/*
* 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.sample.headershandler;
import java.io.ByteArrayOutputStream;
import java.io.StringBufferInputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import javax.xml.namespace.QName;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.LogicalMessage;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.handler.MessageContext;
import org.apache.axis2.Constants;
import org.apache.axis2.jaxws.handler.LogicalMessageContext;
public class HeadersServerLogicalHandler implements
javax.xml.ws.handler.LogicalHandler<LogicalMessageContext> {
private HandlerTracker tracker = new HandlerTracker(HeadersServerLogicalHandler.class.getSimpleName());
private TestHeaders headerUtil = new TestHeaders(this.getClass());
public void close(MessageContext messagecontext) {
tracker.close();
}
public boolean handleFault(LogicalMessageContext messagecontext) {
Boolean outbound = (Boolean) messagecontext.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
tracker.handleFault(outbound);
return true;
}
public boolean handleMessage(LogicalMessageContext messagecontext) {
Boolean outbound = (Boolean) messagecontext.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
tracker.handleMessage(outbound);
if (outbound) { // outbound response on the server
// this is the first server outbound handler hit
// turn off special property that logs ability to use
// both SOAPHeadersAdapter and SAAJ in a single handler method:
messagecontext.put(org.apache.axis2.jaxws.handler.Constants.JAXWS_HANDLER_TRACKER, false);
Map<QName, List<String>> requestHeaders = (Map<QName, List<String>>)messagecontext.get(Constants.JAXWS_OUTBOUND_SOAP_HEADERS);
// add a header
String acoh1 = TestHeaders.createHeaderXMLString(TestHeaders.ACOH1_HEADER_QNAME, TestHeaders.CONTENT_SMALL1);
List<String> acoh1list = new ArrayList<String>();
acoh1list.add(acoh1);
requestHeaders.put(TestHeaders.ACOH1_HEADER_QNAME, acoh1list);
messagecontext.put(Constants.JAXWS_INBOUND_SOAP_HEADERS, requestHeaders);
tracker.addHeader(acoh1.toString());
// manipulate the payload just to be thorough (the response element happens
// to be in the same place as arg0, so using the same methods as inbound)
LogicalMessage msg = messagecontext.getMessage();
String st = getStringFromSourcePayload(msg.getPayload());
String txt = String.valueOf(Integer.valueOf(getFirstArg(st)) - 1);
st = replaceFirstArg(st, txt);
msg.setPayload(new StreamSource(new StringBufferInputStream(st)));
} else { // inbound request on the server
// this is the second server inbound hit
// turn off special property that logs ability to use
// both SOAPHeadersAdapter and SAAJ in a single handler method:
messagecontext.put(org.apache.axis2.jaxws.handler.Constants.JAXWS_HANDLER_TRACKER, false);
// let's check for all the headers we expect, remove them, and manipulate the message payload
Map<QName, List<String>> requestHeaders = (Map<QName, List<String>>)messagecontext.get(Constants.JAXWS_INBOUND_SOAP_HEADERS);
headerUtil.confirmHeadersAdapterList(Constants.JAXWS_INBOUND_SOAP_HEADERS, requestHeaders, 2);
// expecting two header elements under two different QNames
List<String> list1 = requestHeaders.get(TestHeaders.ACOH3_HEADER_QNAME);
headerUtil.confirmList(TestHeaders.ACOH3_HEADER_QNAME, list1, 1);
String acoh1 = TestHeaders.createHeaderXMLString(TestHeaders.ACOH3_HEADER_QNAME, TestHeaders.CONTENT_LARGE);
headerUtil.compareHeaderStrings(acoh1, list1.get(0));
tracker.checkHeader(list1.get(0));
List<String> list2 = requestHeaders.get(TestHeaders.ACOH4_HEADER_QNAME);
headerUtil.confirmList(TestHeaders.ACOH4_HEADER_QNAME, list2, 1);
String acoh4 = TestHeaders.createHeaderXMLString(TestHeaders.ACOH4_HEADER_QNAME, TestHeaders.CONTENT_SMALL4);
headerUtil.compareHeaderStrings(acoh4, list2.get(0));
tracker.checkHeader(list2.get(0));
// remove the headers before continuing
tracker.removedHeader(acoh1);
requestHeaders.remove(TestHeaders.ACOH3_HEADER_QNAME);
// manipulate the payload between header removals just to be thorough
/*
* NOTE: This is an important test! The get of a header from the SOAPHeadersAdapter triggers a
* parse of the header OM element, which previously marked the parser as 'done'. This caused the
* below getPayload() to throw an OMException. This only occurred on server inbound in this
* scenario, so this implementation MUST REMAIN. See top of XMLStringBlockImpl._getBOFromReader
* for the fix.
*/
LogicalMessage msg = messagecontext.getMessage();
String st = getStringFromSourcePayload(msg.getPayload());
String txt = String.valueOf(Integer.valueOf(getFirstArg(st)) - 1);
st = replaceFirstArg(st, txt);
msg.setPayload(new StreamSource(new StringBufferInputStream(st)));
tracker.removedHeader(acoh4);
requestHeaders.remove(TestHeaders.ACOH4_HEADER_QNAME);
if (st.contains("66")) {
// test flow reversal and handleFault method ability to access/set headers
throw new ProtocolException("I don't like 66");
} else if (st.contains("33")) {
// test flow reversal, without handleFault flow
return false;
}
}
return true;
}
private static String getFirstArg(String payloadString) {
StringTokenizer st = new StringTokenizer(payloadString, ">");
st.nextToken(); // skip first token.
st.nextToken(); // skip second
String tempString = st.nextToken();
String returnString = new StringTokenizer(tempString, "<").nextToken();
return returnString;
}
private static String replaceFirstArg(String payloadString, String newArg) {
String firstArg = getFirstArg(payloadString);
payloadString = payloadString.replaceFirst(firstArg, newArg);
return payloadString;
}
private static String getStringFromSourcePayload(Source payload) {
try {
TransformerFactory factory = TransformerFactory.newInstance();
Transformer trans = factory.newTransformer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
StreamResult result = new StreamResult(baos);
trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
trans.transform(payload, result);
HandlerTracker tracker = new HandlerTracker(HeadersServerLogicalHandler.class.getSimpleName());
return new String(baos.toByteArray());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}