/* [ 49Cvde^
**SiteFileFetch.java d*0RBgn
*/ -HG.GA
package NetFox; R[a-"
import java.io.*; .qO4ceW2-~
import java.net.*; {_-kwg{"(
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public class SiteFileFetch extends Thread { gM\>{ihM'
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SiteInfoBean siteInfoBean = null; //文件信息Bean ir_XU/ve
long[] nStartPos; //开始位置 a(~Y:v
long[] nEndPos; //结束位置 q[,p#uJ]
FileSplitterFetch[] fileSplitterFetch; //子线程对象 yu6{ 6[
long nFileLength; //文件长度 O -1O@:}c
boolean bFirst = true; //是否第一次取文件 J**(7d
boolean bStop = false; //停止标志 =cS&>MT
File tmpFile; //文件下载的临时信息 jtP*C_Scv/
DataOutputStream output; //输出到文件的输出流 :ZV|8xI
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) _SAM8!q4,
public SiteFileFetch(SiteInfoBean bean) throws IOException ,X4+i8Yc
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siteInfoBean = bean; w={q@.
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); z'EQdQ)
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); %N*[{j= ^
if(tmpFile.exists ()) i[!|0U`p
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bFirst = false; )8@-
read_nPos(); $nO~A7
} mH&7{2r
else r ;RYGLx
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nStartPos = new long[bean.getNSplitter()]; c>_ti+
nEndPos = new long[bean.getNSplitter()]; )S g6B;CJ
} D_DwP$wSo
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public void run() V`^*Z}d9
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//获得文件长度 @N4_){s*
//分割文件 ws'e
//实例FileSplitterFetch .Vbd-jr'M
//启动FileSplitterFetch线程 n1."Qix0
//等待子线程返回 .SD-6GVD
try{ .\R9tt}
if(bFirst) mWT+15\5r(
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nFileLength = getFileSize(); )@NFV*@I
if(nFileLength == -1) i1vz{Tc
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System.err.println("File Length is not known!"); V*j l
} fEHFlgN3Ap
else if(nFileLength == -2) &B{zS K$N
{ Qn*l,Z]US
System.err.println("File is not access!"); ]<;7ZNG"Y5
} 4X+xh|R:U
else <fvu)
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for(int i=0;i<nStartPos.length;i++) FEjO}lTK
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); oy^-?+
} $hhXsu=
for(int i=0;i<nEndPos.length-1;i++) 0cS$S Mn{
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nEndPos = nStartPos[i+1]; %R0 Wq4}
} GW,EyOE+~
nEndPos[nEndPos.length-1] = nFileLength; NUV">i.(
} nn7LL+h
} *D?=Ts
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//启动子线程 >v+1v
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; [bhKL5l
for(int i=0;i<nStartPos.length;i++) sFpg
{ ;ElCWs->\
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), W=+n|1
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), hVzyvpw
nStartPos,nEndPos,i); @_ %RQO_X
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); cMY}Y
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fileSplitterFetch.start(); <?.eU<+O`S
} A9xeOy8e
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), //63|;EEkl
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); Fv^zSoi2
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", 1&bo