/* AhbT/
**SiteFileFetch.java :Fi%Cef|
*/ IS0HV$OI
package NetFox; h30QCk
import java.io.*; 4i[v
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import java.net.*; NgE&KPj\
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public class SiteFileFetch extends Thread { a O"nD_7
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SiteInfoBean siteInfoBean = null; //文件信息Bean E1l\~%A
long[] nStartPos; //开始位置 4P O%qO
long[] nEndPos; //结束位置 sl^s9kx;C$
FileSplitterFetch[] fileSplitterFetch; //子线程对象 %|D\j-~
long nFileLength; //文件长度 &m%Pr
boolean bFirst = true; //是否第一次取文件 L!8 -:)0b
boolean bStop = false; //停止标志 (2O} B.6
File tmpFile; //文件下载的临时信息 CD8JY iJ
DataOutputStream output; //输出到文件的输出流 aiR|.opIb
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 8CnI%_Su
public SiteFileFetch(SiteInfoBean bean) throws IOException @R'g@+{I
{ c5=v`hv
siteInfoBean = bean; aCUV[CPw
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); /,rF$5G,
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ."!8B9s
if(tmpFile.exists ()) VJ6>3
{ YL9t3]
bFirst = false; Lilk8|?#W
read_nPos(); 282+1X
} ^EuyvftZ
else os(Jr!p_=
{ R@7GCj
nStartPos = new long[bean.getNSplitter()]; JR a*;_
nEndPos = new long[bean.getNSplitter()]; (}~eD
} wCq)w=,
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public void run() XftJ= *
{ i"sYf9,
//获得文件长度 N}l]Ilm$34
//分割文件 S,"ChR
//实例FileSplitterFetch OO !S
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//启动FileSplitterFetch线程 S\v&{
//等待子线程返回 St3(1mApl
try{ WkDn
if(bFirst) j6R{
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nFileLength = getFileSize(); >+;
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if(nFileLength == -1) 4M0v1`k
{ ZB^4 (F')H
System.err.println("File Length is not known!"); :E >n)_^
} 7>2j=Y_Kp
else if(nFileLength == -2) ,$6MM6W;-F
{ JIY ^N9_
System.err.println("File is not access!"); #nc@!+
} }*}`)rj,
else L>5!3b=b
{ K&D}!.~/
for(int i=0;i<nStartPos.length;i++) e@2Vn? 5
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); vq0M[Vy
} Za:BJ:
for(int i=0;i<nEndPos.length-1;i++) 4na4Jsq{
{ #o"HD6e
nEndPos = nStartPos[i+1]; TJw.e/
} >nIcFm
nEndPos[nEndPos.length-1] = nFileLength; L1Cn
} +{Jf]"KD
} tls6rto
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//启动子线程 .f92^lu9
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; }_kI>
for(int i=0;i<nStartPos.length;i++) 5k%N<e``
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 6rN5Xf cS
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), }'.Sn{OWf
nStartPos,nEndPos,i); ^cmP
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); h$ETH1Ue
fileSplitterFetch.start(); Ay"2W%([`
} B> "r -O
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ,~N+?k_
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); [;CqvD<S
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", kG;\i
nEndPos = " + nFileLength); G|G?h
// fileSplitterFetch[nPos.length-1].start(); v/TlXxfil
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//等待子线程结束 u.L8tR:(
//int count = 0; !
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//是否结束while循环 v$Y1+Ep9
boolean breakWhile = false; !K^kKP*l
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while(!bStop) Uo[5V|>X6
{ '3_B1iAv
write_nPos(); =
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Utility.sleep(500); %]sEt{
breakWhile = true; ]BQWA
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for(int i=0;i<nStartPos.length;i++) %qjyk=z+Z
{ seV;f^-hR
if(!fileSplitterFetch.bDownOver) :qSi>KCGh
{ )|^<woli,
breakWhile = false; 5wFS.!xD
break; 4FHX#`
} f({-j%m
} ]I' xLh`
if(breakWhile) \PMKmJX0O
break; >
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//count++; v/00LR
//if(count>4) X3=Jp'p$h
// siteStop(); Lz>{FOR
} I^\bS
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System.err.println("文件下载结束!"); /'=^^%&:B