Apache CXF example source code file (AbstractJAXWSMethodInvoker.java)

This example Apache CXF source code file (AbstractJAXWSMethodInvoker.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

abstractjaxwsmethodinvoker, content-type, datahandler, list, list, map, map, message, object, object, reflection, scope, soapfaultexception, soapfaultexception, soapmessage, util

The Apache CXF AbstractJAXWSMethodInvoker.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;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.activation.DataHandler;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.MessageContext.Scope;
import javax.xml.ws.soap.SOAPFaultException;

import org.apache.cxf.attachment.AttachmentImpl;
import org.apache.cxf.binding.soap.SoapFault;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.headers.Header;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.jaxws.context.WrappedMessageContext;
import org.apache.cxf.message.Attachment;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.service.invoker.Factory;
import org.apache.cxf.service.invoker.FactoryInvoker;
import org.apache.cxf.service.invoker.SingletonFactory;

public abstract class AbstractJAXWSMethodInvoker extends FactoryInvoker {

    public AbstractJAXWSMethodInvoker(final Object bean) {
        super(new SingletonFactory(bean));
    }
    
    public AbstractJAXWSMethodInvoker(Factory factory) {
        super(factory);
    }
    
    protected SOAPFaultException findSoapFaultException(Throwable ex) {
        if (ex instanceof SOAPFaultException) {
            return (SOAPFaultException)ex;
        }
        if (ex.getCause() != null) {
            return findSoapFaultException(ex.getCause());
        }
        return null;
    }
    
    @Override
    protected Fault createFault(Throwable ex, Method m, List<Object> params, boolean checked) {
        //map the JAX-WS faults
        SOAPFaultException sfe = findSoapFaultException(ex);
        if (sfe != null) {
            SoapFault fault = new SoapFault(sfe.getFault().getFaultString(),
                                            ex,
                                            sfe.getFault().getFaultCodeAsQName());
            fault.setRole(sfe.getFault().getFaultActor());
            if (sfe.getFault().hasDetail()) {
                fault.setDetail(sfe.getFault().getDetail());
            }
            
            return fault;
        }
        return super.createFault(ex, m, params, checked);
    }
    
    protected Map<String, Object> removeHandlerProperties(WrappedMessageContext ctx) {
        Map<String, Scope> scopes = CastUtils.cast((Map)ctx.get(WrappedMessageContext.SCOPES));
        Map<String, Object> handlerScopedStuff = new HashMap();
        if (scopes != null) {
            for (Map.Entry<String, Scope> scope : scopes.entrySet()) {
                if (scope.getValue() == Scope.HANDLER) {
                    handlerScopedStuff.put(scope.getKey(), ctx.get(scope.getKey()));
                }
            }
            for (String key : handlerScopedStuff.keySet()) {
                ctx.remove(key);
            }
        }
        return handlerScopedStuff;
    }
    
    protected void addHandlerProperties(WrappedMessageContext ctx,
                                        Map<String, Object> handlerScopedStuff) {
        for (Map.Entry<String, Object> key : handlerScopedStuff.entrySet()) {
            ctx.put(key.getKey(), key.getValue(), Scope.HANDLER);
        }
    }
   
    private Message createResponseMessage(Exchange exchange) {
        if (exchange == null) {
            return null;
        }
        Message m = exchange.getOutMessage();
        if (m == null && !exchange.isOneWay()) {
            Endpoint ep = exchange.get(Endpoint.class);
            m = new MessageImpl();
            m.setExchange(exchange);
            m = ep.getBinding().createMessage(m);
            exchange.setOutMessage(m);
        }
        return m;
    }

    protected void updateWebServiceContext(Exchange exchange, MessageContext ctx) {
        // Guard against wrong type associated with header list.
        // Need to copy header only if the message is going out.
        if (ctx.containsKey(Header.HEADER_LIST) 
                && ctx.get(Header.HEADER_LIST) instanceof List<?>) {
            List list = (List) ctx.get(Header.HEADER_LIST);
            if (list != null && !list.isEmpty()) {
                SoapMessage sm = (SoapMessage) createResponseMessage(exchange);
                if (sm != null) {
                    Iterator iter = list.iterator();
                    while (iter.hasNext()) {
                        sm.getHeaders().add((Header) iter.next());
                    }
                }
            }
        }
        if (exchange.getOutMessage() != null) {
            Message out = exchange.getOutMessage();
            if (out.containsKey(Message.PROTOCOL_HEADERS)) {
                Map<String, List heads = CastUtils
                    .cast((Map<?, ?>)exchange.getOutMessage().get(Message.PROTOCOL_HEADERS));
                if (heads.containsKey("Content-Type")) {
                    List<String> ct = heads.get("Content-Type");
                    exchange.getOutMessage().put(Message.CONTENT_TYPE, ct.get(0));
                    heads.remove("Content-Type");
                }
            }
            Map<String, DataHandler> dataHandlers  
                = CastUtils.cast((Map<?, ?>)out.get(MessageContext.OUTBOUND_MESSAGE_ATTACHMENTS));
            if (dataHandlers != null && !dataHandlers.isEmpty()) {
                Collection<Attachment> attachments = out.getAttachments();
                if (attachments == null) {
                    attachments = new ArrayList<Attachment>();
                    out.setAttachments(attachments);
                }
                for (Map.Entry<String, DataHandler> entry : dataHandlers.entrySet()) {
                    Attachment att = new AttachmentImpl(entry.getKey(), entry.getValue());
                    attachments.add(att);
                }
            }
            out.remove(MessageContext.OUTBOUND_MESSAGE_ATTACHMENTS);
        }
    }

}