/**
 * Copyright (C) 2013 Matija Mazi
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package si.mazi.rescu;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

import javax.ws.rs.Path;

/**
 * @author Matija Mazi
 */
public class RestInvocationHandler implements InvocationHandler {

  private final HttpTemplate httpTemplate;
  private final String intfacePath;
  private final String baseUrl;

  /**
   * Constructor
   * 
   * @param restInterface
   * @param url
   */
  public RestInvocationHandler(Class<?> restInterface, String url) {

    this.intfacePath = restInterface.getAnnotation(Path.class).value();
    this.baseUrl = url;
    this.httpTemplate = new HttpTemplate();
  }

  public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {

    RestRequestData restRequestData = RestRequestData.create(method, args, baseUrl, intfacePath);
    return invokeHttp(restRequestData);
  }

  protected Object invokeHttp(RestRequestData restRequestData) {

    return httpTemplate.executeRequest(restRequestData.url, restRequestData.returnType, restRequestData.params.getRequestBody(), restRequestData.params.getHttpHeaders(), restRequestData.httpMethod,
        restRequestData.params.getContentType());
  }

}

/**
 * Copyright (C) 2013 Matija Mazi
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package si.mazi.rescu;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

import javax.ws.rs.Path;

/**
 * @author Matija Mazi
 */
public class RestInvocationHandler implements InvocationHandler {

  private final HttpTemplate httpTemplate;
  private final String intfacePath;
  private final String baseUrl;

  /**
   * Constructor
   *
   * @param restInterface
   * @param url
   */
  public RestInvocationHandler(Class<?> restInterface, String url) {

    this.intfacePath = restInterface.getAnnotation(Path.class).value();
    this.baseUrl = url;
    this.httpTemplate = new HttpTemplate();
  }

  public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {

    RestRequestData restRequestData = RestRequestData.create(method, args, baseUrl, intfacePath);
    return invokeHttp(restRequestData);
  }

  protected Object invokeHttp(RestRequestData restRequestData) {

    return httpTemplate.executeRequest(restRequestData.url, restRequestData.returnType, restRequestData.params.getRequestBody(), restRequestData.params.getHttpHeaders(), restRequestData.httpMethod,
        restRequestData.params.getContentType());
  }

}

Remove @Override on implementation -- Java 1.5 compatibility