/* T8FKa4ikn
**SiteFileFetch.java k>Qr14F
*/ sh?Dxodp9
package NetFox; N3H!ptn37
import java.io.*; >}/"gx
import java.net.*; &w3LMOT
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public class SiteFileFetch extends Thread { q6{ %vd
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SiteInfoBean siteInfoBean = null; //文件信息Bean /kVy#sT|
long[] nStartPos; //开始位置 ?lU]J]
long[] nEndPos; //结束位置 y\@;s?QL
FileSplitterFetch[] fileSplitterFetch; //子线程对象 ASaG }h
long nFileLength; //文件长度 -zz9k=q
boolean bFirst = true; //是否第一次取文件 ][bz5aV
boolean bStop = false; //停止标志 _ #l b\
File tmpFile; //文件下载的临时信息 Xb3vvHdI
DataOutputStream output; //输出到文件的输出流 eeb8v:4
#
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) |_~BV&g,N
public SiteFileFetch(SiteInfoBean bean) throws IOException $zz=>BOk
{ m=fmf(
siteInfoBean = bean; W9V%Xc`LQ
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); AJ:@c7:eS
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); $b$r,mc
if(tmpFile.exists ()) ^m8\fCA*
{ 4[.-
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bFirst = false; 3g|O2>*?
read_nPos(); S,S_BB<Y[b
} 7!JoP?!
else h2aJa@;S
{ jO:<"l^+u
nStartPos = new long[bean.getNSplitter()]; }+ #ag:M
nEndPos = new long[bean.getNSplitter()]; qm]ljut
} JEBo!9
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} hY'"^?OP
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public void run() q}BQu@'H
{ ~w[zX4@
//获得文件长度 ",8h>eEWK
//分割文件 ;{Z2i%
//实例FileSplitterFetch V|?
//启动FileSplitterFetch线程 F<-Pbtw
//等待子线程返回 PLo.q|%
try{ Z*]n]eS
if(bFirst) =AcbX_[
{ KS(T%mk\
nFileLength = getFileSize(); {Y'_QW1:2
if(nFileLength == -1) YN>#zr+~
{ 4
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System.err.println("File Length is not known!"); e$>5GM
} }>frK#S
else if(nFileLength == -2) \wDOE(>
{
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System.err.println("File is not access!"); V(!b!i@
} _9
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else y'yaCf
{ ha8do^x
for(int i=0;i<nStartPos.length;i++) ;- ]f4O8
{ ^2^ptQj
nStartPos = (long)(i*(nFileLength/nStartPos.length)); tfv]AC7x
} B4|%E$1+
for(int i=0;i<nEndPos.length-1;i++) &
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{ 053W2Si
nEndPos = nStartPos[i+1]; s.GhquFCrU
} '{oe}].,
nEndPos[nEndPos.length-1] = nFileLength; 4qm5`o\hb
} eEc;w#
} p Y>yJ)
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//启动子线程 o!\O)
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; A<.Q&4jb
for(int i=0;i<nStartPos.length;i++) #sqDZ]\B
{ /{kyjf[o&*
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), *=|i"
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), ^~`8 - TE
nStartPos,nEndPos,i); P^h2w%6'
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); Y6D=tb
fileSplitterFetch.start(); ryn)
} [Z5x_.k"I
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ZA9']u%EJ
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); W>DpDrO4ml
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", +j@|D@z
nEndPos = " + nFileLength); U.^)|IHW
// fileSplitterFetch[nPos.length-1].start(); h;ShNU
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//等待子线程结束 )7i?8XiSZF
//int count = 0; 'Ux_X:,:;
//是否结束while循环 |y:DLsom?i
boolean breakWhile = false; 3mm`8!R
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while(!bStop) 9lD,aOb
{ ~hxB Pn."
write_nPos(); q]r!5&Z