ServletPreHandler.java

/*
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 * and Distribution License("CDDL") (collectively, the "License").  You
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 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.webservices;

import java.lang.reflect.Method;
import javax.xml.namespace.QName;

import javax.xml.rpc.handler.GenericHandler;
import javax.xml.rpc.handler.MessageContext;

import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.ResourceBundle;
import java.text.MessageFormat;

import com.sun.logging.LogDomains;
import org.glassfish.api.invocation.InvocationManager;

import com.sun.enterprise.web.WebComponentInvocation;

import com.sun.xml.rpc.server.http.Implementor;
import com.sun.xml.rpc.server.http.MessageContextProperties;

/**
 * This handler is inserted first in the handler chain for an
 * servlet web service endpoint.  
 *
 * @author Kenneth Saks
 */
public class ServletPreHandler extends GenericHandler {

    private static Logger logger = 
        LogDomains.getLogger(ServletPreHandler.class, LogDomains.WEBSERVICES_LOGGER);
    private WsUtil wsUtil = new WsUtil();
    private ResourceBundle rb = logger.getResourceBundle();

    public ServletPreHandler() {}

    public QName[] getHeaders() {
        return new QName[0];
    }

    public boolean handleRequest(MessageContext context) {
        WebComponentInvocation inv = null;

        try {
            WebServiceContractImpl wscImpl = WebServiceContractImpl.getInstance();
            InvocationManager invManager = wscImpl.getInvocationManager();
            inv = (WebComponentInvocation) invManager.getCurrentInvocation();
            com.sun.xml.rpc.spi.runtime.Tie tie =
                    (com.sun.xml.rpc.spi.runtime.Tie) inv.getWebServiceTie();
            if (tie == null) {
                Implementor implementor = (Implementor)
                        context.getProperty(MessageContextProperties.IMPLEMENTOR);
                tie = implementor.getTie();
                inv.setWebServiceTie(tie);
            }
            inv.setWebServiceMethod(wsUtil.getInvMethod(tie, context));

        } catch(Exception e) {
            logger.log(Level.WARNING, format(rb.getString("preWebHandlerError"), e.toString()));
            wsUtil.throwSOAPFaultException(e.getMessage(), context);
        }
        return true;
    }

    private String format(String key, String ... values){
        return MessageFormat.format(key, (Object [])values);
    }
}