/* H(0d(c1s
**SiteFileFetch.java p}j{<y
*/ QZDGk4GG
package NetFox; 2bCa|HTv
import java.io.*; ^c=@2#^\
import java.net.*; \TKv3N
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public class SiteFileFetch extends Thread { H\O|Y@uVr
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SiteInfoBean siteInfoBean = null; //文件信息Bean pHWol!
long[] nStartPos; //开始位置 Uqkh@-6-
long[] nEndPos; //结束位置 BG'gk#J+f
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Q,s,EooIx
long nFileLength; //文件长度 <H$ CCo
boolean bFirst = true; //是否第一次取文件 ']qC,;2
boolean bStop = false; //停止标志 MY0Wr%@#0
File tmpFile; //文件下载的临时信息 KYlWV<sR
DataOutputStream output; //输出到文件的输出流 5uu{f&?u)
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) R
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public SiteFileFetch(SiteInfoBean bean) throws IOException ~M <4HC
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siteInfoBean = bean; !D z:6r
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); ;aD_^XY
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 0m?ul%=
if(tmpFile.exists ()) -,Q<*)q{
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bFirst = false; 1pcSfN :"1
read_nPos(); 3lKIEPf6r
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nStartPos = new long[bean.getNSplitter()]; }3+q}_3
nEndPos = new long[bean.getNSplitter()]; d` ^@/1tO
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public void run() Cu!4ha.e`
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//获得文件长度 5m_@s?P[
//分割文件 oE5+
//实例FileSplitterFetch +[*UC"
//启动FileSplitterFetch线程 qT}&XK`Q^
//等待子线程返回 2*Gl|@~N
try{ (spX3n%p
if(bFirst) jP+4'O!s[
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nFileLength = getFileSize(); "b2Mk-qP
if(nFileLength == -1) ytJ |jgp'
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System.err.println("File Length is not known!"); !vG._7lPp
} mTcLocx
else if(nFileLength == -2) YP#OI6u
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System.err.println("File is not access!"); ph69u #Og
} |rNm_L2
else L5U>`lx6$
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for(int i=0;i<nStartPos.length;i++) b"x:IDW qG
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); "ebn0<cZ
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for(int i=0;i<nEndPos.length-1;i++) \2~.r/`1
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nEndPos = nStartPos[i+1]; _&yQW&vH#
} 4N*^%
nEndPos[nEndPos.length-1] = nFileLength; D:){T>
} +!w?g/dV
} #Xsby
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