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**SiteFileFetch.java rU"AO}6\@
*/ \R@}X cqZ
package NetFox; <ZZfN@6
import java.io.*; P;25F
import java.net.*; hl**G4z9q
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public class SiteFileFetch extends Thread { 0K.$C~C
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SiteInfoBean siteInfoBean = null; //文件信息Bean M<Z#4Gg#4
long[] nStartPos; //开始位置 W3\+51P
long[] nEndPos; //结束位置
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FileSplitterFetch[] fileSplitterFetch; //子线程对象 CpN*1s})d
long nFileLength; //文件长度 wjX0r7^@
boolean bFirst = true; //是否第一次取文件 h6LjReNo
boolean bStop = false; //停止标志 t"%~r3{
File tmpFile; //文件下载的临时信息 AM!P?${a
DataOutputStream output; //输出到文件的输出流 av(qV$2
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) EMH-[EBx
public SiteFileFetch(SiteInfoBean bean) throws IOException EiM\`"o
{ ~8k`~t!
siteInfoBean = bean; ]A-LgDsS
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); jK6dI
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); %iIr %P?
if(tmpFile.exists ()) l@UF-n~[
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bFirst = false; 9} C(M?d
read_nPos(); L)|hjpQ
} {yf,:5
else <]S
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{ nrpbQ(zI*
nStartPos = new long[bean.getNSplitter()]; hZ<FCY,/?
nEndPos = new long[bean.getNSplitter()]; %:l\Vhhz
} C&d,|e "\
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} ri"=)]
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public void run() }F V_jJ
{ z9AX8k(B6
//获得文件长度 E0r#xmk
//分割文件 :]\-GJV5
//实例FileSplitterFetch ezJ^
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//启动FileSplitterFetch线程 #c<F,` gdi
//等待子线程返回 9J49s1
try{ u`+kH8#
if(bFirst) /6N!$*8
{ )J\
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nFileLength = getFileSize(); `a7b,d
if(nFileLength == -1) +Sv2'& B
{ ]Ah<kq2sk
System.err.println("File Length is not known!"); zBrqh9%8e
} !qs~j=;y3
else if(nFileLength == -2)
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System.err.println("File is not access!"); 'OYnLz`"6
} , YE+k`:
else ^jo*e,y:
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for(int i=0;i<nStartPos.length;i++) <