DefaultGatewayConfigurationFilter.java

/*
 * Copyright 2011 Google Inc.
 * 
 * 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.jstestdriver.requesthandlers;

import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.inject.Inject;
import com.google.jstestdriver.hooks.GatewayConfigurationFilter;
import com.google.jstestdriver.hooks.ProxyDestination;

/**
 * @author rdionne@google.com (Robert Dionne)
 */
public class DefaultGatewayConfigurationFilter implements
    GatewayConfigurationFilter {
  
  @Inject(optional=true) private ProxyDestination destination;

  public JsonArray filter(JsonArray gatewayConfig) {
    if (destination == null) {
      return gatewayConfig;
    } else {
      final JsonArray newGatewayConfig = new JsonArray();
      newGatewayConfig.addAll(gatewayConfig);
      final JsonObject entry = new JsonObject();
      entry.addProperty("matcher", "*");
      entry.addProperty("server", destination.getDestinationAddress());
      newGatewayConfig.add(entry);
      return newGatewayConfig;
    }
  }
}