Revision 1379
Added by Jing Tao over 21 years ago
src/edu/ucsb/nceas/metacat/AccessRulesFromDB.java | ||
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/** |
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* '$RCSfile$' |
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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: Jivka Bojilova |
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* Release: @release@ |
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* |
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* '$Author$' |
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* '$Date$' |
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* '$Revision$' |
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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.io.*; |
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import java.sql.*; |
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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.net.URL; |
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import java.net.MalformedURLException; |
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/** |
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* A Class to get access rules from xml_access table |
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*/ |
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public class AccessRulesFromDB { |
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private String aclid = null; |
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private String principal = null; |
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private int permision = 0; |
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private String allowType = null; |
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private String allowOrder = null; |
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private Vector docidAccessRuleApplied = new Vector(); |
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private Vector accessRuleVector = new Vector(); |
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/** |
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* Construct an instance of the AccessRulesFromDB |
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* @param aclid the Accession# of the document with the acl data |
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*/ |
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public AccessRulesFromDB(String aclid) |
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throws IOException, McdbException, SQLException |
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{ |
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this.aclid = aclid; |
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selectAccessRules(); |
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selectDocIdAccessRuleApplied(); |
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} |
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/** |
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* Method to get accessRuleVector |
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*/ |
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public Vector getAccessRuleVector() |
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{ |
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return accessRuleVector; |
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} |
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/** |
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* Method to get docidAccessRuleApplied |
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*/ |
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public Vector getDocidAccessRuleApplied() |
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{ |
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return docidAccessRuleApplied; |
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} |
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/* Get all objects associated with @aclid from db.*/ |
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private void selectAccessRules() throws SQLException |
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{ |
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String accessRule = null; |
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DBConnection conn = null; |
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int serialNumber = -1; |
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PreparedStatement pstmt = null; |
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try |
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{ |
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//get connection from DBConnectionPool |
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conn = DBConnectionPool. |
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getDBConnection("AccessRulesFromDB.selectAccessRules"); |
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serialNumber=conn.getCheckOutSerialNumber(); |
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// delete all acl records for resources related to @aclid if any |
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pstmt = conn.prepareStatement("SELECT principal_name, perm_type, " + |
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"permission, perm_order FROM xml_access " + |
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"WHERE accessfileid = ? "); |
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pstmt.setString(1,aclid); |
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pstmt.execute(); |
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ResultSet rs = pstmt.getResultSet(); |
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boolean hasRows = rs.next(); |
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int i = 0; |
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while (hasRows) |
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{ |
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principal = rs.getString(1); |
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if (principal != null) |
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{ |
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principal = principal.trim(); |
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} |
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allowType = rs.getString(2); |
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if ( allowType != null) |
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{ |
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allowType = allowType.trim(); |
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} |
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permision = rs.getInt(3); |
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allowOrder = rs.getString(4); |
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if (allowOrder != null) |
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{ |
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allowOrder.trim(); |
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} |
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//combine access rule |
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accessRule = principal + CleanupAccessTable.DELIMITER; |
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accessRule = accessRule + allowType + CleanupAccessTable.DELIMITER; |
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accessRule = accessRule + permision + CleanupAccessTable.DELIMITER; |
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accessRule = accessRule + allowOrder; |
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// if hashtable doesn't has the rule add to hashtable |
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if (!accessRuleVector.contains(accessRule)) |
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{ |
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accessRuleVector.addElement(accessRule); |
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i++; |
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} |
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hasRows = rs.next(); |
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// reset value |
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accessRule = null; |
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principal = null; |
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permision = 0; |
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allowType = null; |
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allowOrder = null; |
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}//while |
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} |
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catch (SQLException e) |
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{ |
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throw e; |
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} |
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finally |
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{ |
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try |
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{ |
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pstmt.close(); |
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} |
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finally |
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{ |
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//retrun DBConnection |
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DBConnectionPool.returnDBConnection(conn,serialNumber); |
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} |
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} |
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} |
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/* Get all objects associated with @aclid from db.*/ |
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private void selectDocIdAccessRuleApplied() throws SQLException |
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{ |
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String docid = null; |
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DBConnection conn = null; |
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int serialNumber = -1; |
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PreparedStatement pstmt = null; |
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try |
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{ |
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//get connection from DBConnectionPool |
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conn = DBConnectionPool. |
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getDBConnection("AccessRulesFromDB.selectDocIdAccessRuleApplied"); |
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serialNumber=conn.getCheckOutSerialNumber(); |
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// delete all acl records for resources related to @aclid if any |
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pstmt = conn.prepareStatement("SELECT docid FROM xml_access " + |
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"WHERE accessfileid = ? "); |
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pstmt.setString(1,aclid); |
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pstmt.execute(); |
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ResultSet rs = pstmt.getResultSet(); |
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boolean hasRows = rs.next(); |
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int i = 0; |
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while (hasRows) |
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{ |
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docid = rs.getString(1); |
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// if hashtable doesn't has the rule add to hashtable |
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if (!docidAccessRuleApplied.contains(docid) && !docid.equals(aclid)) |
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{ |
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docidAccessRuleApplied.addElement(docid); |
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i++; |
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} |
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hasRows = rs.next(); |
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// reset value |
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docid = null; |
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}//while |
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} |
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catch (SQLException e) |
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{ |
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throw e; |
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} |
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finally |
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{ |
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try |
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{ |
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pstmt.close(); |
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} |
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finally |
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{ |
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//retrun DBConnection |
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DBConnectionPool.returnDBConnection(conn,serialNumber); |
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} |
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} |
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} |
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public static void main(String[] agus) |
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{ |
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if(agus.length == 0) |
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{ |
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System.out.println("you should specify a docid!"); |
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return; |
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} |
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String docID = agus[0]; |
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try |
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{ |
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DBConnectionPool pool = DBConnectionPool.getInstance(); |
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AccessRulesFromDocument xmlDocument = new AccessRulesFromDocument(docID); |
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Vector rules = xmlDocument.getAccessRuleVector(); |
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Vector docid = xmlDocument.getACLObjects(); |
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AccessRulesFromDB db = new AccessRulesFromDB(docID); |
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Vector rulesFromDB = db.getAccessRuleVector(); |
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Vector docidFromDB = db.getDocidAccessRuleApplied(); |
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for (int i = 0; i<rulesFromDB.size(); i++) |
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{ |
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System.out.println("rule: "+(String)rulesFromDB.elementAt(i)); |
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if (!rules.contains(rulesFromDB.elementAt(i))) |
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{ |
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System.out.println("find a new rule!!!"); |
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} |
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} |
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for (int i = 0; i<docidFromDB.size(); i++) |
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{ |
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System.out.println("docid: "+(String)docidFromDB.elementAt(i)); |
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if (!docid.contains(docidFromDB.elementAt(i))) |
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{ |
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System.out.println("find a new triple"); |
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} |
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} |
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} |
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catch(Exception e) |
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{ |
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System.out.println("exception is: "+e.getMessage()); |
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} |
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} |
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} |
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Also available in: Unified diff
Delete the file which will clean up access table.