modules/kernel/src/org/apache/axis2/description/WSDL20ToAllAxisServicesBuilder.java

/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed 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.description;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import org.apache.woden.wsdl20.Description;
import org.apache.woden.wsdl20.Endpoint;
import org.apache.woden.wsdl20.Interface;
import org.apache.woden.wsdl20.Service;


import javax.wsdl.WSDLException;

import org.apache.axis2.AxisFault;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Extends the WSDL20ToAxisServiceBuilder class to provide functionality to return
 * multiple AxisService objects; one for each endpoint on each service in the WSDL 2.0 file.
 *
 */
public class WSDL20ToAllAxisServicesBuilder extends WSDL20ToAxisServiceBuilder {
    protected static final Log log =
        LogFactory.getLog(WSDL20ToAllAxisServicesBuilder.class);

    private ArrayList axisServices = null;
    
    /**
     * Class constructor.  
     * @param in  - Contains the wsdl 2.0 file
     */
    public WSDL20ToAllAxisServicesBuilder(InputStream in) {
        super(in, null, null);
        axisServices = new ArrayList();   // create an empty ArrayList
    }
    
    /**
     * Public method to access the wsdl 2.0 file and create a List of AxisService objects.
     * For each endpoint on each service in the wsdl, an AxisService object is created and
     * added to the List.  The name of the AxisService is changed from the service name
     * to the the following: <service name>#<endpoint name>.  Note that the endpoint name
     * is not unique to a wsdl 2.0 file.  Multiple services in the file may have endpoints
     * with the same name.  Therefore the name of the AxisService needs to be a combination
     * of service/endpoint name to be unique to the wsdl.  
     * @return A List containing one AxisService object for each port in the wsdl file.
     * The name of the AxisService is modified to uniquely represent the service/endpoint
     * pair.  The format of the name is "<wsdl service name>#<wsdl endpoint name>"
     * @throws AxisFault 
     */
    public List populateAllServices() throws AxisFault {
        try {
            if (log.isDebugEnabled()) {
                log.debug("Entry: populateAllServices");
            }
            setup();  // setup contains code with gathers non-service specific info
                      // from the WSDL.  This only needs to be done once per WSDL.
            if (description == null) {  
                if (log.isDebugEnabled()) {
                    log.debug("Exit: populateAllServices.  wsdl description is null!");
                }
                return null;   // can't go any further without the wsdl
            }
            Service[] services = description.getServices();
            for (int i = 0; i < services.length; i++) {
                Service service = services[i];
                // set the serviceName on the parent to setup call to populateService
                serviceName = service.getName();
                Endpoint[] endpoints = service.getEndpoints();
                for (int j = 0; j < endpoints.length; j++) {
                    interfaceName = endpoints[j].getName().toString();
                    // start with a fresh axisService
                    this.axisService = new AxisService();
                    // now that serviceName and interfaceName are set, call up to the
                    // parent class to populate this service.                   
                    AxisService retAxisService = populateService();
                    if (retAxisService != null) {
                        // since this AxisService really represents the wsdl
                        // port, change the name
                        // from wsdl service name to port name.
                        // TODO: mangle name?
                        retAxisService.setName(retAxisService.getName() + "$" + interfaceName); // TODO: mangle name????
                        axisServices.add(retAxisService);
                    } // end if axisService was returned
                } // end for all ports of a service
            } // end for all services in the wsdl
            if (log.isDebugEnabled()) {
                log.debug("Exit: populateAllServices.");
            }
            return axisServices;
        } catch (AxisFault e) {
            throw e;  // just rethrow any AxisFaults
        } catch (Exception e) {
            if (log.isDebugEnabled()) {
                log.debug("populateAllServices caught Exception.  Converting to AxisFault. " + e.toString());
            }
            throw new AxisFault(e);
        }
    }

}