DownloadFileModule.java
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package com.sunvote.xpadcomm;
import android.os.Environment;
import android.os.Handler;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.InetAddress;
import com.sunvote.util.LogUtil;
import com.sunvote.xpadapp.utils.FileUtil;
/**
* Created by Elvis on 2017/12/25 15:32
* Email:Eluis@psunsky.com
* 版权所有：长沙中天电子设计开发有限公司
* Description: 人大通用版XPadAppRD
*/
public class DownloadFileModule {
public static final String TAG = "DonwloadFileModule";
public final static String FILEPATH = Environment.getExternalStorageDirectory().getPath() + File.separator + "sunvote" + File.separator;
public final static int DEFAULT_OVERTIME = 60000;
private static volatile DownloadFileModule instnce;
private DownloadFileSendThread downloadFileSendThread;
private DownloadFileReceiverThread downloadFileReceiverThread;
private FileOutputStream fileOutputStream;
private String ip;
private int port;
private int currentBlockId = -1;
private long receiverSize = 0;
private long fileLength = 0;
private byte flag = -1;
private int index = -1;
private int keypadId = 0;
private String fileName;
private InetAddress servInetAddress;
private long overTime = DEFAULT_OVERTIME ;
private FileReciverInterface fileReciverInterface;
private Handler handler ;
private boolean work = false;
private DownloadFileReceiverThread.OnDownloadCmdListener onDownloadCmdListener = new DownloadFileReceiverThread.OnDownloadCmdListener() {
@Override
public void onReceiverFileInfo(String filename, long length, byte fileFlag) {
if(handler != null) {
handler.removeCallbacks(checkTask);
handler.postDelayed(checkTask, overTime);
}
if(flag != fileFlag) {
flag = fileFlag;
File folder = new File(FILEPATH);
if (!folder.exists()) {
folder.mkdir();
if (folder.exists()) {
LogUtil.d(TAG, "create dir ok!");
}
}
fileName = filename;
File saveFile = new File(FILEPATH + filename);
if (saveFile.exists()) {
saveFile.delete();
}
try {
fileOutputStream = new FileOutputStream(saveFile);
} catch (FileNotFoundException e) {
LogUtil.e(TAG, e);
}
fileLength = length;
index = currentBlockId = 0;
sendNextData((byte) 2, index);
if (fileReciverInterface != null) {
fileReciverInterface.onDownload(0);
}
}
}
@Override
public void onReceiverFileData(int blockId, byte[] datas, int start, int dataLen) {
if(handler != null) {
handler.removeCallbacks(checkTask);
handler.postDelayed(checkTask, overTime);
}
if (blockId == currentBlockId) {
if (fileOutputStream != null) {
try {
receiverSize += dataLen;
index++;
currentBlockId++;
fileOutputStream.write(datas, start, dataLen);
fileOutputStream.flush();
if (fileReciverInterface != null) {
long per = (receiverSize * 100 / fileLength);
fileReciverInterface.onDownload(per);
}
if(receiverSize >= fileLength){
try{
fileOutputStream.close();
fileOutputStream = null;
}catch (Exception ex){
LogUtil.e(TAG,ex);
}
unzip();
}
sendNextData((byte)2,index);
} catch (IOException e) {
LogUtil.e(TAG, e);
}
}
}
}
@Override
public void onFileDownloadCompeleted() {
if(handler != null) {
handler.removeCallbacks(checkTask);
}
work = false;
closeStream();
}
};
public static DownloadFileModule getInstance() {
if (instnce == null) {
synchronized (DownloadFileModule.class) {
if (instnce == null) {
instnce = new DownloadFileModule();
}
}
}
return instnce;
}
public void downloadFile(String ip, int port,int keypadId) {
clean();
this.ip = ip;
this.port = port;
this.keypadId = keypadId;
downloadFileSendThread = new DownloadFileSendThread();
downloadFileReceiverThread = new DownloadFileReceiverThread(DownloadFileReceiverThread.DEFAULT_PROT);
downloadFileReceiverThread.setOnDownloadCmdListener(onDownloadCmdListener);
downloadFileReceiverThread.start();
sendNextData((byte)0x01,this.keypadId);
handler = new Handler();
handler.postDelayed(checkTask,overTime);
work = true;
}
public void clean() {
closeStream();
resetData();
work = false;
}
public boolean isWork() {
return work;
}
private void unzip(){
if (fileName.endsWith(".zip") || fileName.endsWith(".rar") || fileName.endsWith(".7z")) {
String outDirName = "";
boolean isAdd = false;
if(fileName.startsWith("q")){
isAdd = true;
}
if(isAdd){
outDirName = fileName.substring(1,fileName.length() - 4);
}else{
outDirName = fileName.substring(0, fileName.length() - 4);
}
String uzipDirPath = FILEPATH + "/" + outDirName;
if(!isAdd){
createAndCleanFolder(uzipDirPath);
}
try {
boolean ret = AntZipUtil.unZip(FILEPATH + fileName, uzipDirPath);
if (fileReciverInterface != null) {
if(ret){
fileReciverInterface.onDownloadSuccess();
}else{
fileReciverInterface.onUnzipError();
}
}
} catch (Exception e) {
LogUtil.e(TAG,e);
if(fileReciverInterface != null){
fileReciverInterface.onUnzipError();
}
}
}
}
private void resetData() {
ip = null;
port = 0;
currentBlockId = -1;
receiverSize = 0;
fileLength = 0;
flag = -1;
index = -1;
servInetAddress = null;
fileName = null;
keypadId = 0 ;
handler = null;
}
private void closeStream() {
if (downloadFileSendThread != null) {
downloadFileSendThread.close();
downloadFileSendThread = null;
}
if (downloadFileReceiverThread != null) {
downloadFileReceiverThread.close();
downloadFileReceiverThread = null;
}
if (fileOutputStream != null) {
try {
fileOutputStream.flush();
fileOutputStream.close();
} catch (IOException e) {
LogUtil.e(TAG,e);
}
fileOutputStream = null;
}
}
private void sendNextData(byte type ,int index) {
downloadFileSendThread.sendData(flag,type,index,ip,port);
}
public void createAndCleanFolder(String folderName) {
File unzipDir = new File(folderName);
if (unzipDir.exists()) {
try {
LogUtil.d(TAG, "clear dir");
FileUtil.deleteFileInDir(unzipDir);
} catch (Exception e) {
LogUtil.e(TAG, e);
}
} else {
boolean ret = false;
try {
ret = unzipDir.mkdir();
} catch (Exception e) {
LogUtil.e(TAG, e);
}
if (ret) {
LogUtil.d(TAG, "createFile Ok, unzip!");
} else {
LogUtil.d(TAG, "createFile fail !" + folderName);
}
}
}
public void setFileReciverInterface(FileReciverInterface fileReciverInterface) {
this.fileReciverInterface = fileReciverInterface;
}
private Runnable checkTask = new Runnable() {
@Override
public void run() {
if(fileReciverInterface != null){
fileReciverInterface.onDownloadDataError();
}
clean();
}
};
public void setOverTime(long overTime) {
this.overTime = overTime;
}
}