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/**
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* '$RCSfile$'
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* Copyright: 2011 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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* '$Author: leinfelder $'
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* '$Date: 2011-06-30 17:24:29 -0700 (Thu, 30 Jun 2011) $'
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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.restservice;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.UnsupportedEncodingException;
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import java.text.DateFormat;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Enumeration;
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import java.util.Map;
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import javax.servlet.ServletContext;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.fileupload.FileUploadException;
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import org.apache.commons.io.IOUtils;
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import org.apache.log4j.Logger;
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import org.dataone.client.ObjectFormatCache;
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import org.dataone.service.exceptions.BaseException;
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import org.dataone.service.exceptions.IdentifierNotUnique;
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import org.dataone.service.exceptions.InsufficientResources;
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import org.dataone.service.exceptions.InvalidRequest;
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import org.dataone.service.exceptions.InvalidSystemMetadata;
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import org.dataone.service.exceptions.InvalidToken;
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import org.dataone.service.exceptions.NotAuthorized;
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import org.dataone.service.exceptions.NotFound;
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import org.dataone.service.exceptions.NotImplemented;
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import org.dataone.service.exceptions.ServiceFailure;
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import org.dataone.service.exceptions.SynchronizationFailed;
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import org.dataone.service.exceptions.UnsupportedType;
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import org.dataone.service.types.AccessPolicy;
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import org.dataone.service.types.Checksum;
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import org.dataone.service.types.DescribeResponse;
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import org.dataone.service.types.Event;
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import org.dataone.service.types.Identifier;
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import org.dataone.service.types.Log;
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import org.dataone.service.types.MonitorList;
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import org.dataone.service.types.Node;
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import org.dataone.service.types.NodeList;
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import org.dataone.service.types.NodeReference;
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import org.dataone.service.types.ObjectFormat;
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import org.dataone.service.types.ObjectList;
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import org.dataone.service.types.Permission;
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import org.dataone.service.types.Subject;
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import org.dataone.service.types.SystemMetadata;
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import org.jibx.runtime.JiBXException;
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import edu.ucsb.nceas.metacat.dataone.MNodeService;
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/**
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* MN REST service implementation handler
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*
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* ******************
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* MNCore -- DONE
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* ping() - GET /d1/mn/monitor/ping
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* log() - GET /d1/mn/log
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* **getObjectStatistics() - GET /d1/mn/monitor/object
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* getOperationsStatistics - GET /d1/mn/monitor/event
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* **getStatus - GET /d1/mn/monitor/status
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* getCapabilities() - GET /d1/mn/ and /d1/mn/node
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*
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* MNRead -- DONE
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* get() - GET /d1/mn/object/PID
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* getSystemMetadata() - GET /d1/mn/meta/PID
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* describe() - HEAD /d1/mn/object/PID
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* getChecksum() - GET /d1/mn/checksum/PID
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* listObjects() - GET /d1/mn/object
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* synchronizationFailed() - POST /d1/mn/error
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*
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* MNAuthorization -- DONE
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* isAuthorized() - GET /d1/mn/isAuthorized/PID
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* setAccessPolicy() - PUT /d1/mn/accessRules/PID
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*
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* MNStorage
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* create() - POST /d1/mn/object/PID
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* update() - PUT /d1/mn/object/PID
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* delete() - DELETE /d1/mn/object/PID
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*
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* MNReplication
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* replicate() - POST /d1/mn/replicate
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*
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* ******************
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* @author leinfelder
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*
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*/
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public class MNResourceHandler extends D1ResourceHandler{
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// MN-specific API Resources
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protected static final String RESOURCE_MONITOR = "monitor";
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protected static final String RESOURCE_REPLICATE = "replicate";
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protected static final String RESOURCE_NODE = "node";
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protected static final String RESOURCE_ERROR = "error";
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/**
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* Initializes new instance by setting servlet context,request and response
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* */
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public MNResourceHandler(ServletContext servletContext,
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HttpServletRequest request, HttpServletResponse response) {
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super(servletContext, request, response);
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logMetacat = Logger.getLogger(MNResourceHandler.class);
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}
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/**
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* This function is called from REST API servlet and handles each request to the servlet
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*
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* @param httpVerb (GET, POST, PUT or DELETE)
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*/
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@Override
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public void handle(byte httpVerb) {
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// prepare the handler
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super.handle(httpVerb);
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try {
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String resourcePrefix = RESOURCE_BASE_URL + "/mn/";
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String resource = request.getServletPath();
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if (resource.endsWith(resourcePrefix)) {
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resource = RESOURCE_NODE;
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}
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else {
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// remove prefix
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resource = resource.substring(resource.indexOf(resourcePrefix) + resourcePrefix.length());
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resource = resource.trim();
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}
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logMetacat.debug("handling verb " + httpVerb + " request with resource '" + resource + "'");
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logMetacat.debug("resource: '" + resource + "'");
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boolean status = false;
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if (resource != null) {
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if (resource.equals(RESOURCE_NODE)) {
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// node response
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node();
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status = true;
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} else if (resource.equals(RESOURCE_ACCESS_RULES)) {
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if (httpVerb == POST) {
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// set the access rules
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setAccess();
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status = true;
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logMetacat.debug("done setting access");
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}
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} else if (resource.equals(RESOURCE_IS_AUTHORIZED)) {
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if (httpVerb == GET) {
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// check the access rules
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String objectId = request.getPathInfo();
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if (objectId != null && objectId.length() > 1) {
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objectId = request.getPathInfo().substring(1);
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}
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isAuthorized(objectId);
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status = true;
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logMetacat.debug("done getting access");
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}
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} else if (resource.equals(RESOURCE_META)) {
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logMetacat.debug("Using resource 'meta'");
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String objectId = request.getPathInfo();
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if (objectId != null && objectId.length() > 1) {
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objectId = request.getPathInfo().substring(1);
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}
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// get
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if (httpVerb == GET) {
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getSystemMetadataObject(objectId);
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status = true;
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}
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} else if (resource.equals(RESOURCE_OBJECTS)) {
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logMetacat.debug("Using resource 'object'");
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String objectId = request.getPathInfo();
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if (objectId != null && objectId.length() > 1) {
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objectId = request.getPathInfo().substring(1);
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} else {
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objectId = null;
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}
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logMetacat.debug("objectId: " + objectId);
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logMetacat.debug("verb:" + httpVerb);
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if (httpVerb == GET) {
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getObject(objectId);
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status = true;
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} else if (httpVerb == POST) {
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putObject(objectId, FUNCTION_NAME_INSERT);
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status = true;
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} else if (httpVerb == PUT) {
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putObject(objectId, FUNCTION_NAME_UPDATE);
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status = true;
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} else if (httpVerb == DELETE) {
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deleteObject(objectId);
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status = true;
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} else if (httpVerb == HEAD) {
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describeObject(objectId);
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status = true;
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}
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} else if (resource.equals(RESOURCE_LOG)) {
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logMetacat.debug("Using resource 'log'");
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// handle log events
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if (httpVerb == GET) {
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getLog();
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status = true;
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}
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} else if (resource.equals(RESOURCE_CHECKSUM)) {
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logMetacat.debug("Using resource 'checksum'");
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// handle checksum requests
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if (httpVerb == GET) {
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checksum();
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_MONITOR)) {
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// there are various parts to monitoring
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if (httpVerb == GET) {
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// health monitoring calls
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status = monitor();
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}
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} else if (resource.equals(RESOURCE_REPLICATE)) {
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if (httpVerb == POST) {
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logMetacat.debug("processing replicate request");
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replicate();
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status = true;
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}
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} else if (resource.equals(RESOURCE_ERROR)) {
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// sync error
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if (httpVerb == POST) {
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syncError();
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status = true;
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}
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}
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260
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if (!status) {
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throw new ServiceFailure("0000", "Unknown error, status = " + status);
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263
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}
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264
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} else {
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265
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throw new InvalidRequest("0000", "No resource matched for " + resource);
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266
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}
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267
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} catch (BaseException be) {
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268
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// report Exceptions as clearly as possible
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OutputStream out = null;
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try {
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out = response.getOutputStream();
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} catch (IOException e) {
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273
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logMetacat.error("Could not get output stream from response", e);
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}
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serializeException(be, out);
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276
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} catch (Exception e) {
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// report Exceptions as clearly and generically as possible
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278
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logMetacat.error(e.getClass() + ": " + e.getMessage(), e);
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279
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OutputStream out = null;
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280
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try {
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out = response.getOutputStream();
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282
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} catch (IOException ioe) {
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logMetacat.error("Could not get output stream from response", ioe);
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284
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}
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285
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ServiceFailure se = new ServiceFailure("0000", e.getMessage());
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286
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serializeException(se, out);
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287
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}
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288
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}
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289
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290
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/**
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291
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* Checks the access policy
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292
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* @param id
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293
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* @return
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294
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* @throws ServiceFailure
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295
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* @throws InvalidToken
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296
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* @throws NotFound
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297
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* @throws NotAuthorized
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298
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* @throws NotImplemented
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299
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* @throws InvalidRequest
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300
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*/
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301
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private boolean isAuthorized(String id) throws ServiceFailure, InvalidToken, NotFound, NotAuthorized, NotImplemented, InvalidRequest {
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302
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Identifier pid = new Identifier();
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303
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pid.setValue(id);
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304
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Permission permission = null;
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305
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try {
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306
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String perm = params.get("permission")[0];
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307
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permission = Permission.valueOf(perm);
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308
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} catch (Exception e) {
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309
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logMetacat.warn("No permission specified");
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310
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}
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311
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boolean result = MNodeService.getInstance().isAuthorized(session, pid, permission);
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312
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response.setStatus(200);
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313
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response.setContentType("text/xml");
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314
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return result;
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315
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}
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|
316
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|
|
317
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/**
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318
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* Processes failed synchronization message
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319
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* @throws NotImplemented
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320
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* @throws ServiceFailure
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321
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* @throws NotAuthorized
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322
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* @throws InvalidRequest
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323
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* @throws UnsupportedEncodingException
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324
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* @throws JiBXException
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325
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*/
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326
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private void syncError() throws NotImplemented, ServiceFailure, NotAuthorized, InvalidRequest, UnsupportedEncodingException, JiBXException {
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327
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SynchronizationFailed syncFailed = null;
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328
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if (params.containsKey("message")) {
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329
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String message = params.get("message")[0];
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330
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syncFailed = (SynchronizationFailed) deserializeServiceType(SynchronizationFailed.class, new ByteArrayInputStream(message.getBytes("UTF-8")));
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331
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}
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332
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MNodeService.getInstance().synchronizationFailed(session, syncFailed);
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333
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}
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|
334
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|
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335
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/**
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336
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* Handles the monitoring resources
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337
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* @return
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338
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* @throws NotFound
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339
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* @throws ParseException
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340
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* @throws NotImplemented
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341
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* @throws ServiceFailure
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342
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* @throws NotAuthorized
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343
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* @throws InvalidRequest
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344
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* @throws InsufficientResources
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345
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* @throws UnsupportedType
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346
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* @throws IOException
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347
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* @throws JiBXException
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348
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*/
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349
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private boolean monitor() throws NotFound, ParseException, NotImplemented, ServiceFailure, NotAuthorized, InvalidRequest, InsufficientResources, UnsupportedType, IOException, JiBXException {
|
|
350
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logMetacat.debug("processing monitor request");
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351
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String pathInfo = request.getPathInfo();
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352
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|
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353
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logMetacat.debug("verb is GET");
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354
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logMetacat.debug("pathInfo is " + pathInfo);
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355
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pathInfo = pathInfo.substring(1);
|
|
356
|
|
|
357
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if (pathInfo.toLowerCase().equals("ping")) {
|
|
358
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logMetacat.debug("processing ping request");
|
|
359
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boolean result = MNodeService.getInstance().ping();
|
|
360
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return result;
|
|
361
|
|
|
362
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} else if (pathInfo.toLowerCase().equals("status")) {
|
|
363
|
logMetacat.debug("processing status request");
|
|
364
|
// TODO: implement in MNCore
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|
365
|
//MNodeService.getInstance().getStatus();
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|
366
|
return false;
|
|
367
|
|
|
368
|
} else if (pathInfo.toLowerCase().equals("object")) {
|
|
369
|
logMetacat.debug("processing object request");
|
|
370
|
Identifier pid = null;
|
|
371
|
ObjectFormat format = null;
|
|
372
|
if (params.containsKey("format")) {
|
|
373
|
String f = params.get("format")[0];
|
|
374
|
format = ObjectFormatCache.getInstance().getFormat(f);
|
|
375
|
}
|
|
376
|
if (params.containsKey("pid")) {
|
|
377
|
String id = params.get("pid")[0];
|
|
378
|
pid = new Identifier();
|
|
379
|
pid.setValue(id);
|
|
380
|
}
|
|
381
|
|
|
382
|
// TODO: implement in MNCore
|
|
383
|
//ObjectStatistics objectStats = MNodeService.getInstance().getObjectStatistics(format, pid);
|
|
384
|
return false;
|
|
385
|
|
|
386
|
} else if (pathInfo.toLowerCase().equals("event")) {
|
|
387
|
logMetacat.debug("processing event request");
|
|
388
|
ObjectFormat format = null;
|
|
389
|
Integer period = null;
|
|
390
|
String requestor = null;
|
|
391
|
Subject subject = null;
|
|
392
|
String eventName = null;
|
|
393
|
Event event = null;
|
|
394
|
|
|
395
|
if (params.containsKey("format")) {
|
|
396
|
String f = params.get("format")[0];
|
|
397
|
format = ObjectFormatCache.getInstance().getFormat(f);
|
|
398
|
}
|
|
399
|
if (params.containsKey("period")) {
|
|
400
|
String t = params.get("period")[0];
|
|
401
|
period = Integer.valueOf(t);
|
|
402
|
}
|
|
403
|
if (params.containsKey("requestor")) {
|
|
404
|
requestor = params.get("requestor")[0];
|
|
405
|
subject = new Subject();
|
|
406
|
subject.setValue(requestor);
|
|
407
|
}
|
|
408
|
if (params.containsKey("event")) {
|
|
409
|
eventName = params.get("event")[0];
|
|
410
|
event = Event.valueOf(eventName);
|
|
411
|
}
|
|
412
|
|
|
413
|
MonitorList monitorList = MNodeService.getInstance().getOperationStatistics(session, period, subject, event, format);
|
|
414
|
|
|
415
|
OutputStream out = response.getOutputStream();
|
|
416
|
response.setStatus(200);
|
|
417
|
response.setContentType("text/xml");
|
|
418
|
|
|
419
|
serializeServiceType(MonitorList.class, monitorList, out);
|
|
420
|
|
|
421
|
return true;
|
|
422
|
|
|
423
|
}
|
|
424
|
|
|
425
|
return false;
|
|
426
|
}
|
|
427
|
|
|
428
|
/**
|
|
429
|
* Calculate the checksum
|
|
430
|
* @throws NotImplemented
|
|
431
|
* @throws JiBXException
|
|
432
|
* @throws IOException
|
|
433
|
* @throws InvalidToken
|
|
434
|
* @throws ServiceFailure
|
|
435
|
* @throws NotAuthorized
|
|
436
|
* @throws NotFound
|
|
437
|
* @throws InvalidRequest
|
|
438
|
*/
|
|
439
|
private void checksum() throws NotImplemented, JiBXException, IOException, InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest {
|
|
440
|
String checksumAlgorithm = "MD5";
|
|
441
|
String guid = request.getPathInfo();
|
|
442
|
if (guid != null && guid.length() > 1) {
|
|
443
|
guid = request.getPathInfo().substring(1); // trim the slash
|
|
444
|
}
|
|
445
|
Identifier guidid = new Identifier();
|
|
446
|
guidid.setValue(guid);
|
|
447
|
try {
|
|
448
|
checksumAlgorithm = params.get("checksumAlgorithm")[0];
|
|
449
|
} catch(Exception e) {
|
|
450
|
//do nothing. default to MD5
|
|
451
|
logMetacat.warn("No algorithm specified, using default: " + checksumAlgorithm);
|
|
452
|
}
|
|
453
|
logMetacat.debug("getting checksum for object " + guid + " with algorithm " + checksumAlgorithm);
|
|
454
|
|
|
455
|
Checksum c = MNodeService.getInstance().getChecksum(session, guidid, checksumAlgorithm);
|
|
456
|
logMetacat.debug("got checksum " + c.getValue());
|
|
457
|
response.setStatus(200);
|
|
458
|
logMetacat.debug("serializing response");
|
|
459
|
serializeServiceType(Checksum.class, c, response.getOutputStream());
|
|
460
|
logMetacat.debug("done serializing response.");
|
|
461
|
|
|
462
|
}
|
|
463
|
|
|
464
|
/**
|
|
465
|
* handle the replicate action for MN
|
|
466
|
* @throws JiBXException
|
|
467
|
* @throws FileUploadException
|
|
468
|
* @throws IOException
|
|
469
|
* @throws InvalidRequest
|
|
470
|
* @throws ServiceFailure
|
|
471
|
* @throws UnsupportedType
|
|
472
|
* @throws InsufficientResources
|
|
473
|
* @throws NotAuthorized
|
|
474
|
* @throws NotImplemented
|
|
475
|
*/
|
|
476
|
private void replicate() throws ServiceFailure, InvalidRequest, IOException, FileUploadException, JiBXException, NotImplemented, NotAuthorized, InsufficientResources, UnsupportedType {
|
|
477
|
|
|
478
|
logMetacat.debug("in POST replicate()");
|
|
479
|
|
|
480
|
//parse the systemMetadata
|
|
481
|
SystemMetadata sysmeta = collectSystemMetadata();
|
|
482
|
|
|
483
|
String sn = multipartparams.get("sourceNode").get(0);
|
|
484
|
logMetacat.debug("sourceNode: " + sn);
|
|
485
|
NodeReference sourceNode = (NodeReference) deserializeServiceType(NodeReference.class, new ByteArrayInputStream(sn.getBytes("UTF-8")));
|
|
486
|
|
|
487
|
MNodeService.getInstance().replicate(session, sysmeta, sourceNode);
|
|
488
|
|
|
489
|
response.setStatus(200);
|
|
490
|
|
|
491
|
}
|
|
492
|
|
|
493
|
/**
|
|
494
|
* Get the Node information
|
|
495
|
*
|
|
496
|
* @throws JiBXException
|
|
497
|
* @throws IOException
|
|
498
|
* @throws InvalidRequest
|
|
499
|
* @throws ServiceFailure
|
|
500
|
* @throws NotAuthorized
|
|
501
|
* @throws NotImplemented
|
|
502
|
*/
|
|
503
|
private void node()
|
|
504
|
throws JiBXException, IOException, NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest {
|
|
505
|
|
|
506
|
Node n = MNodeService.getInstance().getCapabilities();
|
|
507
|
|
|
508
|
NodeList nl = new NodeList();
|
|
509
|
nl.addNode(n);
|
|
510
|
|
|
511
|
response.setContentType("text/xml");
|
|
512
|
response.setStatus(200);
|
|
513
|
serializeServiceType(NodeList.class, nl, response.getOutputStream());
|
|
514
|
|
|
515
|
}
|
|
516
|
|
|
517
|
/**
|
|
518
|
* MN_crud.describe()
|
|
519
|
* http://mule1.dataone.org/ArchitectureDocs/mn_api_crud.html#MN_crud.describe
|
|
520
|
* @param guid
|
|
521
|
* @throws InvalidRequest
|
|
522
|
* @throws NotImplemented
|
|
523
|
* @throws NotFound
|
|
524
|
* @throws NotAuthorized
|
|
525
|
* @throws ServiceFailure
|
|
526
|
* @throws InvalidToken
|
|
527
|
*/
|
|
528
|
private void describeObject(String guid) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, NotImplemented, InvalidRequest
|
|
529
|
{
|
|
530
|
response.setStatus(200);
|
|
531
|
response.setContentType("text/xml");
|
|
532
|
|
|
533
|
Identifier id = new Identifier();
|
|
534
|
id.setValue(guid);
|
|
535
|
|
|
536
|
DescribeResponse dr = MNodeService.getInstance().describe(session, id);
|
|
537
|
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss.SZ");
|
|
538
|
response.addHeader("guid", guid);
|
|
539
|
response.addHeader("checksum", dr.getDataONE_Checksum().getValue());
|
|
540
|
response.addHeader("checksum_algorithm", dr.getDataONE_Checksum().getAlgorithm().name());
|
|
541
|
response.addHeader("content_length", dr.getContent_Length() + "");
|
|
542
|
response.addHeader("last_modified", dateFormat.format(dr.getLast_Modified()));
|
|
543
|
response.addHeader("format", dr.getDataONE_ObjectFormat().toString());
|
|
544
|
|
|
545
|
}
|
|
546
|
|
|
547
|
/**
|
|
548
|
* get the logs based on passed params. Available
|
|
549
|
* See http://mule1.dataone.org/ArchitectureDocs/mn_api_crud.html#MN_crud.getLogRecords
|
|
550
|
* for more info
|
|
551
|
* @throws NotImplemented
|
|
552
|
* @throws InvalidRequest
|
|
553
|
* @throws NotAuthorized
|
|
554
|
* @throws ServiceFailure
|
|
555
|
* @throws InvalidToken
|
|
556
|
* @throws IOException
|
|
557
|
* @throws JiBXException
|
|
558
|
*/
|
|
559
|
private void getLog() throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest, NotImplemented, IOException, JiBXException
|
|
560
|
{
|
|
561
|
|
|
562
|
Date fromDate = null;
|
|
563
|
Date toDate = null;
|
|
564
|
Event event = null;
|
|
565
|
Integer start = null;
|
|
566
|
Integer count = null;
|
|
567
|
|
|
568
|
try {
|
|
569
|
String fromDateS = params.get("fromDate")[0];
|
|
570
|
logMetacat.debug("param fromDateS: " + fromDateS);
|
|
571
|
fromDate = parseDateAndConvertToGMT(fromDateS);
|
|
572
|
} catch (Exception e) {
|
|
573
|
logMetacat.warn("Could not parse fromDate: " + e.getMessage());
|
|
574
|
}
|
|
575
|
try {
|
|
576
|
String toDateS = params.get("toDate")[0];
|
|
577
|
logMetacat.debug("param toDateS: " + toDateS);
|
|
578
|
toDate = parseDateAndConvertToGMT(toDateS);
|
|
579
|
} catch (Exception e) {
|
|
580
|
logMetacat.warn("Could not parse toDate: " + e.getMessage());
|
|
581
|
}
|
|
582
|
try {
|
|
583
|
String eventS = params.get("event")[0];
|
|
584
|
event = Event.convert(eventS);
|
|
585
|
} catch (Exception e) {
|
|
586
|
logMetacat.warn("Could not parse event: " + e.getMessage());
|
|
587
|
}
|
|
588
|
logMetacat.debug("fromDate: " + fromDate + " toDate: " + toDate);
|
|
589
|
|
|
590
|
try {
|
|
591
|
start = Integer.parseInt(params.get("start")[0]);
|
|
592
|
} catch (Exception e) {
|
|
593
|
logMetacat.warn("Could not parse start: " + e.getMessage());
|
|
594
|
}
|
|
595
|
try {
|
|
596
|
count = Integer.parseInt(params.get("count")[0]);
|
|
597
|
} catch (Exception e) {
|
|
598
|
logMetacat.warn("Could not parse count: " + e.getMessage());
|
|
599
|
}
|
|
600
|
|
|
601
|
logMetacat.debug("calling getLogRecords");
|
|
602
|
Log log = MNodeService.getInstance().getLogRecords(session, fromDate, toDate, event, start, count);
|
|
603
|
|
|
604
|
OutputStream out = response.getOutputStream();
|
|
605
|
response.setStatus(200);
|
|
606
|
response.setContentType("text/xml");
|
|
607
|
|
|
608
|
serializeServiceType(Log.class, log, out);
|
|
609
|
|
|
610
|
}
|
|
611
|
|
|
612
|
/**
|
|
613
|
* Implements REST version of DataONE CRUD API --> get
|
|
614
|
* @param guid ID of data object to be read
|
|
615
|
* @throws NotImplemented
|
|
616
|
* @throws InvalidRequest
|
|
617
|
* @throws NotFound
|
|
618
|
* @throws NotAuthorized
|
|
619
|
* @throws ServiceFailure
|
|
620
|
* @throws InvalidToken
|
|
621
|
* @throws IOException
|
|
622
|
* @throws JiBXException
|
|
623
|
*/
|
|
624
|
protected void getObject(String guid) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest, NotImplemented, IOException, JiBXException {
|
|
625
|
OutputStream out = null;
|
|
626
|
|
|
627
|
if (guid != null) { //get a specific document
|
|
628
|
Identifier id = new Identifier();
|
|
629
|
id.setValue(guid);
|
|
630
|
|
|
631
|
SystemMetadata sm = MNodeService.getInstance().getSystemMetadata(session, id);
|
|
632
|
|
|
633
|
//set the content type
|
|
634
|
if (sm.getObjectFormat().getFmtid().getValue().trim().equals(
|
|
635
|
ObjectFormatCache.getInstance().getFormat("text/csv").getFmtid().getValue()))
|
|
636
|
{
|
|
637
|
response.setContentType("text/csv");
|
|
638
|
response.setHeader("Content-Disposition", "inline; filename=" + id.getValue() + ".csv");
|
|
639
|
}
|
|
640
|
else if (sm.getObjectFormat().getFmtid().getValue().trim().equals(
|
|
641
|
ObjectFormatCache.getInstance().getFormat("text/plain").getFmtid().getValue()))
|
|
642
|
{
|
|
643
|
response.setContentType("text/plain");
|
|
644
|
response.setHeader("Content-Disposition", "inline; filename=" + id.getValue() + ".txt");
|
|
645
|
}
|
|
646
|
else if (sm.getObjectFormat().getFmtid().getValue().trim().equals(
|
|
647
|
ObjectFormatCache.getInstance().getFormat("application/octet-stream").getFmtid().getValue()))
|
|
648
|
{
|
|
649
|
response.setContentType("application/octet-stream");
|
|
650
|
}
|
|
651
|
else
|
|
652
|
{
|
|
653
|
response.setContentType("text/xml");
|
|
654
|
response.setHeader("Content-Disposition", "inline; filename=" + id.getValue() + ".xml");
|
|
655
|
}
|
|
656
|
|
|
657
|
InputStream data = MNodeService.getInstance().get(session, id);
|
|
658
|
|
|
659
|
out = response.getOutputStream();
|
|
660
|
IOUtils.copyLarge(data, out);
|
|
661
|
|
|
662
|
}
|
|
663
|
else
|
|
664
|
{ //call listObjects with specified params
|
|
665
|
Date startTime = null;
|
|
666
|
Date endTime = null;
|
|
667
|
ObjectFormat objectFormat = null;
|
|
668
|
boolean replicaStatus = false;
|
|
669
|
int start = 0;
|
|
670
|
//TODO: make the max count into a const
|
|
671
|
int count = 1000;
|
|
672
|
Enumeration paramlist = request.getParameterNames();
|
|
673
|
while (paramlist.hasMoreElements())
|
|
674
|
{ //parse the params and make the crud call
|
|
675
|
String name = (String) paramlist.nextElement();
|
|
676
|
String[] value = (String[])request.getParameterValues(name);
|
|
677
|
|
|
678
|
if (name.equals("startTime") && value != null)
|
|
679
|
{
|
|
680
|
try
|
|
681
|
{
|
|
682
|
//startTime = dateFormat.parse(value[0]);
|
|
683
|
startTime = parseDateAndConvertToGMT(value[0]);
|
|
684
|
}
|
|
685
|
catch(Exception e)
|
|
686
|
{ //if we can't parse it, just don't use the startTime param
|
|
687
|
logMetacat.warn("Could not parse startTime: " + value[0]);
|
|
688
|
startTime = null;
|
|
689
|
}
|
|
690
|
}
|
|
691
|
else if(name.equals("endTime") && value != null)
|
|
692
|
{
|
|
693
|
try
|
|
694
|
{
|
|
695
|
//endTime = dateFormat.parse(value[0]);
|
|
696
|
endTime = parseDateAndConvertToGMT(value[0]);
|
|
697
|
}
|
|
698
|
catch(Exception e)
|
|
699
|
{ //if we can't parse it, just don't use the endTime param
|
|
700
|
logMetacat.warn("Could not parse endTime: " + value[0]);
|
|
701
|
endTime = null;
|
|
702
|
}
|
|
703
|
}
|
|
704
|
else if(name.equals("objectFormat") && value != null)
|
|
705
|
{
|
|
706
|
objectFormat = ObjectFormatCache.getInstance().getFormat(value[0]);
|
|
707
|
}
|
|
708
|
else if(name.equals("replicaStatus") && value != null)
|
|
709
|
{
|
|
710
|
if(value != null &&
|
|
711
|
value.length > 0 &&
|
|
712
|
(value[0].equals("true") || value[0].equals("TRUE") || value[0].equals("YES")))
|
|
713
|
{
|
|
714
|
replicaStatus = true;
|
|
715
|
}
|
|
716
|
}
|
|
717
|
else if(name.equals("start") && value != null)
|
|
718
|
{
|
|
719
|
start = new Integer(value[0]).intValue();
|
|
720
|
}
|
|
721
|
else if(name.equals("count") && value != null)
|
|
722
|
{
|
|
723
|
count = new Integer(value[0]).intValue();
|
|
724
|
}
|
|
725
|
}
|
|
726
|
//make the crud call
|
|
727
|
logMetacat.debug("session: " + session + " startTime: " + startTime +
|
|
728
|
" endtime: " + endTime + " objectFormat: " +
|
|
729
|
objectFormat + " replicaStatus: " + replicaStatus +
|
|
730
|
" start: " + start + " count: " + count);
|
|
731
|
|
|
732
|
ObjectList ol =
|
|
733
|
MNodeService.getInstance().listObjects(session, startTime, endTime,
|
|
734
|
objectFormat, replicaStatus, start, count);
|
|
735
|
|
|
736
|
out = response.getOutputStream();
|
|
737
|
response.setStatus(200);
|
|
738
|
response.setContentType("text/xml");
|
|
739
|
// Serialize and write it to the output stream
|
|
740
|
serializeServiceType(ObjectList.class, ol, out);
|
|
741
|
|
|
742
|
}
|
|
743
|
|
|
744
|
}
|
|
745
|
|
|
746
|
|
|
747
|
/**
|
|
748
|
* Retrieve System Metadata
|
|
749
|
* @param guid
|
|
750
|
* @throws InvalidToken
|
|
751
|
* @throws ServiceFailure
|
|
752
|
* @throws NotAuthorized
|
|
753
|
* @throws NotFound
|
|
754
|
* @throws InvalidRequest
|
|
755
|
* @throws NotImplemented
|
|
756
|
* @throws IOException
|
|
757
|
* @throws JiBXException
|
|
758
|
*/
|
|
759
|
protected void getSystemMetadataObject(String guid) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest, NotImplemented, IOException, JiBXException {
|
|
760
|
|
|
761
|
Identifier id = new Identifier();
|
|
762
|
id.setValue(guid);
|
|
763
|
SystemMetadata sysmeta = MNodeService.getInstance().getSystemMetadata(session, id);
|
|
764
|
|
|
765
|
response.setContentType("text/xml");
|
|
766
|
response.setStatus(200);
|
|
767
|
OutputStream out = response.getOutputStream();
|
|
768
|
|
|
769
|
// Serialize and write it to the output stream
|
|
770
|
serializeServiceType(SystemMetadata.class, sysmeta, out);
|
|
771
|
}
|
|
772
|
|
|
773
|
|
|
774
|
/**
|
|
775
|
* Inserts or updates the object
|
|
776
|
*
|
|
777
|
* @param guid - ID of data object to be inserted or updated. If action is update, the pid
|
|
778
|
* is the existing pid. If insert, the pid is the new one
|
|
779
|
* @throws InvalidRequest
|
|
780
|
* @throws ServiceFailure
|
|
781
|
* @throws JiBXException
|
|
782
|
* @throws NotImplemented
|
|
783
|
* @throws InvalidSystemMetadata
|
|
784
|
* @throws InsufficientResources
|
|
785
|
* @throws UnsupportedType
|
|
786
|
* @throws IdentifierNotUnique
|
|
787
|
* @throws NotAuthorized
|
|
788
|
* @throws InvalidToken
|
|
789
|
* @throws NotFound
|
|
790
|
* @throws IOException
|
|
791
|
*/
|
|
792
|
protected void putObject(String pid, String action) throws ServiceFailure, InvalidRequest, JiBXException, InvalidToken, NotAuthorized, IdentifierNotUnique, UnsupportedType, InsufficientResources, InvalidSystemMetadata, NotImplemented, NotFound, IOException {
|
|
793
|
logMetacat.debug("putObject with pid " + pid);
|
|
794
|
logMetacat.debug("Entering putObject: " + pid + "/" + action);
|
|
795
|
|
|
796
|
response.setStatus(200);
|
|
797
|
response.setContentType("text/xml");
|
|
798
|
OutputStream out = response.getOutputStream();
|
|
799
|
|
|
800
|
// Read the incoming data from its Mime Multipart encoding
|
|
801
|
Map<String, File> files = collectMultipartFiles();
|
|
802
|
InputStream object = null;
|
|
803
|
InputStream sysmeta = null;
|
|
804
|
|
|
805
|
File smFile = files.get("sysmeta");
|
|
806
|
sysmeta = new FileInputStream(smFile);
|
|
807
|
File objFile = files.get("object");
|
|
808
|
object = new FileInputStream(objFile);
|
|
809
|
|
|
810
|
if (action.equals(FUNCTION_NAME_INSERT)) {
|
|
811
|
// handle inserts
|
|
812
|
logMetacat.debug("Commence creation...");
|
|
813
|
SystemMetadata smd = (SystemMetadata) deserializeServiceType(SystemMetadata.class, sysmeta);
|
|
814
|
|
|
815
|
Identifier id = new Identifier();
|
|
816
|
id.setValue(pid);
|
|
817
|
logMetacat.debug("creating object with pid " + pid);
|
|
818
|
Identifier rId = MNodeService.getInstance().create(session, id, object, smd);
|
|
819
|
serializeServiceType(Identifier.class, rId, out);
|
|
820
|
|
|
821
|
} else if (action.equals(FUNCTION_NAME_UPDATE)) {
|
|
822
|
// handle updates
|
|
823
|
|
|
824
|
// construct pids
|
|
825
|
Identifier newPid = new Identifier();
|
|
826
|
try {
|
|
827
|
String newPidString = multipartparams.get("newPid").get(0);
|
|
828
|
newPid.setValue(newPidString);
|
|
829
|
} catch (Exception e) {
|
|
830
|
logMetacat.warn("newPid not given");
|
|
831
|
}
|
|
832
|
|
|
833
|
Identifier obsoletedPid = new Identifier();
|
|
834
|
obsoletedPid.setValue(pid);
|
|
835
|
|
|
836
|
logMetacat.debug("Commence update...");
|
|
837
|
|
|
838
|
// get the systemmetadata object
|
|
839
|
SystemMetadata smd = (SystemMetadata) deserializeServiceType(SystemMetadata.class, sysmeta);
|
|
840
|
|
|
841
|
Identifier rId = MNodeService.getInstance().update(session, newPid, object, obsoletedPid, smd);
|
|
842
|
serializeServiceType(Identifier.class, rId, out);
|
|
843
|
} else {
|
|
844
|
throw new InvalidRequest("1000", "Operation must be create or update.");
|
|
845
|
}
|
|
846
|
|
|
847
|
|
|
848
|
}
|
|
849
|
|
|
850
|
/**
|
|
851
|
* Handle delete
|
|
852
|
* @param guid ID of data object to be deleted
|
|
853
|
* @throws IOException
|
|
854
|
* @throws InvalidRequest
|
|
855
|
* @throws NotImplemented
|
|
856
|
* @throws NotFound
|
|
857
|
* @throws NotAuthorized
|
|
858
|
* @throws ServiceFailure
|
|
859
|
* @throws InvalidToken
|
|
860
|
* @throws JiBXException
|
|
861
|
*/
|
|
862
|
private void deleteObject(String guid) throws IOException, InvalidToken, ServiceFailure, NotAuthorized, NotFound, NotImplemented, InvalidRequest, JiBXException
|
|
863
|
{
|
|
864
|
|
|
865
|
OutputStream out = response.getOutputStream();
|
|
866
|
response.setStatus(200);
|
|
867
|
response.setContentType("text/xml");
|
|
868
|
|
|
869
|
Identifier id = new Identifier();
|
|
870
|
id.setValue(guid);
|
|
871
|
|
|
872
|
logMetacat.debug("Calling delete");
|
|
873
|
MNodeService.getInstance().delete(session, id);
|
|
874
|
serializeServiceType(Identifier.class, id, out);
|
|
875
|
|
|
876
|
}
|
|
877
|
|
|
878
|
/**
|
|
879
|
* set the access perms on a document
|
|
880
|
* @throws JiBXException
|
|
881
|
* @throws UnsupportedEncodingException
|
|
882
|
* @throws InvalidRequest
|
|
883
|
* @throws NotImplemented
|
|
884
|
* @throws NotAuthorized
|
|
885
|
* @throws NotFound
|
|
886
|
* @throws ServiceFailure
|
|
887
|
* @throws InvalidToken
|
|
888
|
*/
|
|
889
|
protected void setAccess() throws UnsupportedEncodingException, JiBXException, InvalidToken, ServiceFailure, NotFound, NotAuthorized, NotImplemented, InvalidRequest
|
|
890
|
{
|
|
891
|
|
|
892
|
String guid = params.get("guid")[0];
|
|
893
|
Identifier id = new Identifier();
|
|
894
|
id.setValue(guid);
|
|
895
|
String accesspolicy = params.get("accesspolicy")[0];
|
|
896
|
AccessPolicy accessPolicy = (AccessPolicy) deserializeServiceType(AccessPolicy.class, new ByteArrayInputStream(accesspolicy.getBytes("UTF-8")));
|
|
897
|
MNodeService.getInstance().setAccessPolicy(session, id, accessPolicy);
|
|
898
|
|
|
899
|
|
|
900
|
}
|
|
901
|
|
|
902
|
}
|