<% /* * 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. */ %> <%@ page import = "org.apache.hadoop.chukwa.extraction.engine.datasource.DsDirectory, org.json.*" %> <% String cluster = (String) session.getAttribute("cluster"); if(cluster==null) { cluster="unknown"; } JSONArray array = new JSONArray(); DsDirectory ds = DsDirectory.getInstance(); String[] list = ds.list(cluster); for(String dataSource : list) { JSONObject hash = new JSONObject(); hash.put("label", dataSource); hash.put("value", dataSource); array.put(hash); } out.println(array.toString()); %>