/* O[#pB.
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**SiteFileFetch.java 0=Z_5.T>
*/ D<*#. >
package NetFox; 66l$}+|Zzc
import java.io.*; xk8P4`;d$
import java.net.*; &+V|L dh
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public class SiteFileFetch extends Thread { !&OybjQ
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SiteInfoBean siteInfoBean = null; //文件信息Bean y%x2
long[] nStartPos; //开始位置 ^3
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long[] nEndPos; //结束位置 4zM$I
FileSplitterFetch[] fileSplitterFetch; //子线程对象 t9B]V
long nFileLength; //文件长度 U.HeIJ#
boolean bFirst = true; //是否第一次取文件 L|[0&u!
boolean bStop = false; //停止标志 OTe0[p6v
File tmpFile; //文件下载的临时信息 _4jRUsvjY
DataOutputStream output; //输出到文件的输出流 @I^LmB9*
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) rwUKg[
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public SiteFileFetch(SiteInfoBean bean) throws IOException 2,O;<9au<
{ Lg[_9`\
siteInfoBean = bean; h tn?iLq
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); ]OKs65
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); vo_m$ /O
if(tmpFile.exists ()) PI0[
{ +TnRuehtk
bFirst = false; %XieKL
read_nPos(); G&/RJLX|w
} l|P(S(ikh
else vg5;F[e
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nStartPos = new long[bean.getNSplitter()]; 8}kY^"*&X
nEndPos = new long[bean.getNSplitter()]; I?mU _^no
} {]w@s7E
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} ."m2/Ks7
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public void run() <|'C|J_!
{ cR+9^DzA
//获得文件长度 b^Xq(q>5
//分割文件 HJ2r~KIw
//实例FileSplitterFetch ?=;dNS@i@
//启动FileSplitterFetch线程 OJL?[<I
//等待子线程返回 /M;A)z
try{ MR@*09zP(?
if(bFirst) OBCRZ
{ 4M&6q(389
nFileLength = getFileSize(); M"eiKX
if(nFileLength == -1) ytX XZ`
{ 4EiEE{9V
System.err.println("File Length is not known!"); N| dwuBW
} BEkxH.
else if(nFileLength == -2) e!67Na0X(
{ 9
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System.err.println("File is not access!"); NyTv~8A`)
} #Cda8)jl(
else n3t0Qc
{ csV.AN'obq
for(int i=0;i<nStartPos.length;i++) ?>V4pgGCE
{ dM{xPpnx
nStartPos = (long)(i*(nFileLength/nStartPos.length)); bF'^eR
} C"I:^&sL
for(int i=0;i<nEndPos.length-1;i++) 8Ilg[Drj*
{ iv*Ft.1t
nEndPos = nStartPos[i+1]; sILkTzsw
} S/?KC^JP
nEndPos[nEndPos.length-1] = nFileLength; u[_~ !y
} b NBpt}$
} V3'QA1$
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//启动子线程 $ 4\,a^
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ]C =+
for(int i=0;i<nStartPos.length;i++) &xlz80%
{ *OT6)]|k
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), YH(
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), z
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nStartPos,nEndPos,i); VemgG)\
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); fT-yY`
fileSplitterFetch.start(); e5_:15%R\
} G9.+N~GZ.
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), }>\+eG
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); %G& Zm$u=
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", }kaU0 P
nEndPos = " + nFileLength); =X?jId{
// fileSplitterFetch[nPos.length-1].start(); s5X .(;+
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//等待子线程结束 !tkP!%w
//int count = 0; 2G'Au} q0n
//是否结束while循环 wD-(3ZVd4
boolean breakWhile = false; aO9a G*9T
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while(!bStop) $\xS~w
{ ewYZ} "o
write_nPos(); iol.RszlZ|
Utility.sleep(500); &y?L^Aq
breakWhile = true; FTx&] QN?
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for(int i=0;i<nStartPos.length;i++) )E<<