/* >U\P^yU
**SiteFileFetch.java x3 ( _fS
*/ 2V; Dn$q
package NetFox; Z-}A"n
import java.io.*; ql5&&e=-
import java.net.*; ,bM):
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public class SiteFileFetch extends Thread { 'bH~KK5
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SiteInfoBean siteInfoBean = null; //文件信息Bean 7;.Iat9gMf
long[] nStartPos; //开始位置 z^9rM"
long[] nEndPos; //结束位置 XLYGhM
FileSplitterFetch[] fileSplitterFetch; //子线程对象 lOb(XH9
long nFileLength; //文件长度 X<W${L$G
boolean bFirst = true; //是否第一次取文件 4%<wxrod
boolean bStop = false; //停止标志 G[`2Nd<
File tmpFile; //文件下载的临时信息 PD^ 6Ywn>s
DataOutputStream output; //输出到文件的输出流 eq"Xwq*
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 8ZjRMr}
public SiteFileFetch(SiteInfoBean bean) throws IOException `{IL.9M!f
{ icVB?M,m
siteInfoBean = bean; >bmdu\j5R
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); 3,hu3"@k
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ]M "U 'Z
if(tmpFile.exists ()) ^HuB40
{ KT(v'KE 1
bFirst = false; w4Hq|N1-Y
read_nPos(); :T@} CJ
} )Xt#coagS
else c%wztP;L
{ jc!V|w^
nStartPos = new long[bean.getNSplitter()]; LV$Ko_9eA
nEndPos = new long[bean.getNSplitter()]; 'vq0Tw5
} Ed-3-vJej6
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} hVFZQJ?cv
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public void run() Tk 'Pv
{ 9G7Br s:
//获得文件长度 Bz%wV-
//分割文件 Wi\k&V.mE
//实例FileSplitterFetch \fvm6$ rZ^
//启动FileSplitterFetch线程 ^rY18?XC+:
//等待子线程返回 ,j(E>g3
try{ n8\88d
if(bFirst) ?-0, x|ul
{ qrZ3`@C4k
nFileLength = getFileSize(); d|W=_7z
if(nFileLength == -1) Y}C|4"V
{ @S5HMJ2=
System.err.println("File Length is not known!"); *].qm
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} m'
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else if(nFileLength == -2) >-3>Rjo>
{ tU!Yg"4Q
System.err.println("File is not access!"); fb[lL7
} MlS5/9m@^
else @1bl<27
{ G%!i="/9
for(int i=0;i<nStartPos.length;i++) _2<UcC~
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); VS7
} U ){4W0
for(int i=0;i<nEndPos.length-1;i++) 3=Uy t
{ ?h|DeD!s
nEndPos = nStartPos[i+1]; [yc7F0Aw
} H _| re
nEndPos[nEndPos.length-1] = nFileLength; M*Q}^<E*
} x",ktE>9
} +T,A^(&t
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//启动子线程 zyP/'X_~:
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; _sL;E<)y(
for(int i=0;i<nStartPos.length;i++) U(OkTJxv+
{ 7@k3-?q
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), G-:7,9
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 7>0/$i#'Vl
nStartPos,nEndPos,i); n`jG[{3t&
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); 6T_Ya)
fileSplitterFetch.start(); cc1M9kVi
} |]Hr"saO0
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), +n%8*F&
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); sK/ymEfRv
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", N
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nEndPos = " + nFileLength); TnKOr~ @*
// fileSplitterFetch[nPos.length-1].start(); c&