| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.ambari.view.cluster; |
| |
| import org.apache.ambari.view.ViewContext; |
| |
| import javax.inject.Inject; |
| import java.util.Map; |
| |
| /** |
| * The base property service. |
| */ |
| public abstract class PropertyService { |
| |
| /** |
| * The view context. |
| */ |
| @Inject |
| protected ViewContext context; |
| |
| protected String getResponse(String ... propertyNames) { |
| |
| Map<String, String> properties = context.getProperties(); |
| |
| StringBuffer buffer = new StringBuffer(); |
| int count = 0; |
| |
| buffer.append("["); |
| for (String propertyName : propertyNames) { |
| if (count++ > 0) { |
| buffer.append(",\n"); |
| } |
| buffer.append(getPropertyResponse(properties, propertyName)); |
| } |
| buffer.append("]"); |
| |
| return buffer.toString(); |
| } |
| |
| private String getPropertyResponse(Map<String, String> properties, String key) { |
| StringBuffer buffer = new StringBuffer(); |
| |
| String value = properties.get(key); |
| |
| buffer.append("{\""); |
| buffer.append(key); |
| buffer.append("\" : \""); |
| buffer.append(value); |
| buffer.append("\"}"); |
| |
| return buffer.toString(); |
| } |
| } // end PropertyService |