/* xpx=t71Hq
**SiteFileFetch.java 2w'Q9&1~
*/ 0_}OKn)J
package NetFox; (\, <RC\
import java.io.*; ?5Wj y
import java.net.*; yaMNt}y-q
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public class SiteFileFetch extends Thread {
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SiteInfoBean siteInfoBean = null; //文件信息Bean :`2<SF^0O
long[] nStartPos; //开始位置 A)kx,,[
long[] nEndPos; //结束位置 ]U!vZY@\
FileSplitterFetch[] fileSplitterFetch; //子线程对象 f'0n^mSP
long nFileLength; //文件长度 aA-A>z
boolean bFirst = true; //是否第一次取文件 sHyhR:
boolean bStop = false; //停止标志 w>p0ldi
File tmpFile; //文件下载的临时信息 @vss:'l
DataOutputStream output; //输出到文件的输出流 A`TVV
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) lTvI;zy
public SiteFileFetch(SiteInfoBean bean) throws IOException ,3.E]_3xX
{ ]{{A/ j\
siteInfoBean = bean; N#Y%+1
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); h=.|!u
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 3xxQL,FV
if(tmpFile.exists ()) pzbR.L}'D
{ 8V >j-C
bFirst = false; 01g=Cg
read_nPos(); >N@tInE
} {UX?z?0T
else gV$j ]
{ -$f~V\M
nStartPos = new long[bean.getNSplitter()]; 7*^-3Tt83
nEndPos = new long[bean.getNSplitter()]; rIH/<@+
} 'C8VD+p
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public void run() VLC<ju!
{ B]L5K~d
//获得文件长度 U&yXs'3a&
//分割文件 .+MJ' bW
//实例FileSplitterFetch <+o-{{E[
//启动FileSplitterFetch线程 jl;_lcO
//等待子线程返回 `uM:>
try{ &PaqqU.
if(bFirst) dF:@BEo
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nFileLength = getFileSize(); ']Gqa$(YC
if(nFileLength == -1) k__i Jsk
{ XAwo~E
System.err.println("File Length is not known!"); oGM Ls
} A-^[4&rb
else if(nFileLength == -2) +~?ze,Di
{ N+ZDQa[
System.err.println("File is not access!"); )uC],CbW{
} #qrZ(,I@n
else 6!dbJ5x1
{ k!3X4;F!_
for(int i=0;i<nStartPos.length;i++) |t+M/C0y/
{ )Fx"S.Ok
nStartPos = (long)(i*(nFileLength/nStartPos.length)); .<`i!Ls
} ig<Eyr
for(int i=0;i<nEndPos.length-1;i++) [zl@7X1{_
{ _8P"/(
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nEndPos = nStartPos[i+1]; JQ=i{ 9iJ
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nEndPos[nEndPos.length-1] = nFileLength; <f.* =/]W2
} %KHO}gad1
} 8@]*X,umc
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//启动子线程 Z>gxECi
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; `bT!_ Ru
for(int i=0;i<nStartPos.length;i++) W t4ROj
{ Gdmh#pv
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), T6m#sVq
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), C~4_Vc*
nStartPos,nEndPos,i); JBfDz0P
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); mR@|] T
fileSplitterFetch.start(); vw5f.8T;w
} Z:DEET!c'k
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), RO[Ko-m|/N
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); J ^gtSn^
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", HM57b>6
nEndPos = " + nFileLength); O4RNt,?l
// fileSplitterFetch[nPos.length-1].start(); ~\kJir
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//等待子线程结束 %Xs3Lz
//int count = 0; wmKM:`&[5
//是否结束while循环 @ODwO;_R5
boolean breakWhile = false; E
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while(!bStop) cKuU#&FaV
{ kR$>G2$!
write_nPos(); !+T\}1f7d
Utility.sleep(500); OLh`R]Sd
breakWhile = true; |$"2R3
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for(int i=0;i<nStartPos.length;i++) Xou1X$$z
{ [p[nK=&r
if(!fileSplitterFetch.bDownOver) j(^ot001%v
{ (Cjnf
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breakWhile = false; ^7MhnA
break; n@n608
} AzAD76iNv
} \$:KfN>WY
if(breakWhile) F x,08
break; ~f=~tN)hZ
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//count++; ah<1&UG,
//if(count>4)
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// siteStop(); I@Zd<