/*
* 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.hadoop.chukwa.hicc;
import java.net.*;
import java.io.*;
import org.json.*;
public class JSONLoader {
public JSONArray jsonData;
static public String getContents(String source) {
// ...checks on aFile are elided
StringBuffer contents = new StringBuffer();
try {
// use buffering, reading one line at a time
// FileReader always assumes default encoding is OK!
URL yahoo = new URL(source);
BufferedReader in = new BufferedReader(new InputStreamReader(yahoo
.openStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
contents.append(inputLine);
contents.append(System.getProperty("line.separator"));
}
in.close();
} catch (IOException ex) {
ex.printStackTrace();
}
return contents.toString();
}
public JSONLoader(String source) {
String buffer = getContents(source);
try {
JSONObject rows = new JSONObject(buffer);
jsonData = new JSONArray(rows.get("rows").toString());
} catch (JSONException e) {
}
}
public String getTS(int i) {
String ts = null;
try {
ts = ((JSONObject) jsonData.get(i)).get("ts").toString();
} catch (JSONException e) {
}
return ts;
}
public String getTags(int i) {
String tags = null;
try {
tags = ((JSONObject) jsonData.get(i)).get("tags")
.toString();
} catch (JSONException e) {
}
return tags;
}
public String getValue(int i) {
String value = null;
try {
value = ((JSONObject) jsonData.get(i)).get("value")
.toString();
} catch (JSONException e) {
}
return value;
}
public int length() {
return jsonData.length();
}
}