/* oArXP\#
**SiteFileFetch.java P#V}l'j(<a
*/ lPrAx0m13%
package NetFox; >x6)AH.
import java.io.*; 5tk7H2K^<
import java.net.*; *!j!o%MB
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public class SiteFileFetch extends Thread { F%.UpV,
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SiteInfoBean siteInfoBean = null; //文件信息Bean fWb+08}C
long[] nStartPos; //开始位置 ^Pah\p4bj
long[] nEndPos; //结束位置 2 .\"Q
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Y/?z8g'p
long nFileLength; //文件长度 LXZI|K[}k
boolean bFirst = true; //是否第一次取文件 3`)ej`
boolean bStop = false; //停止标志 G&t|aY-
File tmpFile; //文件下载的临时信息 7#SfuZ0@
DataOutputStream output; //输出到文件的输出流 qz.l
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) g1:%986jv
public SiteFileFetch(SiteInfoBean bean) throws IOException H7k@Br
{ 3w"_Onwk
siteInfoBean = bean; ZAn9A>5_
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); t/3HX]B_
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); J#q^CWN3R
if(tmpFile.exists ()) ,gM:s}l!dJ
{ YQWq*o^:
bFirst = false; ,6o tm
read_nPos(); @sW!g;\T
} "rfBYl`
else <;uM/vSi
{ &aa3BgxyE
nStartPos = new long[bean.getNSplitter()]; -%Rbd0gVH\
nEndPos = new long[bean.getNSplitter()]; awjAv8tPO!
} Z[0/x.pp$
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} '=eVem=
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public void run() ;lSsy
{ S]Di1E^r;_
//获得文件长度 U3{4GmrT
//分割文件 _/u(:
//实例FileSplitterFetch [=tIgMmz
//启动FileSplitterFetch线程 {[hgSVN;
//等待子线程返回 \Lg4 Cx
try{ rO YD[+
if(bFirst) Pjxj$>&;*j
{ {B e9$$W,
nFileLength = getFileSize(); RKM5FXX
if(nFileLength == -1) 3(nnN[?N,5
{ JT=ax/%Mo
System.err.println("File Length is not known!"); =-&h@mB;G
} l|iOdKr h
else if(nFileLength == -2) .g?D3$|K
{ >3~)2)Q
System.err.println("File is not access!"); u:6R|%1fNn
} 2\1bQq\
else B=7maYeU
{ cV_-Bcb
for(int i=0;i<nStartPos.length;i++) JIHIKH-#
{ Bk^o$3#
nStartPos = (long)(i*(nFileLength/nStartPos.length)); F S$8F
} mlUj%:Gm#
for(int i=0;i<nEndPos.length-1;i++) G
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nEndPos = nStartPos[i+1]; p L^3*B.Nr
} `M. I.Z_
nEndPos[nEndPos.length-1] = nFileLength; %<'.c9u5
} 6eA)d#
} FjLMN{eH/
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//启动子线程 UX<)hvKj
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; pf+VYZ#)
for(int i=0;i<nStartPos.length;i++) tkkh<5{C
{ r .
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), F2ISg'
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), z#rp8-HUDS
nStartPos,nEndPos,i); ;>;it5 l=
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); "Nz@jv?
fileSplitterFetch.start(); (ss,x CF
} *OIBMx#qxn
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ZU;jz[}
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); F6b;qb6n
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", }qWB=,8HQ
nEndPos = " + nFileLength);
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// fileSplitterFetch[nPos.length-1].start(); Z",2db
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//等待子线程结束 s&<76kwl
//int count = 0; Q#.E-\=^
//是否结束while循环 jA[")RVG
boolean breakWhile = false; {,Rlq
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while(!bStop) B@VAXmCaoV
{ 6`bR'
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write_nPos(); ]*Q,~uV^|
Utility.sleep(500); u8`S*i/)m
breakWhile = true; ,'9R/7%s
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for(int i=0;i<nStartPos.length;i++) K{V.N<