package org.jboss.resteasy.client;
import org.apache.commons.httpclient.HttpClient;
import org.jboss.resteasy.client.core.ClientInvoker;
import org.jboss.resteasy.client.core.ClientInvokerInterceptorFactory;
import org.jboss.resteasy.client.core.ClientProxy;
import org.jboss.resteasy.client.core.executors.ApacheHttpClientExecutor;
import org.jboss.resteasy.client.core.marshallers.ResteasyClientProxy;
import org.jboss.resteasy.spi.ProviderFactoryDelegate;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import org.jboss.resteasy.util.IsHttpMethod;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Set;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class ProxyFactory
{
public static <T> T create(Class<T> clazz, String base)
{
return create(clazz, base, new HttpClient());
}
public static <T> T create(Class<T> clazz, String base, HttpClient client)
{
return create(clazz, createUri(base), client, ResteasyProviderFactory.getInstance());
}
public static URI createUri(String base)
{
try
{
return new URI(base);
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
public static <T> T create(Class<T> clazz, URI baseUri, HttpClient httpClient, ResteasyProviderFactory providerFactory)
{
return create(clazz, baseUri, new ApacheHttpClientExecutor(httpClient), providerFactory);
}
@SuppressWarnings("unchecked")
public static <T> T create(Class<T> clazz, URI baseUri, ClientExecutor executor, ResteasyProviderFactory providerFactory)
{
HashMap<Method, ClientInvoker> methodMap = new HashMap<Method, ClientInvoker>();
if (providerFactory instanceof ProviderFactoryDelegate)
{
providerFactory = ((ProviderFactoryDelegate) providerFactory).getDelegate();
}
for (Method method : clazz.getMethods())
{
ClientInvoker invoker = null;
Set<String> httpMethods = IsHttpMethod.getHttpMethods(method);
if (httpMethods == null || httpMethods.size() != 1)
{
throw new RuntimeException("You must use at least one, but no more than one http method annotation on: " + method.toString());
}
invoker = new ClientInvoker(baseUri, clazz, method, providerFactory, executor);
ClientInvokerInterceptorFactory.applyDefaultInterceptors(invoker, providerFactory, clazz, method);
invoker.setHttpMethod(httpMethods.iterator().next());
methodMap.put(method, invoker);
}
Class<?>[] intfs = {clazz, ResteasyClientProxy.class};
ClientProxy clientProxy = new ClientProxy(methodMap);
// this is done so that equals and hashCode work ok. Adding the proxy to a
// Collection will cause equals and hashCode to be invoked. The Spring
// infrastructure had some problems without this.
clientProxy.setClazz(clazz);
return (T) Proxy.newProxyInstance(clazz.getClassLoader(), intfs, clientProxy);
}
}