/* uMBb=
**SiteFileFetch.java dRTpGz
*/ Q1
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package NetFox; 6:\z8fYD
import java.io.*; [92bGR{
import java.net.*; FRTvo
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public class SiteFileFetch extends Thread { A3 zNUad;
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SiteInfoBean siteInfoBean = null; //文件信息Bean taOsC!Bp
long[] nStartPos; //开始位置 ,I[A~
long[] nEndPos; //结束位置 8\Eq(o}7
FileSplitterFetch[] fileSplitterFetch; //子线程对象 i4
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long nFileLength; //文件长度 5?|PC.
boolean bFirst = true; //是否第一次取文件 .T*7nw
boolean bStop = false; //停止标志 CY9`HQ1
File tmpFile; //文件下载的临时信息 FD}>}fLv
DataOutputStream output; //输出到文件的输出流 ..^,*
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) dk2o>jI4;
public SiteFileFetch(SiteInfoBean bean) throws IOException SiJX5ydz
{ v aaZ
siteInfoBean = bean; upH%-)%'
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); '?!2h'
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ;"GI~p2~7
if(tmpFile.exists ()) 4U:+iumy2
{ Y'%_--
bFirst = false; ^F1zkIE
read_nPos(); :Ee5:S
} fKT(.VNq5
else GgjBLe=C
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nStartPos = new long[bean.getNSplitter()]; VAR/"
nEndPos = new long[bean.getNSplitter()]; on1mu't_;
} K#p&XIY,
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public void run() wwmODw<tT
{ 1vxh3KS.
//获得文件长度 (.3L'+F
//分割文件
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//实例FileSplitterFetch R:JS)>B
//启动FileSplitterFetch线程
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//等待子线程返回 9/|i.2&
try{ #Ryu`b
if(bFirst) J XnPKAN
{ c5rQkDW
nFileLength = getFileSize(); IA;KEGJ
if(nFileLength == -1) =U".L
{ ]QU52R@M
System.err.println("File Length is not known!"); UoxF00H@!
} s^{j
else if(nFileLength == -2) Jq`fD~(7
{ `0Q:d'
System.err.println("File is not access!"); 7+u%]D!
} ;7<a0HZ5!
else j|(bDa4\
{ ArU>./)Q
for(int i=0;i<nStartPos.length;i++) BmUzsfD
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); ig/716r|
} Gb\7W
for(int i=0;i<nEndPos.length-1;i++) Sb[rSczS~
{ @;,O V&XYn
nEndPos = nStartPos[i+1]; 0+:.9*g=k
} @]#+`pZ4A
nEndPos[nEndPos.length-1] = nFileLength; ~K],hi^<P
} 9e :E% 2
} C 127he
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//启动子线程 2i(|? XJ^
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; qc'tK6=jp
for(int i=0;i<nStartPos.length;i++) v981nJ>w,
{ a\m10Ih:
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 25ZGuM
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), Da-(D<[0
nStartPos,nEndPos,i); .Um%6a-
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); 1I^Sv
fileSplitterFetch.start(); ;+b}@e
} v|,H d
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), v
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); q%:Jmi>
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", pmW=l/6+V3
nEndPos = " + nFileLength); Ft.BfgJ$
// fileSplitterFetch[nPos.length-1].start(); mQs'2Y6Oa
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//等待子线程结束 q=1SP@;\6
//int count = 0; e<^4F%jSK
//是否结束while循环 kyo ,yD
boolean breakWhile = false; V!U[N.&$
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while(!bStop) 2aje$w-
{ xf]4!zE
write_nPos(); ia_8$>xW+
Utility.sleep(500); VYAe!{[
breakWhile = true; Xp?Z;$r$
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for(int i=0;i<nStartPos.length;i++) T&23Pf 1
{ =W|Q0|U
if(!fileSplitterFetch.bDownOver) 1aT$07G0
{ d|NNIf
breakWhile = false; d<3"$%C
break; z"O-d<U5
} e #OU {2X
} [1UqMkXtf
if(breakWhile) 6kuSkd$.
break; $WPN.,7
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//count++; +{w&ksk
//if(count>4) SA7,]&Zb