Package org.apache.axis.handlers

Source Code of org.apache.axis.handlers.HandlerChainImpl

/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution,
*    if any, must include the following acknowledgment:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Axis" and "Apache Software Foundation" must
*    not be used to endorse or promote products derived from this
*    software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
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*
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.axis.handlers;

import org.apache.axis.utils.ClassUtils;
import org.apache.axis.utils.JavaUtils;

import javax.xml.rpc.JAXRPCException;
import javax.xml.rpc.handler.Handler;
import javax.xml.rpc.handler.HandlerInfo;
import javax.xml.rpc.handler.MessageContext;
import javax.xml.rpc.handler.soap.SOAPMessageContext;
import javax.xml.rpc.soap.SOAPFaultException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class HandlerChainImpl extends ArrayList implements javax.xml.rpc.handler.HandlerChain {

    private String[] _roles;

    public String[] getRoles() {
        return _roles;
    }
   
    public void setRoles(String[] roles) {
        _roles = roles;
    }
   
    public void init(Map map) {
        // DO SOMETHING WITH THIS
    }

    protected List handlerInfos = new ArrayList();
    String[] roles = null;

    public HandlerChainImpl() {
    }

    public HandlerChainImpl(List handlerInfos) {
        this.handlerInfos = handlerInfos;
        for (int i = 0; i < handlerInfos.size(); i++)
            add(newHandler(getHandlerInfo(i)));
    }

    public void addNewHandler(String className, Map config) {
        try {
            HandlerInfo handlerInfo = new HandlerInfo(ClassUtils.forName(className),
                                                      config,
                                                      null);
            handlerInfos.add(handlerInfo);
            add(newHandler(handlerInfo));
        } catch (Exception ex) {
            String messageText = JavaUtils.getMessage("NoJAXRPCHandler00", className);
            throw new JAXRPCException(messageText, ex);
        }
    }

    public boolean handleFault(MessageContext _context) {
        SOAPMessageContext context = (SOAPMessageContext) _context;

        for (int i = size() - 1; i >= 0; i--)
            if (getHandlerInstance(i).handleFault(context) == false)
                return false;
        return true;
    }

    public boolean handleRequest(MessageContext _context) {
        SOAPMessageContext context = (SOAPMessageContext) _context;

        boolean processFault = false;

        for (int i = 0; i < size(); i++) {
            Handler currentHandler = getHandlerInstance(i);
            try {
                if (currentHandler.handleRequest(context) == false) {
                    return false;
                }
            } catch (SOAPFaultException sfe) {
                throw sfe;
            }
        }
        return true;
    }

    public boolean handleResponse(MessageContext context) {
        for (int i = size() - 1; i >= 0; i--)
            if (getHandlerInstance(i).handleResponse(context) == false)
                return false;
        return true;
    }

    public void destroy() {
        for (int i = 0; i < size(); i++)
            getHandlerInstance(i).destroy();
        clear();
    }

    private Handler getHandlerInstance(int index) {
        return (Handler) get(index);
    }

    private HandlerInfo getHandlerInfo(int index) {
        return (HandlerInfo) handlerInfos.get(index);
    }

    private Handler newHandler(HandlerInfo handlerInfo) {
        try {
            Handler handler =
                    (Handler) handlerInfo.getHandlerClass().newInstance();
            handler.init(handlerInfo);
            return handler;
        } catch (Exception ex) {
            String messageText = JavaUtils.getMessage("NoJAXRPCHandler00", handlerInfo.getHandlerClass().toString());
            throw new JAXRPCException(messageText, ex);
        }
    }
}

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