/* "$PbpY
**SiteFileFetch.java X!,P] G
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package NetFox; uXW<8(
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import java.io.*; w``t"v4
import java.net.*; +60zJ4
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public class SiteFileFetch extends Thread { Nqp%Z7G
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SiteInfoBean siteInfoBean = null; //文件信息Bean d~uK/R-KD
long[] nStartPos; //开始位置 ZT95g
long[] nEndPos; //结束位置 m C_v!nL.
FileSplitterFetch[] fileSplitterFetch; //子线程对象 tTe\#o`
long nFileLength; //文件长度 &CF74AN#
boolean bFirst = true; //是否第一次取文件 cysYjuI i
boolean bStop = false; //停止标志 F4>}mIA
File tmpFile; //文件下载的临时信息 ItHKpTer
DataOutputStream output; //输出到文件的输出流 wx
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) eI; %/6#
public SiteFileFetch(SiteInfoBean bean) throws IOException gvYa&N
{ $
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siteInfoBean = bean; #z-6mRB
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); Fe%Q8RIh_
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); `,tv&siSA
if(tmpFile.exists ()) R*/%+
{ 3\|e8(bc
bFirst = false; oHB51< }
read_nPos(); soA>&b!?
} yPn5l/pDDr
else u2y?WcMv
{ S%-L!V ,
nStartPos = new long[bean.getNSplitter()]; -4Zf0r1u
nEndPos = new long[bean.getNSplitter()]; :,y V?E6]
} d%VGfSrKq
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} V/$qD
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public void run() 'g^;_=^G
{ 9
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//获得文件长度 M' "S:
//分割文件 p82&X+v/p
//实例FileSplitterFetch X3".
//启动FileSplitterFetch线程 zv||&Hi
//等待子线程返回 .Gh-T{\V'
try{ thOQcOf0$
if(bFirst) %A`f>v.7 c
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nFileLength = getFileSize(); EN` --^
if(nFileLength == -1) QL"fC;xUn,
{ s{x2RDAt
System.err.println("File Length is not known!"); qxG@Zd
} m[!t7e
else if(nFileLength == -2) Ex^7`-2,B
{ #JYv1F
System.err.println("File is not access!"); %L}9nc%~eP
} $d{{><
else 6Y)'p
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{ ,xuqQ;JX
for(int i=0;i<nStartPos.length;i++) uXxyw7\W
{ ^F5[2<O/!
nStartPos = (long)(i*(nFileLength/nStartPos.length)); aRdk^|}
} #,Fk
for(int i=0;i<nEndPos.length-1;i++) f}Eoc>n
{ i|*(vH&D.
nEndPos = nStartPos[i+1]; XWo:~\
} %L:e~*
nEndPos[nEndPos.length-1] = nFileLength; LtJ$ZE^GB
} `]_#_
} VT?JTW
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//启动子线程 }=?kf3k
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; epJVs0W
for(int i=0;i<nStartPos.length;i++) K;,n?Q w
{ +IK~a9t
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 7]@vPr;:
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), y'*^ '
nStartPos,nEndPos,i); b4Zkj2L
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); HY~\e|o
fileSplitterFetch.start(); dMCV
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} 5Z]`n
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), d2'9C6t
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ~#h@.yW^JN
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", 8h=H\v^f
nEndPos = " + nFileLength); CA7tI >y_
// fileSplitterFetch[nPos.length-1].start(); MM3X!
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//等待子线程结束 UaiDo"i
//int count = 0; qtnLQl"M
//是否结束while循环 QK&<im-
boolean breakWhile = false; 7C9qkQ
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while(!bStop) i{I'+%~R
{ *Tl"~)'t~
write_nPos(); -d[9mS
Utility.sleep(500); 6{8qATLR
breakWhile = true; K%[Rv#>;q|
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for(int i=0;i<nStartPos.length;i++) z
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{ dz5a! e
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if(!fileSplitterFetch.bDownOver) "S(m1L?
{ &"BmCDOq
breakWhile = false; ?=dyU(
break; v:PNt#Ta
} ELk$lm&