/*=============================================================================*
* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*=============================================================================*/
package org.apache.ws.resource.properties.v2004_06.porttype.impl;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ws.resource.ResourceContext;
import org.apache.ws.resource.i18n.Keys;
import org.apache.ws.resource.i18n.MessagesImpl;
import org.apache.ws.resource.properties.NamespaceVersionHolder;
import org.apache.ws.resource.properties.faults.InvalidQueryExpressionFaultException;
import org.apache.ws.resource.properties.faults.QueryEvaluationErrorFaultException;
import org.apache.ws.resource.properties.faults.UnknownQueryExpressionDialectFaultException;
import org.apache.ws.resource.properties.impl.AbstractResourcePropertiesPortType;
import org.apache.ws.resource.properties.query.InvalidQueryExpressionException;
import org.apache.ws.resource.properties.query.QueryEngine;
import org.apache.ws.resource.properties.query.QueryEvaluationErrorException;
import org.apache.ws.resource.properties.query.UnknownQueryExpressionDialectException;
import org.apache.ws.resource.properties.query.impl.QueryEngineImpl;
import org.apache.ws.resource.properties.query.impl.XmlBeansQueryExpression;
import org.apache.ws.resource.properties.v2004_06.impl.NamespaceVersionHolderImpl;
import org.apache.ws.resource.properties.v2004_06.porttype.QueryResourcePropertiesPortType;
import org.apache.ws.util.XmlBeanUtils;
import org.apache.ws.util.i18n.Messages;
import org.apache.xmlbeans.XmlObject;
import org.oasisOpen.docs.wsrf.x2004.x06.wsrfWSResourceProperties12Draft01.QueryExpressionType;
import org.oasisOpen.docs.wsrf.x2004.x06.wsrfWSResourceProperties12Draft01.QueryResourcePropertiesDocument;
import org.oasisOpen.docs.wsrf.x2004.x06.wsrfWSResourceProperties12Draft01.QueryResourcePropertiesResponseDocument;
import java.lang.reflect.Array;
/**
* LOG-DONE An operation provider for wsrp:QueryResourceProperties.
*
* TODO: factor out a common base class to be shared across spec versions
*
* @author Ian P. Springer
*/
public class QueryResourcePropertiesPortTypeImpl
extends AbstractResourcePropertiesPortType
implements QueryResourcePropertiesPortType
{
private static final Log LOG = LogFactory.getLog( QueryResourcePropertiesPortTypeImpl.class );
private static final Messages MSG = MessagesImpl.getInstance();
private static final NamespaceVersionHolder NAMESPACE_SET = new NamespaceVersionHolderImpl() ;
private static final QueryEngine QUERY_ENGINE = new QueryEngineImpl();
/**
* Creates a new {@link QueryResourcePropertiesPortTypeImpl} object.
*
* @param resourceContext DOCUMENT_ME
*/
public QueryResourcePropertiesPortTypeImpl( ResourceContext resourceContext )
{
super( resourceContext );
}
protected NamespaceVersionHolder getNamespaceSet()
{
return NAMESPACE_SET;
}
/**
* Implementation of the wsrp:QueryResourceProperties operation.
*
* @param requestDoc the requestDoc XMLBean
*
* @return the response XMLBean
*
* @throws org.apache.ws.resource.faults.ResourceKeyHeaderNotFoundFaultException
*
* @throws org.apache.ws.resource.properties.faults.UnknownQueryExpressionDialectFaultException
* if query dialect is unsupported.
* @throws org.apache.ws.resource.properties.faults.QueryEvaluationErrorFaultException
* if query evaluation fails.
* @throws org.apache.ws.resource.properties.faults.InvalidQueryExpressionFaultException
* if query expression is invalid.
*/
public QueryResourcePropertiesResponseDocument queryResourceProperties( QueryResourcePropertiesDocument requestDoc )
{
if ( LOG.isDebugEnabled() )
{
LOG.debug( MSG.getMessage( Keys.QUERY_RP_REQ,
requestDoc.toString() ) );
}
QueryResourcePropertiesResponseDocument responseDoc = createResponseDocument();
QueryExpressionType queryExprType = requestDoc.getQueryResourceProperties().getQueryExpression();
XmlBeansQueryExpression queryExpr = new XmlBeansQueryExpression( queryExprType );
refreshAllProperties();
Object result = null;
try
{
result = QUERY_ENGINE.executeQuery( queryExpr,
getProperties() );
}
catch ( UnknownQueryExpressionDialectException uqede )
{
throw new UnknownQueryExpressionDialectFaultException(NAMESPACE_SET, uqede.getDialect() );
}
catch ( QueryEvaluationErrorException qeee )
{
throw new QueryEvaluationErrorFaultException(NAMESPACE_SET, qeee.getMessage() );
}
catch ( InvalidQueryExpressionException iqee )
{
throw new InvalidQueryExpressionFaultException(NAMESPACE_SET, queryExpr );
}
QueryResourcePropertiesResponseDocument.QueryResourcePropertiesResponse responseElem =
responseDoc.getQueryResourcePropertiesResponse();
if ( result.getClass().isArray() )
{
for ( int i = 0; i < Array.getLength( result ); i++ )
{
Object resultItem = Array.get( result, i );
XmlObject resultXBean = null;
try
{
resultXBean = XmlBeanUtils.toXmlObject( resultItem );
}
catch ( Exception e )
{
throw new RuntimeException( "Unable to convert query result object to XmlObject.", e );
}
XmlBeanUtils.addChildElement( responseElem, resultXBean );
}
}
else
{
XmlBeanUtils.setValue( responseElem,
result.toString() );
}
return responseDoc;
}
private QueryResourcePropertiesResponseDocument createResponseDocument()
{
QueryResourcePropertiesResponseDocument responseDoc =
QueryResourcePropertiesResponseDocument.Factory.newInstance();
responseDoc.addNewQueryResourcePropertiesResponse();
return responseDoc;
}
}