/* "_UdBG
**SiteFileFetch.java ENVk{QE!
*/ d~J-|yyT
package NetFox; l\0w;:N3
import java.io.*; &C<yfRDu
import java.net.*; jhgX{xc
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public class SiteFileFetch extends Thread { R7jmv n
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SiteInfoBean siteInfoBean = null; //文件信息Bean B;6]NCxD
long[] nStartPos; //开始位置 iRo.RU8>
long[] nEndPos; //结束位置 ;h=*!7:
FileSplitterFetch[] fileSplitterFetch; //子线程对象 k*rZ*sSp
long nFileLength; //文件长度 `>(W"^
boolean bFirst = true; //是否第一次取文件 y;cUl, :v
boolean bStop = false; //停止标志 zdl%iop3e
File tmpFile; //文件下载的临时信息 = {'pUU
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) Yj|eji7y
public SiteFileFetch(SiteInfoBean bean) throws IOException Vgb *% I
{ inb^$v
siteInfoBean = bean; 9I7\D8r
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); }GMbBZ:nKK
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ^jB8Q
if(tmpFile.exists ()) %VJ85^B3
{ lf<S_2i
bFirst = false; ZIR0PQh\
read_nPos(); 6d[_G$'nk
} gU^$Sx7'
else -Y#sI3o*R8
{ @!N-RQ&A
nStartPos = new long[bean.getNSplitter()]; _ZB\L^j)
nEndPos = new long[bean.getNSplitter()]; ]Y>h3T~
} 7tM9u5FF
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public void run() >>b3ZE|5
{ ,C.:;Ime({
//获得文件长度 D-Vai#Cd
//分割文件 )5j;KI%t
//实例FileSplitterFetch V3;.{0k
//启动FileSplitterFetch线程 ]?1Y
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//等待子线程返回 Pz#7h*;cw.
try{ G|w=ez
if(bFirst) ,
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{ -4rDbDsr
nFileLength = getFileSize(); kd:$oS_*s
if(nFileLength == -1) c3*t_!@oC
{ 1axQ)},o@p
System.err.println("File Length is not known!"); Ab%;Z5$fr
} jCAC
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else if(nFileLength == -2) 4(neKr5\#
{ =p^He!
System.err.println("File is not access!"); unJid8Lo
} 87%*+n:?*
else EpS(o>'
{ jc[_I&Oc_
for(int i=0;i<nStartPos.length;i++) 8[CB>-9
{ $8USyGi3J
nStartPos = (long)(i*(nFileLength/nStartPos.length)); m=AqV:%|
} X{n- N5*
for(int i=0;i<nEndPos.length-1;i++) U t-B^x)gl
{ {qW~"z*
nEndPos = nStartPos[i+1]; UX3BeUi.)
} ;@,Q&B2eM
nEndPos[nEndPos.length-1] = nFileLength; $&s=68
} Om'+]BBN
} CM )Q&