/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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.axis2.jaxws.addressing.util; | |
import org.apache.axiom.om.OMAttribute; | |
import org.apache.axiom.om.OMElement; | |
import org.apache.axiom.soap.SOAPHeader; | |
import org.apache.axis2.addressing.AddressingConstants; | |
import org.apache.axis2.jaxws.ExceptionFactory; | |
import org.apache.axis2.jaxws.i18n.Messages; | |
import org.apache.axis2.util.XMLUtils; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import org.w3c.dom.Element; | |
import javax.xml.namespace.QName; | |
import javax.xml.ws.handler.MessageContext; | |
import java.util.AbstractList; | |
import java.util.ArrayList; | |
import java.util.Iterator; | |
import java.util.List; | |
/** | |
* This class is used to provide a read-only list of reference parameters | |
* via the JAX-WS 2.1 api. | |
* | |
* @see MessageContext#REFERENCE_PARAMETERS | |
*/ | |
public class ReferenceParameterList extends AbstractList<Element> { | |
private static final Log log = LogFactory.getLog(ReferenceParameterList.class); | |
private static final Element[] EMPTY_ARRAY = new Element[0]; | |
private String namespace = AddressingConstants.Final.WSA_NAMESPACE; | |
private SOAPHeader header; | |
private Element[] referenceParameters; | |
public ReferenceParameterList() { | |
super(); | |
} | |
public ReferenceParameterList(SOAPHeader header) { | |
super(); | |
this.header = header; | |
} | |
@Override | |
public Element get(int index) { | |
if (referenceParameters == null) | |
initialize(); | |
return referenceParameters[index]; | |
} | |
@Override | |
public int size() { | |
if (referenceParameters == null) | |
initialize(); | |
return referenceParameters.length; | |
} | |
private void initialize() { | |
if (header == null) { | |
if (log.isTraceEnabled()) { | |
log.trace("initialize: No SOAP header to check for reference parameters."); | |
} | |
referenceParameters = EMPTY_ARRAY; | |
} | |
else { | |
if (log.isTraceEnabled()) { | |
log.trace("initialize: Checking SOAP header for reference parameters."); | |
} | |
List<Element> list = new ArrayList<Element>(); | |
Iterator headerBlocks = header.getChildElements(); | |
while (headerBlocks.hasNext()) { | |
OMElement headerElement = (OMElement)headerBlocks.next(); | |
OMAttribute isRefParamAttr = | |
headerElement.getAttribute(new QName(namespace, "IsReferenceParameter")); | |
if (log.isTraceEnabled()) { | |
log.trace("initialize: Checking header element: " + headerElement.getQName()); | |
} | |
if (isRefParamAttr != null && | |
("true".equals(isRefParamAttr.getAttributeValue()) || | |
"1".equals(isRefParamAttr.getAttributeValue()))) { | |
try { | |
Element element = XMLUtils.toDOM(headerElement); | |
list.add(element); | |
} | |
catch (Exception e) { | |
throw ExceptionFactory. | |
makeWebServiceException(Messages.getMessage("referenceParameterConstructionErr"), | |
e); | |
} | |
if (log.isTraceEnabled()) { | |
log.trace("initialize: Header: " + headerElement.getQName() + | |
" has IsReferenceParameter attribute. Adding to toEPR."); | |
} | |
} | |
} | |
referenceParameters = list.toArray(EMPTY_ARRAY); | |
} | |
} | |
} |