/*
* Collection.java
* Copyright (C) 2002 New Zealand Digital Library, http://www.nzdl.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.greenstone.gsdl3.collection;
import org.greenstone.gsdl3.util.*;
import org.greenstone.gsdl3.core.*;
import org.greenstone.gsdl3.service.*;
// java XML classes we're using
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import java.io.*;
import java.util.*;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.xml.sax.*;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import org.apache.log4j.*;
// Apache Commons
import org.apache.commons.lang3.*;
/**
* Represents a collection in Greenstone. A collection is an extension of a
* ServiceCluster - it has local data that the services use.
*
* @author Katherine Don
* @see ModuleInterface
*/
public class Collection extends ServiceCluster
{
static Logger logger = Logger.getLogger(org.greenstone.gsdl3.collection.Collection.class.getName());
/** is this collection being tidied */
protected boolean useBook = false;
/** is this collection public or private */
protected boolean is_public = true;
/** does this collection provide the OAI service */
protected boolean has_oai = true;
/** time when this collection was built */
protected long lastmodified = 0;
/** earliestDatestamp of this collection. Necessary for OAI */
protected long earliestDatestamp = 0;
/** Stores the default accessibility of guest users */
protected boolean _publicAccess = true;
/** Stores the scope of any security rules (either collection or document) */
protected boolean _securityScopeCollection = true;
protected HashMap> _documentSets = new HashMap>();
protected ArrayList>> _securityExceptions = new ArrayList>>();
/**
* An element containing the serviceRackList element of buildConfig.xml,
* used to determine whether it contains the OAIPMH serviceRack
*/
//protected Element service_rack_list = null;
protected XMLTransformer transformer = null;
/** same as setClusterName */
public void setCollectionName(String name)
{
setClusterName(name);
}
public Collection()
{
super();
this.description = this.doc.createElement(GSXML.COLLECTION_ELEM);
}
/**
* Configures the collection.
*
* gsdlHome and collectionName must be set before configure is called.
*
* the file buildcfg.xml is located in gsdlHome/collect/collectionName
* collection metadata is obtained, and services loaded.
*
* @return true/false on success/fail
*/
public boolean configure()
{
if (this.site_home == null || this.cluster_name == null)
{
logger.error("Collection: site_home and collection_name must be set before configure called!");
return false;
}
Element coll_config_xml = loadCollConfigFile();
Element build_config_xml = loadBuildConfigFile();
if (coll_config_xml == null || build_config_xml == null)
{
return false;
}
// get the collection type attribute
Element search = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.SEARCH_ELEM);
if (search != null)
{
col_type = search.getAttribute(GSXML.TYPE_ATT);
}
Element browse = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.INFODB_ELEM);
if (browse != null)
{
db_type = browse.getAttribute(GSXML.TYPE_ATT);
}
else
{
db_type = "gdbm"; //Default database type
}
// process the metadata and display items
findAndLoadInfo(coll_config_xml, build_config_xml);
loadSecurityInformation(coll_config_xml);
// now do the services
configureServiceRacks(coll_config_xml, build_config_xml);
return true;
}
public boolean useBook()
{
return useBook;
}
public boolean isPublic()
{
return is_public;
}
// Not used anymore by the OAIReceptionist to find out the earliest datestamp
// amongst all oai collections in the repository. May be useful generally.
public long getLastmodified()
{
return lastmodified;
}
//used by the OAIReceptionist to find out the earliest datestamp amongst all oai collections in the repository
public long getEarliestDatestamp()
{
return earliestDatestamp;
}
/**
* whether the service_map in ServiceCluster.java contains the service
* 'OAIPMH' 11/06/2007 xiao
*/
public boolean hasOAI()
{
return has_oai;
}
/**
* load in the collection config file into a DOM Element
*/
protected Element loadCollConfigFile()
{
File coll_config_file = new File(GSFile.collectionConfigFile(this.site_home, this.cluster_name));
if (!coll_config_file.exists())
{
logger.error("Collection: couldn't configure collection: " + this.cluster_name + ", " + coll_config_file + " does not exist");
return null;
}
// get the xml for both files
Document coll_config_doc = this.converter.getDOM(coll_config_file, CONFIG_ENCODING);
Element coll_config_elem = null;
if (coll_config_doc != null)
{
coll_config_elem = coll_config_doc.getDocumentElement();
}
return coll_config_elem;
}
/**
* load in the collection build config file into a DOM Element
*/
protected Element loadBuildConfigFile()
{
File build_config_file = new File(GSFile.collectionBuildConfigFile(this.site_home, this.cluster_name));
if (!build_config_file.exists())
{
logger.error("Collection: couldn't configure collection: " + this.cluster_name + ", " + build_config_file + " does not exist");
return null;
}
Document build_config_doc = this.converter.getDOM(build_config_file, CONFIG_ENCODING);
Element build_config_elem = null;
if (build_config_doc != null)
{
build_config_elem = build_config_doc.getDocumentElement();
}
lastmodified = build_config_file.lastModified();
return build_config_elem;
}
/**
* find the metadata and display elems from the two config files and add it
* to the appropriate lists
*/
protected boolean findAndLoadInfo(Element coll_config_xml, Element build_config_xml)
{
Element meta_list = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
addMetadata(meta_list);
meta_list = (Element) GSXML.getChildByTagName(build_config_xml, GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
addMetadata(meta_list);
meta_list = this.doc.createElement(GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
GSXML.addMetadata(this.doc, meta_list, "httpPath", this.site_http_address + "/collect/" + this.cluster_name);
addMetadata(meta_list);
// display stuff
Element display_list = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.DISPLAY_TEXT_ELEM + GSXML.LIST_MODIFIER);
if (display_list != null)
{
resolveMacros(display_list);
addDisplayItems(display_list);
}
//check whether the html are tidy or not
Element import_list = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.IMPORT_ELEM);
if (import_list != null)
{
Element plugin_list = (Element) GSXML.getChildByTagName(import_list, GSXML.PLUGIN_ELEM + GSXML.LIST_MODIFIER);
addPlugins(plugin_list);
if (plugin_list != null)
{
Element plugin_elem = (Element) GSXML.getNamedElement(plugin_list, GSXML.PLUGIN_ELEM, GSXML.NAME_ATT, "HTMLPlugin");
if (plugin_elem != null)
{
//get the option
Element option_elem = (Element) GSXML.getNamedElement(plugin_elem, GSXML.PARAM_OPTION_ELEM, GSXML.NAME_ATT, "-use_realistic_book");
if (option_elem != null)
{
useBook = true;
}
}
}
}
meta_list = this.doc.createElement(GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
if (useBook == true)
GSXML.addMetadata(this.doc, meta_list, "tidyoption", "tidy");
else
GSXML.addMetadata(this.doc, meta_list, "tidyoption", "untidy");
addMetadata(meta_list);
// check whether we are public or not
if (this.metadata_list != null)
{
Element meta_elem = (Element) GSXML.getNamedElement(this.metadata_list, GSXML.METADATA_ELEM, GSXML.NAME_ATT, "public");
if (meta_elem != null)
{
String value = GSXML.getValue(meta_elem).toLowerCase().trim();
if (value.equals("false"))
{
is_public = false;
}
}
}
return true;
}
protected void loadSecurityInformation(Element coll_config_xml)
{
Element securityBlock = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.SECURITY_ELEM);
if(securityBlock == null)
{
return;
}
String scope = securityBlock.getAttribute(GSXML.SCOPE_ATT);
String defaultAccess = securityBlock.getAttribute(GSXML.DEFAULT_ACCESS_ATT);
if (defaultAccess.toLowerCase().equals("public"))
{
_publicAccess = true;
}
else if (defaultAccess.toLowerCase().equals("private"))
{
_publicAccess = false;
}
else
{
logger.warn("Default access for collection " + this.cluster_name + " is neither public or private, assuming public");
}
if (scope.toLowerCase().equals("collection"))
{
_securityScopeCollection = true;
}
else if (scope.toLowerCase().equals("documents") || scope.toLowerCase().equals("document"))
{
_securityScopeCollection = false;
}
else
{
logger.warn("Security scope is neither collection or document, assuming collection");
}
NodeList exceptions = GSXML.getChildrenByTagName(securityBlock, GSXML.EXCEPTION_ELEM);
if (exceptions.getLength() > 0)
{
if (!_securityScopeCollection)
{
NodeList documentSetElems = GSXML.getChildrenByTagName(securityBlock, GSXML.DOCUMENT_SET_ELEM);
for (int i = 0; i < documentSetElems.getLength(); i++)
{
Element documentSet = (Element) documentSetElems.item(i);
String setName = documentSet.getAttribute(GSXML.NAME_ATT);
NodeList matchStatements = GSXML.getChildrenByTagName(documentSet, GSXML.MATCH_ELEM);
ArrayList matchStatementList = new ArrayList();
for (int j = 0; j < matchStatements.getLength(); j++)
{
matchStatementList.add((Element) matchStatements.item(j));
}
_documentSets.put(setName, matchStatementList);
}
}
for (int i = 0; i < exceptions.getLength(); i++)
{
HashMap> securityException = new HashMap>();
ArrayList exceptionGroups = new ArrayList();
ArrayList exceptionSets = new ArrayList();
Element exception = (Element) exceptions.item(i);
NodeList groups = GSXML.getChildrenByTagName(exception, GSXML.GROUP_ELEM);
for (int j = 0; j < groups.getLength(); j++)
{
Element group = (Element) groups.item(j);
String groupName = group.getAttribute(GSXML.NAME_ATT);
exceptionGroups.add(groupName);
}
NodeList docSets = GSXML.getChildrenByTagName(exception, GSXML.DOCUMENT_SET_ELEM);
for (int j = 0; j < docSets.getLength(); j++)
{
Element docSet = (Element) docSets.item(j);
String docSetName = docSet.getAttribute(GSXML.NAME_ATT);
exceptionSets.add(docSetName);
}
securityException.put("groups", exceptionGroups);
securityException.put("sets", exceptionSets);
_securityExceptions.add(securityException);
}
}
}
protected boolean configureServiceRacks(Element coll_config_xml, Element build_config_xml)
{
clearServices();
Element service_list = (Element) GSXML.getChildByTagName(build_config_xml, GSXML.SERVICE_CLASS_ELEM + GSXML.LIST_MODIFIER);
configureServiceRackList(service_list, coll_config_xml);
// collection Config may also contain manually added service racks
service_list = (Element) GSXML.getChildByTagName(coll_config_xml, GSXML.SERVICE_CLASS_ELEM + GSXML.LIST_MODIFIER);
if (service_list != null)
{
configureServiceRackList(service_list, build_config_xml);
// Check for oai
Element oai_service_rack = GSXML.getNamedElement(service_list, GSXML.SERVICE_CLASS_ELEM, OAIXML.NAME, OAIXML.OAIPMH);
if (oai_service_rack == null)
{
has_oai = false;
logger.info("No oai for collection: " + this.cluster_name);
}
else
{
has_oai = true;
// extract earliestDatestamp from the buildconfig.xml for OAI
Element metadata_list = (Element) GSXML.getChildByTagName(build_config_xml, GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER);
if (metadata_list != null)
{
NodeList children = metadata_list.getElementsByTagName(GSXML.METADATA_ELEM);
// can't do getChildNodes(), because whitespace, such as newlines, creates Text nodes
for (int i = 0; i < children.getLength(); i++)
{
Element metadata = (Element) children.item(i);
if (metadata.getAttribute(GSXML.NAME_ATT).equals(OAIXML.EARLIEST_DATESTAMP))
{
String earliestDatestampStr = GSXML.getValue(metadata);
if (!earliestDatestampStr.equals(""))
{
earliestDatestamp = Long.parseLong(earliestDatestampStr);
}
break; // found a metadata element with name=earliestDatestamp in buildconfig
}
}
}
// If at the end of this, there is no value for earliestDatestamp, print out a warning
logger.warn("No earliestDatestamp in buildConfig.xml for collection: " + this.cluster_name + ". Defaulting to 0.");
}
}
else
{ // no list of services (no ServiceRackList), so no oai_service_rack either
// explicitly set has_oai to false here, since it's initialised to true by default
has_oai = false;
}
return true;
}
protected boolean resolveMacros(Element display_list)
{
if (display_list == null)
return false;
NodeList displaynodes = display_list.getElementsByTagName(GSXML.DISPLAY_TEXT_ELEM);
if (displaynodes.getLength() > 0)
{
String http_site = this.site_http_address;
String http_collection = this.site_http_address + "/collect/" + this.cluster_name;
for (int k = 0; k < displaynodes.getLength(); k++)
{
Element d = (Element) displaynodes.item(k);
String text = GSXML.getNodeText(d);
text = StringUtils.replace(text, "_httpsite_", http_site);
text = StringUtils.replace(text, "_httpcollection_", http_collection);
GSXML.setNodeText(d, text);
}
}
return true;
}
/**
* do a configure on only part of the collection
*/
protected boolean configureSubset(String subset)
{
// need the coll config files
Element coll_config_elem = loadCollConfigFile();
Element build_config_elem = loadBuildConfigFile();
if (coll_config_elem == null || build_config_elem == null)
{
// wont be able to do any of the requests
return false;
}
if (subset.equals(GSXML.SERVICE_ELEM + GSXML.LIST_MODIFIER))
{
return configureServiceRacks(coll_config_elem, build_config_elem);
}
if (subset.equals(GSXML.METADATA_ELEM + GSXML.LIST_MODIFIER) || subset.equals(GSXML.DISPLAY_TEXT_ELEM + GSXML.LIST_MODIFIER) || subset.equals(GSXML.PLUGIN_ELEM + GSXML.LIST_MODIFIER))
{
return findAndLoadInfo(coll_config_elem, build_config_elem);
}
logger.error("Collection: cant process system request, configure " + subset);
return false;
}
/**
* handles requests made to the ServiceCluster itself
*
* @param req
* - the request Element-
* @return the result Element - should be
*/
protected Element processMessage(Element request)
{
Element response = this.doc.createElement(GSXML.RESPONSE_ELEM);
response.setAttribute(GSXML.FROM_ATT, this.cluster_name);
String type = request.getAttribute(GSXML.TYPE_ATT);
String lang = request.getAttribute(GSXML.LANG_ATT);
response.setAttribute(GSXML.TYPE_ATT, type);
if (type.equals(GSXML.REQUEST_TYPE_FORMAT_STRING))
{
String subaction = request.getAttribute("subaction");
String service = request.getAttribute("service");
String classifier = null;
if (service.equals("ClassifierBrowse"))
{
classifier = request.getAttribute("classifier");
}
// check for version file
String directory = new File(GSFile.collectionConfigFile(this.site_home, this.cluster_name)).getParent() + File.separator;
String version_filename = "";
if (service.equals("ClassifierBrowse"))
version_filename = directory + "browse_" + classifier + "_format_statement_version.txt";
else
version_filename = directory + "query_format_statement_version.txt";
File version_file = new File(version_filename);
if (subaction.equals("update"))
{
Element format_element = (Element) GSXML.getChildByTagName(request, GSXML.FORMAT_STRING_ELEM);
//String format_string = GSXML.getNodeText(format_element);
Element format_statement = (Element) format_element.getFirstChild();
String version_number = "1";
BufferedWriter writer;
try
{
if (version_file.exists())
{
// Read version
BufferedReader reader = new BufferedReader(new FileReader(version_filename));
version_number = reader.readLine();
int aInt = Integer.parseInt(version_number) + 1;
version_number = Integer.toString(aInt);
reader.close();
}
else
{
// Create
version_file.createNewFile();
writer = new BufferedWriter(new FileWriter(version_filename));
writer.write(version_number);
writer.close();
}
// Write version file
String format_statement_filename = "";
if (service.equals("ClassifierBrowse"))
format_statement_filename = directory + "browse_" + classifier + "_format_statement_v" + version_number + ".txt";
else
format_statement_filename = directory + "query_format_statement_v" + version_number + ".txt";
// Write format statement
String format_string = this.converter.getString(format_statement); //GSXML.xmlNodeToString(format_statement);
writer = new BufferedWriter(new FileWriter(format_statement_filename));
writer.write(format_string);
writer.close();
// Update version number
writer = new BufferedWriter(new FileWriter(version_filename));
writer.write(version_number);
writer.close();
}
catch (IOException e)
{
logger.error("IO Exception " + e);
}
}
if (subaction.equals("saveDocument"))
{
int k;
Element format_element = (Element) GSXML.getChildByTagName(request, GSXML.FORMAT_STRING_ELEM);
//String format_string = GSXML.getNodeText(format_element);
// Get display tag
Element display_format = (Element) format_element.getFirstChild();
String format_string = GSXML.xmlNodeToString(display_format, false);
String collection_config = directory + "collectionConfig.xml";
Document config = this.converter.getDOM(new File(collection_config), "UTF-8");
Node current_node = GSXML.getChildByTagName(config, "CollectionConfig");
// Get display child
if (GSXML.getChildByTagName(current_node, "display") == null)
{
// well then create a format tag
Element display_tag = config.createElement("display");
current_node = (Node) current_node.appendChild(display_tag);
}
else
{
current_node = GSXML.getChildByTagName(current_node, "display");
}
if (GSXML.getChildByTagName(current_node, "format") == null)
{
// well then create a format tag
Element format_tag = config.createElement("format");
current_node.appendChild(format_tag);
}
current_node.replaceChild(config.importNode(display_format, true), GSXML.getChildByTagName(current_node, "format"));
String new_config = this.converter.getString(config);
new_config = StringUtils.replace(new_config, "<", "<");
new_config = StringUtils.replace(new_config, ">", ">");
new_config = StringUtils.replace(new_config, """, "\"");
try
{
// Write to file (not original! for now)
BufferedWriter writer = new BufferedWriter(new FileWriter(collection_config + ".new"));
writer.write(new_config);
writer.close();
}
catch (IOException e)
{
logger.error("IO Exception " + e);
}
}
if (subaction.equals("save"))
{
Element format_element = (Element) GSXML.getChildByTagName(request, GSXML.FORMAT_STRING_ELEM);
Element format_statement = (Element) format_element.getFirstChild();
try
{
// open collectionConfig.xml and read in to w3 Document
String collection_config = directory + "collectionConfig.xml";
Document config = this.converter.getDOM(new File(collection_config), "UTF-8");
//String tag_name = "";
int k;
int index;
Element elem;
// Try importing entire tree to this.doc so we can add and remove children at ease
//Node current_node = this.doc.importNode(GSXML.getChildByTagName(config, "CollectionConfig"),true);
Node current_node = GSXML.getChildByTagName(config, "CollectionConfig");
NodeList current_node_list;
if (service.equals("ClassifierBrowse"))
{
//tag_name = "browse";
// if CLX then need to look in X then
// default is
current_node = GSXML.getChildByTagName(current_node, "browse");
// find CLX
if (classifier != null)
{
current_node_list = GSXML.getChildrenByTagName(current_node, "classifier");
index = Integer.parseInt(classifier.substring(2)) - 1;
// index should be given by X-1
current_node = current_node_list.item(index);
// what if classifier does not have a format tag?
if (GSXML.getChildByTagName(current_node, "format") == null)
{
// well then create a format tag
Element format_tag = config.createElement("format");
current_node.appendChild(format_tag);
}
}
else
{
// To support all classifiers, set classifier to null? There is the chance here that the format tag does not exist
if (GSXML.getChildByTagName(current_node, "format") == null)
{
// well then create a format tag
Element format_tag = config.createElement("format");
current_node.appendChild(format_tag);
}
}
}
else if (service.equals("AllClassifierBrowse"))
{
current_node = GSXML.getChildByTagName(current_node, "browse");
if (GSXML.getChildByTagName(current_node, "format") == null)
{
// well then create a format tag
Element format_tag = config.createElement("format");
current_node.appendChild(format_tag);
}
}
else
{
// look in with no attributes
current_node_list = GSXML.getChildrenByTagName(current_node, "search");
for (k = 0; k < current_node_list.getLength(); k++)
{
current_node = current_node_list.item(k);
// if current_node has no attributes then break
elem = (Element) current_node;
if (elem.hasAttribute("name") == false)
break;
}
}
current_node.replaceChild(config.importNode(format_statement, true), GSXML.getChildByTagName(current_node, "format"));
// Now convert config document to string for writing to file
String new_config = this.converter.getString(config);
new_config = StringUtils.replace(new_config, "<", "<");
new_config = StringUtils.replace(new_config, ">", ">");
new_config = StringUtils.replace(new_config, """, "\"");
// Write to file (not original! for now)
BufferedWriter writer = new BufferedWriter(new FileWriter(collection_config + ".new"));
writer.write(new_config);
writer.close();
}
catch (Exception ex)
{
logger.error("There was an exception " + ex);
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
ex.printStackTrace(pw);
pw.flush();
sw.flush();
logger.error(sw.toString());
}
}
}
else if (type.equals(GSXML.REQUEST_TYPE_SECURITY))
{
String oid = request.getAttribute("oid");
if(oid.contains("."))
{
oid = oid.substring(0, oid.indexOf("."));
}
ArrayList groups = getPermittedGroups(oid);
Element groupList = this.doc.createElement(GSXML.GROUP_ELEM + GSXML.LIST_MODIFIER);
response.appendChild(groupList);
for(String groupName : groups)
{
Element group = this.doc.createElement(GSXML.GROUP_ELEM);
groupList.appendChild(group);
group.setAttribute(GSXML.NAME_ATT, groupName);
}
}
else
{ // unknown type
return super.processMessage(request);
}
return response;
}
protected ArrayList getPermittedGroups(String oid)
{
ArrayList groups = new ArrayList();
if (_securityScopeCollection)
{
if (_publicAccess)
{
groups.add("");
}
else
{
for (HashMap> exception : _securityExceptions)
{
for (String group : exception.get("groups"))
{
groups.add(group);
}
}
}
}
else
{
if(oid != null && !oid.equals(""))
{
boolean inSet = false;
for (HashMap> exception : _securityExceptions)
{
for (String setName : exception.get("sets"))
{
if (documentIsInSet(oid, setName))
{
inSet = true;
for (String group : exception.get("groups"))
{
groups.add(group);
}
}
}
}
if(!inSet && _publicAccess)
{
groups.add("");
}
}
else
{
groups.add("");
}
}
return groups;
}
protected boolean documentIsInSet(String oid, String setName)
{
ArrayList matchStatements = _documentSets.get(setName);
if (matchStatements == null || matchStatements.size() == 0)
{
return false;
}
for (Element currentMatchStatement : matchStatements)
{
String fieldName = currentMatchStatement.getAttribute(GSXML.FIELD_ATT);
if (fieldName == null || fieldName.equals(""))
{
fieldName = "oid";
}
String type = currentMatchStatement.getAttribute(GSXML.TYPE_ATT);
if (type == null || type.equals(""))
{
type = "match";
}
String fieldValue = "";
if (!fieldName.equals("oid"))
{
fieldValue = getFieldValue(oid, fieldName);
if(fieldValue == null)
{
return false;
}
}
else
{
fieldValue = oid;
}
String matchValue = GSXML.getNodeText(currentMatchStatement);
if (type.equals("match"))
{
if(matchValue.equals(fieldValue))
{
return true;
}
}
else if (type.equals("regex"))
{
if(fieldValue.matches(matchValue))
{
return true;
}
}
else
{
logger.warn("Unknown type of match specified in security block of collection " + this.cluster_name + ".");
}
}
return false;
}
protected String getFieldValue(String oid, String fieldName)
{
Element metadataMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
Element metadataRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PROCESS, this.cluster_name + "/DocumentMetadataRetrieve", new UserContext());
metadataMessage.appendChild(metadataRequest);
Element paramList = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
metadataRequest.appendChild(paramList);
Element param = this.doc.createElement(GSXML.PARAM_ELEM);
paramList.appendChild(param);
param.setAttribute(GSXML.NAME_ATT, "metadata");
param.setAttribute(GSXML.VALUE_ATT, fieldName);
Element docList = this.doc.createElement(GSXML.DOC_NODE_ELEM + GSXML.LIST_MODIFIER);
metadataRequest.appendChild(docList);
Element doc = this.doc.createElement(GSXML.DOC_NODE_ELEM);
docList.appendChild(doc);
doc.setAttribute(GSXML.NODE_ID_ATT, oid);
Element response = (Element) this.router.process(metadataMessage);
NodeList metadataElems = response.getElementsByTagName(GSXML.METADATA_ELEM);
if(metadataElems.getLength() > 0)
{
Element metadata = (Element) metadataElems.item(0);
return GSXML.getNodeText(metadata);
}
return null;
}
}