/* p*NC nD*
**SiteFileFetch.java P]r"E
*/ UxD1+\N6?
package NetFox; *b7HtUA
import java.io.*; #BlH)Cv
import java.net.*; @YWfq$23
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public class SiteFileFetch extends Thread { 3=sA]j-+(
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SiteInfoBean siteInfoBean = null; //文件信息Bean l_^>spF
long[] nStartPos; //开始位置 Z0`?
long[] nEndPos; //结束位置 S,Zjol %p
FileSplitterFetch[] fileSplitterFetch; //子线程对象 ;@v7AF6Hq
long nFileLength; //文件长度 *M-.Vor?R
boolean bFirst = true; //是否第一次取文件 ]p+t>'s
boolean bStop = false; //停止标志 >Z<ym|(T*
File tmpFile; //文件下载的临时信息 |mY<TWoX
DataOutputStream output; //输出到文件的输出流 &WvJg#f
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) ^Fb"Is#S,
public SiteFileFetch(SiteInfoBean bean) throws IOException cr,o<
{ E3NYUHfZ
siteInfoBean = bean; (IJf2
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); f&^Ea-c
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); n'4D ;4
if(tmpFile.exists ()) |[k6X=5
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bFirst = false; ;hd> v&u#
read_nPos(); %k$+t
} t$Irr*
else B>a`mFM
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nStartPos = new long[bean.getNSplitter()]; >{Lfrc1
nEndPos = new long[bean.getNSplitter()]; sY1@ch"
} ;M4N=G Wd4
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public void run() )m5<gp `
{ tGM)"u-
//获得文件长度 @$+l ^"#-]
//分割文件 Im6ymaf9
//实例FileSplitterFetch HT1bsY
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//启动FileSplitterFetch线程 U@Aq@d+n
//等待子线程返回 \hNMTj#O
try{ =Eef
if(bFirst) u!L8Sv
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nFileLength = getFileSize(); b2p<!?
if(nFileLength == -1) / HaS.
{ :p8JO:g9
System.err.println("File Length is not known!"); ?7a<V+V:
} WxO*{`T!
else if(nFileLength == -2)
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{ Q&M(wnl5
System.err.println("File is not access!"); 1Rp|*>
} 6LvUi|~"<
else YWq[)F@0G
{ `4;<\VYCr
for(int i=0;i<nStartPos.length;i++) K<+AJ(C
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); 0Vy*
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} to:hMd1T
for(int i=0;i<nEndPos.length-1;i++) dF1Bo
{ OQ!mL3f
nEndPos = nStartPos[i+1]; Hyee#fB
} 1egryp
nEndPos[nEndPos.length-1] = nFileLength; -P'>~W,~
} 7zQD.+&L
} |C-B=XE;3
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//启动子线程 Z|wZyt$$
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; A9lqVMp64
for(int i=0;i<nStartPos.length;i++) rZpc"<U
{ YrZAy5\
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), hk,Q=};
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), ?cg+RNI
nStartPos,nEndPos,i); If4YqBG
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); M6DyOe<
fileSplitterFetch.start(); #axRg=d?K
} {bc<0
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), .v;2Q7X
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ?pQ, 5+8
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", }T(|\
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nEndPos = " + nFileLength); vBM\W%T|d
// fileSplitterFetch[nPos.length-1].start(); ?0_i{BvN
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//等待子线程结束 jl:O~UL6i
//int count = 0; /9GqEQsfM
//是否结束while循环 'u696ED4
boolean breakWhile = false; +m>Kb edl
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while(!bStop) 7c;59$2(
{ ;\#u19
write_nPos(); a o7|8[
Utility.sleep(500); oM MU5sm
breakWhile = true; m41n5T`
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for(int i=0;i<nStartPos.length;i++) 1bj75/i<6
{ dYr#
if(!fileSplitterFetch.bDownOver) lfI[r|
{ F ^E(AE
breakWhile = false; u)Y#&q