RuntimeDelegateTest.java

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package com.sun.jersey.impl.client;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import com.sun.ws.rs.ext.RuntimeDelegateImpl;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.URI;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.Variant.VariantListBuilder;
import javax.ws.rs.ext.RuntimeDelegate;
import junit.framework.TestCase;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class RuntimeDelegateTest extends TestCase {
    public void testRuntimeDelegateImpl() {
        RuntimeDelegate rd = RuntimeDelegate.getInstance();
        assertEquals(RuntimeDelegateImpl.class, rd.getClass());
    }
    
    public void testMediaType() {
        MediaType m = new MediaType("text", "plain");
    }

    public void testUriBuilder() {
        UriBuilder ub = RuntimeDelegate.getInstance().createUriBuilder();
    }

    public void testResponseBuilder() {
        ResponseBuilder rb = RuntimeDelegate.getInstance().createResponseBuilder();
    }

    public void testVariantListBuilder() {
        VariantListBuilder vlb = RuntimeDelegate.getInstance().createVariantListBuilder();
    }

    public void testWebApplicationException() {
        WebApplicationException wae = new WebApplicationException();
    }

    public void testClient() throws IOException {
        Client c = Client.create();

        int port = getEnvVariable("JERSEY_HTTP_PORT", 9998);

        HttpServer server = null;
        try {
            server = HttpServer.create(new InetSocketAddress(port), 0);

            HttpHandler handler = new HttpHandler() {
                public void handle(HttpExchange e) throws IOException {
                    InputStream in = e.getRequestBody();
                    ByteArrayOutputStream _out = new ByteArrayOutputStream();
                    byte[] buf = new byte[2048];
                    int read = 0;
                    while ((read = in.read(buf)) != -1) {
                        _out.write(buf, 0, read);
                    }

                    e.sendResponseHeaders(200, 0);

                    OutputStream out = e.getResponseBody();
                    in = new ByteArrayInputStream(_out.toByteArray());
                    while ((read = in.read(buf)) != -1) {
                        out.write(buf, 0, read);
                    }
                    out.flush();
                    e.close();
                }
            };
            server.createContext("/", handler);
            server.start();
            
            URI u = UriBuilder.fromUri("http://localhost/").port(port).build();
            WebResource r = c.resource(u);

            String s = r.type("text/plain").post(String.class, "CONTENT");
            assertEquals("CONTENT", s);
        } finally {
            if (server != null)
                server.stop(getEnvVariable("JERSEY_HTTP_STOPSEC", 0));
        }
    }

    private static int getEnvVariable(final String varName, int defaultValue) {
        if (null == varName) {
            return defaultValue;
        }
        String varValue = System.getenv(varName);
        if (null != varValue) {
            try {
                return Integer.parseInt(varValue);
            }catch (NumberFormatException e) {
                // will return default value bellow
            }
        }
        return defaultValue;
    }
}