/* 4_=Ja2v8;`
**SiteFileFetch.java OI/@3"L{
*/ W<,F28jI3v
package NetFox; cDkV;$
import java.io.*; jgu*Y{ocm
import java.net.*; -"TR\/
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public class SiteFileFetch extends Thread { W6/ @W
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SiteInfoBean siteInfoBean = null; //文件信息Bean X(AN)&L[
long[] nStartPos; //开始位置 \OwpD,'
long[] nEndPos; //结束位置 v/Pw9j!r;m
FileSplitterFetch[] fileSplitterFetch; //子线程对象 +s[\g>i
long nFileLength; //文件长度 2&LQg=O
boolean bFirst = true; //是否第一次取文件 $95~5]-nh
boolean bStop = false; //停止标志 5 t{ja
File tmpFile; //文件下载的临时信息 MZ4c{@Tg
DataOutputStream output; //输出到文件的输出流 .2:\:H~3
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) Wch~Yb
public SiteFileFetch(SiteInfoBean bean) throws IOException )}lRd#V
{ ^))RM_ic
siteInfoBean = bean; p<GR SJIk=
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); !PUZWO
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); zqySm)o]
if(tmpFile.exists ()) F2I 5qC/
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bFirst = false; 9";sMB}W*
read_nPos(); =?Fkn4t
} \Ad7
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else kBWrqZ6
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nStartPos = new long[bean.getNSplitter()]; Ud%s^A-qS
nEndPos = new long[bean.getNSplitter()]; =\kMXB
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} :QQlI
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public void run() @R6 ttx
{ ,J=P,](
//获得文件长度 hwnJE958L
//分割文件 ~2*9{
//实例FileSplitterFetch p3951-D
//启动FileSplitterFetch线程 FiAY\4
//等待子线程返回 .K8w8X/3
try{ Sb&lhgW]c
if(bFirst) S -&)p@4
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nFileLength = getFileSize(); W[''Cc.
if(nFileLength == -1) !7p}C-RZp
{ 2b@tj
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System.err.println("File Length is not known!"); |F$BvCg
} ,_v|#g@{
else if(nFileLength == -2) ^q[gxuL_
{ `FF8ie 8L
System.err.println("File is not access!"); PD[z#T!'
} ,^s0</ve
else Tbbz'b;{
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for(int i=0;i<nStartPos.length;i++) &m^@9E)S/
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); e79KbLV
} LO%!Z,}
for(int i=0;i<nEndPos.length-1;i++) o @Z#
{ Jl<ns,Zg
nEndPos = nStartPos[i+1]; lHfe<j]
} i\?*=\a
nEndPos[nEndPos.length-1] = nFileLength; f>9s!Hpu_
} ??qq: `s
} k) \gWPH
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//启动子线程 Zl/<