Apache CXF example source code file (JAXRSServiceFactoryBean.java)

This example Apache CXF source code file (JAXRSServiceFactoryBean.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, classresourceinfo, classresourceinfo, invoker, jaxrsservicefactorybean, list, list, map, map, object, service, threading, threads, userresource, userresource, util

The Apache CXF JAXRSServiceFactoryBean.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.jaxrs;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executor;

import javax.ws.rs.Path;
import javax.xml.namespace.QName;

import org.apache.cxf.common.util.ClassHelper;
import org.apache.cxf.jaxrs.lifecycle.SingletonResourceProvider;
import org.apache.cxf.jaxrs.model.ClassResourceInfo;
import org.apache.cxf.jaxrs.model.UserResource;
import org.apache.cxf.jaxrs.utils.AnnotationUtils;
import org.apache.cxf.jaxrs.utils.InjectionUtils;
import org.apache.cxf.jaxrs.utils.ResourceUtils;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.factory.AbstractServiceFactoryBean;
import org.apache.cxf.service.factory.FactoryBeanListener.Event;
import org.apache.cxf.service.invoker.Invoker;


/**
 * Build a JAX-RS service model from resource classes.
 */
public class JAXRSServiceFactoryBean extends AbstractServiceFactoryBean {
    
    protected List<ClassResourceInfo> classResourceInfos = 
        new ArrayList<ClassResourceInfo>();
    
    private Invoker invoker;
    private Executor executor;
    private Map<String, Object> properties;
    private boolean enableStatic;
    private QName serviceName;
    
    public JAXRSServiceFactoryBean() {
    }

    public void setServiceName(QName name) {
        this.serviceName = name;
    }
    
    public void setEnableStaticResolution(boolean staticResolution) {
        this.enableStatic = staticResolution;
    }
    
    @Override
    public Service create() {
        sendEvent(Event.START_CREATE);

        initializeServiceModel();

        initializeDefaultInterceptors();

        if (invoker != null) {
            getService().setInvoker(getInvoker());
        } else {
            getService().setInvoker(createInvoker());
        }

        if (getExecutor() != null) {
            getService().setExecutor(getExecutor());
        }
        if (getDataBinding() != null) {
            getService().setDataBinding(getDataBinding());
        }

        Service serv = getService();
        sendEvent(Event.END_CREATE, serv);
        return serv;
    }

    public Executor getExecutor() {
        return executor;
    }

    public void setExecutor(Executor executor) {
        this.executor = executor;
    }

    public Invoker getInvoker() {
        return invoker;
    }

    public void setInvoker(Invoker invoker) {
        this.invoker = invoker;
    }

    public List<Class getResourceClasses() {
        List<Class resourceClasses = new ArrayList>();
        for (ClassResourceInfo cri : classResourceInfos) {
            resourceClasses.add(cri.getResourceClass());
        }
        return resourceClasses;
    }

    public List<ClassResourceInfo> getClassResourceInfo() {
        return Collections.unmodifiableList(classResourceInfos);
    }
    
    List<ClassResourceInfo> getRealClassResourceInfo() {
        return classResourceInfos;
    }
    
    public void setResourceClass(Class cls) {
        if (getCreatedFromModel(cls) == null) {
            classResourceInfos.clear();
            boolean isRoot = AnnotationUtils.getClassAnnotation(cls, Path.class) != null;
            createResourceInfo(cls, isRoot);
        }
    }
    
    public void setResourceClasses(List<Class> classes) {
        for (Class resourceClass : classes) {
            
            ClassResourceInfo cri = getCreatedFromModel(resourceClass);
            if (cri != null) {
                if (!InjectionUtils.isConcreteClass(cri.getServiceClass())) {
                    cri = new ClassResourceInfo(cri);
                    cri.setResourceClass(resourceClass);
                    classResourceInfos.add(cri);
                }
                continue;
            }
            
            createResourceInfo(resourceClass, true);
        }
    }
    
    public void setUserResources(List<UserResource> resources) {
        Map<String, UserResource> map = userResourcesAsMap(resources);
        for (UserResource ur : resources) {
            if (ur.getPath() != null) {
                ClassResourceInfo cri = ResourceUtils.createClassResourceInfo(map, ur, true, enableStatic);
                if (cri != null) {
                    classResourceInfos.add(cri);
                }
            }
        }
    }
    
    public void setUserResourcesWithServiceClass(List<UserResource> resources, Class ...sClasses) {
        Map<String, UserResource> map = userResourcesAsMap(resources);
        for (Class<?> sClass : sClasses) {
            ClassResourceInfo cri = ResourceUtils.createServiceClassResourceInfo(
                map, map.get(sClass.getName()), sClass, true, enableStatic);
            if (cri != null) {
                classResourceInfos.add(cri);
            }
        }
    }
    
    private Map<String, UserResource> userResourcesAsMap(List resources) {
        Map<String, UserResource> map = new HashMap();
        for (UserResource ur : resources) {
            map.put(ur.getName(), ur);
        }
        return map;
    }
    
    protected ClassResourceInfo createResourceInfo(Class cls, boolean isRoot) {
        ClassResourceInfo classResourceInfo = 
            ResourceUtils.createClassResourceInfo(cls, cls, isRoot, enableStatic);
        if (classResourceInfo != null) {
            classResourceInfos.add(classResourceInfo);
        }
        return classResourceInfo;
    }

    public void setResourceClasses(Class... classes) {
        setResourceClasses(Arrays.asList(classes));
    }
    
    public void setResourceClassesFromBeans(List<Object> beans) {
        for (Object bean : beans) {
            
            Class<?> realClass = ClassHelper.getRealClass(bean);
            
            ClassResourceInfo cri = getCreatedFromModel(realClass);
            if (cri != null) {
                if (!InjectionUtils.isConcreteClass(cri.getServiceClass())) {
                    cri = new ClassResourceInfo(cri);
                    classResourceInfos.add(cri);
                }
                cri.setResourceClass(bean.getClass());
                cri.setResourceProvider(new SingletonResourceProvider(bean));
                continue;
            }
            
            cri = ResourceUtils.createClassResourceInfo(bean.getClass(), realClass, true, enableStatic);
            if (cri != null) {
                classResourceInfos.add(cri);
                cri.setResourceProvider(
                                   new SingletonResourceProvider(bean));
            }
        }
    }
    
    private ClassResourceInfo getCreatedFromModel(Class<?> realClass) {
        sendEvent(Event.CREATE_FROM_CLASS, realClass);

        for (ClassResourceInfo cri : classResourceInfos) {
            if (cri.isCreatedFromModel() 
                && cri.isRoot() && cri.getServiceClass().isAssignableFrom(realClass)) {
                return cri;
            }
        }
        return null;
    }
    
    protected void initializeServiceModel() {
        
        JAXRSServiceImpl service = new JAXRSServiceImpl(classResourceInfos, serviceName);

        setService(service);
        sendEvent(Event.SERVICE_SET, service);

        if (properties != null) {
            service.putAll(properties);
        }
    }

    protected Invoker createInvoker() {
        return new JAXRSInvoker();
    }

    public void setService(Service service) {
        super.setService(service);
    }
}