/* S WVeUL#5
**SiteFileFetch.java x
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*/ tjBs>w
package NetFox; rC14X} X6
import java.io.*; \$/)o1SG
import java.net.*; x:88E78
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public class SiteFileFetch extends Thread { Q$Ga.fI
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SiteInfoBean siteInfoBean = null; //文件信息Bean KF|+#qCN
long[] nStartPos; //开始位置 n&D<l '4
long[] nEndPos; //结束位置 Z%y>q|:
FileSplitterFetch[] fileSplitterFetch; //子线程对象 2^bq4c4J
long nFileLength; //文件长度 |[CsLn;
boolean bFirst = true; //是否第一次取文件 xpxUn8.
boolean bStop = false; //停止标志 <MB]W`5
File tmpFile; //文件下载的临时信息 9s6@AJf
DataOutputStream output; //输出到文件的输出流 LU l6^JU
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) BDNn~aU#m
public SiteFileFetch(SiteInfoBean bean) throws IOException P_B#
{ 6B)(kPW
siteInfoBean = bean; ~.u}v~
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); T(MS,AyD]
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); Sav]Kxq{
if(tmpFile.exists ()) M")J buI
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bFirst = false; AMG}'P:
read_nPos(); ^I~2t|}
} |Up+Kc:z/n
else {^i7 3}@O
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nStartPos = new long[bean.getNSplitter()]; 9 JBPE
nEndPos = new long[bean.getNSplitter()]; .9
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} C<?}?hhb
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} -$f~V\M
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public void run() 'C8VD+p
{ "=@b>d6U+
//获得文件长度 AqB5B5}
//分割文件 SG_^Rd9
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//实例FileSplitterFetch L{jJDd
//启动FileSplitterFetch线程 E0'+]"B
//等待子线程返回 =@AWw:!:,
try{ V&;1n
if(bFirst) J 05@SG':
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nFileLength = getFileSize(); OXe+=Lp<
if(nFileLength == -1) [9(tIb!x
{ t.$3?"60~
System.err.println("File Length is not known!");
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} BAG)
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else if(nFileLength == -2) XE*
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{ 7Ab&C&3
System.err.println("File is not access!"); 4sasf94
} SeN4gr*
else $,v
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for(int i=0;i<nStartPos.length;i++) @X4Ur+d
{ #qrZ(,I@n
nStartPos = (long)(i*(nFileLength/nStartPos.length)); WSi`)@.XO
} Qz\yoI8JA,
for(int i=0;i<nEndPos.length-1;i++) 11[[H kX@
{ usH9dys,
nEndPos = nStartPos[i+1]; I_6NY,dF
} ,yus44w[
nEndPos[nEndPos.length-1] = nFileLength; M.$Li#So,
} g@wF2=
} qYR
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//启动子线程 ~qt)r_jW
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 3:@2gp!tq
for(int i=0;i<nStartPos.length;i++) Jz7a|pgep
{ hr_ 5D
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), aDmyr_f$
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 'kb5pl~U
nStartPos,nEndPos,i); mbB,j~;^6H
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); g\S@@0T{0
fileSplitterFetch.start(); (DJLq
} :Rv?>I j
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), r8g4NsRVtv
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ;iR( Ir
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", tvXoF;Yq
nEndPos = " + nFileLength); RO[Ko-m|/N
// fileSplitterFetch[nPos.length-1].start(); J ^gtSn^
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//等待子线程结束 JTK>[|c9oE
//int count = 0; *p:`F:
//是否结束while循环 kP~'C'5Ys
boolean breakWhile = false; %Xs3Lz
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while(!bStop) E
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{ f2Zi.?``H
write_nPos(); CT,caa
Utility.sleep(500); DP\s-JpI[
breakWhile = true; ?T=]?[
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for(int i=0;i<nStartPos.length;i++) |$"2R3
{ nX4R
if(!fileSplitterFetch.bDownOver) ]T|9>o!
{ Xou1X$$z
breakWhile = false; [p[nK=&r
break; j(^ot001%v
} (Cjnf
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} ^7MhnA
if(breakWhile) &7Frg`B&:
break; AzAD76iNv
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//count++; ~f=~tN)hZ
//if(count>4) !<r+h,C
// siteStop(); hoY.2 B _
} ah<1&UG,
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