/* A~I}[O~(pb
**SiteFileFetch.java $NG}YOP)@
*/ wXXv0OzK
package NetFox; Xj+1]KRN
import java.io.*; |m k $W$h
import java.net.*; j=dHgnVvj
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public class SiteFileFetch extends Thread { =#T6,[5
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SiteInfoBean siteInfoBean = null; //文件信息Bean *M+:GH/5
long[] nStartPos; //开始位置 8xg:ItJaA0
long[] nEndPos; //结束位置 )5d&K8@
FileSplitterFetch[] fileSplitterFetch; //子线程对象 +*)B;)P
long nFileLength; //文件长度 )V)4N[?GC
boolean bFirst = true; //是否第一次取文件 (sJ{27b_
boolean bStop = false; //停止标志 _rs!6tp
File tmpFile; //文件下载的临时信息 A_Sl#e
DataOutputStream output; //输出到文件的输出流 _=q)lt-UY
}#EiL
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) c4L5"_#`x-
public SiteFileFetch(SiteInfoBean bean) throws IOException X"iy.@7
{ y"$|?187x
siteInfoBean = bean; ./5|i*ow
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); wzo-V^+q
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); fRaVY`|wK
if(tmpFile.exists ()) b%,5B
{ A{9Hm:)
bFirst = false; r1ctW#\~8
read_nPos(); B`RbXk68q
} 1/gY]ghL
else wvT!NN
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{ 4w]u: eU
nStartPos = new long[bean.getNSplitter()]; +Z)||MR"
nEndPos = new long[bean.getNSplitter()]; W1r- uR
} @U5+1Hjc
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} q$b/T+-ec
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public void run() 2lAuO!%
{ GE~mu76%
//获得文件长度 KQ3)^J_Z
//分割文件 |4X:>Ut]
//实例FileSplitterFetch K.l?R#G`,F
//启动FileSplitterFetch线程 *1; <xeVD
//等待子线程返回 G-M!I`P
try{ {l *ps-fi
if(bFirst) 1v`<Vb%"}T
{ _k5KJKvr
nFileLength = getFileSize(); vuDp_p*]S
if(nFileLength == -1) JguE#ob2
{ IO^O9IEx,
System.err.println("File Length is not known!"); JO+ hD4L
} b LL!iz?
else if(nFileLength == -2) {*jkx,|
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System.err.println("File is not access!"); DNki
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} [u)^QgP
else -k$rkKHZ(
{ H[]j6D
for(int i=0;i<nStartPos.length;i++) ]C)PZZI='
{ ru'Xet
nStartPos = (long)(i*(nFileLength/nStartPos.length)); B S b!{|]
} O_F<VV*MFQ
for(int i=0;i<nEndPos.length-1;i++) `Ph4!-6#
{ wAk oX
nEndPos = nStartPos[i+1]; TKRu^KH9
} w:MfaN*
nEndPos[nEndPos.length-1] = nFileLength; <ezvz..g
} 2!]':(8mR
} !WVF{L,/I
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//启动子线程 %@H;6
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 4^AE;= Q
for(int i=0;i<nStartPos.length;i++) "=yaeEp
{ v,+2CVdW
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 2&$ A x
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), qMI%=@=
nStartPos,nEndPos,i); J#:%| F%
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); qr<5z. %
fileSplitterFetch.start(); Bj%{PK
} %\r4c*O1q
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 1!vR
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); (O&