Apache CXF example source code file (JAXWSFrontEndProcessor.java)

This example Apache CXF source code file (JAXWSFrontEndProcessor.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

arraylist, class, class, javainterface, javainterface, javamodel, list, log, log, logging, message, message, reflection, string, string, toolexception, type, util

The Apache CXF JAXWSFrontEndProcessor.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.tools.java2wsdl.processor.internal.jaxws;

import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.jws.WebService;

import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.PackageUtils;
import org.apache.cxf.service.factory.ReflectionServiceFactoryBean;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.service.model.InterfaceInfo;
import org.apache.cxf.service.model.OperationInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.cxf.tools.common.Processor;
import org.apache.cxf.tools.common.ToolConstants;
import org.apache.cxf.tools.common.ToolContext;
import org.apache.cxf.tools.common.ToolException;
import org.apache.cxf.tools.common.model.JavaException;
import org.apache.cxf.tools.common.model.JavaInterface;
import org.apache.cxf.tools.common.model.JavaMethod;
import org.apache.cxf.tools.common.model.JavaModel;
import org.apache.cxf.tools.common.model.JavaParameter;
import org.apache.cxf.tools.common.model.JavaReturn;
import org.apache.cxf.tools.common.model.JavaType.Style;
import org.apache.cxf.tools.java2ws.util.JavaFirstUtil;
import org.apache.cxf.tools.java2wsdl.processor.internal.AntGenerator;
import org.apache.cxf.tools.java2wsdl.processor.internal.jaxws.generator.JaxwsClientGenerator;
import org.apache.cxf.tools.java2wsdl.processor.internal.jaxws.generator.JaxwsImplGenerator;
import org.apache.cxf.tools.java2wsdl.processor.internal.jaxws.generator.JaxwsSEIGenerator;
import org.apache.cxf.tools.java2wsdl.processor.internal.jaxws.generator.JaxwsServerGenerator;
import org.apache.cxf.tools.wsdlto.core.AbstractGenerator;

public class JAXWSFrontEndProcessor implements Processor {
    private static final String SEI_SUFFIX = "_PortType";
    private static final Logger LOG = LogUtils.getL7dLogger(JAXWSFrontEndProcessor.class);
    private ToolContext context;
    private List<AbstractGenerator> generators = new ArrayList();
    private List<String> infList = new ArrayList();
    
    @SuppressWarnings("unchecked")
    public void process() throws ToolException {
        checkJaxwsClass();
        List<ServiceInfo> services = (List)context.get(ToolConstants.SERVICE_LIST);
        ServiceInfo serviceInfo = services.get(0);
        JavaInterface jinf = JavaFirstUtil.serviceInfo2JavaInf(serviceInfo);
        String className = (String)context.get(ToolConstants.IMPL_CLASS);
        if (className != null && className.equals(jinf.getFullClassName())) {
            jinf.setName(jinf.getName() + SEI_SUFFIX);
        }
        JavaModel jm = new JavaModel();
        jm.addInterface("inf", jinf);
        jinf.setJavaModel(jm);
        context.put(JavaModel.class, jm);
        context.put(ToolConstants.SERVICE_NAME, serviceInfo.getName());
        EndpointInfo endpointInfo = serviceInfo.getEndpoints().iterator().next();        
        context.put(ToolConstants.PORT_NAME, endpointInfo.getName());
        generators.add(new JaxwsSEIGenerator());
        generators.add(new JaxwsImplGenerator());
        generators.add(new JaxwsServerGenerator());
        generators.add(new JaxwsClientGenerator());
        generators.add(new AntGenerator());

        for (AbstractGenerator generator : generators) {
            generator.generate(context);
        }

    }

    public void setEnvironment(ToolContext env) {
        this.context = env;
    }

    public JavaInterface serviceInfo2JavaInf(ServiceInfo service) {
        JavaInterface javaInf = new JavaInterface();
        InterfaceInfo inf = service.getInterface();
        for (OperationInfo op : inf.getOperations()) {
            JavaMethod jm = new JavaMethod();
            Method m = (Method)op.getProperty(ReflectionServiceFactoryBean.METHOD);
            jm.setName(m.getName());
            int i = 0;
            for (Type type : m.getGenericParameterTypes()) {
                JavaParameter jp = new JavaParameter();
                jp.setClassName(getClassName(type));
                jp.setStyle(Style.IN);
                jp.setName("arg" + i++);
                jm.addParameter(jp);
            }

            for (Type type : m.getGenericExceptionTypes()) {
                JavaException jex = new JavaException();
                String className = getClassName(type);
                jex.setClassName(className);
                jex.setName(className);
                jm.addException(jex);
            }

            JavaReturn jreturn = new JavaReturn();
            jreturn.setClassName(getClassName(m.getGenericReturnType()));
            jreturn.setStyle(Style.OUT);
            jm.setReturn(jreturn);

            String pkg = PackageUtils.getPackageName(m.getDeclaringClass());
            javaInf.setPackageName(pkg.length() > 0 ? pkg : ToolConstants.DEFAULT_PACKAGE_NAME);
            javaInf.addMethod(jm);
            javaInf.setName(inf.getName().getLocalPart());

            jm.getParameterList();

        }
        return javaInf;
    }

    public String getClassName(Type type) {
        if (type instanceof Class) {
            Class clz = (Class)type;
            if (clz.isArray()) {
                return clz.getComponentType().getName() + "[]";
            } else {
                return clz.getName();
            }
        } else if (type instanceof ParameterizedType) {
            return type.toString();
        } else if (type instanceof GenericArrayType) {
            return type.toString();
        }

        return "";
    }

    public void checkJaxwsClass() {
        Class<?> clz = context.get(Class.class);
        WebService webServiceAnno = (WebService)clz.getAnnotation(WebService.class);
        if (webServiceAnno == null) {
            Message msg = new Message("CLASS_DOESNOT_CARRY_WEBSERVICE_ANNO", LOG, clz.getName());
            LOG.log(Level.WARNING, msg.toString());
            throw new ToolException(msg);
        }
        if (isImplRmiRemote(clz)) {
            Message msg = new Message("PARA_OR_RETURN_IMPL_REMOTE", LOG, clz.getName());
            LOG.log(Level.WARNING, msg.toString());
            throw new ToolException(msg);
        }
    }
    
    
    private boolean isImplRmiRemote(Class claz) {
        for (Method method : claz.getMethods()) {
            if (Modifier.isPublic(method.getModifiers()) && !Modifier.isStatic(method.getModifiers())
                && !method.getDeclaringClass().getName().equals("java.lang.Object")) {
                Class[] paraClasses = method.getParameterTypes();
                for (Class clz : paraClasses) {
                    getInfClass(clz);
                }
                Class returnClass = method.getReturnType();
                getInfClass(returnClass);
            }
        }
        if (infList.contains("java.rmi.Remote")) {
            return true;
        }
        return false;
    }
    
    
    private void getInfClass(Class claz) {
        for (Class inf : claz.getInterfaces()) {
            getInfClass(inf);
        }
        if (claz.getSuperclass() != null) {
            getInfClass(claz.getSuperclass());
        }
        if (claz.isInterface()) {
            infList.add(claz.getName());
        }
    }
    
}