代码拉取完成,页面将自动刷新
/**
* Copyright (c) 2012-2013, Michael Yang 杨福海 (www.yangfuhai.com).
*
* Licensed 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 net.tsz.afinal.http.entityhandler;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.http.HttpEntity;
import android.text.TextUtils;
public class FileEntityHandler {
private boolean mStop = false;
public boolean isStop() {
return mStop;
}
public void setStop(boolean stop) {
this.mStop = stop;
}
public Object handleEntity(HttpEntity entity, EntityCallBack callback,String target,boolean isResume) throws IOException {
if (TextUtils.isEmpty(target) || target.trim().length() == 0)
return null;
File targetFile = new File(target);
if (!targetFile.exists()) {
targetFile.createNewFile();
}
if(mStop){
return targetFile;
}
long current = 0;
FileOutputStream os = null;
if(isResume){
current = targetFile.length();
os = new FileOutputStream(target, true);
}else{
os = new FileOutputStream(target);
}
if(mStop){
return targetFile;
}
InputStream input = entity.getContent();
long count = entity.getContentLength() + current;
if(current >= count || mStop){
return targetFile;
}
int readLen = 0;
byte[] buffer = new byte[1024];
while (!mStop && !(current >= count) && ((readLen = input.read(buffer,0,1024)) > 0) ) {//未全部读取
os.write(buffer, 0, readLen);
current += readLen;
callback.callBack(count, current,false);
}
callback.callBack(count, current,true);
if(mStop && current < count){ //用户主动停止
throw new IOException("user stop download thread");
}
return targetFile;
}
}
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