/* p"Ki$.Y
**SiteFileFetch.java `$|!h-"
*/ 8NLTq|sW
package NetFox; Snx_NH#tA
import java.io.*; 31b9pi}nf
import java.net.*; eup#.#J
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public class SiteFileFetch extends Thread { $N[-ks2{@
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SiteInfoBean siteInfoBean = null; //文件信息Bean X5kIM\
long[] nStartPos; //开始位置 B6tp,Np5,
long[] nEndPos; //结束位置 mO$]f4}
FileSplitterFetch[] fileSplitterFetch; //子线程对象 [G{{f
long nFileLength; //文件长度 "i$Avm
boolean bFirst = true; //是否第一次取文件 oy90|.]G
boolean bStop = false; //停止标志 Cs$wgm*
File tmpFile; //文件下载的临时信息 A-:58Qau+
DataOutputStream output; //输出到文件的输出流 )]Xj"V2
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) (7w`BR9B
public SiteFileFetch(SiteInfoBean bean) throws IOException &-#!]T-P:E
{ `A O_e4D0i
siteInfoBean = bean; $<c0Z6f
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); ;' !G?)PZ
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); IDbqhZp(
if(tmpFile.exists ()) tiJY$YqA
{ ]Bw2> 6W
bFirst = false; {f]K3V
read_nPos(); nunTTE,iq%
} |<&9_Aq_
else \4y7!
{ qX[a\HQa
nStartPos = new long[bean.getNSplitter()]; -AcLh0pc
nEndPos = new long[bean.getNSplitter()]; *"#62U6
} gV]]?X&
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} D{YAEG
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public void run() >$h *1/
{ *Q=ER
//获得文件长度 p$dVGvM(
//分割文件 \"B oTi'2!
//实例FileSplitterFetch v[VUX69
//启动FileSplitterFetch线程 s"b()JP
//等待子线程返回 `HXP*Bp#
try{ T-x1jC!B'
if(bFirst) *het_;)+{
{ $PA=7`\MP/
nFileLength = getFileSize(); kylR)
if(nFileLength == -1) ,@"Z!?e
{ qUX
System.err.println("File Length is not known!"); e<s56<3j
} 'j>+eA>
else if(nFileLength == -2) ?eD,\G
{ 'vKB]/e;
System.err.println("File is not access!"); 0MDdcjqw
} rJi;"xF8
else (.TkvUj`
{ b(wzn`Z%Et
for(int i=0;i<nStartPos.length;i++) ^znj J\
{ #;GIvfW
nStartPos = (long)(i*(nFileLength/nStartPos.length)); EIO!f[]o
} EacqQFErl
for(int i=0;i<nEndPos.length-1;i++) g
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{ g7!P|
nEndPos = nStartPos[i+1]; WbZ{)
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} 9An_zrJ%i
nEndPos[nEndPos.length-1] = nFileLength; t/z]KdK P
} ;n?72&h
} ~I<yN`5(a
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//启动子线程 -FA]%Pl<'
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; D)z'FOaI
for(int i=0;i<nStartPos.length;i++) Iw(2D(se
{ [OJ@{{U%
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), oL0Q%_9hW
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), w$ Lpuun{
nStartPos,nEndPos,i); z#*M}RR
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); F,{M!dL
fileSplitterFetch.start(); _urv
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} h_6QVab@
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), AkdONKO8{
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); -DDH)VO
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", AP.WTFf
nEndPos = " + nFileLength); P1DYjm[+D
// fileSplitterFetch[nPos.length-1].start(); z:f[<`,GT
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//等待子线程结束 0]
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//int count = 0; e|Iylv[3
//是否结束while循环 yv| |:wZC
boolean breakWhile = false; VyK]:n<5Q
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while(!bStop) |,CWk|G
{ *44^M{ti<
write_nPos(); z VleJ!d
Utility.sleep(500); _ +Ww1f
breakWhile = true; }{;m:Iia_
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for(int i=0;i<nStartPos.length;i++) O--
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{ O57n<J'6
if(!fileSplitterFetch.bDownOver) l1}=>V1
{ GKdQ
breakWhile = false; LY}%|w
break; 8
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} nTO,d$!Kp
} G]5m@;~l5
if(breakWhile) H%NP4pK
break; $I&DAG