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**SiteFileFetch.java \lNN Msd&
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package NetFox; -H-~;EzU
import java.io.*; /_ajaz%
import java.net.*; K"@M,8hb
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public class SiteFileFetch extends Thread { f`66h M[
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SiteInfoBean siteInfoBean = null; //文件信息Bean mXs; b
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long[] nStartPos; //开始位置 Mrb)
long[] nEndPos; //结束位置 ,"79P/C
FileSplitterFetch[] fileSplitterFetch; //子线程对象 l}M!8:UzU
long nFileLength; //文件长度 1yY0dOoLG)
boolean bFirst = true; //是否第一次取文件 Srd4))2/0
boolean bStop = false; //停止标志 dUdT7ixo
File tmpFile; //文件下载的临时信息 _PR4`C*
DataOutputStream output; //输出到文件的输出流 )Xyn
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) @`Su0W+.
public SiteFileFetch(SiteInfoBean bean) throws IOException % %UE+u@J
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siteInfoBean = bean; +x}<IS8
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); %e} Saf
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); bi;1s'Y<D
if(tmpFile.exists ()) g<
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bFirst = false; Ny)X+2Ae
read_nPos(); uFga~g
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else ]')RMg zM*
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nStartPos = new long[bean.getNSplitter()]; [z9Z5sLO
nEndPos = new long[bean.getNSplitter()]; '@P^0+B!(.
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public void run() aC)!T
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//获得文件长度 x]ot 2
//分割文件
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//实例FileSplitterFetch }*"p?L^p{
//启动FileSplitterFetch线程 ;gr9/Vl
//等待子线程返回 IIx#2r
try{ uY'HT|@:{
if(bFirst) ^K@C"j?M/
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nFileLength = getFileSize(); BIL Lq8)
if(nFileLength == -1) jWfa;&Ra
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System.err.println("File Length is not known!"); +=8VTCn?
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else if(nFileLength == -2)
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System.err.println("File is not access!"); k|d+#u[Mj@
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else wLr_-vJ
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for(int i=0;i<nStartPos.length;i++) V3j= Kf
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); H$4:lH&(
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for(int i=0;i<nEndPos.length-1;i++) [!OxZ!
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nEndPos = nStartPos[i+1]; #Mw8^FST
} "snw4if
nEndPos[nEndPos.length-1] = nFileLength; W5MTD]J
} Q]>.b%s[
} 1&Z