/* 9mZ
**SiteFileFetch.java 6'xsG?{JY
*/ .F+@B\A<
package NetFox; DBP9{ x$
import java.io.*; B=|cS;bM$3
import java.net.*; !ct4;.2
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public class SiteFileFetch extends Thread { q+,Q<2J
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SiteInfoBean siteInfoBean = null; //文件信息Bean 1?Z4K/
long[] nStartPos; //开始位置 ;;&}5jcV
long[] nEndPos; //结束位置 -W>'^1cR
FileSplitterFetch[] fileSplitterFetch; //子线程对象 n_'{^6*O
long nFileLength; //文件长度 S6fb f>[
boolean bFirst = true; //是否第一次取文件 Uix6GT;
boolean bStop = false; //停止标志 Z0l+1iMx
File tmpFile; //文件下载的临时信息 K_&4D'
DataOutputStream output; //输出到文件的输出流 QY= = GfHt
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) $ImrOf^qt
public SiteFileFetch(SiteInfoBean bean) throws IOException Y`?-VaY
{ Agrk|wPK
siteInfoBean = bean; s.8{5jVG
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); :6%Z]tt
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); B7imV@<
if(tmpFile.exists ()) s&j-\bOic9
{ (W}bG>!#Q8
bFirst = false; {z|;Xi::"
read_nPos(); m8.U &0
} 23gPbtq/
else .9.2Be
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nStartPos = new long[bean.getNSplitter()]; ?,/U^rf^4
nEndPos = new long[bean.getNSplitter()]; NIw\}[-Z0E
} 5xL~`-IA&v
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public void run() c*~]zR>s!
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//获得文件长度
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//分割文件 63A}TBC
//实例FileSplitterFetch }u1O#L}F5
//启动FileSplitterFetch线程 Vx-7\NB
//等待子线程返回 =G]@+e
try{ Dih3}X&jn$
if(bFirst) {AQ=<RDRF
{ #Qkroji
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nFileLength = getFileSize(); fum0>tff
if(nFileLength == -1)
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System.err.println("File Length is not known!"); G$sA`<<
} 71l%MH
else if(nFileLength == -2) %.vVEy
{ `/_G$_
System.err.println("File is not access!"); 4ni3kmvX
} M+x,opl
else "!EcbR
{ C"{k7yT
for(int i=0;i<nStartPos.length;i++) QPq7R
{ KZeQ47|
nStartPos = (long)(i*(nFileLength/nStartPos.length)); 0Zg%+)iy@
} '}9JCJ
for(int i=0;i<nEndPos.length-1;i++) Lco&Fp
{ Gw1@KKg
nEndPos = nStartPos[i+1]; :Lz\yARpk
} F;>!&[h}G
nEndPos[nEndPos.length-1] = nFileLength; \nP>:5E1
} D$x_o!JT
} gmm.{%1_I;
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//启动子线程 'g{9@PkGn
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; S<J}[I7V
for(int i=0;i<nStartPos.length;i++) >
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), `HBf&Z
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), OD_W8!-
nStartPos,nEndPos,i); _l1NKk
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); `ta7Gc/:UY
fileSplitterFetch.start(); *Aa?yg:=
} !3ctB3eJ
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Exk\8,EGqS
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); $r3i2N-I
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", F_4n^@M
nEndPos = " + nFileLength); ^k\e8F/
// fileSplitterFetch[nPos.length-1].start(); p
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//等待子线程结束 b4pm_Um
//int count = 0; =ha{Ziryo
//是否结束while循环 &:7ZQ1
boolean breakWhile = false; k%G1i-]4
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while(!bStop) vz!s~cAt
{ h3;bxq!q
write_nPos(); RG4 sQ0
Utility.sleep(500); /7YF mI/0
breakWhile = true; YSe.t_K2C
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for(int i=0;i<nStartPos.length;i++) Gmz6$^D
{ ?pzaG{
if(!fileSplitterFetch.bDownOver) 5;{H&O9Q
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breakWhile = false; FeTL&$O
break; piZJJYv t
} Zg.&