/* Lk9>7xY
**SiteFileFetch.java L@Z
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*/ ~30Wb9eL
package NetFox; ,&=`T7i
import java.io.*; m}9V@@
import java.net.*; mTfMuPPs[
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public class SiteFileFetch extends Thread { v~\ 45eEA
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SiteInfoBean siteInfoBean = null; //文件信息Bean j,xPN=+hT
long[] nStartPos; //开始位置 Z?.*.<"Sj
long[] nEndPos; //结束位置 ;ZJ,l)BNO
FileSplitterFetch[] fileSplitterFetch; //子线程对象 VK;x6*Y
long nFileLength; //文件长度 *u/|NU&X
boolean bFirst = true; //是否第一次取文件 3kCbD=yF
boolean bStop = false; //停止标志 aS vE
File tmpFile; //文件下载的临时信息 4E>(Y98
DataOutputStream output; //输出到文件的输出流 %j">&U.[
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) #sU~fq
public SiteFileFetch(SiteInfoBean bean) throws IOException j/D)UWkR
{ 0 '7s
siteInfoBean = bean; +^?-}v
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); {*;]I?9Al
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); }+
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if(tmpFile.exists ()) *\KMkx
{ VaSNFl1_M
bFirst = false; Rr 4CcM
read_nPos(); cqY.^f.
} H?j-=Zka
else )8 :RiG2B
{ F/*fQAa"
nStartPos = new long[bean.getNSplitter()]; g[au-.:
nEndPos = new long[bean.getNSplitter()]; !X%!7wsc
} x}<G!*3
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} mK40 f
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public void run() SKSAriS~
{ EO/cW<uV'
//获得文件长度 aC yb-P
//分割文件 8U<.16+5Q
//实例FileSplitterFetch B:- KZuO
//启动FileSplitterFetch线程 B N*,!fx
//等待子线程返回 xUo)_P\_
try{ #~URLN
if(bFirst) B#GZmv1
{ -{8Q= N
nFileLength = getFileSize(); 0Dm`Ek3A7x
if(nFileLength == -1) }8V;s-1
{ Ec*--]j*c
System.err.println("File Length is not known!"); =!S@tuY
} Gp ^ owr
else if(nFileLength == -2) L\:YbS~]
{ D;^ZWz0
System.err.println("File is not access!"); ;%rs{XO9
} /2_B$
else c(Uj'uLc
{ N
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for(int i=0;i<nStartPos.length;i++) |P. =
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); !QQ<Ai!E
} _yxe2[TD
for(int i=0;i<nEndPos.length-1;i++) nXM9Px!
{ 2yJ7]+Jd7Y
nEndPos = nStartPos[i+1]; dS3>q<J*a
} lk*0c{_L
nEndPos[nEndPos.length-1] = nFileLength; kKxL04
} c+E//X|
} cy&
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//启动子线程 4[5lX C
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ^^4K/XBve
for(int i=0;i<nStartPos.length;i++) }"&n[/8~
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), >tmnj/=&
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), I5TQ>WJbf
nStartPos,nEndPos,i); CzzUi]*Ac{
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); e-%7F]e
fileSplitterFetch.start(); @o4z3Q@
} jlRl2 #"
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), fR]p+\#8u*
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); mc0sdb,c$
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", b[{m>Fa+o#
nEndPos = " + nFileLength); (opROsFh
// fileSplitterFetch[nPos.length-1].start(); f7_\).T
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c ,h.`~{
//等待子线程结束 7~!I2DV_
//int count = 0; K)Df}fVOc
//是否结束while循环 xE G+%Uk{
boolean breakWhile = false; 3t"~F%4-}
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while(!bStop) 4cXAT9
{ mC*W2#1pF
write_nPos(); i63`B+L{
Utility.sleep(500); ['51FulDR
breakWhile = true; lF;ziF
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for(int i=0;i<nStartPos.length;i++) l1-4n*fU
{ t/v@vJ`vSH
if(!fileSplitterFetch.bDownOver) 1zb$5 {,|
{ ' +)6#/*
breakWhile = false; +?URVp
break; &%|xc{i
} R7E]*:0}
} *fxep08B
if(breakWhile) T4V[RN
break; g>6:CG"
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