/*
* 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 java.io.ByteArrayOutputStream;
import java.io.StringBufferInputStream;
import java.util.Map;
import java.util.StringTokenizer;
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.jaxws.handler.AttachmentsAdapter;
import org.apache.axis2.jaxws.handler.LogicalMessageContext;
/*
* 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 AddNumbersClientLogicalHandler
implements javax.xml.ws.handler.LogicalHandler<LogicalMessageContext> {
public void close(MessageContext messagecontext) {
}
public boolean handleFault(LogicalMessageContext messagecontext) {
return true;
}
public boolean handleMessage(LogicalMessageContext messagecontext) {
Boolean outbound =
(Boolean)messagecontext.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (!outbound) { // inbound response on the client
// make sure standard property is available
Object bob = messagecontext.get(LogicalMessageContext.HTTP_RESPONSE_CODE);
if (bob == null) {
throw new NullPointerException("bob is null");
}
// previously caused a NPE due to internal Properties.putAll(map);
// where 'map' had a key/value pair with null value. So, internally
// we now use HashMap instead of Properties.
int size = messagecontext.size();
/*
* These props were set on the outbound flow. Inbound flow handlers
* should have access to them.
*/
String propKey = "AddNumbersClientProtocolHandlerOutboundAppScopedProperty";
String myClientVal = (String)messagecontext.get(propKey);
if (myClientVal == null) {
throw new RuntimeException("Property " + propKey + " was null. " +
"MEPContext is not searching hard enough for the property.");
}
// Check for the presences of the attachment property
propKey = MessageContext.INBOUND_MESSAGE_ATTACHMENTS;
Map map = (Map) messagecontext.get(propKey);
if (map == null) {
throw new RuntimeException("Property " + propKey + " was null");
}
if (!(map instanceof AttachmentsAdapter)) {
throw new RuntimeException("Expected AttachmentAddapter for Property " +
propKey);
}
propKey = "AddNumbersClientProtocolHandlerOutboundHandlerScopedProperty";
myClientVal = (String)messagecontext.get(propKey);
if (myClientVal == null) {
throw new RuntimeException("Property " + propKey + " was null. " +
"MEPContext is not searching hard enough for the property.");
}
/*
* These props were set on the inbound flow. Inbound flow handlers
* should have access to them.
*/
propKey = "AddNumbersClientProtocolHandlerInboundAppScopedProperty";
myClientVal = (String)messagecontext.get(propKey);
if (myClientVal == null) {
throw new RuntimeException("Property " + propKey + " was null. " +
"MEPContext is not searching hard enough for the property.");
}
propKey = "AddNumbersClientProtocolHandlerInboundHandlerScopedProperty";
myClientVal = (String)messagecontext.get(propKey);
if (myClientVal == null) {
throw new RuntimeException("Property " + propKey + " was null. " +
"MEPContext is not searching hard enough for the property.");
}
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 {
LogicalMessage msg = messagecontext.getMessage();
Source s = msg.getPayload();
s = msg.getPayload();
String st = getStringFromSourcePayload(msg.getPayload());
if (st.contains("<arg0>99</arg0>")) {
throw new ProtocolException("I don't like the value 99");
}
// Check for the presences of the attachment property
String propKey = MessageContext.OUTBOUND_MESSAGE_ATTACHMENTS;
Map map = (Map) messagecontext.get(propKey);
if (map == null) {
throw new RuntimeException("Property " + propKey + " was null");
}
if (!(map instanceof AttachmentsAdapter)) {
throw new RuntimeException("Expected AttachmentAddapter for Property " +
propKey);
}
}
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);
}
}
}