/* xBUya4w
**SiteFileFetch.java ]BtbWKJBqe
*/ %ThyOl@O
package NetFox; fq5_G~c=
import java.io.*; C|d\3S\(
import java.net.*; |X,|QC*7?
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public class SiteFileFetch extends Thread { Au{<hQ =
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SiteInfoBean siteInfoBean = null; //文件信息Bean W3D c r@Dy
long[] nStartPos; //开始位置 v$(lZa1
long[] nEndPos; //结束位置 61/.K_%I.
FileSplitterFetch[] fileSplitterFetch; //子线程对象 LVc4CE
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long nFileLength; //文件长度 O:TlIJwW
boolean bFirst = true; //是否第一次取文件 Q?8R[i
boolean bStop = false; //停止标志 ^
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File tmpFile; //文件下载的临时信息 @o#!EfZyE
DataOutputStream output; //输出到文件的输出流 _9tK[/h
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) IP``O!WP
public SiteFileFetch(SiteInfoBean bean) throws IOException (T>nPbv)
{ wj[\B*$?
siteInfoBean = bean; GiP`dtK
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); [01.\eh
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); '\Jj8oJQj
if(tmpFile.exists ()) B.g[c97
{ y_*PQZ$c<
bFirst = false; {88gW\GL
read_nPos(); UbEb&9}
} CPVjmRUF|
else lY~4'8^
{ HS{(v;
nStartPos = new long[bean.getNSplitter()]; AjJURn0`,!
nEndPos = new long[bean.getNSplitter()]; _<=S_<$2
} %{(x3\ *&
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} 'eo
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public void run() Q:|l`*.R
{ K=C!b?
//获得文件长度 o Y1';&BO9
//分割文件 rj6tZJZ#o0
//实例FileSplitterFetch Ma'_e=+A
//启动FileSplitterFetch线程 c9kzOQ2n
//等待子线程返回 2pzF5h
try{ 'fcMuBc+4
if(bFirst) "Fy7K#n
{ 0O\SU"bP
nFileLength = getFileSize(); ZDD..j
if(nFileLength == -1) WVmq% ,7
{ ddfs8\
System.err.println("File Length is not known!"); u)ev{)$TM
} JJltPGT~Oa
else if(nFileLength == -2) :(a]V"(&Eq
{ e1>aTu@
System.err.println("File is not access!"); !
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} %V1Z~HC
else P6 ;'Sza
{ Di@GY!
for(int i=0;i<nStartPos.length;i++) N[<H7_/3
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); "p/j; 6H
} /,MJq#@K
for(int i=0;i<nEndPos.length-1;i++) d~/q"r 1"
{ JCPUM*g8
nEndPos = nStartPos[i+1]; t^xTFn
} z-@=+4~
nEndPos[nEndPos.length-1] = nFileLength; 3I!?e!y3(
} ^ K7ic,{
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//启动子线程 P+!"wX0*N
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; |y h\
for(int i=0;i<nStartPos.length;i++) ) c/%
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{ < -uc."6\
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 'Q
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 2+cNo9f
nStartPos,nEndPos,i); ik"sq}u_]E
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); l"q1?kaVg
fileSplitterFetch.start(); /erN;Oo%<
} Dy]I8_
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), >6~k9>nDb<
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); RrhT'':[
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", OdQT2PA_
nEndPos = " + nFileLength); Qd_Y\PzS
// fileSplitterFetch[nPos.length-1].start(); .MVY B\6Q0
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//等待子线程结束 KJ?y@Q
//int count = 0; mAeuw7Ni
//是否结束while循环 .fi/I
boolean breakWhile = false; CvPioi
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while(!bStop) !PMU O\y
{ &SAH2xR
write_nPos(); c(U
Utility.sleep(500); [w0/\]o
breakWhile = true; Z2Zq'3*
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for(int i=0;i<nStartPos.length;i++) kF{*(r=.o
{ &(zfa&j|
if(!fileSplitterFetch.bDownOver) aZet0?Qr
{ Aj9Ji"18za
breakWhile = false; x$wd
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break; ~"lJ'&J}
} v[TYc:L=
} ~1*A
if(breakWhile) `gpQW~*R-;
break; ExSO|g]%
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//count++; 6 CC &Z>
//if(count>4) - ZW3
// siteStop(); !Y<oN~<%)
} l;"Ab?P\
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System.err.println("文件下载结束!"); nRb^<cZf
} c=[q(|+O!
catch(Exception e){e.printStackTrace ();} j J3zF3Id
} 0@5E|<