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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: 2011-09-20 11:55:30 -0700 (Tue, 20 Sep 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.util.Date;
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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.UnsupportedType;
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import org.dataone.service.types.v1.AccessPolicy;
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import org.dataone.service.types.v1.Checksum;
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import org.dataone.service.types.v1.Event;
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import org.dataone.service.types.v1.Identifier;
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import org.dataone.service.types.v1.Log;
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import org.dataone.service.types.v1.ObjectFormat;
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import org.dataone.service.types.v1.ObjectFormatIdentifier;
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import org.dataone.service.types.v1.ObjectFormatList;
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import org.dataone.service.types.v1.ObjectLocationList;
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import org.dataone.service.types.v1.Permission;
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import org.dataone.service.types.v1.Subject;
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import org.dataone.service.types.v1.SystemMetadata;
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import org.dataone.service.util.DateTimeMarshaller;
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import org.dataone.service.util.TypeMarshaller;
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import org.jibx.runtime.JiBXException;
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import edu.ucsb.nceas.metacat.dataone.CNodeService;
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/**
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* CN REST service implementation handler
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*
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* ******************
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CNCore -- DONE
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create() - POST /d1/cn/object/PID
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listFormats() - GET /d1/cn/formats
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getFormat() - GET /d1/cn/formats/FMTID
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getLogRecords - GET /d1/cn/log
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reserveIdentifier() - POST /d1/cn/reserve
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listNodes() - Not implemented
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registerSystemMetadata() - POST /d1/meta/PID
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CNRead -- DONE
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get() - GET /d1/cn/object/PID
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getSystemMetadata() - GET /d1/cn/meta/PID
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resolve() - GET /d1/cn/resolve/PID
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assertRelation() - GET /d1/cn/assertRelation/PID
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getChecksum() - GET /d1/cn/checksum
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search() - Not implemented in Metacat
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CNAuthorization
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setOwner() - PUT /d1/cn/owner/PID
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isAuthorized() - GET /d1/cn/isAuthorized/PID
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setAccessPolicy() - POST /d1/cn/accessRules
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CNIdentity - not implemented at all on Metacat
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CNReplication
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setReplicationStatus() - Not exposed
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updateReplicationMetadata() - New method?
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setReplicationPolicy() - Not exposed
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CNRegister -- not implemented at all in Metacat
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* ******************
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* @author leinfelder
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*
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*/
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public class CNResourceHandler extends D1ResourceHandler {
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/** CN-specific operations **/
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protected static final String RESOURCE_RESERVE = "reserve";
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protected static final String RESOURCE_FORMATS = "formats";
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protected static final String RESOURCE_RESOLVE = "resolve";
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protected static final String RESOURCE_ASSERT_RELATION = "assertRelation";
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protected static final String RESOURCE_OWNER = "owner";
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protected static final String RESOURCE_NOTIFY = "notify";
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protected static final String RESOURCE_META_REPLICATION = "meta/replication";
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protected static final String RESOURCE_META_POLICY = "meta/policy";
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public CNResourceHandler(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(CNResourceHandler.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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// get the resource
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String resource = request.getPathInfo();
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resource = resource.substring(resource.indexOf("/") + 1);
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// for the rest of the resouce
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String extra = null;
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logMetacat.debug("handling verb " + httpVerb + " request with resource '" + resource + "'");
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boolean status = false;
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if (resource != null) {
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if (resource.startsWith(RESOURCE_ACCESS_RULES) && httpVerb == PUT) {
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logMetacat.debug("Setting access policy");
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setAccess();
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status = true;
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logMetacat.debug("done setting access");
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} else if (resource.startsWith(RESOURCE_META)) {
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logMetacat.debug("Using resource: " + RESOURCE_META);
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// after the command
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extra = parseTrailing(resource, RESOURCE_META);
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// get
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if (httpVerb == GET) {
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getSystemMetadataObject(extra);
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status = true;
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}
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// post to register system metadata
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if (httpVerb == POST) {
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registerSystemMetadata(extra);
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_RESERVE)) {
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// reserve the ID (in params)
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if (httpVerb == POST) {
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reserve();
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_ASSERT_RELATION)) {
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// after the command
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extra = parseTrailing(resource, RESOURCE_ASSERT_RELATION);
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// reserve the ID (in params)
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if (httpVerb == GET) {
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assertRelation(extra);
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_RESOLVE)) {
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// after the command
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extra = parseTrailing(resource, RESOURCE_RESOLVE);
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// resolve the object location
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if (httpVerb == GET) {
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resolve(extra);
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_OWNER)) {
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// after the command
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extra = parseTrailing(resource, RESOURCE_OWNER);
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// set the owner
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if (httpVerb == PUT) {
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owner(extra);
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_IS_AUTHORIZED)) {
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// after the command
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extra = parseTrailing(resource, RESOURCE_IS_AUTHORIZED);
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// authorized?
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if (httpVerb == GET) {
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isAuthorized(extra);
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_OBJECTS)) {
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logMetacat.debug("Using resource 'object'");
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logMetacat.debug("D1 Rest: Starting resource processing...");
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// after the command
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extra = parseTrailing(resource, RESOURCE_OBJECTS);
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logMetacat.debug("objectId: " + extra);
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logMetacat.debug("verb:" + httpVerb);
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if (httpVerb == GET) {
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if (extra != null) {
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getObject(extra);
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} else {
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query();
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}
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status = true;
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} else if (httpVerb == POST) {
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putObject(extra, FUNCTION_NAME_INSERT);
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_FORMATS)) {
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logMetacat.debug("Using resource: " + RESOURCE_FORMATS);
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// after the command
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extra = parseTrailing(resource, RESOURCE_FORMATS);
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// handle each verb
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if (httpVerb == GET) {
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if (extra == null) {
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// list the formats collection
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listFormats();
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} else {
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// get the specified format
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getFormat(extra);
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}
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status = true;
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}
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} else if (resource.startsWith(RESOURCE_LOG)) {
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logMetacat.debug("Using resource: " + 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.startsWith(RESOURCE_CHECKSUM)) {
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logMetacat.debug("Using resource: " + RESOURCE_CHECKSUM);
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// after the command
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extra = parseTrailing(resource, RESOURCE_CHECKSUM);
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//handle checksum requests
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if (httpVerb == GET) {
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checksum(extra);
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status = true;
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}
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}
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if (!status) {
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throw new ServiceFailure("0000", "Unknown error, status = " + status);
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}
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} else {
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throw new InvalidRequest("0000", "No resource matched for " + resource);
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}
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} catch (BaseException be) {
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// report Exceptions as clearly and generically 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 ioe) {
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logMetacat.error("Could not get output stream from response", ioe);
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}
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serializeException(be, out);
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} catch (Exception e) {
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// report Exceptions as clearly and generically as possible
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logMetacat.error(e.getClass() + ": " + e.getMessage(), e);
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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 ioe) {
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logMetacat.error("Could not get output stream from response", ioe);
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}
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ServiceFailure se = new ServiceFailure("0000", e.getMessage());
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serializeException(se, out);
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}
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}
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private String parseTrailing(String resource, String token) {
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// get the rest
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String extra = null;
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if (resource.indexOf(token) != -1) {
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// what comes after the token?
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extra = resource.substring(resource.indexOf(token) + token.length());
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// remove the slash
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if (extra.startsWith("/")) {
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extra = extra.substring(1);
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}
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// is there anything left?
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if (extra.length() == 0) {
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extra = null;
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}
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325
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}
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return extra;
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}
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328
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|
329
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/**
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* Get the checksum for the given guid
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*
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* @param guid
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* @throws NotImplemented
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* @throws InvalidRequest
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* @throws NotFound
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* @throws NotAuthorized
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* @throws ServiceFailure
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* @throws InvalidToken
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* @throws IOException
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* @throws JiBXException
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341
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*/
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342
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private void checksum(String guid) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest, NotImplemented, JiBXException, IOException {
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343
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Identifier guidid = new Identifier();
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guidid.setValue(guid);
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logMetacat.debug("getting checksum for object " + guid);
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Checksum c = CNodeService.getInstance().getChecksum(session, guidid);
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logMetacat.debug("got checksum " + c.getValue());
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response.setStatus(200);
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logMetacat.debug("serializing response");
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350
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TypeMarshaller.marshalTypeToOutputStream(c, response.getOutputStream());
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351
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logMetacat.debug("done serializing response.");
|
352
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|
353
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}
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354
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|
355
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/**
|
356
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* get the logs based on passed params. Available
|
357
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* params are token, fromDate, toDate, event. See
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358
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* http://mule1.dataone.org/ArchitectureDocs/mn_api_crud.html#MN_crud.getLogRecords
|
359
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* for more info
|
360
|
* @throws NotImplemented
|
361
|
* @throws InvalidRequest
|
362
|
* @throws NotAuthorized
|
363
|
* @throws ServiceFailure
|
364
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* @throws InvalidToken
|
365
|
* @throws IOException
|
366
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* @throws JiBXException
|
367
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*/
|
368
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private void getLog() throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest, NotImplemented, IOException, JiBXException
|
369
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{
|
370
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|
371
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Date fromDate = null;
|
372
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Date toDate = null;
|
373
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Event event = null;
|
374
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Integer start = null;
|
375
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Integer count = null;
|
376
|
|
377
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try {
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378
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String fromDateS = params.get("fromDate")[0];
|
379
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logMetacat.debug("param fromDateS: " + fromDateS);
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380
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fromDate = DateTimeMarshaller.deserializeDateToUTC(fromDateS);
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381
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} catch (Exception e) {
|
382
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logMetacat.warn("Could not parse fromDate: " + e.getMessage());
|
383
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}
|
384
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try {
|
385
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String toDateS = params.get("toDate")[0];
|
386
|
logMetacat.debug("param toDateS: " + toDateS);
|
387
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toDate = DateTimeMarshaller.deserializeDateToUTC(toDateS);
|
388
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} catch (Exception e) {
|
389
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logMetacat.warn("Could not parse toDate: " + e.getMessage());
|
390
|
}
|
391
|
try {
|
392
|
String eventS = params.get("event")[0];
|
393
|
event = Event.convert(eventS);
|
394
|
} catch (Exception e) {
|
395
|
logMetacat.warn("Could not parse event: " + e.getMessage());
|
396
|
}
|
397
|
logMetacat.debug("fromDate: " + fromDate + " toDate: " + toDate);
|
398
|
|
399
|
try {
|
400
|
start = Integer.parseInt(params.get("start")[0]);
|
401
|
} catch (Exception e) {
|
402
|
logMetacat.warn("Could not parse start: " + e.getMessage());
|
403
|
}
|
404
|
try {
|
405
|
count = Integer.parseInt(params.get("count")[0]);
|
406
|
} catch (Exception e) {
|
407
|
logMetacat.warn("Could not parse count: " + e.getMessage());
|
408
|
}
|
409
|
|
410
|
logMetacat.debug("calling getLogRecords");
|
411
|
Log log = CNodeService.getInstance().getLogRecords(session, fromDate, toDate, event, start, count);
|
412
|
|
413
|
OutputStream out = response.getOutputStream();
|
414
|
response.setStatus(200);
|
415
|
response.setContentType("text/xml");
|
416
|
|
417
|
TypeMarshaller.marshalTypeToOutputStream(log, out);
|
418
|
|
419
|
}
|
420
|
|
421
|
/**
|
422
|
* Implements REST version of DataONE CRUD API --> get
|
423
|
* @param guid ID of data object to be read
|
424
|
* @throws NotImplemented
|
425
|
* @throws InvalidRequest
|
426
|
* @throws NotFound
|
427
|
* @throws NotAuthorized
|
428
|
* @throws ServiceFailure
|
429
|
* @throws InvalidToken
|
430
|
* @throws IOException
|
431
|
*/
|
432
|
protected void getObject(String guid) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest, NotImplemented, IOException {
|
433
|
|
434
|
Identifier id = new Identifier();
|
435
|
id.setValue(guid);
|
436
|
|
437
|
SystemMetadata sm = CNodeService.getInstance().getSystemMetadata(session, id);
|
438
|
|
439
|
//set the content type
|
440
|
if(sm.getFmtid().getValue().trim().equals(
|
441
|
ObjectFormatCache.getInstance().getFormat("text/csv").getFmtid().getValue()))
|
442
|
{
|
443
|
response.setContentType("text/csv");
|
444
|
response.setHeader("Content-Disposition", "inline; filename=" + id.getValue() + ".csv");
|
445
|
}
|
446
|
else if(sm.getFmtid().getValue().trim().equals(
|
447
|
ObjectFormatCache.getInstance().getFormat("text/plain").getFmtid().getValue()))
|
448
|
{
|
449
|
response.setContentType("text/plain");
|
450
|
response.setHeader("Content-Disposition", "inline; filename=" + id.getValue() + ".txt");
|
451
|
}
|
452
|
else if(sm.getFmtid().getValue().trim().equals(
|
453
|
ObjectFormatCache.getInstance().getFormat("application/octet-stream").getFmtid().getValue()))
|
454
|
{
|
455
|
response.setContentType("application/octet-stream");
|
456
|
}
|
457
|
else
|
458
|
{
|
459
|
response.setContentType("text/xml");
|
460
|
response.setHeader("Content-Disposition", "inline; filename=" + id.getValue() + ".xml");
|
461
|
}
|
462
|
|
463
|
InputStream data = CNodeService.getInstance().get(session, id);
|
464
|
|
465
|
OutputStream out = response.getOutputStream();
|
466
|
response.setStatus(200);
|
467
|
IOUtils.copyLarge(data, out);
|
468
|
|
469
|
}
|
470
|
|
471
|
|
472
|
/**
|
473
|
* Implements REST version of DataONE CRUD API --> getSystemMetadata
|
474
|
* @param guid ID of data object to be read
|
475
|
* @throws NotImplemented
|
476
|
* @throws InvalidRequest
|
477
|
* @throws NotFound
|
478
|
* @throws NotAuthorized
|
479
|
* @throws ServiceFailure
|
480
|
* @throws InvalidToken
|
481
|
* @throws IOException
|
482
|
* @throws JiBXException
|
483
|
*/
|
484
|
protected void getSystemMetadataObject(String guid) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest, NotImplemented, IOException, JiBXException {
|
485
|
|
486
|
Identifier id = new Identifier();
|
487
|
id.setValue(guid);
|
488
|
SystemMetadata sysmeta = CNodeService.getInstance().getSystemMetadata(session, id);
|
489
|
|
490
|
response.setContentType("text/xml");
|
491
|
response.setStatus(200);
|
492
|
OutputStream out = response.getOutputStream();
|
493
|
|
494
|
// Serialize and write it to the output stream
|
495
|
TypeMarshaller.marshalTypeToOutputStream(sysmeta, out);
|
496
|
}
|
497
|
|
498
|
/**
|
499
|
* Earthgrid API > Put Service >Put Function : calls MetacatHandler > handleInsertOrUpdateAction
|
500
|
*
|
501
|
* @param guid - ID of data object to be inserted or updated. If action is update, the pid
|
502
|
* is the existing pid. If insert, the pid is the new one
|
503
|
* @throws InvalidRequest
|
504
|
* @throws ServiceFailure
|
505
|
* @throws IdentifierNotUnique
|
506
|
* @throws JiBXException
|
507
|
* @throws NotImplemented
|
508
|
* @throws InvalidSystemMetadata
|
509
|
* @throws InsufficientResources
|
510
|
* @throws UnsupportedType
|
511
|
* @throws NotAuthorized
|
512
|
* @throws InvalidToken
|
513
|
* @throws IOException
|
514
|
* @throws IllegalAccessException
|
515
|
* @throws InstantiationException
|
516
|
*/
|
517
|
protected void putObject(String pid, String action) throws ServiceFailure, InvalidRequest, IdentifierNotUnique, JiBXException, InvalidToken, NotAuthorized, UnsupportedType, InsufficientResources, InvalidSystemMetadata, NotImplemented, IOException, InstantiationException, IllegalAccessException {
|
518
|
logMetacat.debug("Entering putObject: " + pid + "/" + action);
|
519
|
|
520
|
// Read the incoming data from its Mime Multipart encoding
|
521
|
Map<String, File> files = collectMultipartFiles();
|
522
|
InputStream object = null;
|
523
|
InputStream sysmeta = null;
|
524
|
|
525
|
File smFile = files.get("sysmeta");
|
526
|
sysmeta = new FileInputStream(smFile);
|
527
|
File objFile = files.get("object");
|
528
|
object = new FileInputStream(objFile);
|
529
|
|
530
|
if (action.equals(FUNCTION_NAME_INSERT)) { //handle inserts
|
531
|
|
532
|
logMetacat.debug("Commence creation...");
|
533
|
SystemMetadata smd = TypeMarshaller.unmarshalTypeFromStream(SystemMetadata.class, sysmeta);
|
534
|
|
535
|
Identifier id = new Identifier();
|
536
|
id.setValue(pid);
|
537
|
logMetacat.debug("creating object with pid " + id.getValue());
|
538
|
Identifier rId = CNodeService.getInstance().create(session, id, object, smd);
|
539
|
|
540
|
OutputStream out = response.getOutputStream();
|
541
|
response.setStatus(200);
|
542
|
response.setContentType("text/xml");
|
543
|
|
544
|
TypeMarshaller.marshalTypeToOutputStream(rId, out);
|
545
|
|
546
|
} else {
|
547
|
throw new InvalidRequest("1000", "Operation must be create.");
|
548
|
}
|
549
|
}
|
550
|
|
551
|
/**
|
552
|
* List the object formats registered with the system
|
553
|
* @throws NotImplemented
|
554
|
* @throws InsufficientResources
|
555
|
* @throws NotFound
|
556
|
* @throws ServiceFailure
|
557
|
* @throws InvalidRequest
|
558
|
* @throws IOException
|
559
|
* @throws JiBXException
|
560
|
*/
|
561
|
private void listFormats() throws InvalidRequest, ServiceFailure, NotFound, InsufficientResources, NotImplemented, IOException, JiBXException {
|
562
|
logMetacat.debug("Entering listFormats()");
|
563
|
|
564
|
ObjectFormatList objectFormatList = CNodeService.getInstance().listFormats();
|
565
|
// get the response output stream
|
566
|
OutputStream out = response.getOutputStream();
|
567
|
response.setStatus(200);
|
568
|
response.setContentType("text/xml");
|
569
|
|
570
|
TypeMarshaller.marshalTypeToOutputStream(objectFormatList, out);
|
571
|
|
572
|
}
|
573
|
|
574
|
/**
|
575
|
* Return the requested object format
|
576
|
*
|
577
|
* @param fmtidStr the requested format identifier as a string
|
578
|
* @throws NotImplemented
|
579
|
* @throws InsufficientResources
|
580
|
* @throws NotFound
|
581
|
* @throws ServiceFailure
|
582
|
* @throws InvalidRequest
|
583
|
* @throws IOException
|
584
|
* @throws JiBXException
|
585
|
*/
|
586
|
private void getFormat(String fmtidStr) throws InvalidRequest, ServiceFailure, NotFound, InsufficientResources, NotImplemented, IOException, JiBXException {
|
587
|
logMetacat.debug("Entering listFormats()");
|
588
|
|
589
|
ObjectFormatIdentifier fmtid = new ObjectFormatIdentifier();
|
590
|
fmtid.setValue(fmtidStr);
|
591
|
|
592
|
// get the specified object format
|
593
|
ObjectFormat objectFormat = CNodeService.getInstance().getFormat(fmtid);
|
594
|
|
595
|
OutputStream out = response.getOutputStream();
|
596
|
response.setStatus(200);
|
597
|
response.setContentType("text/xml");
|
598
|
|
599
|
TypeMarshaller.marshalTypeToOutputStream(objectFormat, out);
|
600
|
|
601
|
}
|
602
|
|
603
|
/**
|
604
|
* Reserve the given Identifier
|
605
|
* @throws InvalidToken
|
606
|
* @throws ServiceFailure
|
607
|
* @throws NotAuthorized
|
608
|
* @throws IdentifierNotUnique
|
609
|
* @throws NotImplemented
|
610
|
* @throws InvalidRequest
|
611
|
* @throws IOException
|
612
|
* @throws JiBXException
|
613
|
*/
|
614
|
private void reserve() throws InvalidToken, ServiceFailure, NotAuthorized, IdentifierNotUnique, NotImplemented, InvalidRequest, IOException, JiBXException {
|
615
|
Identifier pid = null;
|
616
|
String scope = null;
|
617
|
String format = null;
|
618
|
// gather the params
|
619
|
try {
|
620
|
String id = params.get("pid")[0];
|
621
|
pid = new Identifier();
|
622
|
pid.setValue(id);
|
623
|
} catch (Exception e) {
|
624
|
logMetacat.warn("pid not specified");
|
625
|
}
|
626
|
try {
|
627
|
scope = params.get("scope")[0];
|
628
|
} catch (Exception e) {
|
629
|
logMetacat.warn("pid not specified");
|
630
|
}
|
631
|
try {
|
632
|
format = params.get("format")[0];
|
633
|
} catch (Exception e) {
|
634
|
logMetacat.warn("pid not specified");
|
635
|
}
|
636
|
// call the implementation
|
637
|
boolean result = CNodeService.getInstance().reserveIdentifier(session, pid);
|
638
|
OutputStream out = response.getOutputStream();
|
639
|
response.setStatus(200);
|
640
|
response.setContentType("text/xml");
|
641
|
// nothing to send back
|
642
|
}
|
643
|
|
644
|
/**
|
645
|
*
|
646
|
* @param id
|
647
|
* @throws InvalidRequest
|
648
|
* @throws InvalidToken
|
649
|
* @throws ServiceFailure
|
650
|
* @throws NotAuthorized
|
651
|
* @throws NotFound
|
652
|
* @throws NotImplemented
|
653
|
* @throws IOException
|
654
|
* @throws JiBXException
|
655
|
*/
|
656
|
private void resolve(String id) throws InvalidRequest, InvalidToken, ServiceFailure, NotAuthorized, NotFound, NotImplemented, IOException, JiBXException {
|
657
|
Identifier pid = new Identifier();
|
658
|
pid.setValue(id);
|
659
|
ObjectLocationList locationList = CNodeService.getInstance().resolve(session, pid);
|
660
|
OutputStream out = response.getOutputStream();
|
661
|
response.setStatus(200);
|
662
|
response.setContentType("text/xml");
|
663
|
TypeMarshaller.marshalTypeToOutputStream(locationList, out);
|
664
|
|
665
|
}
|
666
|
|
667
|
/**
|
668
|
* Assert that a relationship exists between two resources
|
669
|
* @param id
|
670
|
* @return
|
671
|
* @throws InvalidToken
|
672
|
* @throws ServiceFailure
|
673
|
* @throws NotAuthorized
|
674
|
* @throws NotFound
|
675
|
* @throws InvalidRequest
|
676
|
* @throws NotImplemented
|
677
|
*/
|
678
|
private boolean assertRelation(String id) throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, InvalidRequest, NotImplemented {
|
679
|
Identifier pidOfSubject = new Identifier();
|
680
|
pidOfSubject.setValue(id);
|
681
|
String relationship = null;
|
682
|
try {
|
683
|
relationship = params.get("relationship")[0];
|
684
|
} catch (Exception e) {
|
685
|
logMetacat.warn("relationship not specified");
|
686
|
}
|
687
|
Identifier pidOfObject = new Identifier();
|
688
|
try {
|
689
|
String objPid = params.get("pidOfObject")[0];
|
690
|
pidOfObject.setValue(objPid);
|
691
|
} catch (Exception e) {
|
692
|
logMetacat.warn("pidOfObject not specified");
|
693
|
}
|
694
|
boolean result = CNodeService.getInstance().assertRelation(session, pidOfSubject, relationship, pidOfObject);
|
695
|
response.setStatus(200);
|
696
|
response.setContentType("text/xml");
|
697
|
return result;
|
698
|
}
|
699
|
|
700
|
/**
|
701
|
* Set the owner of a resource
|
702
|
* @param id
|
703
|
* @throws JiBXException
|
704
|
* @throws InvalidToken
|
705
|
* @throws ServiceFailure
|
706
|
* @throws NotFound
|
707
|
* @throws NotAuthorized
|
708
|
* @throws NotImplemented
|
709
|
* @throws InvalidRequest
|
710
|
* @throws IOException
|
711
|
* @throws IllegalAccessException
|
712
|
* @throws InstantiationException
|
713
|
*/
|
714
|
private void owner(String id) throws JiBXException, InvalidToken, ServiceFailure, NotFound, NotAuthorized, NotImplemented, InvalidRequest, IOException, InstantiationException, IllegalAccessException {
|
715
|
Identifier pid = new Identifier();
|
716
|
pid.setValue(id);
|
717
|
String subjectStr = params.get("subject")[0];
|
718
|
Subject subject = TypeMarshaller.unmarshalTypeFromStream(Subject.class, new ByteArrayInputStream(subjectStr.getBytes("UTF-8")));
|
719
|
Identifier retPid = CNodeService.getInstance().setOwner(session, pid, subject);
|
720
|
OutputStream out = response.getOutputStream();
|
721
|
response.setStatus(200);
|
722
|
response.setContentType("text/xml");
|
723
|
TypeMarshaller.marshalTypeToOutputStream(retPid, out);
|
724
|
}
|
725
|
|
726
|
/**
|
727
|
* Processes the authorization check for given id
|
728
|
* @param id
|
729
|
* @return
|
730
|
* @throws ServiceFailure
|
731
|
* @throws InvalidToken
|
732
|
* @throws NotFound
|
733
|
* @throws NotAuthorized
|
734
|
* @throws NotImplemented
|
735
|
* @throws InvalidRequest
|
736
|
*/
|
737
|
private boolean isAuthorized(String id) throws ServiceFailure, InvalidToken, NotFound, NotAuthorized, NotImplemented, InvalidRequest {
|
738
|
Identifier pid = new Identifier();
|
739
|
pid.setValue(id);
|
740
|
String permission = params.get("permission")[0];
|
741
|
boolean result = CNodeService.getInstance().isAuthorized(session, pid, Permission.convert(permission));
|
742
|
response.setStatus(200);
|
743
|
response.setContentType("text/xml");
|
744
|
return result;
|
745
|
}
|
746
|
|
747
|
/**
|
748
|
* Register System Metadata without data or metadata object
|
749
|
* @param pid identifier for System Metadata entry
|
750
|
* @throws JiBXException
|
751
|
* @throws FileUploadException
|
752
|
* @throws IOException
|
753
|
* @throws InvalidRequest
|
754
|
* @throws ServiceFailure
|
755
|
* @throws InvalidSystemMetadata
|
756
|
* @throws NotAuthorized
|
757
|
* @throws NotImplemented
|
758
|
* @throws IllegalAccessException
|
759
|
* @throws InstantiationException
|
760
|
*/
|
761
|
protected Identifier registerSystemMetadata(String pid) throws ServiceFailure, InvalidRequest, IOException, FileUploadException, JiBXException, NotImplemented, NotAuthorized, InvalidSystemMetadata, InstantiationException, IllegalAccessException {
|
762
|
logMetacat.debug("Entering registerSystemMetadata: " + pid);
|
763
|
|
764
|
// get the system metadata from the request
|
765
|
SystemMetadata systemMetadata = collectSystemMetadata();
|
766
|
|
767
|
Identifier guid = new Identifier();
|
768
|
guid.setValue(pid);
|
769
|
logMetacat.debug("registering system metadata with pid " + guid.getValue());
|
770
|
Identifier retGuid = CNodeService.getInstance().registerSystemMetadata(session, guid, systemMetadata);
|
771
|
|
772
|
response.setStatus(200);
|
773
|
response.setContentType("text/xml");
|
774
|
return retGuid;
|
775
|
|
776
|
}
|
777
|
|
778
|
/**
|
779
|
* set the access perms on a document
|
780
|
* @throws JiBXException
|
781
|
* @throws InvalidRequest
|
782
|
* @throws NotImplemented
|
783
|
* @throws NotAuthorized
|
784
|
* @throws NotFound
|
785
|
* @throws ServiceFailure
|
786
|
* @throws InvalidToken
|
787
|
* @throws IllegalAccessException
|
788
|
* @throws InstantiationException
|
789
|
* @throws IOException
|
790
|
*/
|
791
|
protected void setAccess() throws JiBXException, InvalidToken, ServiceFailure, NotFound, NotAuthorized, NotImplemented, InvalidRequest, IOException, InstantiationException, IllegalAccessException {
|
792
|
|
793
|
String guid = params.get("guid")[0];
|
794
|
Identifier id = new Identifier();
|
795
|
id.setValue(guid);
|
796
|
String accesspolicy = params.get("accesspolicy")[0];
|
797
|
AccessPolicy accessPolicy = TypeMarshaller.unmarshalTypeFromStream(AccessPolicy.class, new ByteArrayInputStream(accesspolicy.getBytes("UTF-8")));
|
798
|
CNodeService.getInstance().setAccessPolicy(session, id, accessPolicy);
|
799
|
|
800
|
}
|
801
|
|
802
|
/**
|
803
|
* Pass to the CN search service
|
804
|
*
|
805
|
* @throws NotImplemented
|
806
|
* @throws InvalidRequest
|
807
|
* @throws NotAuthorized
|
808
|
* @throws ServiceFailure
|
809
|
* @throws InvalidToken
|
810
|
* @throws Exception
|
811
|
*/
|
812
|
private void query() throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest, NotImplemented {
|
813
|
|
814
|
String query = null;
|
815
|
String queryType = null;
|
816
|
try {
|
817
|
query = params.get("query")[0];
|
818
|
} catch (Exception e) {
|
819
|
logMetacat.warn("query not specified");
|
820
|
}
|
821
|
try {
|
822
|
String qt = params.get("queryType")[0];
|
823
|
queryType = qt;
|
824
|
} catch (Exception e) {
|
825
|
logMetacat.warn("queryType not specified");
|
826
|
}
|
827
|
|
828
|
// expecting to throw NotImplemented
|
829
|
CNodeService.getInstance().search(session, queryType, query);
|
830
|
}
|
831
|
|
832
|
}
|