/* P*3PDa@
**SiteFileFetch.java #iAw/a0&
*/ VPUm4%?p$
package NetFox; FV5~sy
import java.io.*; 2i~zAD'
import java.net.*; [=& tN)_
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public class SiteFileFetch extends Thread { UUDZ
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SiteInfoBean siteInfoBean = null; //文件信息Bean W7?f_E\>W
long[] nStartPos; //开始位置 I2e@_[
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long[] nEndPos; //结束位置 jI45X22j
FileSplitterFetch[] fileSplitterFetch; //子线程对象 NzG] nsw
long nFileLength; //文件长度 *s6(1S
boolean bFirst = true; //是否第一次取文件 rk< 3QXv
boolean bStop = false; //停止标志 p$}1V2h;
File tmpFile; //文件下载的临时信息 #KwK``XC4
DataOutputStream output; //输出到文件的输出流 :z a:gs0
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) ]udH`{]
public SiteFileFetch(SiteInfoBean bean) throws IOException YV)h"u+@0
{
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siteInfoBean = bean; ySNXjH
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); cp L '
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ]Aa.=
if(tmpFile.exists ()) 'I5~<"E
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bFirst = false; /tu\q
read_nPos(); {]3Rk
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else IpKpj"eoLy
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nStartPos = new long[bean.getNSplitter()]; lvk
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nEndPos = new long[bean.getNSplitter()]; fe+2U|y
} 7R=A]@
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public void run() ghDOz
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//获得文件长度 @{o3NR_
//分割文件 =6< Am
//实例FileSplitterFetch t[HA86X
//启动FileSplitterFetch线程 %C~LKs5oH
//等待子线程返回 k/.a
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try{ !R3ZyZcX
if(bFirst) Y!fgc<]'&
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nFileLength = getFileSize(); A&7~]BR\
if(nFileLength == -1) +hzS'z)n&
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System.err.println("File Length is not known!"); OQ*rxLcA
} EbMG9
else if(nFileLength == -2) Erq%Ck(
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System.err.println("File is not access!"); kqt.?iJw
} YZQF*fj
else \@hq7:Q
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for(int i=0;i<nStartPos.length;i++) *k<{ nj@y
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); (sL!nRw
} #*x8)6Ct
for(int i=0;i<nEndPos.length-1;i++) jZP~!q
{ [@`Ki
nEndPos = nStartPos[i+1]; Q4QF_um
} YLFM3IaP
nEndPos[nEndPos.length-1] = nFileLength; [FN4 _
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} wH0Ks5
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//启动子线程 |!\5nix3A>
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; z3(:a'
for(int i=0;i<nStartPos.length;i++) ,R5z`O
{ )&wJ