GetEnvironmentAttributesServlet.java

/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.apphosting.tests.usercode.testservlets;

import com.google.apphosting.api.ApiProxy;
import com.google.apphosting.api.ApiProxy.Environment;

import java.io.IOException;
import java.util.Map.Entry;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * A test servlet that returns the current environment as a map.
 * Returns text/plain with 1 entry per line.  Key and value are delimited by " => ".
 */
public class GetEnvironmentAttributesServlet extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    resp.setContentType("text/plain");
    Environment env = ApiProxy.getCurrentEnvironment();

    for (Entry entry : env.getAttributes().entrySet()) {
      resp.getWriter().println(entry.getKey() + " => " + entry.getValue());
    }
  }
}