/*
* 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.addnumbershandler;
import org.apache.axis2.jaxws.handler.LogicalMessageContext;
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.handler.MessageContext;
import java.io.ByteArrayOutputStream;
import java.io.StringBufferInputStream;
import java.util.StringTokenizer;
/*
* You can't actually specify whether a handler is for client or server,
* you just have to check in the handleMessage and/or handleFault to make
* sure what direction we're going.
*/
public class AddNumbersClientLogicalHandler2 implements javax.xml.ws.handler.LogicalHandler<LogicalMessageContext> {
HandlerTracker tracker = new HandlerTracker(AddNumbersClientLogicalHandler2.class.getSimpleName());
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 request on the client
LogicalMessage msg = messagecontext.getMessage();
Source payload = msg.getPayload();
String st = getStringFromSourcePayload(payload);
String txt = String.valueOf(Integer.valueOf(getFirstArg(st)) * 2);
st = replaceFirstArg(st, txt);
msg.setPayload(new StreamSource(new StringBufferInputStream(st)));
}
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);
return new String(baos.toByteArray());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}