AbsDownloadProcess.java
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package com.sunvote.xpadcomm;
import java.io.File;
import java.io.IOException;
/**
* Created by Elvis on 2018/3/20 11:18
* 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XPadAppRendaMac
*/
public abstract class AbsDownloadProcess {
private static String foldPath = "/sdcard/Sunvote/download/";
protected static String fileName = "default.obj";
private long length ;
private long curComplete = 0 ;
private static File file ;
public File getFile() {
if(file == null){
curComplete = 0 ;
File folder = new File(foldPath);
if(!folder.exists()){
folder.mkdirs();
}
if(fileName == null || "".equals(fileName.trim())){
fileName = "default.obj" ;
}
file = new File(foldPath , fileName);
file.deleteOnExit();
if(!file.exists()){
try {
file.createNewFile();
} catch (IOException e) {
onDownloadError(e);
}
}
}
return file;
}
protected long getLength() {
return length;
}
public String getFoldPath() {
return foldPath;
}
protected void setLength(long length) {
this.length = length;
curComplete = 0 ;
}
public void setFileName(String fileName) {
if(!(fileName == null || "".equals(fileName.trim()))) {
this.fileName = fileName;
file = null;
}
}
protected String getFileName() {
return fileName;
}
public void setFoldPath(String foldPath) {
this.foldPath = foldPath;
}
protected void onStartDownload(){
onStartDownload(getFile(),getLength());
}
public abstract void onStartDownload(File file,long length);
protected void onDownloadAddProcess(int curPack) {
curComplete += curPack;
double result = 0;
if(curComplete <= length){
result = (double)curComplete / length ;
}else{
result = 1;
}
try{
onDownloadProcess(result);
}catch (Exception ex){
ex.printStackTrace();
}
try{
int ri = (int)(result * 100);
onDownloadProcess(ri + "%");
}catch (Exception ex){
ex.printStackTrace();
}
}
public abstract void onDownloadProcess(double process);
public abstract void onDownloadProcess(String process);
protected void onStopDownload(){
onStopDownload(getFile());
}
public abstract void onStopDownload(File file);
public abstract void onDownloadError(Exception e);
}