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**SiteFileFetch.java d2Q*1Q@u
*/ 4j=K3m
package NetFox; %H\J@{f
import java.io.*; }NyQ<,+mq&
import java.net.*; u$^tRz9
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public class SiteFileFetch extends Thread { Dh8'og)7
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SiteInfoBean siteInfoBean = null; //文件信息Bean >nSt<e
long[] nStartPos; //开始位置 +Mijio
long[] nEndPos; //结束位置 ou-UR5
FileSplitterFetch[] fileSplitterFetch; //子线程对象 :!g|pd[{ag
long nFileLength; //文件长度 ?110} [jw
boolean bFirst = true; //是否第一次取文件 M\4`S&
boolean bStop = false; //停止标志 @~$"&B
File tmpFile; //文件下载的临时信息 t?G6|3
DataOutputStream output; //输出到文件的输出流 2lsUCQI;
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) aA#79LS
public SiteFileFetch(SiteInfoBean bean) throws IOException ~5&4s
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siteInfoBean = bean; Q
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); seEo)m`d
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); T%) E!:}v
if(tmpFile.exists ()) {>1FZsR49t
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bFirst = false; !\4B.
read_nPos(); ? nW>'z
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else j~{cT/5Y_
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nStartPos = new long[bean.getNSplitter()]; 6qZ\^ U
nEndPos = new long[bean.getNSplitter()]; p}JOiiHa
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public void run() U)bv,{-q
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//获得文件长度 RX>P-vp
//分割文件 0uDDaFS
//实例FileSplitterFetch IANSpWea?
//启动FileSplitterFetch线程 o0 C&ol_
//等待子线程返回 eo9/
try{ ~I5hV}ZT
if(bFirst) >E<ib[vK[
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nFileLength = getFileSize(); &kIeW;X
if(nFileLength == -1) 0mSP
{
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System.err.println("File Length is not known!"); A!bG 2{r
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else if(nFileLength == -2) 2g{tzR_j
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System.err.println("File is not access!"); X-HE9PT.
} Y/.C+wW2
else }aRib{L
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for(int i=0;i<nStartPos.length;i++) xW`y7Q }p
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); Vbl-Ff
} 1'<C-[1
for(int i=0;i<nEndPos.length-1;i++)
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nEndPos = nStartPos[i+1]; 7_i8'(``
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nEndPos[nEndPos.length-1] = nFileLength; mF*x&^ie
} ~+dps i
} GjhTF|
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//启动子线程 : ZrJL&
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; "OjAhKfG
for(int i=0;i<nStartPos.length;i++) *XTd9E^tXq
{ sFFQ]ST2p
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), |EE1S{!24m
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), <