/* lq2Ah=FuN
**SiteFileFetch.java QR'yZ45n4
*/ =nQ"ye
package NetFox; J23Tst#s
import java.io.*; aA Hx^X^
import java.net.*; >Mml+4<5
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public class SiteFileFetch extends Thread { wwnl_9a
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SiteInfoBean siteInfoBean = null; //文件信息Bean O*MC"%T
long[] nStartPos; //开始位置 0(A(Vb5J.T
long[] nEndPos; //结束位置 J7q]|9Hus|
FileSplitterFetch[] fileSplitterFetch; //子线程对象 w7Do#Cv
long nFileLength; //文件长度 (_^pX
boolean bFirst = true; //是否第一次取文件 nS xFz!
boolean bStop = false; //停止标志 B+:'Ld](
File tmpFile; //文件下载的临时信息 S{cy|QD
DataOutputStream output; //输出到文件的输出流 Kyy CS>
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) NABwtx>.
public SiteFileFetch(SiteInfoBean bean) throws IOException E. @n Rj#
{ ${"+bWG2G!
siteInfoBean = bean; 5a
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); _tE`W96J
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); V+7x_>!&)
if(tmpFile.exists ()) ?`PG`|2~
{ ?+S jt
bFirst = false; c`]_Q1'30w
read_nPos(); (<f`},
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} 'bN\8t\S
else %X(iAoxbj
{ <d xc"A
nStartPos = new long[bean.getNSplitter()]; *QAcp` ;*
nEndPos = new long[bean.getNSplitter()]; (ly4[G1y
} E?>
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} h^E"eC
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public void run() 0zD[mt
{ feOX]g#
//获得文件长度 k&-SB -
//分割文件 m44Ab6gpsb
//实例FileSplitterFetch '8+<^%c
//启动FileSplitterFetch线程 3z$9jN/<u
//等待子线程返回 FsI51@V72Q
try{ dTN[E6#R
if(bFirst) .t\#>Fe
{ zS]8ma
nFileLength = getFileSize(); +C4UM9
if(nFileLength == -1) E! '|FJ
{ y7ng/vqM7
System.err.println("File Length is not known!"); SGi(Zkc
} xVOoYr>O
else if(nFileLength == -2) }GV5':W@WG
{ S>AM?
System.err.println("File is not access!"); Z(F`M;1>xI
} xY]Y
else AN-qcp6=o
{ u >R2:i
for(int i=0;i<nStartPos.length;i++) .xnJT2uu'
{ X?PcEAi;w
nStartPos = (long)(i*(nFileLength/nStartPos.length)); t=
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} E0 ~\ A;
for(int i=0;i<nEndPos.length-1;i++) ~4e4Gyx c
{ Uy$1X
nEndPos = nStartPos[i+1]; y7a84)j3
} >)E{Hs
nEndPos[nEndPos.length-1] = nFileLength; ''Lf6S`4X~
} ?)x"+[2
} K"lZwU\:On
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//启动子线程 OsQB`
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fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; g<ZB9;FX %
for(int i=0;i<nStartPos.length;i++) rUJIf;Zwo
{ <#c/uIN
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), kkvG=
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), -u!{8S~wA
nStartPos,nEndPos,i); QfHJZ7K.4
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); :PJ5~7C
fileSplitterFetch.start(); ElBpF8xJ|o
} /*v}.fH%
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), &x