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**SiteFileFetch.java +&dkJ 4g[
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package NetFox; 1rS8+!9C
import java.io.*; [k0/ZfFwV
import java.net.*; vvu $8n
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public class SiteFileFetch extends Thread { &E1m{gB(
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SiteInfoBean siteInfoBean = null; //文件信息Bean ~4|Tr z2T
long[] nStartPos; //开始位置 'c_K[p$
long[] nEndPos; //结束位置 l|{[vZpT
FileSplitterFetch[] fileSplitterFetch; //子线程对象 nW}
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long nFileLength; //文件长度 xQ2:tY#?
boolean bFirst = true; //是否第一次取文件 a6Joa&`dv
boolean bStop = false; //停止标志 )\j
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File tmpFile; //文件下载的临时信息 !!ma]pB,
DataOutputStream output; //输出到文件的输出流 [9B1 %W
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 2% /Kf}+
public SiteFileFetch(SiteInfoBean bean) throws IOException =6+99<G|%M
{ +xgP&nw[-
siteInfoBean = bean; 3Fxr=
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); E N CWOj
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); AWE ab
if(tmpFile.exists ()) awI{%u_(nA
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bFirst = false; bdY:-8!3
read_nPos(); nt+OaXe5D
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else m=+x9gL2
{ 3<xDxj0<
nStartPos = new long[bean.getNSplitter()]; >x3lA0m
nEndPos = new long[bean.getNSplitter()]; +jK-k_
} IibYG F
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public void run() ! nvg:$.&
{ e(xuy'4r
//获得文件长度 3kk^hvB+f
//分割文件 FUlhEH
//实例FileSplitterFetch Ibu9AwPm
//启动FileSplitterFetch线程 {~uTi>U
//等待子线程返回 d=n{Wn{C
try{ b$%Kv(
if(bFirst) M0~%[nX
{ !_QT{H
nFileLength = getFileSize(); F>3 o0ke}
if(nFileLength == -1) k& +gkJm
{ E1tCY.N{
System.err.println("File Length is not known!"); dq`{fqGl
} k].swvIi
else if(nFileLength == -2) D7T|K :F)
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System.err.println("File is not access!"); *coUHbP9>
} AWYlhH4c?t
else >;'0ymG.`
{ P"l'? `
for(int i=0;i<nStartPos.length;i++) Je6wio-4
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); `}KxzD
} w/(c}%v}=
for(int i=0;i<nEndPos.length-1;i++) )dqNN tS
{ fK+
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nEndPos = nStartPos[i+1]; >X
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nEndPos[nEndPos.length-1] = nFileLength; DyCzRkH
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} ,z>-_HOnw
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//启动子线程 k&%i+5X
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; IQ~qiFCf
for(int i=0;i<nStartPos.length;i++) 9#@s(s
{ Ie!&FQe2