/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.translator.ldap;
import java.util.List;
import javax.naming.ldap.LdapContext;
import javax.resource.cci.ConnectionFactory;
import org.teiid.language.Argument;
import org.teiid.language.Call;
import org.teiid.language.Command;
import org.teiid.language.QueryExpression;
import org.teiid.language.Select;
import org.teiid.language.visitor.SQLStringVisitor;
import org.teiid.metadata.MetadataFactory;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.ExecutionFactory;
import org.teiid.translator.ProcedureExecution;
import org.teiid.translator.ResultSetExecution;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.TranslatorProperty;
import org.teiid.translator.UpdateExecution;
/**
* LDAP translator. This is responsible for initializing
* a connection factory, and obtaining connections to LDAP.
*/
@Translator(name="ldap", description="A translator for LDAP directory")
public class LDAPExecutionFactory extends ExecutionFactory<ConnectionFactory, LdapContext> {
public static final String DN_PREFIX = MetadataFactory.LDAP_URI + "dn_prefix"; //$NON-NLS-1$
public static final String RDN_TYPE = MetadataFactory.LDAP_URI + "rdn_type"; //$NON-NLS-1$
public static final String UNWRAP = MetadataFactory.LDAP_URI + "unwrap"; //$NON-NLS-1$
public enum SearchDefaultScope {
SUBTREE_SCOPE,
OBJECT_SCOPE,
ONELEVEL_SCOPE
}
private String searchDefaultBaseDN;
private boolean restrictToObjectClass;
private SearchDefaultScope searchDefaultScope = SearchDefaultScope.ONELEVEL_SCOPE;
private boolean usePagination;
private boolean exceptionOnSizeLimitExceeded;
public LDAPExecutionFactory() {
this.setMaxInCriteriaSize(1000);
this.setMaxDependentInPredicates(25); //no spec limit on query size, AD is 10MB for the query
this.setSupportsInnerJoins(true);
this.setSupportedJoinCriteria(SupportedJoinCriteria.KEY);
setTransactionSupport(TransactionSupport.NONE);
}
@TranslatorProperty(display="Default Search Base DN", description="Default Base DN for LDAP Searches")
public String getSearchDefaultBaseDN() {
return searchDefaultBaseDN;
}
public void setSearchDefaultBaseDN(String searchDefaultBaseDN) {
this.searchDefaultBaseDN = searchDefaultBaseDN;
}
@TranslatorProperty(display="Restrict Searches To Named Object Class", description="Restrict Searches to objectClass named in the Name field for a table", advanced=true)
public boolean isRestrictToObjectClass() {
return restrictToObjectClass;
}
public void setRestrictToObjectClass(boolean restrictToObjectClass) {
this.restrictToObjectClass = restrictToObjectClass;
}
@TranslatorProperty(display="Default Search Scope", description="Default Scope for LDAP Searches")
public SearchDefaultScope getSearchDefaultScope() {
return searchDefaultScope;
}
public void setSearchDefaultScope(SearchDefaultScope searchDefaultScope) {
this.searchDefaultScope = searchDefaultScope;
}
@Override
public ResultSetExecution createResultSetExecution(QueryExpression command,ExecutionContext executionContext, RuntimeMetadata metadata, LdapContext context)
throws TranslatorException {
return new LDAPSyncQueryExecution((Select)command, this, executionContext, context);
}
@Override
public UpdateExecution createUpdateExecution(Command command,ExecutionContext executionContext, RuntimeMetadata metadata, LdapContext context)
throws TranslatorException {
return new LDAPUpdateExecution(command, context);
}
@Override
public ProcedureExecution createDirectExecution(List<Argument> arguments,Command command, ExecutionContext executionContext,RuntimeMetadata metadata, LdapContext context) throws TranslatorException {
String query = (String) arguments.get(0).getArgumentValue().getValue();
if (query.startsWith("search;")) { //$NON-NLS-1$
return new LDAPDirectSearchQueryExecution(arguments.subList(1, arguments.size()), this, executionContext, context, query, true);
}
return new LDAPDirectCreateUpdateDeleteQueryExecution(arguments.subList(1, arguments.size()), this, executionContext, context, query, true);
}
@Override
public ProcedureExecution createProcedureExecution(Call command,
ExecutionContext executionContext, RuntimeMetadata metadata,
LdapContext connection) throws TranslatorException {
String nativeQuery = command.getMetadataObject().getProperty(SQLStringVisitor.TEIID_NATIVE_QUERY, false);
if (nativeQuery != null) {
if (nativeQuery.startsWith("search;")) { //$NON-NLS-1$
return new LDAPDirectSearchQueryExecution(command.getArguments(), this, executionContext, connection, nativeQuery, false);
}
return new LDAPDirectCreateUpdateDeleteQueryExecution(command.getArguments(), this, executionContext, connection, nativeQuery, false);
}
throw new TranslatorException("Missing native-query extension metadata."); //$NON-NLS-1$
}
@Override
public boolean supportsCompareCriteriaEquals() {
return true;
}
@Override
public boolean supportsInCriteria() {
return true;
}
@Override
public boolean supportsLikeCriteria() {
return true;
}
@Override
public boolean supportsOrCriteria() {
return true;
}
@Override
public boolean supportsRowLimit() {
// GHH 20080408 - turned this on, because I fixed issue
// in nextBatch that was causing this to fail
return true;
}
@Override
public boolean supportsRowOffset() {
// TODO This might actually be possible in future releases,
// when using virtual list views/Sun. note that this requires the ability
// to set the count limit, as well as an offset, so setCountLimit::searchControls
// won't do it alone.
return false;
}
@Override
public boolean supportsCompareCriteriaOrdered() {
return true;
}
@Override
public boolean supportsNotCriteria() {
return true;
}
@TranslatorProperty(display="Use Pagination", description="Use a PagedResultsControl to page through large results. This is not supported by all directory servers.")
public boolean usePagination() {
return usePagination;
}
public void setUsePagination(boolean usePagination) {
this.usePagination = usePagination;
}
@TranslatorProperty(display="Exception on Size Limit Exceeded", description="Set to true to throw an exception when a SizeLimitExceededException is received and a LIMIT is not properly enforced.")
public boolean isExceptionOnSizeLimitExceeded() {
return exceptionOnSizeLimitExceeded;
}
public void setExceptionOnSizeLimitExceeded(
boolean exceptionOnSizeLimitExceeded) {
this.exceptionOnSizeLimitExceeded = exceptionOnSizeLimitExceeded;
}
@Override
public boolean supportsOnlyLiteralComparison() {
return true;
}
@Override
public boolean supportsLikeCriteriaEscapeCharacter() {
return true;
}
@Override
public int getMaxFromGroups() {
return 2;
}
@Override
public boolean useAnsiJoin() {
return true;
}
@Override
public boolean supportsPartialFiltering() {
return true;
}
}