/* $rJgBN
**SiteFileFetch.java n5#QQk2
*/ 7uf5w0]
package NetFox; 9fWR8iV
import java.io.*; &fsk ESV0
import java.net.*; wD/jN:
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public class SiteFileFetch extends Thread { 9Wg;M#c2Y|
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SiteInfoBean siteInfoBean = null; //文件信息Bean $3gM P+
long[] nStartPos; //开始位置 "<Yxt"Z4
long[] nEndPos; //结束位置 <g&.U W4
FileSplitterFetch[] fileSplitterFetch; //子线程对象 ,g4T>7`&U%
long nFileLength; //文件长度 mi1^hl'2
boolean bFirst = true; //是否第一次取文件 $KhD>4^jL
boolean bStop = false; //停止标志 [E+J=L.l
File tmpFile; //文件下载的临时信息 &-!$qUli
DataOutputStream output; //输出到文件的输出流 l](!2a=[
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) e}n(mq
public SiteFileFetch(SiteInfoBean bean) throws IOException mmG]|Cl@
{ F8#MI
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siteInfoBean = bean; Vvp{y
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); I2-ue 63 ?
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ~'|^|*}~Dj
if(tmpFile.exists ()) ysCK_
{ 4l>U13~#
bFirst = false; Z|fi$2k0!
read_nPos(); ?2R!n"m-d
} pNZ3vTs6
else *>HS>#S
{ !E|R3eX_
nStartPos = new long[bean.getNSplitter()]; A'Z!l20_
nEndPos = new long[bean.getNSplitter()]; k2fJ
} gvPHB+#A
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} 72/ bC
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public void run() |onLJY7)
{ s
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//获得文件长度 4>2\{0r
//分割文件 |`pBI0Sjo
//实例FileSplitterFetch <WnIJum
//启动FileSplitterFetch线程 #DARZh U)
//等待子线程返回 m%UF{I,
try{ ^6Zx-Mf\
if(bFirst) wp'[AR}
{ lHPnAaue@
nFileLength = getFileSize(); yE.st9m
if(nFileLength == -1) nf[KD,f
{ gI9nxy
System.err.println("File Length is not known!"); 8k)*f+1o
} ,1cpV|mAr
else if(nFileLength == -2) s];0-65)
{ deq5u>
System.err.println("File is not access!"); 6)W8H X~+
} wkx #WC
else $at\aJ
{ +t&+f7
for(int i=0;i<nStartPos.length;i++) Z[l+{
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); .3jijc j
} >o%X;U
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for(int i=0;i<nEndPos.length-1;i++) vbX.0f "n
{ y+= s/c
nEndPos = nStartPos[i+1]; 6
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} |eg8F$WU
nEndPos[nEndPos.length-1] = nFileLength; xi4b;U j
} G$)tp^%]
} [O} D^qp
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//启动子线程 6xY6EC
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; q&O9W?E8dG
for(int i=0;i<nStartPos.length;i++) <%W&xk
{ m:Rm(ga9
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(),
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), $FDGHFM
nStartPos,nEndPos,i); P #8+1iC1
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); R4'>5.M
fileSplitterFetch.start(); ("{vbs$;
} XD?]+
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), H|,d`@U
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ]&B/rSC
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", [6
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nEndPos = " + nFileLength); mey -Bn
// fileSplitterFetch[nPos.length-1].start(); YXmy-o>
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//等待子线程结束 |/c-~|%
//int count = 0; C-@M|K9A'
//是否结束while循环 @[`]w`9Q7
boolean breakWhile = false; A|@d{g
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.
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while(!bStop) YHke^Ind
{ ux*G*QZ
write_nPos(); *b!.9p K
Utility.sleep(500); 7/fJQM
breakWhile = true; T,Q7 YI
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for(int i=0;i<nStartPos.length;i++) @3 +
{ q4'`qe
if(!fileSplitterFetch.bDownOver) 7l09
{ ^^24a_+2
breakWhile = false; {zc*yV\
break; 0F6@aQ\y3
} E7.{SGH}
} wr(*RI"
if(breakWhile) O<mA+yk
break; C
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