/* nECf2>Yp v
**SiteFileFetch.java y{P9k8v!z
*/ BkqW>[\5xm
package NetFox; ]a~LA7VHO
import java.io.*; LZ dNG\-
import java.net.*; r}Av"
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public class SiteFileFetch extends Thread { e!'u{>u
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SiteInfoBean siteInfoBean = null; //文件信息Bean 4=cq 76
long[] nStartPos; //开始位置 YIqfGXu8
long[] nEndPos; //结束位置 ^PpFI
FileSplitterFetch[] fileSplitterFetch; //子线程对象 BVeNK=7m%
long nFileLength; //文件长度 k;X1x65uP
boolean bFirst = true; //是否第一次取文件 zwK;6&(W
boolean bStop = false; //停止标志 K7Tell\`
File tmpFile; //文件下载的临时信息 =%G[vm/-)
DataOutputStream output; //输出到文件的输出流 qE=OQs9
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) bUL9*{>G
public SiteFileFetch(SiteInfoBean bean) throws IOException ' "
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siteInfoBean = bean; 3o^M%
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); <-aI%'?*
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); TnAX;+u
if(tmpFile.exists ()) _@76eZd
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bFirst = false; 5nb6k,+E
read_nPos(); 6[7k}9`alz
} IQv>{h}
else F'*4:WD7
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nStartPos = new long[bean.getNSplitter()]; =1Jo-!{{
nEndPos = new long[bean.getNSplitter()]; VHNiTp
} }Cf[nGh|B
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public void run() v21?
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//获得文件长度 !~v>&bCG>9
//分割文件 (P8oXb+%
//实例FileSplitterFetch &i RX-)^u
//启动FileSplitterFetch线程 Wno5B/V
//等待子线程返回 \ }f*
try{ xc?<:h"
if(bFirst) rfpxE>_|G
{ E3.s8}}
nFileLength = getFileSize(); 2_v>8B
if(nFileLength == -1) =Y[Ae7e
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System.err.println("File Length is not known!"); :LG%8Z{R
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else if(nFileLength == -2) g.s oNqt=
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System.err.println("File is not access!"); H)tDfk sq\
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else L~~Yh{<
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for(int i=0;i<nStartPos.length;i++) Y1IlH8+0
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); o5R40["
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for(int i=0;i<nEndPos.length-1;i++) O1,[7F.4g
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nEndPos = nStartPos[i+1]; |e>-v
} eH{ 9w8~
nEndPos[nEndPos.length-1] = nFileLength; 6Tnzg`0I
} ]9Hy
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} Ea?.HRxl
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//启动子线程 7/L7L5h<
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; *_wBV
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for(int i=0;i<nStartPos.length;i++) :_*Q
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{ 4fswx@l
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Pa<