/* G/mXq-
**SiteFileFetch.java W"3ph6[eW
*/ "x /OIf
package NetFox; _Y[bMuUb=
import java.io.*; [66!bM&
import java.net.*; uXq.
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public class SiteFileFetch extends Thread { ,'iE;o{Tu
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SiteInfoBean siteInfoBean = null; //文件信息Bean .-X8J t
long[] nStartPos; //开始位置 :U(A;U1,
long[] nEndPos; //结束位置 ;]jNk'oa
FileSplitterFetch[] fileSplitterFetch; //子线程对象 %9RF
long nFileLength; //文件长度 !#"zTj
boolean bFirst = true; //是否第一次取文件 =4!e&o
boolean bStop = false; //停止标志 C\/L v.
File tmpFile; //文件下载的临时信息 9!DQ~k%
DataOutputStream output; //输出到文件的输出流 H]jhAf<h
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) wg]LVW}
public SiteFileFetch(SiteInfoBean bean) throws IOException @jlw_ob2g
{ O5t[
siteInfoBean = bean; O s.4)
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath()));
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 5lT*hF
if(tmpFile.exists ()) 4X(H;
{ CC^'@~)?
bFirst = false; |qZ1|
read_nPos(); AZ}Xj>=
} Bng@-#`/
else yEj^=pw
{ `I5wV/%ib
nStartPos = new long[bean.getNSplitter()]; [,KXze_m
nEndPos = new long[bean.getNSplitter()]; (DP &B%Sf
} \K<QmK
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} Nm>A'bLM
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public void run() !o[7wKrXb
{ d6sye^P
//获得文件长度 we?76t:-
//分割文件 VgC2+APg
//实例FileSplitterFetch p`#R<K
//启动FileSplitterFetch线程 M|(Q0 _8
//等待子线程返回 td3D=Y
try{ VEw"
if(bFirst) _aMPa+D=P
{ Yr=Y@~ XL
nFileLength = getFileSize(); h@]XBv
if(nFileLength == -1) Bv%GJ*>>
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System.err.println("File Length is not known!"); "4,?uPi
} Y.ToIka{
else if(nFileLength == -2) A^EE32kbm
{ SrK<fAkx
System.err.println("File is not access!"); ye? 'Ze
} c>~*/%+
else ,V:SN~P66+
{ A;|D:;x3G
for(int i=0;i<nStartPos.length;i++) 'xg
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{ %(G* ,
nStartPos = (long)(i*(nFileLength/nStartPos.length)); v(D;PS3r
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} YNj`W1
for(int i=0;i<nEndPos.length-1;i++) {9aE5kR
{ =;&yd';k
nEndPos = nStartPos[i+1]; pK'V9fD5J
} (%W&4a1di
nEndPos[nEndPos.length-1] = nFileLength; ^7KH _t8
} M8b;d}XL
} dIBE!4 V[
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//启动子线程 EeRX+BM,
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; c[1oww
for(int i=0;i<nStartPos.length;i++) V0XvJ
{ V2|aN<Sx<
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 6s/&