InjectableProviderTest.java

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package com.sun.jersey.impl.client;

import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.core.spi.component.ComponentScope;
import com.sun.jersey.impl.container.grizzly.*;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.spi.inject.Injectable;
import com.sun.jersey.spi.inject.InjectableProvider;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class InjectableProviderTest extends AbstractGrizzlyServerTester {
    public static class InjectableType { 
        String s;
        
        InjectableType(String s) {
            this.s = s;
        }
    }

    @Provider
    public static class InjectableTypeProvider implements InjectableProvider<Context, Type> {

        public ComponentScope getScope() {
            return ComponentScope.Singleton;
        }

        public Injectable getInjectable(ComponentContext ic, Context a, Type c) {
            if (c != InjectableType.class)
                return null;
            final InjectableType it = new InjectableType("INJECT");
            
            return new Injectable<InjectableType>() {
                public InjectableType getValue() {
                    return it;
                }
            };
        }
    }

    public static class StringType {
        String s;

        StringType(String s) {
            this.s = s;
        }
    }

    @Provider
    public static class StringTypeWriter implements MessageBodyWriter<StringType> {
        @Context InjectableType it;

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

        public long getSize(StringType t, Class<?> type, Type genericType,
                Annotation[] annotations, MediaType mediaType) {
            return -1;
        }

        public void writeTo(StringType t, Class<?> type, Type genericType,
                Annotation[] annotations, MediaType mediaType,
                MultivaluedMap<String, Object> httpHeaders,
                OutputStream entityStream) throws IOException, WebApplicationException {
            String s = it.s + " " + t.s;
            entityStream.write(s.getBytes());
        }
    }

    @Path("/")
    public static class Resource {
        @POST
        public String get(String s) {
            return s;
        }               
    }
        
    public InjectableProviderTest(String testName) {
        super(testName);
    }
    
    public void testInjectableProvider() throws Exception {
        startServer(Resource.class);

        ClientConfig cc = new DefaultClientConfig();
        cc.getClasses().add(InjectableTypeProvider.class);
        cc.getClasses().add(StringTypeWriter.class);
        Client c = Client.create(cc);
        
        WebResource r = c.resource(getUri().build());
        String s = r.post(String.class, new StringType("test"));
        assertEquals("INJECT test", s);
    }
}