/* ^N={4'G)
**SiteFileFetch.java \}b2oiY
*/ qf0pi&q
package NetFox; agUdI_'~@9
import java.io.*; Vh\_Ko\V5
import java.net.*; S\:^#Yi`
UdO8KD#r3
y<Koc>8
public class SiteFileFetch extends Thread { Bq8#'K2i,
bsQ'kBD
"^4*,41U
SiteInfoBean siteInfoBean = null; //文件信息Bean I*-\u
long[] nStartPos; //开始位置 )O[8 D
long[] nEndPos; //结束位置 e)e(f"t6Q
FileSplitterFetch[] fileSplitterFetch; //子线程对象 >fC&bab
long nFileLength; //文件长度 E^-c,4'F
boolean bFirst = true; //是否第一次取文件 [piK"N
boolean bStop = false; //停止标志 Wg}KQ6
6
File tmpFile; //文件下载的临时信息 31G:[;g
DataOutputStream output; //输出到文件的输出流 ko}& X=
}_lG2#Ll5
//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) RE t&QP
public SiteFileFetch(SiteInfoBean bean) throws IOException $1 ])>m_ct
{ 8-G )lyfj
siteInfoBean = bean; dy6zrgxygP
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); Y][12{I{
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); &kb~N-
if(tmpFile.exists ()) V[.{cY?6
{ #eJfwc1JY
bFirst = false; sV"tN2W@
read_nPos(); 2VV>?s
} E3wpC#[Q1
else 1EV bGe%b
{ ,3?=W/Um4
nStartPos = new long[bean.getNSplitter()]; ^JY {<
nEndPos = new long[bean.getNSplitter()]; '
#K@%P
} _f!ko<52
IgbuMEfL
O8Mypv/C
j)@W1I]2#
} s4Ja y!A
~?NCmU=3
qK'mF#n0#
public void run() >"/TiQt
{ #.Dl1L/
//获得文件长度 ^6Aa^|
//分割文件 ^?e[$}
//实例FileSplitterFetch 2[B bdg[O
//启动FileSplitterFetch线程 /[6wm1?!
//等待子线程返回 Ls2OnL9
try{ oN}\bK
if(bFirst) MQ =x:p{
{ 1'~+.92Y
nFileLength = getFileSize(); g(P7CX+y
if(nFileLength == -1) pKLcg"{[F
{ iB0r+IbR
System.err.println("File Length is not known!"); }'<Z&NW6
} z\v
else if(nFileLength == -2) :/6:&7s
{ @IL@|Srs8
System.err.println("File is not access!"); ,8*A#cT
B
} 0^{Tq0Ri[
else B)/&xQu
{ dZ|bw0~_!
for(int i=0;i<nStartPos.length;i++) 0of:tZU
{ d)48m}[:
nStartPos = (long)(i*(nFileLength/nStartPos.length)); ,JH*l:7
} e`+
for(int i=0;i<nEndPos.length-1;i++) a3A-N] ;f
{ -)J*(7F(6^
nEndPos = nStartPos[i+1]; p!DdX
} W[QgddR
nEndPos[nEndPos.length-1] = nFileLength; {{A=^rr%C
} h9Sf
} UHY)+6qt]
2s2KI=6
}f>
81[^
//启动子线程 Q]/g=Nn
^~
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ,9|7{j|u
for(int i=0;i<nStartPos.length;i++) SFWS<H(IN
{ 2aivc,m{r
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), %_]O|(
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), -{3^~vW|<
nStartPos,nEndPos,i); @bkSA
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); {w>ofyqfp&
fileSplitterFetch.start(); Uwiy@T Z
} bAY>o
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), <O9WCl
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); 9Lt3^MKa"
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", w#(E+s~}
nEndPos = " + nFileLength); Rv*x'w
==
// fileSplitterFetch[nPos.length-1].start(); cCtd\/ \
"gpfD-BX
Qe[ai?iJkt
//等待子线程结束 |b
Z
58{}
//int count = 0; k<