alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Apache CXF example source code file (LogicalHandlerFaultOutInterceptor.java)

This example Apache CXF source code file (LogicalHandlerFaultOutInterceptor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Apache CXF tags/keywords

abstractjaxwshandlerinterceptor, dom, fault, fault, handlerchaininvoker, logicalhandlerfaultoutendinginterceptor, logicalhandlerfaultoutendinginterceptor, logicalhandlerfaultoutinterceptor, logicalmessagecontextimpl, parser, runtimeexception, w3cdomstreamwriter, w3cdomstreamwriter, xml, xmlstreamexception, xmlstreamwriter, xmlstreamwriter

The Apache CXF LogicalHandlerFaultOutInterceptor.java source code

/**
 * 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.cxf.jaxws.handler.logical;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import javax.xml.ws.Binding;

import org.w3c.dom.Document;
import org.w3c.dom.Node;

import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.helpers.XMLUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.jaxws.handler.AbstractJAXWSHandlerInterceptor;
import org.apache.cxf.jaxws.handler.HandlerChainInvoker;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.FaultMode;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.staxutils.StaxUtils;
import org.apache.cxf.staxutils.W3CDOMStreamWriter;


public class LogicalHandlerFaultOutInterceptor 
    extends AbstractJAXWSHandlerInterceptor<Message> {
    
    public static final String ORIGINAL_WRITER = "original_writer";

    LogicalHandlerFaultOutEndingInterceptor ending;
    
    public LogicalHandlerFaultOutInterceptor(Binding binding) {
        super(binding, Phase.PRE_MARSHAL);
        ending = new LogicalHandlerFaultOutEndingInterceptor(binding);
    }
    
    public void handleMessage(Message message) throws Fault {
        if (binding.getHandlerChain().isEmpty()) {
            return;
        }
        HandlerChainInvoker invoker = getInvoker(message);
        if (invoker.getLogicalHandlers().isEmpty()) {
            return;
        }
        
        try {
            
            XMLStreamWriter origWriter = message.getContent(XMLStreamWriter.class);
            Document doc = XMLUtils.newDocument();
            message.setContent(Node.class, doc);
            W3CDOMStreamWriter writer = new W3CDOMStreamWriter(doc);
        
            // Replace stax writer with DomStreamWriter
            message.setContent(XMLStreamWriter.class, writer);
            message.put(ORIGINAL_WRITER, origWriter);
                
            message.getInterceptorChain().add(ending);
        } catch (ParserConfigurationException e) {
            throw new Fault(e);
        }
    }
    
    
    private class LogicalHandlerFaultOutEndingInterceptor 
        extends AbstractJAXWSHandlerInterceptor<Message> {
    
        public LogicalHandlerFaultOutEndingInterceptor(Binding binding) {
            super(binding, Phase.POST_MARSHAL);
        }
    
        public void handleMessage(Message message) throws Fault {            
            W3CDOMStreamWriter domWriter = (W3CDOMStreamWriter)message.getContent(XMLStreamWriter.class);
            XMLStreamWriter origWriter = (XMLStreamWriter)message
                .get(LogicalHandlerFaultOutInterceptor.ORIGINAL_WRITER);      
            
            HandlerChainInvoker invoker = getInvoker(message);
            LogicalMessageContextImpl lctx = new LogicalMessageContextImpl(message);
            invoker.setLogicalMessageContext(lctx);
            boolean requestor = isRequestor(message);
            
            XMLStreamReader reader = (XMLStreamReader)message.get("LogicalHandlerInterceptor.INREADER");
            SOAPMessage origMessage = null;
            if (reader != null) {
                origMessage = message.getContent(SOAPMessage.class);
                message.setContent(XMLStreamReader.class, reader);
                message.removeContent(SOAPMessage.class);
            } else if (domWriter.getDocument().getDocumentElement() != null) {
                Source source = new DOMSource(domWriter.getDocument());
                message.setContent(Source.class, source);
                message.setContent(Node.class, domWriter.getDocument());
                message.setContent(XMLStreamReader.class, 
                                   StaxUtils.createXMLStreamReader(domWriter.getDocument()));
            }
            
            try {
                if (!invoker.invokeLogicalHandlersHandleFault(requestor, lctx)) {
                    // handleAbort(message, context);
                }
            } catch (RuntimeException exception) {
                Exchange exchange = message.getExchange();
                
                Exception ex = new Fault(exception);

                FaultMode mode = (FaultMode)message.get(FaultMode.class);                
                
                Message faultMessage = exchange.getOutMessage();
                if (null == faultMessage) {
                    faultMessage = new MessageImpl();
                    faultMessage.setExchange(message.getExchange());
                    faultMessage = exchange.get(Endpoint.class).getBinding().createMessage(faultMessage);
                }
                faultMessage.setContent(Exception.class, ex);
                if (null != mode) {
                    faultMessage.put(FaultMode.class, mode);
                }
                exchange.setOutMessage(null);
                exchange.setOutFaultMessage(faultMessage);
            
                InterceptorChain ic = message.getInterceptorChain();
                ic.reset();
                
                onCompletion(message);
                
                faultMessage.setInterceptorChain(ic);
                ic.doIntercept(faultMessage);
                
                return;
            }          
            
            if (origMessage != null) {
                message.setContent(SOAPMessage.class, origMessage);
            }
            
            try {
                reader = message.getContent(XMLStreamReader.class);
                message.removeContent(XMLStreamReader.class);
                if (reader != null) {
                    StaxUtils.copy(reader, origWriter);
                } else if (domWriter.getDocument().getDocumentElement() != null) {
                    StaxUtils.copy(domWriter.getDocument(), origWriter);
                }
                message.setContent(XMLStreamWriter.class, origWriter);
            } catch (XMLStreamException e) {
                throw new Fault(e);
            }
        }        
    }
    
}

Other Apache CXF examples (source code examples)

Here is a short list of links related to this Apache CXF LogicalHandlerFaultOutInterceptor.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.