InjectedProviderTest.java

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package com.sun.jersey.impl.entity;

import com.sun.jersey.impl.AbstractResourceTester;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class InjectedProviderTest extends AbstractResourceTester {
    public static class Bean implements Serializable {
        private String string;

        public Bean() { }

        public Bean(String string) {
            this.string = string;
        }

        public String getString() { return string; }

        public void setString(String string) { this.string = string; }
    }

    @Provider
    public static class BeanReader implements MessageBodyReader<Bean> {
        public boolean isReadable(Class<?> type, Type genericType, Annotation annotations[], MediaType mediaType) {
            return type == Bean.class;
        }

        public Bean readFrom(
                Class<Bean> type,
                Type genericType,
                Annotation annotations[],
                MediaType mediaType,
                MultivaluedMap<String, String> httpHeaders,
                InputStream entityStream) throws IOException {
            ObjectInputStream oin = new ObjectInputStream(entityStream);
            try {
                return (Bean)oin.readObject();
            } catch (ClassNotFoundException cause) {
                IOException effect = new IOException(cause.getLocalizedMessage());
                effect.initCause(cause);
                throw effect;
            }
        }
    }

    @Provider
    public static class InjectedBeanReaderWriter extends BeanReader implements MessageBodyWriter<Bean> {
        @Context UriInfo uriInfo;

        public boolean isWriteable(Class<?> type, Type genericType, Annotation annotations[], MediaType mediaType) {
            return type == Bean.class;
        }

        public void writeTo(
                Bean t,
                Class<?> type,
                Type genericType,
                Annotation annotations[],
                MediaType mediaType,
                MultivaluedMap<String, Object> httpHeaders,
                OutputStream entityStream) throws IOException {
            t.setString(uriInfo.getRequestUri().toString());
            ObjectOutputStream out = new ObjectOutputStream(entityStream);
            out.writeObject(t);
            out.flush();
        }

        public long getSize(Bean t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
            return -1;
        }
    }
        
    @Path("/one/two/three")
    public static class BeanResource {
        @GET
        public Bean get() {
            return new Bean("");
        }
    }
    
    public InjectedProviderTest(String testName) {
        super(testName);
    }
    
    public void testBean() throws Exception {
        initiateWebApplication(BeanResource.class, InjectedBeanReaderWriter.class);

        ClientConfig cc = new DefaultClientConfig();
        cc.getClasses().add(BeanReader.class);
        WebResource r = resource("/one/two/three", cc);
        Bean b = r.get(Bean.class);
        String requestUri = UriBuilder.fromUri(BASE_URI).
                path(BeanResource.class).build().toString();
        assertEquals(requestUri, b.getString());
    }    
}