/* X E|B)Q(
**SiteFileFetch.java vQ:wW',i
*/ >i
"qMZ
package NetFox; 7~_I=-
import java.io.*; Kv(z4 z
import java.net.*; *~p(GC
:e*DTVv8
8b|OXWl
public class SiteFileFetch extends Thread { u!Xb?:3uj
T~BA)![
YT>KJ
SiteInfoBean siteInfoBean = null; //文件信息Bean )4l>XlQ&
long[] nStartPos; //开始位置 '|A|vCRCG
long[] nEndPos; //结束位置 TG}d3ZU
!
FileSplitterFetch[] fileSplitterFetch; //子线程对象 %$@1FlqX;
long nFileLength; //文件长度 j'K38@M:MN
boolean bFirst = true; //是否第一次取文件 F{<5aLaYti
boolean bStop = false; //停止标志 -? s&pKi
File tmpFile; //文件下载的临时信息 I>PZYh'.T
DataOutputStream output; //输出到文件的输出流 kv6Cp0uFg
>F1G!#$0
//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) *G9sy_
public SiteFileFetch(SiteInfoBean bean) throws IOException xwRhs!`t1
{ 7A5p["?Z
siteInfoBean = bean; U-i.(UyZ
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); vT|`%~Be
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); HPrq1QpK
if(tmpFile.exists ()) !8sgq{x((
{ HPg3`Ul
bFirst = false; 8S\RN&T$
read_nPos(); oM!xz1kVL
} :.kZR;
else 0}{'C5
{ 7 8Vcu'j&_
nStartPos = new long[bean.getNSplitter()]; hi ~}
nEndPos = new long[bean.getNSplitter()]; S,)d(g3>
} k1)%.pt%
? B@E!/f
cHx%Nd\
JK]R*!{n
} h.)h@$d
&(EHq
-KH)J
public void run() T*?s@$)m4
{ V
A<5uk04K
//获得文件长度 ?38lHn`FyQ
//分割文件 X'f.Q
//实例FileSplitterFetch z-dFDtiA
//启动FileSplitterFetch线程 QT!
4[,4
//等待子线程返回 A4.4Dji,x
try{ O*[{z)M.
if(bFirst) _]b3,%2
{ `s|]"'rX
nFileLength = getFileSize(); L*h{'<Bz
if(nFileLength == -1) [}OgSP9i
{ :_ROJ
System.err.println("File Length is not known!"); %f j+70
} rYY$wA@
else if(nFileLength == -2) LCs__.
{ $Az^Y0[D
System.err.println("File is not access!"); 'fx UV<K&
} 9i5tVOhE
else ]5}=^
{ 8S]".
for(int i=0;i<nStartPos.length;i++)
(hB?
{ o! OMm!
nStartPos = (long)(i*(nFileLength/nStartPos.length)); Yw'NX5#)g
} ).5RPAP
for(int i=0;i<nEndPos.length-1;i++) D f4+^B,1
{ 5!I4l1
nEndPos = nStartPos[i+1]; Q8D&tJg
} 8'Z:ydj^,
nEndPos[nEndPos.length-1] = nFileLength; ]0c+/ \b&
} iDoDwq!l_
} #*9-d/K
?YQPlv:<o.
a,|?5j9,P
//启动子线程 :XG;ru%i
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 3*ixlO:qGk
for(int i=0;i<nStartPos.length;i++) [kV;[c}
{
foRD{Hx
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Os&n
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), Su8|R"qU
nStartPos,nEndPos,i); \25/$Ae}c
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); {sVY`}p|
fileSplitterFetch.start(); 6Wj^*L!
} &Lm-()wb
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), iD`d99f8O
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); l[Q:}y
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", lDc-W =X=
nEndPos = " + nFileLength); 2 PqS%`XiS
// fileSplitterFetch[nPos.length-1].start(); :s={[KBP
1PH:\0}
g7\,{Bw#E
//等待子线程结束 gU&%J4O
//int count = 0; 5%zXAQD=<
//是否结束while循环 r%@Lej5+
boolean breakWhile = false; \f:z+F!6R
P 1XK*GZ
m<rhIq
while(!bStop) m2~