/* =(b;Cow
**SiteFileFetch.java ^l;nBD#nJ
*/ Z<6xQTx
package NetFox; e|u|b
import java.io.*; b}4k-hZL
import java.net.*; Hi #'h
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public class SiteFileFetch extends Thread { NKB,D$!~&
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SiteInfoBean siteInfoBean = null; //文件信息Bean "|w..%Wc
long[] nStartPos; //开始位置 0o2o]{rM{2
long[] nEndPos; //结束位置 ;%P$q9*C
FileSplitterFetch[] fileSplitterFetch; //子线程对象 +hL+3`TD#H
long nFileLength; //文件长度 "f\2/4EIl
boolean bFirst = true; //是否第一次取文件 zq-"jpZG
boolean bStop = false; //停止标志 {^gbS
File tmpFile; //文件下载的临时信息 AEaT
DataOutputStream output; //输出到文件的输出流 2)]C'
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) :" Q!Q@>
public SiteFileFetch(SiteInfoBean bean) throws IOException j|gv0SI_
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siteInfoBean = bean; fI(u-z~,
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); +N1oOcPC>C
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ?F' gh4
if(tmpFile.exists ()) y]QG;
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bFirst = false; '(A)^K>+
read_nPos(); T0n=nC}<
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else J&UFP{)
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nStartPos = new long[bean.getNSplitter()]; *%_:[>
nEndPos = new long[bean.getNSplitter()]; > ^fY`x,
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public void run() +F q`I2l|
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//获得文件长度 SvC|"-[mJ
//分割文件 F_;oZ
//实例FileSplitterFetch "8|y
//启动FileSplitterFetch线程 oZ95 )'L,
//等待子线程返回 opTDW)
try{ CK[2duf^~
if(bFirst) B;tU+36nM
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nFileLength = getFileSize(); Et~b^8$>
if(nFileLength == -1) mN3}wJ}J
{ h+F@apUS
System.err.println("File Length is not known!"); M$g%kqa
} G|FF
else if(nFileLength == -2) jq(3y|6,
{ CBdSgHA3>
System.err.println("File is not access!"); 7 y}b (q=
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else -a(f-
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for(int i=0;i<nStartPos.length;i++) m)9N9Ii#)
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); >kOc a
} 'TpW-r:
for(int i=0;i<nEndPos.length-1;i++) l!e8=QlJ
{ l=*^FK]L`
nEndPos = nStartPos[i+1]; |sz`w^#
} Ib.`2@o&
nEndPos[nEndPos.length-1] = nFileLength; 'JY*K:-
} UI|L;5
} D.xN_NK"
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//启动子线程 @<Au|l`
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; Ls#pe
for(int i=0;i<nStartPos.length;i++) i.2O~30ST
{ ~LGkc
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ElAJR4'{*i
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), adtK$@Yeg
nStartPos,nEndPos,i); B'6^E#9
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); hk4f)z
fileSplitterFetch.start(); ?cdSZ'49[
} _H@s^g
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), dj4 g
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); {;^booq
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", Us.yKAHPV
nEndPos = " + nFileLength); `Yp\.K z
// fileSplitterFetch[nPos.length-1].start(); ERQa,h/
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//等待子线程结束 8,2l >S
//int count = 0; m3XL;1y:a
//是否结束while循环 B#o(21s
boolean breakWhile = false; Dr6"~5~9w
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while(!bStop) 3P Twpq1
{ 0K7]<\)
write_nPos(); pVn6>\xa
Utility.sleep(500);
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breakWhile = true; _v4TyJ
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for(int i=0;i<nStartPos.length;i++) mH*42XC*
{ b,5H|$nLu
if(!fileSplitterFetch.bDownOver) #{7=
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breakWhile = false; n"Ec %n
break; l)D18
} Y{Kpopst
} <