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Glassfish example source code file (ServiceInterfaceGenerator.java)

This example Glassfish source code file (ServiceInterfaceGenerator.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 - Glassfish tags/keywords

arraylist, class, classnotfoundexception, generatorexception, linkedlist, list, list, localstringmanagerimpl, log, logging, method, method, reflection, serviceinterfacegenerator, serviceinterfacegenerator, string, string, util

The Glassfish ServiceInterfaceGenerator.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.ejb.codegen;


import java.lang.reflect.Method;
import java.util.List;
import java.util.ArrayList;
import java.util.LinkedList;

import static com.sun.corba.ee.spi.orbutil.codegen.Wrapper.*;
import com.sun.corba.ee.spi.orbutil.codegen.Type;

import java.util.logging.Logger;

import javax.jws.WebMethod;

import static java.lang.reflect.Modifier.*;

import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.logging.LogDomains;

/**
 * This class is responsible for generating the SEI when it is not packaged 
 * by the application. 
 *
 * @author Jerome Dochez
 */
public class ServiceInterfaceGenerator extends Generator 
    implements ClassGeneratorFactory {

    private static LocalStringManagerImpl localStrings =
	    new LocalStringManagerImpl(ServiceInterfaceGenerator.class);
    private static Logger _logger=null;
    static{
       _logger=LogDomains.getLogger(ServiceInterfaceGenerator.class, LogDomains.DPL_LOGGER);
    }
 
    Class sib=null;
    String serviceIntfName;
    String packageName;
    String serviceIntfSimpleName;
    Method[] intfMethods;
    
   /**
     * Construct the Wrapper generator with the specified deployment
     * descriptor and class loader.
     * @exception GeneratorException.
     */
    public ServiceInterfaceGenerator(ClassLoader cl, Class sib) 
	    throws GeneratorException, ClassNotFoundException
    {
	    super();

        this.sib = sib;
        serviceIntfSimpleName = getServiceIntfName();

	    packageName = getPackageName();
        serviceIntfName = packageName + "." + serviceIntfSimpleName;
	
        intfMethods = calculateMethods(sib, removeDups(sib.getMethods()));
        
        // NOTE : no need to remove ejb object methods because EJBObject
        // is only visible through the RemoteHome view.
    }    
    
    public String getServiceIntfName() {
        String serviceIntfSimpleName = sib.getSimpleName();
        if (serviceIntfSimpleName.endsWith("EJB")) {
            return serviceIntfSimpleName.substring(0, serviceIntfSimpleName.length()-3);
        } else {
            return serviceIntfSimpleName+"SEI";
        }
    }
    
    public String getPackageName() {
        return sib.getPackage().getName()+".internal.jaxws";
    }
    
    /**
     * Get the fully qualified name of the generated class.
     * Note: the remote/local implementation class is in the same package 
     * as the bean class, NOT the remote/local interface.
     * @return the name of the generated class.
     */
    public String getGeneratedClass() {
        return serviceIntfName;
    }

    // For corba codegen infrastructure
    public String className() {
        return getGeneratedClass();
    }
    
    private Method[] calculateMethods(Class sib, Method[] initialList) {

        // we start by assuming the @WebMethod was NOT used on this class
        boolean webMethodAnnotationUsed = false;
        List<Method> list = new ArrayList();
        
        for (Method m : initialList) {
            WebMethod wm = m.getAnnotation(WebMethod.class);
            if ( (wm != null) && !webMethodAnnotationUsed) {
                webMethodAnnotationUsed=true;
                // reset the list, this is the first annotated method we find
                list.clear();
            }
            if (wm!=null) {
                list.add(m);
            } else {
                if (!webMethodAnnotationUsed && !m.getDeclaringClass().equals(java.lang.Object.class)) {
                    list.add(m);
                }
            }
        }
        return list.toArray(new Method[0]);
    }

    public void evaluate() {

        _clear();

	    if (packageName != null) {
	        _package(packageName);
        }

        _interface(PUBLIC, serviceIntfSimpleName);

        for(int i = 0; i < intfMethods.length; i++) {
	        printMethod(intfMethods[i]);
	    }

        _end();

        return;

    }


    private void printMethod(Method m)
    {

        boolean throwsRemoteException = false;
        List<Type> exceptionList = new LinkedList();
	    for(Class exception : m.getExceptionTypes()) {
            exceptionList.add(Type.type(exception));
            if( exception.getName().equals("java.rmi.RemoteException") ) {
                throwsRemoteException = true;
            }
	}
        if( !throwsRemoteException ) {
            exceptionList.add(_t("java.rmi.RemoteException"));
        }

        _method( PUBLIC | ABSTRACT, Type.type(m.getReturnType()),
                 m.getName(), exceptionList);

        int i = 0;

        for(Class param : m.getParameterTypes()) {
            _arg(Type.type(param), "param" + i);
            i++;
	    }

        _end();
    }
    
}

Other Glassfish examples (source code examples)

Here is a short list of links related to this Glassfish ServiceInterfaceGenerator.java source code file:

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