/* G!Oq>7
**SiteFileFetch.java oy
bzD
*/ #4 &N0IG
package NetFox; 1r&
?J.z25
import java.io.*; n UCk0:{
import java.net.*; YCBML!L
rqe_zyc&
RK:sQWG
public class SiteFileFetch extends Thread { /{MH'
y'|W['
e=;@L3f
SiteInfoBean siteInfoBean = null; //文件信息Bean UN?T}p-
oF
long[] nStartPos; //开始位置 h;UdwmT
long[] nEndPos; //结束位置 Pq\V($gN
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Z?v6pjZ?
long nFileLength; //文件长度 I+?$4SC
boolean bFirst = true; //是否第一次取文件 u$,Wyi )L
boolean bStop = false; //停止标志 rI66frbj
File tmpFile; //文件下载的临时信息 ,
gr&s+
DataOutputStream output; //输出到文件的输出流 GVc[p\h(
/\uH[[s
//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) ae#HA[\0G
public SiteFileFetch(SiteInfoBean bean) throws IOException Qn)[1v
{ IA 9v1:>
siteInfoBean = bean; QqK{~I|l
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); zHc 4e
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); `pAp[]SfQd
if(tmpFile.exists ()) )7"DR+;:
{ M(WOxZ8
bFirst = false; `(Q_ 65y
read_nPos(); bc=u1=~w
} VueQP|
else @1-GPmj-
{ f.84=epv
nStartPos = new long[bean.getNSplitter()]; xiOrk
nEndPos = new long[bean.getNSplitter()]; qMdtJ(gq
} *o\Y~U-so
dms:i)L2
X.AWs=:-
'j<:FUDJ
} [(P[qEY
;7^j-6
h-+a;![
public void run() -KJ!
{ vQTQS[R=z
//获得文件长度 9EA
!j}
//分割文件 8j+:s\
//实例FileSplitterFetch M=
q~EMH
//启动FileSplitterFetch线程 2:HP5
//等待子线程返回 {9|$%4kRl
try{ 3G/ mB
if(bFirst) ^%8Hvy
{ iMeRQYW
nFileLength = getFileSize(); /Zeg\}/4[
if(nFileLength == -1) zmfRZ!Eh
{ `_g?y)
System.err.println("File Length is not known!"); J%-lw{FC
}
vH?+JN"A
else if(nFileLength == -2) . I&)MZ>n
{ &~JfDe9IS
System.err.println("File is not access!"); g*r{!:,t
} %f>
|fs
else [cLU*:
{ =.f +}y
for(int i=0;i<nStartPos.length;i++) :*&9TNUE@
{ 73s3-DS,
nStartPos = (long)(i*(nFileLength/nStartPos.length)); bR8
HGH28
} z2nUul(2
for(int i=0;i<nEndPos.length-1;i++) PxVI{:Uz
{ 6v2RS
nEndPos = nStartPos[i+1]; 3{I=#>;
} #9hXZr/8
nEndPos[nEndPos.length-1] = nFileLength; x [{q&N!"`
} vu'!-K=0
} mLk6!&zN
XAULD]Q
Fb{`a[&
//启动子线程 >upXt?
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; Aiks>Cyi23
for(int i=0;i<nStartPos.length;i++) hKzBq*cV
{ *CPB5s
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), sg6w7fp>
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), oA3W
{
nStartPos,nEndPos,i); k"^t?\Q%vI
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); .M53, 8X
fileSplitterFetch.start(); lgjoF_D
} o S:vTr+$
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), hA1gkEM2o
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); 6|9g4@Hy
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", ?<yq 2`\4O
nEndPos = " + nFileLength); peTO-x^a-
// fileSplitterFetch[nPos.length-1].start(); 0q>NE<L
%X9:R'~ sP
fBWJ%W
//等待子线程结束 [;IDTo!<>
//int count = 0; hDD~,/yVxs
//是否结束while循环 mcz(,u}
boolean breakWhile = false; c2\rjK
&t*8oNwSs
n2y/zP>TC
while(!bStop) Z*vpQBbu
{ l`M5'r]l
write_nPos(); d[>N6?JA/
Utility.sleep(500); {Z?$Co^R
breakWhile = true; +.gf]|
UU;-q_H6
f?>-yMR|
for(int i=0;i<nStartPos.length;i++) ;oY(I7
{ s7UhC.>'@
if(!fileSplitterFetch.bDownOver) L`HH);Ozw
{ BudWbZ5>Ep
breakWhile = false; we H@S
break; T)Zt'M
} mSw?2ba
}
1W}nYU
if(breakWhile) kh>SrW]B%
break; '!yS72{$2
g@k#J"Q'[
q(jkit~`A
//count++; vU8FHVytV
//if(count>4) [N+ m5{tT
// siteStop(); 6L:trLuQ
} <