/* _3wJ;cn.
**SiteFileFetch.java RgFpc*.T
*/ "fNv(> -7s
package NetFox; jS3@Z?x?*
import java.io.*; anz7ae&P'K
import java.net.*; `::j\3B&Y-
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public class SiteFileFetch extends Thread { 6T~+vT
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SiteInfoBean siteInfoBean = null; //文件信息Bean xF) .S@
long[] nStartPos; //开始位置 *]q`:~u2
long[] nEndPos; //结束位置 oU3gy[wF;b
FileSplitterFetch[] fileSplitterFetch; //子线程对象 n @@tO#!\
long nFileLength; //文件长度 tZ=|1lM
boolean bFirst = true; //是否第一次取文件 /Tl ybSC1
boolean bStop = false; //停止标志 )N{PWSPs
File tmpFile; //文件下载的临时信息 8z=o.\@
DataOutputStream output; //输出到文件的输出流 "e\73?P
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) oKSW:A
public SiteFileFetch(SiteInfoBean bean) throws IOException W{ozZuo
{ wAR:GO'n
siteInfoBean = bean; Y
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); K'e!BZm6Q
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); jj `0w@
if(tmpFile.exists ()) T2W^4)
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bFirst = false; T;3~teVYB
read_nPos(); )`5-rm~*
} D//58z&
else O{]}{Ss
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nStartPos = new long[bean.getNSplitter()]; )}w-;HX
nEndPos = new long[bean.getNSplitter()]; 2s 9U&
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public void run() %u|Qh/?7
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//获得文件长度 )Knsy
//分割文件 qj*BV
//实例FileSplitterFetch /e*<-a
//启动FileSplitterFetch线程 z9#jXC#OdN
//等待子线程返回 f}FJR6VO
try{ Ej VB\6,
if(bFirst) y;9K
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nFileLength = getFileSize(); =g@hh)3wP
if(nFileLength == -1) @izS_I,
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System.err.println("File Length is not known!"); H<b4B$/
} 4f0dc\$
else if(nFileLength == -2) \BsvUGd
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System.err.println("File is not access!"); yNx"Ey dk`
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else <* PjG}Z.
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for(int i=0;i<nStartPos.length;i++) HZ2 zL17
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nStartPos = (long)(i*(nFileLength/nStartPos.length));
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for(int i=0;i<nEndPos.length-1;i++) |4Q><6"G
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nEndPos = nStartPos[i+1]; K&