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Aliyun LOG Java SDK
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/*
 * 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 com.aliyun.openservices.log.common;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import com.aliyun.openservices.log.common.Logs.Log;
import com.aliyun.openservices.log.common.Logs.Log.Content;
import com.aliyun.openservices.log.common.Logs.LogGroup;
import com.aliyun.openservices.log.exception.LogException;

/**
 * LogGroup is the basic data structure for send, contains meta and logs
 * 
 * @author sls_dev
 * 
 */

public class LogGroupData implements Serializable {

	private static final long serialVersionUID = -7939302281903476332L;
	protected String mReserved = "";
	protected String mTopic = "";
	protected String mSource = "";
	protected String mMachineUUID = "";
	protected ArrayList mLogs;
	protected LogGroup mLogGroup = null;
	protected FastLogGroup mFastLogGroup = null;
	protected byte[] rawBytes = null;
	protected int offset;
	protected int length;
	protected String mRequestId = "";

	/**
	 * Construct a empty LogGroup
	 */
	public LogGroupData() {
	}

	public LogGroupData(byte[] rawBytes, int offset, int length, String requestId) {
		this.rawBytes = rawBytes;
		this.offset = offset;
		this.length = length;
		mRequestId = requestId;
	}

	public LogGroupData(LogGroup logGroup) {
		mLogGroup = logGroup;
	}

	public LogGroup GetLogGroup() throws LogException {
		if (mLogGroup == null) {
			ParseLogGroupPb();
		}
		return mLogGroup;
	}

	public void SetLogGroup(LogGroup mLogGroup) {
		this.mLogGroup = mLogGroup;
	}

	public FastLogGroup GetFastLogGroup() {
	    if (mFastLogGroup == null) {
			mFastLogGroup = new FastLogGroup(this.rawBytes, this.offset, this.length);
		}
		return mFastLogGroup;
	}

	@Deprecated
	public LogGroupData(LogGroupData logGroup) {
		mReserved = logGroup.GetReserved();
		mTopic = logGroup.GetTopic();
		mSource = logGroup.GetSource();
		mMachineUUID = logGroup.GetMachineUUID();
		mLogs = logGroup.mLogs;
		mLogGroup = logGroup.mLogGroup;
	}
	@Deprecated
	public LogGroupData(String reserved, String topic, String source, String mMachineUUID, ArrayList logs) {
		mReserved = reserved;
		mTopic = topic;
		mSource = source;
		SetAllLogs(logs);
	}

	private boolean ParseLogGroupPb() throws LogException {
		ByteArrayInputStream inputStream = new ByteArrayInputStream(this.rawBytes, this.offset, this.length);
		try {
			mLogGroup = LogGroup.parseFrom(inputStream);
		} catch (IOException e) {
			throw new LogException("InitLogGroupsError", e.getMessage(), e, mRequestId);
		}
		return true;
	}

	protected void AutoDeserilize() throws LogException {
		if (mLogGroup == null) {
			if (!ParseLogGroupPb()) {
				return;
			}
		}
		if(mLogs != null) {
			return;
		}
		if (mLogGroup.hasCategory()) {
			SetReserved(mLogGroup.getCategory());
		}
		if (mLogGroup.hasTopic()) {
			SetTopic(mLogGroup.getTopic());
		}
		if (mLogGroup.hasSource()) {
			SetSource(mLogGroup.getSource());
		}
		if (mLogGroup.hasMachineUUID())
		{
			SetMachineUUID(mLogGroup.getMachineUUID());
		}
		List logs = mLogGroup.getLogsList();
		ArrayList logItems = new ArrayList();
		for (Log log:logs) {
			ArrayList logContents = new ArrayList();
			for(Content content:log.getContentsList()) {
				logContents.add(new LogContent(content.getKey(), content.getValue()));
			}
			logItems.add(new LogItem(log.getTime(), (log.hasTimeNs() ? log.getTimeNs() : 0), logContents));
		}
		
		SetAllLogs(logItems);
	}
	/**
	 * @return the logs
	 */
	@Deprecated
	public ArrayList GetAllLogs() throws LogException {
		AutoDeserilize();
		return mLogs;
	}

	/**
	 * @param index the index of log array
	 * @return the log
	 */
	@Deprecated
	public LogItem GetLogByIndex(int index) throws LogException {
		AutoDeserilize();
		return mLogs.get(index);
	}
	
	/**
	 * @param logs the logs to set
	 */
	@Deprecated
	public void SetAllLogs(ArrayList logs) {
		mLogs = logs;
	}

	/**
	 * @return the reserved
	 */
	@Deprecated
	public String GetReserved() {
		return mReserved;
	}

	/**
	 * @param reserved the reserved to set
	 */
	@Deprecated
	public void SetReserved(String reserved) {
		mReserved = reserved;
	}

	/**
	 * @return the topic
	 */
	@Deprecated
	public String GetTopic() {
		return mLogGroup.getTopic();
	}

	/**
	 * @param topic the topic to set
	 */
	@Deprecated
	public void SetTopic(String topic) {
		mTopic = topic;
	}

	/**
	 * @return the source
	 */
	@Deprecated
	public String GetSource() {
		return mLogGroup.getSource();
	}

	/**
	 * @param source the source to set
	 */
	@Deprecated
	public void SetSource(String source) {
		mSource = source;
	}
	@Deprecated
	public String GetMachineUUID()
	{
		return mLogGroup.getMachineUUID();
	}
	@Deprecated
	public void SetMachineUUID(String machineUUID)
	{
		mMachineUUID = machineUUID;
	}

	public int getRawSize() {
		return length;
	}
}