/* ls5S9R 5
**SiteFileFetch.java n#R!`*[
*/ GQQ!3LwP\O
package NetFox; npF[J x[
import java.io.*; f0uiNy(r$
import java.net.*; ^m7PXY
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public class SiteFileFetch extends Thread { x{- caOH
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SiteInfoBean siteInfoBean = null; //文件信息Bean @PI\.y_w
long[] nStartPos; //开始位置 F,bl>;{[{
long[] nEndPos; //结束位置 t>[r88v
FileSplitterFetch[] fileSplitterFetch; //子线程对象 )>/c/B
long nFileLength; //文件长度 OwEz(pj@
boolean bFirst = true; //是否第一次取文件 pqe
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boolean bStop = false; //停止标志 4M]8po/;
File tmpFile; //文件下载的临时信息 )<|T Ep4r-
DataOutputStream output; //输出到文件的输出流 Y `{U45
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) g[$B90
public SiteFileFetch(SiteInfoBean bean) throws IOException `#]\Wnp~y
{ `4=b|N+b"
siteInfoBean = bean; $1v5*E
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); 0v_8YsZ!`$
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); HT&0i,`
if(tmpFile.exists ()) zxh"@j$?
{ cm]]9z_<
bFirst = false; gr;M
read_nPos(); NR*SEbUU*
} >g[W@FhT'k
else g U?)
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nStartPos = new long[bean.getNSplitter()]; 0D'Wr(U(
nEndPos = new long[bean.getNSplitter()]; TU/J]'))C
} eZ!k'bS=
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public void run() 82X.
{ Y8PT`7gd`
//获得文件长度 R+K[/AA
//分割文件 #RF=a7&F
//实例FileSplitterFetch Trrh`@R
//启动FileSplitterFetch线程 #jX>FXo
//等待子线程返回 @I&"P:E0F;
try{ &Yg/08*
if(bFirst) %gaKnT(|r
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nFileLength = getFileSize(); wLtTC4D
if(nFileLength == -1) H[D/Sz5`
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System.err.println("File Length is not known!"); k@L~h{`Mc\
} Al|7Y/
else if(nFileLength == -2) HhL%iy1
{ 0U>Q<I}
System.err.println("File is not access!"); FT~^$)8=
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else aW"!bAdx`,
{ zjA/Z(
for(int i=0;i<nStartPos.length;i++) c
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); mV,R0olF
} ^aXBt
for(int i=0;i<nEndPos.length-1;i++) ZhsZywM
{ "b
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nEndPos = nStartPos[i+1]; aJ8pJ{,P
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nEndPos[nEndPos.length-1] = nFileLength; >v[(w1?rX
} 9HX+sB
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} A-5+#
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//启动子线程 {0 ~0
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; c*dww
for(int i=0;i<nStartPos.length;i++) 9#<Og>t2y
{ Gq*)]X{Ua
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), j;)g+9`
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), YJ$ewK4E#.
nStartPos,nEndPos,i); B5:g{,C
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); F-^HN%
fileSplitterFetch.start(); `VtwKt*
} -`OR6jd
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 0>iFXw:fn
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); d8HB2c5y0i
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", }&DB5M
nEndPos = " + nFileLength); Jj:6
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// fileSplitterFetch[nPos.length-1].start(); \w^QHX1+
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//等待子线程结束 It4z9Gh
//int count = 0; U$)Hhn|X
//是否结束while循环 C8E C?fSQ
boolean breakWhile = false; N;'HR)
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while(!bStop) G%!\ p:w
{ y.p6%E_`
write_nPos(); fm%RNAPvc
Utility.sleep(500); SFk#bh
breakWhile = true; Jv<