/* \NRRN eu|
**SiteFileFetch.java v]sGdZ(6-
*/ bZJiubBRI
package NetFox; dD!SgK [Jv
import java.io.*; XoOe=V?I )
import java.net.*; c Ix(;[U
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public class SiteFileFetch extends Thread { U[u6UG
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SiteInfoBean siteInfoBean = null; //文件信息Bean X?a67qL
long[] nStartPos; //开始位置 umYdr'p!v
long[] nEndPos; //结束位置 S([De"y
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Po[zzj>m
long nFileLength; //文件长度 b87d'# .
boolean bFirst = true; //是否第一次取文件 re2%e-F"
boolean bStop = false; //停止标志 a!.8^:B&
File tmpFile; //文件下载的临时信息 F.9|$g*ip
DataOutputStream output; //输出到文件的输出流 kM@,^`&
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) P*Nl3?T
public SiteFileFetch(SiteInfoBean bean) throws IOException %-.GyG$i
{ "tIx$?I
siteInfoBean = bean; ,'}ZcN2)
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); wz57.e!Me=
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); sy?W\(x
if(tmpFile.exists ()) fC[gu$f][
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bFirst = false; hR2.w/2j
read_nPos(); K(Nk|gQ
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else E&AR=yqk
{ w.jATMJ)F
nStartPos = new long[bean.getNSplitter()]; 'AU!xG6OQ
nEndPos = new long[bean.getNSplitter()]; 'Z[R*Ikzq
} Kk#@8h>
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public void run() '_%Jw:4k
{ 1Ppzch7
//获得文件长度 K`sm
//分割文件 ' =kX
//实例FileSplitterFetch :0l(Ll KD
//启动FileSplitterFetch线程 ))vwofkw4
//等待子线程返回 3`y:W9!u
try{ gYZgo
if(bFirst) xHmc8G$zu
{ DX|kO
nFileLength = getFileSize(); 6r`g+Js/
if(nFileLength == -1) h=aHZ6v
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System.err.println("File Length is not known!"); 4C$,X!kzF
} _<8y^ymo
else if(nFileLength == -2) @QEVl
{ &nss[w$%C
System.err.println("File is not access!"); gVc[`(@h
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else oT'XcMn
{ Jq->DzSmj/
for(int i=0;i<nStartPos.length;i++) w K+2;*bI
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); :zCm$@
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for(int i=0;i<nEndPos.length-1;i++) .T7ciD
{ Kj7Osqu2bE
nEndPos = nStartPos[i+1]; hH\(>4l
} `@90b4u
nEndPos[nEndPos.length-1] = nFileLength; oj/tim
} %2{E'^#)p-
} BBDOjhik
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//启动子线程 z"-Urd^O
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; <