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/**
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* '$RCSfile$'
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* Purpose: A Class that handles the SAX XML events as they
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* are generated from XML documents
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Matt Jones, Jivka Bojilova
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* Release: @release@
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*
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* '$Author: tao $'
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* '$Date: 2003-04-09 17:45:21 -0700 (Wed, 09 Apr 2003) $'
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* '$Revision: 1537 $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat;
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import java.sql.*;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.StringReader;
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import java.util.Stack;
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import java.util.Vector;
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import java.util.Hashtable;
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import java.util.Enumeration;
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import java.util.EmptyStackException;
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import org.xml.sax.Attributes;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXParseException;
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import org.xml.sax.ext.DeclHandler;
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import org.xml.sax.ext.LexicalHandler;
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import org.xml.sax.helpers.DefaultHandler;
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/**
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* A database aware Class implementing callback bethods for the SAX parser to
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* call when processing the XML stream and generating events
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*/
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public class EmlSAXHandler extends DBSAXHandler implements
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AccessControlInterface
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{
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private Vector allowRules = new Vector();
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private Vector denyRules = new Vector();
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private String documentId = null;
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private Vector subDocumentIdList = new Vector();
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private boolean processTopLeverAccess = false;
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private boolean processAdditionalAccess = false;
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private boolean processOtherAccess = false;
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private AccessSection accessObject= null;
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private AccessRule accessRule = null;
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private Vector accessObjectList = new Vector(); // store every access rule
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private Hashtable topLevelAccessControlMap = new Hashtable();
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private Hashtable additionalAccessControlMap = new Hashtable();// store
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//subtree access for single
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// additionalmetacat
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private Vector additionalAccessMapList = new Vector();// store maps for
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// every addionalmetadata
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private Vector describesId = new Vector(); // store the ids in
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//additionalmetadata/describes
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private Stack subTreeInfoStack = new Stack();
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private Vector subTreeList = new Vector();// store the final subtree
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private int inLineDataIndex = 1;
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private Hashtable unChangableSubTreeHash = new Hashtable();
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private Stack currentUnChangedableSubtreeNodeStack;
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private boolean startCriticalSubTree = false;
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private boolean firstElementForCriticalSubTree = false;
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private String firstElementNameForCriticalSubTree;
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// Constant
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private static final String EML ="eml";
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private static final String DESCRIBES = "describes";
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private static final String ADDITIONALMETADATA = "additionalMetadata";
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private static final String ORDER = "order";
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private static final String ID ="id";
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private static final String REFERENCES = "references";
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public static final String INLINE = "inline";
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private static final String PERMISSIONERROR ="User try to update a subtree"+
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" which it doesn't have write permission!";
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/** Construct an instance of the handler class
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* In this constructor, user can specify the version need to upadate
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*
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* @param conn the JDBC connection to which information is written
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* @param action - "INSERT" or "UPDATE"
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* @param docid to be inserted or updated into JDBC connection
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* @param revision, the user specified the revision need to be update
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* @param user the user connected to MetaCat servlet and owns the document
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* @param groups the groups to which user belongs
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* @param pub flag for public "read" access on document
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* @param serverCode the serverid from xml_replication on which this document
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* resides.
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*
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*/
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public EmlSAXHandler(DBConnection conn, String action, String docid,
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String revision, String user, String[] groups, String pub, int serverCode)
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throws SAXException
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{
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super(conn, action, docid, revision, user, groups, pub, serverCode);
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// Get the unchangable subtrees (user doesn't have write permission)
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try
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{
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PermissionController control = new PermissionController(docid);
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//unChangableSubTreeHash = getUnchangableSubTree(control, user, groups);
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}
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catch (Exception e)
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{
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throw new SAXException(e.getMessage());
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}
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}
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/* Pass a permission control and get the list of unchangable subtree*/
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private Hashtable getUnchangableSubTree(PermissionController controller,
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String user, String[]groups)
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throws Exception
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{
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Hashtable list = null;
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Hashtable result = new Hashtable();
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// get unwritable sutree from controller
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list = controller.hasUnaccessableSubTree(user, groups,
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AccessControlInterface.WRITESTRING);
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if (list != null)
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{
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Enumeration en = list.elements();
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while (en.hasMoreElements())
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{
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// Get a subtree without node record list
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SubTree treeWithoutStack = (SubTree)en.nextElement();
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String subTreeId = treeWithoutStack.getSubTreeId();
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MetaCatUtil.debugMessage("unchangable subtree id: " + subTreeId, 40);
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long startNodeId = treeWithoutStack.getStartNodeId();
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MetaCatUtil.debugMessage("unchangable subtree startnodeid: " +
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startNodeId, 40);
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long endNodeId = treeWithoutStack.getEndNodeId();
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MetaCatUtil.debugMessage("unchangable subtree endnodeid: " +
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endNodeId, 40);
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// Get a subtree has the nodelist
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SubTree tree = new SubTree(docid, subTreeId, startNodeId, endNodeId);
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// add this tree to the result
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result.put(subTreeId, tree);
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}//while
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}//if
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return result;
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}
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/** SAX Handler that is called at the start of each XML element */
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public void startElement(String uri, String localName,
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String qName, Attributes atts)
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throws SAXException
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{
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// for element <eml:eml...> qname is "eml:eml", local name is "eml"
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// for element <acl....> both qname and local name is "eml"
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// uri is namesapce
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MetaCatUtil.debugMessage("Start ELEMENT(qName) " + qName, 50);
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MetaCatUtil.debugMessage("Start ELEMENT(localName) " + localName, 50);
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MetaCatUtil.debugMessage("Start ELEMENT(uri) " + uri, 50);
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DBSAXNode parentNode = null;
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DBSAXNode currentNode = null;
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// Get a reference to the parent node for the id
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try
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{
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parentNode = (DBSAXNode)nodeStack.peek();
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}
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catch (EmptyStackException e)
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{
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parentNode = null;
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}
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// If hit a text node, we need write this text for current's parent node
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// This will happend if the element is mixted
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if (hitTextNode && parentNode != null)
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{
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//compare text node data
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if (startCriticalSubTree)
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{
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NodeRecord node = null;
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try
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{
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node = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
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}
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catch (EmptyStackException ee)
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{
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MetaCatUtil.debugMessage("Node stack is empty for text data in startElement", 35);
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throw new SAXException(PERMISSIONERROR);
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}
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MetaCatUtil.debugMessage("current node type from xml is TEXT in start element", 40);
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MetaCatUtil.debugMessage("node type from stack: " +
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node.getNodeType(), 40);
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MetaCatUtil.debugMessage("current node data from xml is: " +
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textBuffer.toString(), 40);
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MetaCatUtil.debugMessage("node data from stack: " +
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node.getNodeData(), 40);
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MetaCatUtil.debugMessage("node name from stack: " +
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node.getNodeName(), 40);
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MetaCatUtil.debugMessage("node is: "+ node.getNodeId(), 40);
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if (!node.getNodeType().equals("TEXT") ||
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!(textBuffer.toString()).equals(node.getNodeData()))
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{
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MetaCatUtil.debugMessage("current node type from xml is TEXT in start element", 40);
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MetaCatUtil.debugMessage("node type from stack: " +
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node.getNodeType(), 40);
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MetaCatUtil.debugMessage("current node data from xml is: " +
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textBuffer.toString(), 40);
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MetaCatUtil.debugMessage("node data from stack: " +
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node.getNodeData(), 40);
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MetaCatUtil.debugMessage("node name from stack: " +
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node.getNodeName(), 40);
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MetaCatUtil.debugMessage("node is: "+ node.getNodeId(), 40);
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throw new SAXException(PERMISSIONERROR);
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}//if
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}//if
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// write the textbuffer into db for parent node.
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endNodeId = writeTextForDBSAXNode(textBuffer, parentNode);
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// rest hitTextNode
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hitTextNode =false;
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// reset textbuffer
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textBuffer = null;
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textBuffer = new StringBuffer();
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}
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// Document representation that points to the root document node
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if (atFirstElement)
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{
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atFirstElement = false;
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// If no DOCTYPE declaration: docname = root element
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// doctype = root element name or name space
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if (docname == null)
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{
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docname = localName;
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// if uri isn't null doctype = uri(namespace)
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// othewise root element
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if (uri != null && !(uri.trim()).equals(""))
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{
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doctype = uri;
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}
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else
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{
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doctype = docname;
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}
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MetaCatUtil.debugMessage("DOCNAME-a: " + docname, 30);
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MetaCatUtil.debugMessage("DOCTYPE-a: " + doctype, 30);
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}
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else if (doctype == null)
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{
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// because docname is not null and it is declared in dtd
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// so could not be in schema, no namespace
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doctype = docname;
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MetaCatUtil.debugMessage("DOCTYPE-b: " + doctype, 30);
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}
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rootNode.writeNodename(docname);
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try
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{
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// for validated XML Documents store a reference to XML DB Catalog
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// Because this is select statement and it needn't to roll back if
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// insert document action fialed.
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// In order to decrease DBConnection usage count, we get a new
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// dbconnection from pool
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String catalogid = null;
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DBConnection dbConn = null;
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int serialNumber = -1;
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if ( systemid != null )
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{
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try
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{
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// Get dbconnection
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dbConn=DBConnectionPool.getDBConnection
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("DBSAXHandler.startElement");
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serialNumber=dbConn.getCheckOutSerialNumber();
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Statement stmt = dbConn.createStatement();
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ResultSet rs = stmt.executeQuery(
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"SELECT catalog_id FROM xml_catalog " +
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"WHERE entry_type = 'DTD' " +
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"AND public_id = '" + doctype + "'");
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boolean hasRow = rs.next();
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if ( hasRow ) {
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catalogid = rs.getString(1);
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}
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stmt.close();
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}//try
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finally
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{
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// Return dbconnection
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DBConnectionPool.returnDBConnection(dbConn, serialNumber);
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}//finally
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}
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//create documentImpl object by the constructor which can specify
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//the revision
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currentDocument = new DocumentImpl(connection, rootNode.getNodeID(),
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docname, doctype, docid, revision, action, user,
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this.pub, catalogid, this.serverCode);
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319
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320
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}
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catch (Exception ane)
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{
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throw (new SAXException("Error in DBSaxHandler.startElement " +
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action, ane));
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325
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}
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}
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327
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// Create the current node representation
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currentNode = new DBSAXNode(connection, qName, localName, parentNode,
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currentDocument.getRootNodeID(),docid,
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currentDocument.getDoctype());
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// Use a local variable to store the element node id
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// If this element is a start point of subtree(section), it will be stored
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// otherwise, it will be discated
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long startNodeId = currentNode.getNodeID();
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// Add all of the namespaces
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String prefix;
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String nsuri;
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Enumeration prefixes = namespaces.keys();
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340
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while ( prefixes.hasMoreElements() )
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{
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prefix = (String)prefixes.nextElement();
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nsuri = (String)namespaces.get(prefix);
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endNodeId = currentNode.setNamespace(prefix, nsuri, docid);
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}
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346
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347
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348
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// Add all of the attributes
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for (int i=0; i<atts.getLength(); i++)
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350
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{
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351
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String attributeName = atts.getQName(i);
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String attributeValue = atts.getValue(i);
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endNodeId =
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currentNode.setAttribute(attributeName, attributeValue, docid);
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355
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356
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// To handle name space and schema location if the attribute name is
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357
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// xsi:schemaLocation. If the name space is in not in catalog table
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358
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// it will be regeistered.
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359
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if (attributeName != null &&
|
360
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attributeName.indexOf(MetaCatServlet.SCHEMALOCATIONKEYWORD) != -1)
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361
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{
|
362
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SchemaLocationResolver resolver =
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363
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new SchemaLocationResolver(attributeValue);
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364
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resolver.resolveNameSpace();
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365
|
|
366
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}
|
367
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else if (attributeName !=null && attributeName.equals(ID))
|
368
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{
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369
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|
370
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|
371
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//check unchangedable subtree hash if contains this subtree id
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372
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if (unChangableSubTreeHash.containsKey(attributeValue))
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373
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{
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374
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// this subtree couldn't be changed by the user and move it from hash
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SubTree currentUnChangedableSubtree = (SubTree)
|
376
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unChangableSubTreeHash.remove(attributeValue);
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377
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currentUnChangedableSubtreeNodeStack = currentUnChangedableSubtree.
|
378
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getSubTreeNodeStack();
|
379
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startCriticalSubTree = true;
|
380
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firstElementForCriticalSubTree = true;
|
381
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}
|
382
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|
383
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// handle subtree info
|
384
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SubTree subTress = new SubTree();
|
385
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// set sub tree id
|
386
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subTress.setSubTreeId(attributeValue);
|
387
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// set sub tree sstart lement name
|
388
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subTress.setStartElementName(currentNode.getTagName());
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389
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// set start node number
|
390
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subTress.setStartNodeId(startNodeId);
|
391
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// add to stack, but it didn't get end node id yet
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subTreeInfoStack.push(subTress);
|
393
|
|
394
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}
|
395
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}//for
|
396
|
|
397
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// handle access stuff
|
398
|
if (localName.equals(ACCESS))
|
399
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{
|
400
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// if it is in addtionalmetacat
|
401
|
if (parentNode.getTagName() == ADDITIONALMETADATA)
|
402
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{
|
403
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processAdditionalAccess = true;
|
404
|
|
405
|
}
|
406
|
else
|
407
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{
|
408
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//make sure the access is top level
|
409
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// this mean current node's parent's parent should be "eml"
|
410
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DBSAXNode tmpNode = (DBSAXNode) nodeStack.pop();// pop out parent node
|
411
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//peek out grandParentNode
|
412
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DBSAXNode grandParentNode = (DBSAXNode)nodeStack.peek();
|
413
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// put parent node back
|
414
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nodeStack.push(tmpNode);
|
415
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String grandParentTag = grandParentNode.getTagName();
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416
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if (grandParentTag.equals(EML))
|
417
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{
|
418
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processTopLeverAccess = true;
|
419
|
}
|
420
|
else
|
421
|
{
|
422
|
// process other access embedded into resource level module
|
423
|
processOtherAccess = true;
|
424
|
}
|
425
|
|
426
|
}
|
427
|
// create access object
|
428
|
accessObject = new AccessSection();
|
429
|
// set permission order
|
430
|
String permOrder = currentNode.getAttribute(ORDER);
|
431
|
accessObject.setPermissionOrder(permOrder);
|
432
|
// set access id
|
433
|
String accessId = currentNode.getAttribute(ID);
|
434
|
accessObject.setAccessSectionId(accessId);
|
435
|
accessObject.setAccessSectionStartNodeId(startNodeId);
|
436
|
|
437
|
}
|
438
|
// Set up a access rule for allow
|
439
|
else if (parentNode.getTagName() != null &&
|
440
|
(parentNode.getTagName()).equals(ACCESS) && localName.equals(ALLOW))
|
441
|
{
|
442
|
|
443
|
accessRule = new AccessRule();
|
444
|
|
445
|
//set permission type "allow"
|
446
|
accessRule.setPermissionType(ALLOW);
|
447
|
|
448
|
}
|
449
|
// set up an access rule for den
|
450
|
else if (parentNode.getTagName() != null
|
451
|
&& (parentNode.getTagName()).equals(ACCESS) && localName.equals(DENY))
|
452
|
{
|
453
|
accessRule = new AccessRule();
|
454
|
//set permission type "allow"
|
455
|
accessRule.setPermissionType(DENY);
|
456
|
}
|
457
|
|
458
|
// Add the node to the stack, so that any text data can be
|
459
|
// added as it is encountered
|
460
|
nodeStack.push(currentNode);
|
461
|
// Add the node to the vector used by thread for writing XML Index
|
462
|
nodeIndex.addElement(currentNode);
|
463
|
|
464
|
// handle critical subtree
|
465
|
if (startCriticalSubTree && firstElementForCriticalSubTree)
|
466
|
{
|
467
|
//store the element name
|
468
|
firstElementNameForCriticalSubTree = qName;
|
469
|
firstElementForCriticalSubTree = false;
|
470
|
}//for first element
|
471
|
// handle critical subtree
|
472
|
if (startCriticalSubTree)
|
473
|
{
|
474
|
//Get element subtree node stack (element node)
|
475
|
NodeRecord elementNode = null;
|
476
|
try
|
477
|
{
|
478
|
elementNode= (NodeRecord) currentUnChangedableSubtreeNodeStack.pop();
|
479
|
}
|
480
|
catch (EmptyStackException ee)
|
481
|
{
|
482
|
MetaCatUtil.debugMessage("Node stack is empty for element data", 35);
|
483
|
throw new SAXException(PERMISSIONERROR);
|
484
|
}
|
485
|
MetaCatUtil.debugMessage("current node type from xml is ELEMENT", 40);
|
486
|
MetaCatUtil.debugMessage("node type from stack: " +
|
487
|
elementNode.getNodeType(), 40);
|
488
|
MetaCatUtil.debugMessage("node name from xml document: " +
|
489
|
localName, 40);
|
490
|
MetaCatUtil.debugMessage("node name from stack: " +
|
491
|
elementNode.getNodeName(), 40);
|
492
|
MetaCatUtil.debugMessage("node data from stack: " +
|
493
|
elementNode.getNodeData(), 40);
|
494
|
MetaCatUtil.debugMessage("node is: "+ elementNode.getNodeId(), 40);
|
495
|
// if this node is not element or local name not equal or name space not
|
496
|
// equals, throw an exception
|
497
|
if (!elementNode.getNodeType().equals("ELEMENT") ||
|
498
|
!localName.equals(elementNode.getNodeName()))
|
499
|
// (uri != null && !uri.equals(elementNode.getNodePrefix())))
|
500
|
{
|
501
|
MetaCatUtil.debugMessage("current node type from xml is ELEMENT", 40);
|
502
|
MetaCatUtil.debugMessage("node type from stack: " +
|
503
|
elementNode.getNodeType(), 40);
|
504
|
MetaCatUtil.debugMessage("node name from xml document: " +
|
505
|
localName, 40);
|
506
|
MetaCatUtil.debugMessage("node name from stack: " +
|
507
|
elementNode.getNodeName(), 40);
|
508
|
MetaCatUtil.debugMessage("node data from stack: " +
|
509
|
elementNode.getNodeData(), 40);
|
510
|
MetaCatUtil.debugMessage("node is: "+ elementNode.getNodeId(), 40);
|
511
|
throw new SAXException(PERMISSIONERROR);
|
512
|
}
|
513
|
|
514
|
//compare namespace
|
515
|
Enumeration nameEn = namespaces.keys();
|
516
|
while ( nameEn.hasMoreElements() )
|
517
|
{
|
518
|
//Get namespacke node stack (element node)
|
519
|
NodeRecord nameNode = null;
|
520
|
try
|
521
|
{
|
522
|
nameNode = (NodeRecord) currentUnChangedableSubtreeNodeStack.pop();
|
523
|
}
|
524
|
catch (EmptyStackException ee)
|
525
|
{
|
526
|
MetaCatUtil.debugMessage("Node stack is empty for namespace data", 35);
|
527
|
throw new SAXException(PERMISSIONERROR);
|
528
|
}
|
529
|
|
530
|
String prefixName = (String)nameEn.nextElement();
|
531
|
String nameSpaceUri = (String)namespaces.get(prefixName);
|
532
|
if (!nameNode.getNodeType().equals("NAMESPACE") ||
|
533
|
!prefixName.equals(nameNode.getNodeName()) ||
|
534
|
!nameSpaceUri.equals(nameNode.getNodeData()))
|
535
|
{
|
536
|
MetaCatUtil.debugMessage("current node type from xml is NAMESPACE", 40);
|
537
|
MetaCatUtil.debugMessage("node type from stack: " +
|
538
|
nameNode.getNodeType(), 40);
|
539
|
MetaCatUtil.debugMessage("current node name from xml is: " +
|
540
|
prefixName, 40);
|
541
|
MetaCatUtil.debugMessage("node name from stack: " +
|
542
|
nameNode.getNodeName(), 40);
|
543
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
544
|
nameSpaceUri, 40);
|
545
|
MetaCatUtil.debugMessage("node data from stack: " +
|
546
|
nameNode.getNodeData(), 40);
|
547
|
MetaCatUtil.debugMessage("node is: "+ nameNode.getNodeId(), 40);
|
548
|
throw new SAXException(PERMISSIONERROR);
|
549
|
}
|
550
|
|
551
|
}//while
|
552
|
|
553
|
//compare attributes
|
554
|
for (int i=0; i<atts.getLength(); i++)
|
555
|
{
|
556
|
NodeRecord attriNode = null;
|
557
|
try
|
558
|
{
|
559
|
attriNode = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
|
560
|
|
561
|
}
|
562
|
catch (EmptyStackException ee)
|
563
|
{
|
564
|
MetaCatUtil.debugMessage("Node stack is empty for attribute data", 35);
|
565
|
throw new SAXException(PERMISSIONERROR);
|
566
|
}
|
567
|
String attributeName = atts.getQName(i);
|
568
|
String attributeValue = atts.getValue(i);
|
569
|
MetaCatUtil.debugMessage("current node type from xml is ATTRIBUTE ", 40);
|
570
|
MetaCatUtil.debugMessage("node type from stack: " +
|
571
|
attriNode.getNodeType(), 40);
|
572
|
MetaCatUtil.debugMessage("current node name from xml is: " +
|
573
|
attributeName, 40);
|
574
|
MetaCatUtil.debugMessage("node name from stack: " +
|
575
|
attriNode.getNodeName(), 40);
|
576
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
577
|
attributeValue, 40);
|
578
|
MetaCatUtil.debugMessage("node data from stack: " +
|
579
|
attriNode.getNodeData(), 40);
|
580
|
MetaCatUtil.debugMessage("node is: "+ attriNode.getNodeId(), 40);
|
581
|
|
582
|
if (!attriNode.getNodeType().equals("ATTRIBUTE") ||
|
583
|
!attributeName.equals(attriNode.getNodeName()) ||
|
584
|
!attributeValue.equals(attriNode.getNodeData()))
|
585
|
{
|
586
|
MetaCatUtil.debugMessage("current node type from xml is ATTRIBUTE ", 40);
|
587
|
MetaCatUtil.debugMessage("node type from stack: " +
|
588
|
attriNode.getNodeType(), 40);
|
589
|
MetaCatUtil.debugMessage("current node name from xml is: " +
|
590
|
attributeName, 40);
|
591
|
MetaCatUtil.debugMessage("node name from stack: " +
|
592
|
attriNode.getNodeName(), 40);
|
593
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
594
|
attributeValue, 40);
|
595
|
MetaCatUtil.debugMessage("node data from stack: " +
|
596
|
attriNode.getNodeData(), 40);
|
597
|
MetaCatUtil.debugMessage("node is: "+ attriNode.getNodeId(), 40);
|
598
|
throw new SAXException(PERMISSIONERROR);
|
599
|
}
|
600
|
}//for
|
601
|
|
602
|
}
|
603
|
// reset name space
|
604
|
namespaces = null;
|
605
|
namespaces = new Hashtable();
|
606
|
}
|
607
|
|
608
|
|
609
|
/** SAX Handler that is called at the end of each XML element */
|
610
|
public void endElement(String uri, String localName,
|
611
|
String qName) throws SAXException
|
612
|
{
|
613
|
MetaCatUtil.debugMessage("End ELEMENT " + qName, 50);
|
614
|
|
615
|
// Get the node from the stack
|
616
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.pop();
|
617
|
String currentTag = currentNode.getTagName();
|
618
|
|
619
|
// If before the end element, the parser hit text nodes and store them
|
620
|
// into the buffer, write the buffer to data base. The reason we put
|
621
|
// write database here is for xerces some time split text node
|
622
|
if (hitTextNode)
|
623
|
{
|
624
|
// get access value
|
625
|
String data = null;
|
626
|
// add principal
|
627
|
if (currentTag.equals(PRINCIPAL) && accessRule != null)
|
628
|
{
|
629
|
data = (textBuffer.toString()).trim();
|
630
|
accessRule.addPrincipal(data);
|
631
|
|
632
|
}
|
633
|
else if (currentTag.equals(PERMISSION) && accessRule != null)
|
634
|
{
|
635
|
data = (textBuffer.toString()).trim();
|
636
|
// we conbine different a permission into one value
|
637
|
int permission = accessRule.getPermission();
|
638
|
// add permision
|
639
|
if ( data.toUpperCase().equals(READSTRING) )
|
640
|
{
|
641
|
permission = permission | READ;
|
642
|
}
|
643
|
else if ( data.toUpperCase().equals(WRITESTRING) )
|
644
|
{
|
645
|
permission = permission | WRITE;
|
646
|
}
|
647
|
else if ( data.toUpperCase().equals(CHMODSTRING))
|
648
|
{
|
649
|
permission = permission | CHMOD;
|
650
|
}
|
651
|
else if ( data.toUpperCase().equals(ALLSTRING) )
|
652
|
{
|
653
|
permission = permission | ALL;
|
654
|
}
|
655
|
accessRule.setPermission(permission);
|
656
|
}
|
657
|
// put additionalmetadata/describes into vector
|
658
|
else if (currentTag.equals(DESCRIBES))
|
659
|
{
|
660
|
data = (textBuffer.toString()).trim();
|
661
|
describesId.add(data);
|
662
|
}
|
663
|
else if (currentTag.equals(REFERENCES) &&
|
664
|
(processTopLeverAccess ||
|
665
|
processAdditionalAccess || processOtherAccess))
|
666
|
{
|
667
|
// get reference
|
668
|
data = (textBuffer.toString()).trim();
|
669
|
// put reference id into accessSection
|
670
|
accessObject.setReferences(data);
|
671
|
|
672
|
}
|
673
|
// write text to db if it is not inline data
|
674
|
if (!localName.equals(INLINE))
|
675
|
{
|
676
|
MetaCatUtil.debugMessage("Write text into DB in End Element", 50);
|
677
|
//compare whitespace if need
|
678
|
if (startCriticalSubTree)
|
679
|
{
|
680
|
NodeRecord node = null;
|
681
|
try
|
682
|
{
|
683
|
node = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
|
684
|
}
|
685
|
catch (EmptyStackException ee)
|
686
|
{
|
687
|
MetaCatUtil.debugMessage("the stack is empty for text data", 32);
|
688
|
throw new SAXException(PERMISSIONERROR);
|
689
|
}
|
690
|
MetaCatUtil.debugMessage("current node type from xml is TEXT in endElement", 40);
|
691
|
MetaCatUtil.debugMessage("node type from stack: " +
|
692
|
node.getNodeType(), 40);
|
693
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
694
|
textBuffer.toString(), 40);
|
695
|
MetaCatUtil.debugMessage("node data from stack: " +
|
696
|
node.getNodeData(), 40);
|
697
|
MetaCatUtil.debugMessage("node name from stack: " +
|
698
|
node.getNodeName(), 40);
|
699
|
MetaCatUtil.debugMessage("node is from stack: " +
|
700
|
node.getNodeId(), 40);
|
701
|
if (!node.getNodeType().equals("TEXT") ||
|
702
|
!(textBuffer.toString()).equals(node.getNodeData()))
|
703
|
{
|
704
|
MetaCatUtil.debugMessage("current node type from xml is TEXT in endElement", 40);
|
705
|
MetaCatUtil.debugMessage("node type from stack: " +
|
706
|
node.getNodeType(), 40);
|
707
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
708
|
textBuffer.toString(), 40);
|
709
|
MetaCatUtil.debugMessage("node data from stack: " +
|
710
|
node.getNodeData(), 40);
|
711
|
MetaCatUtil.debugMessage("node name from stack: " +
|
712
|
node.getNodeName(), 40);
|
713
|
MetaCatUtil.debugMessage("node is from stack: " +
|
714
|
node.getNodeId(), 40);
|
715
|
throw new SAXException(PERMISSIONERROR);
|
716
|
}//if
|
717
|
}//if
|
718
|
endNodeId = writeTextForDBSAXNode(textBuffer, currentNode);
|
719
|
}
|
720
|
else
|
721
|
{
|
722
|
MetaCatUtil.debugMessage("Write inline data into file system", 35);
|
723
|
|
724
|
//check if user changed inine data or not if user doesn't have
|
725
|
// write permission
|
726
|
if (startCriticalSubTree)
|
727
|
{
|
728
|
NodeRecord node = null;
|
729
|
String inlineData;
|
730
|
try
|
731
|
{
|
732
|
node = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
|
733
|
// get file name from db
|
734
|
String fileName = node.getNodeData();
|
735
|
MetaCatUtil.debugMessage("in handle inline data", 35);
|
736
|
MetaCatUtil.debugMessage("the inline data file name from node is: "+
|
737
|
fileName, 40);
|
738
|
inlineData = readInlineDataFromFileSystem(fileName);
|
739
|
}
|
740
|
catch (EmptyStackException ee)
|
741
|
{
|
742
|
MetaCatUtil.debugMessage("the stack is empty for text data", 32);
|
743
|
throw new SAXException(PERMISSIONERROR);
|
744
|
}
|
745
|
catch (McdbException eee)
|
746
|
{
|
747
|
throw new SAXException(eee.getMessage());
|
748
|
}
|
749
|
|
750
|
if (!(textBuffer.toString()).equals(inlineData))
|
751
|
{
|
752
|
MetaCatUtil.debugMessage("inline data was changed by a user" +
|
753
|
" who doesn't have permission", 30);
|
754
|
throw new SAXException(PERMISSIONERROR);
|
755
|
}//if
|
756
|
}//if
|
757
|
// write inline data into file system and return file name
|
758
|
textBuffer = writeInlineDataIntoFile(textBuffer);
|
759
|
// write file name into db
|
760
|
endNodeId = writeTextForDBSAXNode(textBuffer, currentNode);
|
761
|
}
|
762
|
}//if
|
763
|
|
764
|
//end crtical subtree(user doesn't have permission to write)
|
765
|
//When reach the first element and stack is empty
|
766
|
if (localName.equals(firstElementNameForCriticalSubTree) &&
|
767
|
currentUnChangedableSubtreeNodeStack.isEmpty())
|
768
|
{
|
769
|
startCriticalSubTree = false;
|
770
|
}
|
771
|
|
772
|
|
773
|
//set hitText false
|
774
|
hitTextNode = false;
|
775
|
// reset textbuff
|
776
|
textBuffer = null;
|
777
|
textBuffer = new StringBuffer();
|
778
|
|
779
|
// hand sub stree stuff
|
780
|
if (!subTreeInfoStack.empty())
|
781
|
{
|
782
|
SubTree tree = (SubTree)subTreeInfoStack.peek();// get last subtree
|
783
|
if (tree != null && tree.getStartElementName() != null &&
|
784
|
(tree.getStartElementName()).equals(currentTag))
|
785
|
{
|
786
|
// find the end of sub tree and set the end node id
|
787
|
tree.setEndNodeId(endNodeId);
|
788
|
// add the subtree into the final store palace
|
789
|
subTreeList.add(tree);
|
790
|
// get rid of it from stack
|
791
|
subTreeInfoStack.pop();
|
792
|
}//if
|
793
|
}//if
|
794
|
|
795
|
// access stuff
|
796
|
if (currentTag.equals(ALLOW) || currentTag.equals(DENY))
|
797
|
{
|
798
|
// finish parser a ccess rule and assign it to new one
|
799
|
AccessRule newRule = accessRule;
|
800
|
//add the new rule to access section object
|
801
|
accessObject.addAccessRule(newRule);
|
802
|
// reset access rule
|
803
|
accessRule = null;
|
804
|
}
|
805
|
else if (currentTag.equals(ACCESS))
|
806
|
{
|
807
|
// finish parse a access setction and assign it to new one
|
808
|
accessObject.setAccessSectionEndNodeId(endNodeId);
|
809
|
AccessSection newAccessObject = accessObject;
|
810
|
if (newAccessObject != null)
|
811
|
{
|
812
|
// add the accessSection into a vector to store it
|
813
|
// if it is not a reference, need to store it
|
814
|
if ( newAccessObject.getReferences() == null)
|
815
|
{
|
816
|
accessObjectList.add(newAccessObject);
|
817
|
}
|
818
|
if (processTopLeverAccess)
|
819
|
{
|
820
|
// top level access control will handle whole document -docid
|
821
|
topLevelAccessControlMap.put(docid, newAccessObject);
|
822
|
// reset processtopleveraccess tag
|
823
|
|
824
|
}//if
|
825
|
else if (processAdditionalAccess)
|
826
|
{
|
827
|
// for additional control
|
828
|
// put everything in describes value and access object into hash
|
829
|
|
830
|
for ( int i=0; i<describesId.size(); i++)
|
831
|
{
|
832
|
|
833
|
String subId = (String)describesId.elementAt(i);
|
834
|
if (subId != null)
|
835
|
{
|
836
|
additionalAccessControlMap.put(subId, newAccessObject);
|
837
|
}//if
|
838
|
}//for
|
839
|
// add this hashtable in to vector
|
840
|
|
841
|
additionalAccessMapList.add(additionalAccessControlMap);
|
842
|
// reset this hashtable in order to store another additional
|
843
|
//accesscontrol
|
844
|
additionalAccessControlMap = null;
|
845
|
additionalAccessControlMap = new Hashtable();
|
846
|
}//if
|
847
|
}//if
|
848
|
//reset access section object
|
849
|
accessObject = null;
|
850
|
// reset flag
|
851
|
processAdditionalAccess =false;
|
852
|
processTopLeverAccess =false;
|
853
|
processOtherAccess = false;
|
854
|
}
|
855
|
else if (currentTag.equals(ADDITIONALMETADATA))
|
856
|
{
|
857
|
//reset describesId
|
858
|
describesId = null;
|
859
|
describesId = new Vector();
|
860
|
}
|
861
|
}
|
862
|
|
863
|
/**
|
864
|
* SAX Handler that receives notification of comments in the DTD
|
865
|
*/
|
866
|
public void comment(char[] ch, int start, int length) throws SAXException {
|
867
|
MetaCatUtil.debugMessage("COMMENT", 50);
|
868
|
if ( !processingDTD )
|
869
|
{
|
870
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
871
|
String str = new String(ch, start, length);
|
872
|
|
873
|
//compare comment if need
|
874
|
if (startCriticalSubTree)
|
875
|
{
|
876
|
NodeRecord node = null;
|
877
|
try
|
878
|
{
|
879
|
node = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
|
880
|
}
|
881
|
catch (EmptyStackException ee)
|
882
|
{
|
883
|
MetaCatUtil.debugMessage("the stack is empty for comment data", 32);
|
884
|
throw new SAXException(PERMISSIONERROR);
|
885
|
}
|
886
|
MetaCatUtil.debugMessage("current node type from xml is COMMENT", 40);
|
887
|
MetaCatUtil.debugMessage("node type from stack: " +
|
888
|
node.getNodeType(), 40);
|
889
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
890
|
str, 40);
|
891
|
MetaCatUtil.debugMessage("node data from stack: " +
|
892
|
node.getNodeData(), 40);
|
893
|
MetaCatUtil.debugMessage("node is from stack: " +
|
894
|
node.getNodeId(), 40);
|
895
|
if (!node.getNodeType().equals("COMMENT") ||
|
896
|
!str.equals(node.getNodeData()))
|
897
|
{
|
898
|
MetaCatUtil.debugMessage("current node type from xml is COMMENT", 40);
|
899
|
MetaCatUtil.debugMessage("node type from stack: " +
|
900
|
node.getNodeType(), 40);
|
901
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
902
|
str, 40);
|
903
|
MetaCatUtil.debugMessage("node data from stack: " +
|
904
|
node.getNodeData(), 40);
|
905
|
MetaCatUtil.debugMessage("node is from stack: " +
|
906
|
node.getNodeId(), 40);
|
907
|
throw new SAXException(PERMISSIONERROR);
|
908
|
}//if
|
909
|
}//if
|
910
|
|
911
|
endNodeId = currentNode.writeChildNodeToDB("COMMENT", null, str, docid);
|
912
|
}
|
913
|
}
|
914
|
|
915
|
/**
|
916
|
* SAX Handler that is called for each XML text node that is
|
917
|
* Ignorable white space
|
918
|
*/
|
919
|
public void ignorableWhitespace(char[] cbuf, int start, int len)
|
920
|
throws SAXException
|
921
|
{
|
922
|
// When validation is turned "on", white spaces are reported here
|
923
|
// When validation is turned "off" white spaces are not reported here,
|
924
|
// but through characters() callback
|
925
|
MetaCatUtil.debugMessage("IGNORABLEWHITESPACE", 50);
|
926
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
927
|
String data = null;
|
928
|
int leftover = len;
|
929
|
int offset = start;
|
930
|
boolean moredata = true;
|
931
|
|
932
|
// This loop deals with the case where there are more characters
|
933
|
// than can fit in a single database text field (limit is
|
934
|
// MAXDATACHARS). If the text to be inserted exceeds MAXDATACHARS,
|
935
|
// write a series of nodes that are MAXDATACHARS long, and then the
|
936
|
// final node contains the remainder
|
937
|
while (moredata)
|
938
|
{
|
939
|
if (leftover > MAXDATACHARS)
|
940
|
{
|
941
|
data = new String(cbuf, offset, MAXDATACHARS);
|
942
|
leftover -= MAXDATACHARS;
|
943
|
offset += MAXDATACHARS;
|
944
|
}
|
945
|
else
|
946
|
{
|
947
|
data = new String(cbuf, offset, leftover);
|
948
|
moredata = false;
|
949
|
}
|
950
|
|
951
|
//compare whitespace if need
|
952
|
if (startCriticalSubTree)
|
953
|
{
|
954
|
NodeRecord node = null;
|
955
|
try
|
956
|
{
|
957
|
node = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
|
958
|
}
|
959
|
catch (EmptyStackException ee)
|
960
|
{
|
961
|
MetaCatUtil.debugMessage("the stack is empty for whitespace data", 32);
|
962
|
throw new SAXException(PERMISSIONERROR);
|
963
|
}
|
964
|
if (!node.getNodeType().equals("TEXT") ||
|
965
|
!data.equals(node.getNodeData()))
|
966
|
{
|
967
|
MetaCatUtil.debugMessage("current node type from xml is WHITESPACE TEXT", 40);
|
968
|
MetaCatUtil.debugMessage("node type from stack: " +
|
969
|
node.getNodeType(), 40);
|
970
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
971
|
data, 40);
|
972
|
MetaCatUtil.debugMessage("node data from stack: " +
|
973
|
node.getNodeData(), 40);
|
974
|
MetaCatUtil.debugMessage("node is from stack: " +
|
975
|
node.getNodeId(), 40);
|
976
|
throw new SAXException(PERMISSIONERROR);
|
977
|
}//if
|
978
|
}//if
|
979
|
// Write the content of the node to the database
|
980
|
endNodeId = currentNode.writeChildNodeToDB("TEXT", null, data, docid);
|
981
|
}
|
982
|
|
983
|
|
984
|
|
985
|
}
|
986
|
|
987
|
/** SAX Handler that receives notification of end of the document */
|
988
|
public void endDocument() throws SAXException
|
989
|
{
|
990
|
MetaCatUtil.debugMessage("end Document", 50);
|
991
|
// There are some unchangable subtree didn't be compare
|
992
|
// This maybe cause user change the subtree id
|
993
|
if (!unChangableSubTreeHash.isEmpty())
|
994
|
{
|
995
|
MetaCatUtil.debugMessage("The unChangealbe subtree is not empty", 40);
|
996
|
throw new SAXException(PERMISSIONERROR);
|
997
|
}
|
998
|
|
999
|
// write access rule to db
|
1000
|
writeAccessRuleToDB();
|
1001
|
|
1002
|
// Starting new thread for writing XML Index.
|
1003
|
// It calls the run method of the thread.
|
1004
|
try
|
1005
|
{
|
1006
|
xmlIndex.start();
|
1007
|
}
|
1008
|
catch (NullPointerException e)
|
1009
|
{
|
1010
|
xmlIndex = null;
|
1011
|
throw new
|
1012
|
SAXException("Problem with starting thread for writing XML Index. " +
|
1013
|
e.getMessage());
|
1014
|
}
|
1015
|
|
1016
|
}
|
1017
|
|
1018
|
/* The method to write all access rule intodb */
|
1019
|
private void writeAccessRuleToDB() throws SAXException
|
1020
|
{
|
1021
|
//Delete old permssion
|
1022
|
deletePermissionsInAccessTable(docid);
|
1023
|
//write top leve access rule
|
1024
|
writeTopLevelAccessRuleToDB();
|
1025
|
//write additional access rule
|
1026
|
//writeAddtionalAccessRuleToDB();
|
1027
|
}//writeAccessRuleToDB
|
1028
|
|
1029
|
/* The method to write top level access rule into db. */
|
1030
|
private void writeTopLevelAccessRuleToDB() throws SAXException
|
1031
|
{
|
1032
|
|
1033
|
// for top document level
|
1034
|
Object accessSection = topLevelAccessControlMap.get(docid);
|
1035
|
boolean top = true;
|
1036
|
String subSectionId = null;
|
1037
|
if ( accessSection != null )
|
1038
|
{
|
1039
|
AccessSection accessSectionObj = (AccessSection)accessSection;
|
1040
|
// if accessSection is not null and is not reference
|
1041
|
if ( accessSectionObj.getReferences() == null)
|
1042
|
{
|
1043
|
writeGivenAccessRuleIntoDB(accessSectionObj, top, subSectionId);
|
1044
|
}
|
1045
|
else
|
1046
|
{
|
1047
|
|
1048
|
// this is a reference and go trough the vector which contains all
|
1049
|
// access object
|
1050
|
String referenceId = accessSectionObj.getReferences();
|
1051
|
boolean findAccessObject = false;
|
1052
|
MetaCatUtil.debugMessage("referered id for top access: "+
|
1053
|
referenceId, 35);
|
1054
|
for (int i=0; i<accessObjectList.size(); i++)
|
1055
|
{
|
1056
|
AccessSection accessObj = (AccessSection)accessObjectList.elementAt(i);
|
1057
|
String accessObjId = accessObj.getAccessSectionId();
|
1058
|
if (referenceId != null && accessObj != null &&
|
1059
|
referenceId.equals(accessObjId))
|
1060
|
{
|
1061
|
writeGivenAccessRuleIntoDB(accessObj, top, subSectionId);
|
1062
|
findAccessObject = true;
|
1063
|
}
|
1064
|
}//for
|
1065
|
// if we couldn't find an access subtree id for this reference id
|
1066
|
if (!findAccessObject)
|
1067
|
{
|
1068
|
throw new SAXException("The referenceid: " + referenceId +
|
1069
|
" is not access subtree");
|
1070
|
}//if
|
1071
|
}//else
|
1072
|
|
1073
|
}//if
|
1074
|
else
|
1075
|
{
|
1076
|
// couldn't find a access section object
|
1077
|
MetaCatUtil.debugMessage("couldn't find access control for document: "+
|
1078
|
docid, 35);
|
1079
|
}
|
1080
|
|
1081
|
}//writeTopLevelAccessRuletoDB
|
1082
|
|
1083
|
/* The method to write addtional access rule into db. */
|
1084
|
private void writeAddtionalAccessRuleToDB() throws SAXException
|
1085
|
{
|
1086
|
|
1087
|
PreparedStatement pstmt = null;
|
1088
|
boolean topLevel =false;
|
1089
|
// go through the vector which contains the additional access control
|
1090
|
//hashtable. Each hashtable has info for one additonalmetadata container
|
1091
|
for (int j= 0; j < additionalAccessMapList.size(); j++)
|
1092
|
{
|
1093
|
|
1094
|
Hashtable accessControlMap =
|
1095
|
(Hashtable)additionalAccessMapList.elementAt(j);
|
1096
|
// additional access rule
|
1097
|
Enumeration en = accessControlMap.keys();
|
1098
|
|
1099
|
while(en.hasMoreElements())
|
1100
|
{
|
1101
|
try
|
1102
|
{
|
1103
|
// Get subsection id
|
1104
|
String subSectionId = (String)en.nextElement();
|
1105
|
MetaCatUtil.debugMessage("sub section id in additional access mapping"
|
1106
|
+"(go through): "+ subSectionId, 35);
|
1107
|
|
1108
|
if (subSectionId == null)
|
1109
|
{
|
1110
|
// if id is null, terminate the program
|
1111
|
throw new SAXException("subtree id is null");
|
1112
|
}
|
1113
|
// Get AccessSection Object
|
1114
|
Object accessSectionObj = accessControlMap.get(subSectionId);
|
1115
|
if (accessSectionObj == null)
|
1116
|
{
|
1117
|
// if accesssection is null, terminate the program
|
1118
|
throw new SAXException("access subtree is null");
|
1119
|
}
|
1120
|
else
|
1121
|
{
|
1122
|
AccessSection accessControlObj = (AccessSection)accessSectionObj;
|
1123
|
// if the access section is not references, write it to db
|
1124
|
if (accessControlObj.getReferences() == null)
|
1125
|
{
|
1126
|
writeGivenAccessRuleIntoDB(accessControlObj, topLevel,
|
1127
|
subSectionId);
|
1128
|
}
|
1129
|
else
|
1130
|
{
|
1131
|
// this is a reference and go trough the vector which contains all
|
1132
|
// access object
|
1133
|
String referenceId = accessControlObj.getReferences();
|
1134
|
|
1135
|
boolean findAccessObject = false;
|
1136
|
MetaCatUtil.debugMessage("referered id for additional access "+
|
1137
|
"mapping(go through): "+ referenceId, 35);
|
1138
|
for (int i=0; i<accessObjectList.size(); i++)
|
1139
|
{
|
1140
|
AccessSection accessObj =
|
1141
|
(AccessSection)accessObjectList.elementAt(i);
|
1142
|
String accessObjId = accessObj.getAccessSectionId();
|
1143
|
MetaCatUtil.debugMessage("access obj id in the list(go through): "
|
1144
|
+ accessObjId, 35);
|
1145
|
if (referenceId != null && accessObj != null &&
|
1146
|
referenceId.equals(accessObjId))
|
1147
|
{
|
1148
|
writeGivenAccessRuleIntoDB(accessObj, topLevel, subSectionId);
|
1149
|
findAccessObject = true;
|
1150
|
}//if
|
1151
|
}//for
|
1152
|
// if we couldn't find an access subtree id for this reference id
|
1153
|
if (!findAccessObject)
|
1154
|
{
|
1155
|
throw new SAXException("The referenceid: " + referenceId +
|
1156
|
" is not access subtree");
|
1157
|
}//if
|
1158
|
}//else
|
1159
|
}//else
|
1160
|
}//try
|
1161
|
catch (Exception e)
|
1162
|
{
|
1163
|
|
1164
|
MetaCatUtil.debugMessage("error in EmlSAXHandler.writeAddtionalAccess"
|
1165
|
+ ": "+e.getMessage(), 30);
|
1166
|
throw new SAXException(e.getMessage());
|
1167
|
}
|
1168
|
}//while
|
1169
|
}//for
|
1170
|
}//writeAccessRuletoDB
|
1171
|
|
1172
|
/* Write a gaven access rule into db*/
|
1173
|
private void writeGivenAccessRuleIntoDB(AccessSection accessSection,
|
1174
|
boolean topLevel, String subSectionId)
|
1175
|
throws SAXException
|
1176
|
{
|
1177
|
if (accessSection == null)
|
1178
|
{
|
1179
|
throw new SAXException("The access object is null");
|
1180
|
}
|
1181
|
|
1182
|
String permOrder = accessSection.getPermissionOrder();
|
1183
|
String sql = null;
|
1184
|
PreparedStatement pstmt = null;
|
1185
|
if (topLevel)
|
1186
|
{
|
1187
|
sql = "INSERT INTO xml_access (docid, principal_name, permission, "+
|
1188
|
"perm_type, perm_order, accessfileid) VALUES " +
|
1189
|
" (?, ?, ?, ?, ?, ?)";
|
1190
|
}
|
1191
|
else
|
1192
|
{
|
1193
|
sql ="INSERT INTO xml_access (docid,principal_name, "+
|
1194
|
"permission, perm_type, perm_order, accessfileid, subtreeid, "+
|
1195
|
" startnodeid, endnodeid) VALUES" +
|
1196
|
" (?, ?, ?, ?, ?, ?, ?, ?, ?)";
|
1197
|
}
|
1198
|
try
|
1199
|
{
|
1200
|
|
1201
|
pstmt = connection.prepareStatement(sql);
|
1202
|
// Increase DBConnection usage count
|
1203
|
connection.increaseUsageCount(1);
|
1204
|
// Bind the values to the query
|
1205
|
pstmt.setString(1, docid);
|
1206
|
MetaCatUtil.debugMessage("Docid in accesstable: "+ docid, 35);
|
1207
|
pstmt.setString(6, docid);
|
1208
|
MetaCatUtil.debugMessage("Accessfileid in accesstable: "+ docid, 35);
|
1209
|
pstmt.setString(5, permOrder);
|
1210
|
MetaCatUtil.debugMessage("PermOder in accesstable: "+ permOrder, 35);
|
1211
|
// if it is not top level, set subsection id
|
1212
|
if (!topLevel)
|
1213
|
{
|
1214
|
long startNodeId = 0;
|
1215
|
long endNodeId = 0;
|
1216
|
// for subtree should specify the
|
1217
|
if (subSectionId == null)
|
1218
|
{
|
1219
|
throw new SAXException("The subsection is null");
|
1220
|
}
|
1221
|
// go through the substree list vector and found the start node id
|
1222
|
// and stop node id for this subtree id
|
1223
|
for (int i=0; i<subTreeList.size(); i++)
|
1224
|
{
|
1225
|
SubTree tree = (SubTree)subTreeList.elementAt(i);
|
1226
|
String subTreeId = tree.getSubTreeId();
|
1227
|
if (subSectionId.equals(subTreeId))
|
1228
|
{
|
1229
|
startNodeId = tree.getStartNodeId();
|
1230
|
endNodeId = tree.getEndNodeId();
|
1231
|
}//if
|
1232
|
}//for
|
1233
|
if (startNodeId == 0 || endNodeId == 0)
|
1234
|
{
|
1235
|
throw new SAXException("Could find the subtree"
|
1236
|
+ "for this id: "+subSectionId);
|
1237
|
}
|
1238
|
pstmt.setString(7, subSectionId);
|
1239
|
MetaCatUtil.debugMessage("SubSectionId in accesstable: "+
|
1240
|
subSectionId, 35);
|
1241
|
pstmt.setLong(8, startNodeId);
|
1242
|
MetaCatUtil.debugMessage("Start node id is: " + startNodeId, 35);
|
1243
|
pstmt.setLong(9, endNodeId);
|
1244
|
MetaCatUtil.debugMessage("End node id is: " + endNodeId, 35);
|
1245
|
|
1246
|
}
|
1247
|
|
1248
|
Vector accessRules = accessSection.getAccessRules();
|
1249
|
// go through every rule
|
1250
|
for (int i=0; i<accessRules.size(); i++)
|
1251
|
{
|
1252
|
AccessRule rule = (AccessRule)accessRules.elementAt(i);
|
1253
|
String permType = rule.getPermissionType();
|
1254
|
int permission = rule.getPermission();
|
1255
|
pstmt.setInt(3, permission);
|
1256
|
MetaCatUtil.debugMessage("permission in accesstable: "+ permission, 35);
|
1257
|
pstmt.setString(4, permType);
|
1258
|
MetaCatUtil.debugMessage("Permtype in accesstable: "+ permType, 35);
|
1259
|
// go through every principle in rule
|
1260
|
Vector nameVector = rule.getPrincipal();
|
1261
|
for ( int j = 0; j < nameVector.size(); j++ )
|
1262
|
{
|
1263
|
String prName = (String)nameVector.elementAt(j);
|
1264
|
pstmt.setString(2, prName);
|
1265
|
MetaCatUtil.debugMessage("Principal in accesstable: "+prName, 35);
|
1266
|
pstmt.execute();
|
1267
|
}//for
|
1268
|
}//for
|
1269
|
pstmt.close();
|
1270
|
}//try
|
1271
|
catch (SQLException e)
|
1272
|
{
|
1273
|
throw new
|
1274
|
SAXException("EMLSAXHandler.writeAccessRuletoDB(): " + e.getMessage());
|
1275
|
}//catch
|
1276
|
finally
|
1277
|
{
|
1278
|
try
|
1279
|
{
|
1280
|
pstmt.close();
|
1281
|
}
|
1282
|
catch(SQLException ee)
|
1283
|
{
|
1284
|
throw new
|
1285
|
SAXException("EMLSAXHandler.writeAccessRuletoDB(): " +
|
1286
|
ee.getMessage());
|
1287
|
}
|
1288
|
}//finally
|
1289
|
|
1290
|
}//writeGivenAccessRuleIntoDB
|
1291
|
|
1292
|
/* Delete from db all permission for resources related to @aclid if any.*/
|
1293
|
private void deletePermissionsInAccessTable(String aclid)
|
1294
|
throws SAXException
|
1295
|
{
|
1296
|
Statement stmt = null;
|
1297
|
try
|
1298
|
{
|
1299
|
// delete all acl records for resources related to @aclid if any
|
1300
|
stmt = connection.createStatement();
|
1301
|
// Increase DBConnection usage count
|
1302
|
connection.increaseUsageCount(1);
|
1303
|
stmt.execute("DELETE FROM xml_access WHERE accessfileid = '" + aclid +
|
1304
|
"'");
|
1305
|
|
1306
|
}
|
1307
|
catch (SQLException e)
|
1308
|
{
|
1309
|
throw new SAXException(e.getMessage());
|
1310
|
}
|
1311
|
finally
|
1312
|
{
|
1313
|
try
|
1314
|
{
|
1315
|
stmt.close();
|
1316
|
}
|
1317
|
catch (SQLException ee)
|
1318
|
{
|
1319
|
throw new SAXException(ee.getMessage());
|
1320
|
}
|
1321
|
}
|
1322
|
}//deletePermissionsInAccessTable
|
1323
|
|
1324
|
// write inline data into file system and return file name(without path)
|
1325
|
private StringBuffer writeInlineDataIntoFile(StringBuffer data)
|
1326
|
throws SAXException
|
1327
|
{
|
1328
|
StringBuffer fileNameBuffer = null;
|
1329
|
String fileName = null;
|
1330
|
String docidWithoutRev = MetaCatUtil.getDocIdFromString(docid);
|
1331
|
String path = MetaCatUtil.getOption("inlinedatafilepath");
|
1332
|
String seperator = MetaCatUtil.getOption("accNumSeparator");
|
1333
|
// the new file name will look like path/docid.rev.2
|
1334
|
fileName = docidWithoutRev + seperator+revision+seperator +inLineDataIndex;
|
1335
|
File inlineDataDirectory = new File(path);
|
1336
|
File newFile = new File(inlineDataDirectory, fileName);
|
1337
|
// incease inLinedataindex for next one
|
1338
|
inLineDataIndex++ ;
|
1339
|
try
|
1340
|
{
|
1341
|
FileWriter writer = new FileWriter(newFile);
|
1342
|
writer.write(data.toString());
|
1343
|
writer.close();
|
1344
|
}
|
1345
|
catch (Exception e)
|
1346
|
{
|
1347
|
throw new SAXException(e.getMessage());
|
1348
|
}
|
1349
|
|
1350
|
fileNameBuffer = new StringBuffer(fileName);
|
1351
|
return fileNameBuffer;
|
1352
|
}
|
1353
|
|
1354
|
/* In eml2, the inline data wouldn't store in db, it store in file system
|
1355
|
* The db stores file name(without path).
|
1356
|
*/
|
1357
|
public static String readInlineDataFromFileSystem(String fileName)
|
1358
|
throws McdbException
|
1359
|
{
|
1360
|
String data = null;
|
1361
|
String path = MetaCatUtil.getOption("inlinedatafilepath");
|
1362
|
// the new file name will look like path/docid.rev.2
|
1363
|
File inlineDataDirectory = new File(path);
|
1364
|
File dataFile = new File(inlineDataDirectory, fileName);
|
1365
|
try
|
1366
|
{
|
1367
|
FileReader fileReader = new FileReader(dataFile);
|
1368
|
BufferedReader stringReader = new BufferedReader(fileReader);
|
1369
|
// read first line of data
|
1370
|
String tmp = stringReader.readLine();
|
1371
|
// pass first line data to data varible
|
1372
|
data = tmp;
|
1373
|
// at the end tmp will be null
|
1374
|
while (tmp != null)
|
1375
|
{
|
1376
|
// read a new line
|
1377
|
tmp = stringReader.readLine();
|
1378
|
// append new line to data
|
1379
|
if (tmp != null)
|
1380
|
{
|
1381
|
data = data+tmp;
|
1382
|
}
|
1383
|
}
|
1384
|
|
1385
|
}
|
1386
|
catch (Exception e)
|
1387
|
{
|
1388
|
throw new McdbException(e.getMessage());
|
1389
|
}
|
1390
|
MetaCatUtil.debugMessage("the inline data retrieve from file: "+data, 50);
|
1391
|
return data;
|
1392
|
}
|
1393
|
}
|