/* 0;6eSmF
**SiteFileFetch.java iX
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*/ ZMa@/\pf1
package NetFox; d%?$UnQ
import java.io.*; v%^"N_]
import java.net.*; dA03,s
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public class SiteFileFetch extends Thread { wjEyU:
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SiteInfoBean siteInfoBean = null; //文件信息Bean ?E +[
long[] nStartPos; //开始位置 Fw.df<
long[] nEndPos; //结束位置 mQd
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FileSplitterFetch[] fileSplitterFetch; //子线程对象 FqwH:Fcr:
long nFileLength; //文件长度 K)DpC* j
boolean bFirst = true; //是否第一次取文件 I.dS-)Y
boolean bStop = false; //停止标志 {$AwG#kt
File tmpFile; //文件下载的临时信息
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DataOutputStream output; //输出到文件的输出流 k7ye,_&>
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) dBRK6hFC
public SiteFileFetch(SiteInfoBean bean) throws IOException Bl$Hg,in-
{ FW=`Fm@z%%
siteInfoBean = bean; r{mj[N'@
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); }+]
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); X 5_T?
if(tmpFile.exists ()) @y1:=["b
{ H"5=z7w
bFirst = false; \Dlmrke
read_nPos(); X^o0t^
} 1Y+g^Z;G
else U,Q
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nStartPos = new long[bean.getNSplitter()]; o{[w6^D7
nEndPos = new long[bean.getNSplitter()]; b%wm-p
} +Z7:(o<
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public void run() !FA[
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{ -4Hf5!
//获得文件长度 2QIx~Er
//分割文件 Ci9]#)"c
//实例FileSplitterFetch >S}^0vNZX
//启动FileSplitterFetch线程 +d!"Zy2|B
//等待子线程返回 <rI8O;\H
try{ C.`!?CW
if(bFirst) *N65B#
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nFileLength = getFileSize(); O=
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if(nFileLength == -1) }Gf9.ACQ
{ 89Ch'D
System.err.println("File Length is not known!"); ioT+,li
} }}b &IA#
else if(nFileLength == -2) +wIv|zj9
{ [cso$Tv
System.err.println("File is not access!"); 6^vz+oN
} HRg< f= oz
else >xCc#]v&
{ AFdBf6/"i
for(int i=0;i<nStartPos.length;i++) 8," 5z_
{ n?mV(? N
nStartPos = (long)(i*(nFileLength/nStartPos.length)); 9.>he+
} 4Ai#$SHLm
for(int i=0;i<nEndPos.length-1;i++) >Q#\X=a>
{ zvOSQxGQ
nEndPos = nStartPos[i+1]; +'V ,z
} ]@A31P4t|
nEndPos[nEndPos.length-1] = nFileLength; }cO}H2m
} kO}QOL4
} |%$mN{
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//启动子线程 Q@ghQGn#
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; -izZ D
for(int i=0;i<nStartPos.length;i++) VMl)_M:'
{ ]I:h4hgw
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 0eFvcH:qG
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), M
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nStartPos,nEndPos,i); !n3J6%b9y/
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); FA$1&Fu3Y
fileSplitterFetch.start(); 2)T.Ci cx
} W.m2`] &