Package org.apache.cxf.jaxrs

Source Code of org.apache.cxf.jaxrs.JAXRSServerFactoryBean

/**
* 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.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

import org.apache.cxf.BusException;
import org.apache.cxf.binding.BindingConfiguration;
import org.apache.cxf.binding.BindingFactory;
import org.apache.cxf.binding.BindingFactoryManager;
import org.apache.cxf.endpoint.AbstractEndpointFactory;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.endpoint.EndpointException;
import org.apache.cxf.endpoint.EndpointImpl;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.endpoint.ServerImpl;
import org.apache.cxf.feature.AbstractFeature;
import org.apache.cxf.jaxrs.impl.RequestPreprocessor;
import org.apache.cxf.jaxrs.lifecycle.ResourceProvider;
import org.apache.cxf.jaxrs.provider.ProviderFactory;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.factory.ServiceConstructionException;
import org.apache.cxf.service.invoker.Invoker;
import org.apache.cxf.service.model.BindingInfo;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.DestinationFactory;
import org.apache.cxf.transport.DestinationFactoryManager;


/**
* Bean to help easily create Server endpoints for JAX-RS. Example:
* <pre>
* JAXRSServerFactoryBean sf = JAXRSServerFactoryBean();
* sf.setResourceClasses(Book.class);
* sf.setBindingId(JAXRSBindingFactory.JAXRS_BINDING_ID);
* sf.setAddress("http://localhost:9080/");
* sf.create();
* </pre>
* This will start a server for you and register it with the ServerManager.
*/
public class JAXRSServerFactoryBean extends AbstractEndpointFactory {
    protected boolean doInit;
    private Server server;
    private Invoker invoker;
    private boolean start = true;
    private JAXRSServiceFactoryBean serviceFactory;
    private List<Object> serviceBeans;
    private List<?> entityProviders;
    private Map<Object, Object> languageMappings;
    private Map<Object, Object> extensionMappings;
    private List<String> schemaLocations;

    public JAXRSServerFactoryBean() {
        this(new JAXRSServiceFactoryBean());
    }

    public JAXRSServerFactoryBean(JAXRSServiceFactoryBean sf) {
        this.serviceFactory = sf;
        doInit = true;
        setBindingId(JAXRSBindingFactory.JAXRS_BINDING_ID);
    }
   
    public void setSchemaLocations(List<String> schemas) {
        this.schemaLocations = schemas;   
    }
   
    public Server create() {
        try {
            Endpoint ep = createEndpoint();
            server = new ServerImpl(getBus(),
                                    ep,
                                    getDestinationFactory(),
                                    getBindingFactory());

            if (invoker == null) {
                ep.getService().setInvoker(createInvoker());
            } else {
                ep.getService().setInvoker(invoker);
            }
            if (entityProviders != null) {
                ProviderFactory.getInstance().setUserProviders(entityProviders);
            }
            ProviderFactory.getInstance().setRequestPreporcessor(
                new RequestPreprocessor(languageMappings, extensionMappings));
            if (schemaLocations != null) {
                ProviderFactory.getInstance().setSchemaLocations(schemaLocations);
            }
           
            if (start) {
                server.start();
            }
        } catch (EndpointException e) {
            throw new ServiceConstructionException(e);
        } catch (BusException e) {
            throw new ServiceConstructionException(e);
        } catch (IOException e) {
            throw new ServiceConstructionException(e);
        }

        applyFeatures();
        return server;
    }

    protected void applyFeatures() {
        if (getFeatures() != null) {
            for (AbstractFeature feature : getFeatures()) {
                feature.initialize(server, getBus());
            }
        }
    }

    protected Invoker createInvoker() {
        if (serviceBeans == null) {
            return new JAXRSInvoker();
        } else {
            return new JAXRSInvoker(serviceBeans);          
        }
    }

    protected Endpoint createEndpoint() throws BusException, EndpointException {
        Service service = serviceFactory.getService();

        if (service == null) {
            service = serviceFactory.create();
        }

        EndpointInfo ei = createEndpointInfo();
        Endpoint ep = new EndpointImpl(getBus(), getServiceFactory().getService(), ei);
       
        if (properties != null) {
            ep.putAll(properties);
        }
       
        if (getInInterceptors() != null) {
            ep.getInInterceptors().addAll(getInInterceptors());
        }
        if (getOutInterceptors() != null) {
            ep.getOutInterceptors().addAll(getOutInterceptors());
        }
        if (getInFaultInterceptors() != null) {
            ep.getInFaultInterceptors().addAll(getInFaultInterceptors());
        }
        if (getOutFaultInterceptors() != null) {
            ep.getOutFaultInterceptors().addAll(getOutFaultInterceptors());
        }
        return ep;
    }

    /*
     * EndpointInfo contains information form WSDL's physical part such as
     * endpoint address, binding, transport etc. For JAX-RS based EndpointInfo,
     * as there is no WSDL, these information are set manually, eg, default
     * transport is http, binding is JAX-RS binding, endpoint address is from
     * server mainline.
     */   
    protected EndpointInfo createEndpointInfo() throws BusException {
        String transportId = getTransportId();
        if (transportId == null && getAddress() != null) {
            DestinationFactory df = getDestinationFactory();
            if (df == null) {
                DestinationFactoryManager dfm = getBus().getExtension(DestinationFactoryManager.class);
                df = dfm.getDestinationFactoryForUri(getAddress());
            }

            if (df != null) {
                transportId = df.getTransportIds().get(0);
            }
        }

        //default to http transport
        if (transportId == null) {
            transportId = "http://schemas.xmlsoap.org/wsdl/soap/http";
        }

        setTransportId(transportId);

        EndpointInfo ei = new EndpointInfo();
        ei.setTransportId(transportId);
        ei.setName(serviceFactory.getService().getName());
        ei.setAddress(getAddress());       

        BindingInfo bindingInfo = createBindingInfo();
        ei.setBinding(bindingInfo);

        return ei;
    }

    protected BindingInfo createBindingInfo() {
        BindingFactoryManager mgr = getBus().getExtension(BindingFactoryManager.class);
        String binding = getBindingId();
        BindingConfiguration bindingConfig = getBindingConfig();

        if (binding == null && bindingConfig != null) {
            binding = bindingConfig.getBindingId();
        }

        if (binding == null) {
            binding = JAXRSBindingFactory.JAXRS_BINDING_ID;
        }

        try {
            BindingFactory bindingFactory = mgr.getBindingFactory(binding);
            setBindingFactory(bindingFactory);
            return bindingFactory.createBindingInfo(serviceFactory.getService(),
                                                    binding, bindingConfig);
        } catch (BusException ex) {
            ex.printStackTrace();
            //do nothing
        }
        return null;
    }

    public void setLanguageMappings(Map<Object, Object> lMaps) {
        languageMappings = lMaps;
    }
   
    public void setExtensionMappings(Map<Object, Object> extMaps) {
        extensionMappings = extMaps;
    }
   
    public JAXRSServiceFactoryBean getServiceFactory() {
        return serviceFactory;
    }

    public void setServiceFactory(JAXRSServiceFactoryBean serviceFactory) {
        this.serviceFactory = serviceFactory;
    }
   
    public List<Class> getResourceClasses() {
        return serviceFactory.getResourceClasses();
    }

    public void setResourceClasses(List<Class> classes) {
        serviceFactory.setResourceClasses(classes);
    }

    public void setResourceClasses(Class... classes) {
        serviceFactory.setResourceClasses(classes);
    }
   
    /**
     * Set the backing service bean. If this is set, JAX-RS runtime will not be
     * responsible for the lifecycle of resource classes.
     *
     * @return
     */
    public void setServiceBeans(Object... beans) {
        setServiceBeans(Arrays.asList(beans));
    }
   
    public void setServiceBeans(List<Object> beans) {
        this.serviceBeans = beans;
        serviceFactory.setResourceClassesFromBeans(beans);
    }
   
    public void setResourceProvider(Class c, ResourceProvider rp) {
        serviceFactory.setResourceProvider(c, rp);
    }

    /**
     * @return the entityProviders
     */
    public List<?> getProviders() {
        return entityProviders;
    }

    /**
     * @param entityProviders the entityProviders to set
     */
    public void setProviders(List<? extends Object> providers) {
        this.entityProviders = providers;
    }
}
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