org.apache.hadoop.chukwa.rest.bean.ColumnBean.java Source code

Introduction

Here is the source code for org.apache.hadoop.chukwa.rest.bean.ColumnBean.java

Source

/*
 * 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.rest.bean;

import java.text.ParseException;

import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElements;
import javax.xml.bind.annotation.XmlTransient;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import org.apache.hadoop.chukwa.util.ExceptionUtil;

public class ColumnBean {
    private WidgetBean[] widgets;

    private static Log log = LogFactory.getLog(ColumnBean.class);

    public ColumnBean() {
    }

    public ColumnBean(JSONArray json) throws ParseException {
        try {
            widgets = new WidgetBean[json.length()];
            for (int i = 0; i < json.length(); i++) {
                widgets[i] = new WidgetBean(json.getJSONObject(i));
            }
        } catch (JSONException e) {
            log.error(ExceptionUtil.getStackTrace(e));
            throw new ParseException(ExceptionUtil.getStackTrace(e), 0);
        }
    }

    @XmlElement
    public WidgetBean[] getWidgets() {
        return widgets;
    }

    public void setWidgets(WidgetBean[] ws) {
        widgets = ws;
    }

    public void update() {
        for (int i = 0; i < widgets.length; i++) {
            widgets[i].update();
        }
    }

    public JSONArray deserialize() {
        JSONArray ja = new JSONArray();
        for (int i = 0; i < widgets.length; i++) {
            ja.put(widgets[i].deserialize());
        }
        return ja;
    }
}