/*=============================================================================*
* Copyright 2006 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.muse.ws.resource.properties.query.impl;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.apache.muse.util.messages.Messages;
import org.apache.muse.util.messages.MessagesFactory;
import org.apache.muse.ws.resource.ext.faults.InvalidMessageFormatFault;
import org.apache.muse.ws.resource.properties.WsrpConstants;
import org.apache.muse.util.xml.XmlSerializable;
import org.apache.muse.util.xml.XmlUtils;
/**
*
* QueryRequest is a serializer/deserializer for the WS-ResourceProperties
* QueryResourceProperties operation's request content.
*
* @author Dan Jemiolo (danj)
*
*/
public class QueryRequest implements XmlSerializable
{
//
// Used to lookup all exception messages
//
private static Messages _MESSAGES = MessagesFactory.get(QueryRequest.class);
//
// The language of the query string
//
private String _dialect = null;
//
// The query to run against the WS-RP doc
//
private String _query = null;
public QueryRequest(Element request)
throws InvalidMessageFormatFault
{
if (request == null)
throw new NullPointerException(_MESSAGES.get("NullRequestElement"));
Element expression =
XmlUtils.getElement(request, WsrpConstants.QUERY_EXPRESSION_QNAME);
if (expression == null)
throw new InvalidMessageFormatFault(_MESSAGES.get("NoQueryExpressionFound"));
_dialect = expression.getAttribute(WsrpConstants.DIALECT);
if (_dialect == null || _dialect.length() == 0)
throw new InvalidMessageFormatFault(_MESSAGES.get("NoDialectFound"));
_query = XmlUtils.extractText(expression);
if (_query == null)
throw new InvalidMessageFormatFault(_MESSAGES.get("NoQueryFound"));
}
public QueryRequest(String query, String dialect)
{
if (query == null)
throw new NullPointerException(_MESSAGES.get("NullQuery"));
if (dialect == null)
throw new NullPointerException(_MESSAGES.get("NullDialect"));
_query = query;
_dialect = dialect;
}
public String getDialect()
{
return _dialect;
}
public String getQuery()
{
return _query;
}
public String toString()
{
return XmlUtils.toString(toXML(), false);
}
public Element toXML()
{
return toXML(XmlUtils.EMPTY_DOC);
}
public Element toXML(Document doc)
{
if (doc == null)
throw new NullPointerException(_MESSAGES.get("NullDocument"));
Element root = XmlUtils.createElement(doc, WsrpConstants.QUERY_QNAME);
Element query =
XmlUtils.createElement(doc, WsrpConstants.QUERY_EXPRESSION_QNAME);
root.appendChild(query);
query.setAttribute(WsrpConstants.DIALECT, getDialect());
Node text = doc.createTextNode(getQuery());
query.appendChild(text);
return root;
}
}