/* ^67}&O^1 ,
**SiteFileFetch.java pZopdEFDK|
*/ @vyEN.K%mm
package NetFox; 8 yi#] 5`Q
import java.io.*; d/j?.\
import java.net.*; >'W,8F
R:&y@/JY8[
]xMZo){[|
public class SiteFileFetch extends Thread { z9 Ch %A{
~cSXBc,+
3^%2,
SiteInfoBean siteInfoBean = null; //文件信息Bean ,7bhUE/VB
long[] nStartPos; //开始位置 M1Ff ,]w
long[] nEndPos; //结束位置 ,cS#
FileSplitterFetch[] fileSplitterFetch; //子线程对象 L&)e}"
long nFileLength; //文件长度 aVK,(j9u
boolean bFirst = true; //是否第一次取文件 mj e9i
boolean bStop = false; //停止标志 mz%l4w?'
File tmpFile; //文件下载的临时信息 }q]*aADe
DataOutputStream output; //输出到文件的输出流 9xz@2b@
*cCx]C.~
//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) j3;W-c`5
public SiteFileFetch(SiteInfoBean bean) throws IOException i0/QfB%O
{ b way+lh
siteInfoBean = bean; @@U
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); >A X_"Q~
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ZCj1Cz]"l<
if(tmpFile.exists ()) SyI~iW#Y1
{ \By_mw
bFirst = false; mY/"rm
read_nPos(); Q"~%T@e
} Jh=.}FXnjL
else O2ktqAWx@
{ >I5Wf/$
nStartPos = new long[bean.getNSplitter()]; VnkhY
nEndPos = new long[bean.getNSplitter()]; 1}Q9y`65
} &.DRAD)
q MrM^ ~
Ul/m]b6-
C.:S@{sK
} M^Z=~512g
-.?
@f
tY
b<4nljbx
public void run() !`H{jwH
{ /"st
sF
//获得文件长度 jQm~F`z
//分割文件 NYP3u_
QX
//实例FileSplitterFetch ~Yg)8
//启动FileSplitterFetch线程 +@!\3a4!
//等待子线程返回 5PZ7-WJ/
try{ Q&{C%j~N
if(bFirst) t !6sU]{
{ $Ugc:L<h+
nFileLength = getFileSize(); #~/9cVm$
if(nFileLength == -1) (0Br`%!F
{ )#M$ov
System.err.println("File Length is not known!"); Uv>e :U7 ;
} <a$!S
else if(nFileLength == -2) N}%AUm/L
{ *j]Bo,AC
System.err.println("File is not access!"); zn^7#$fC
} r2+ZxMo|
else ZT*}KJm
{ Ewr2popK
for(int i=0;i<nStartPos.length;i++) kI!@J6
{ *5oQZ".vA*
nStartPos = (long)(i*(nFileLength/nStartPos.length)); $dKfUlO
} ww7nQ}H5(
for(int i=0;i<nEndPos.length-1;i++) KJOb1MM
{ #tHYCSr]
nEndPos = nStartPos[i+1]; &x\)] i2f
} 'D`lVUB
nEndPos[nEndPos.length-1] = nFileLength; qGV(p}$O
} &l]F&-
} QOUyD;0IW
!2HF|x$
M0lJyzJ
//启动子线程 r`<e<C
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ;}f {o^ ]'
for(int i=0;i<nStartPos.length;i++) 1+-Go}I
{ Kgi`@`
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), t^K Qv~
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), iR9duP+
nStartPos,nEndPos,i); xg,
9~f[
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); ob/<;SrU<
fileSplitterFetch.start(); @.a59kP8X
} mD% qDKI
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ZDzG8E0Sq
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ]?T^tJ
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", Hpz1Iy@
nEndPos = " + nFileLength); ZG1TRF "
// fileSplitterFetch[nPos.length-1].start(); 6l2O>V
QQN6\(;-
Wd!Z`,R
//等待子线程结束
+ug2p;<B
//int count = 0; k=kkF"
//是否结束while循环 =s*c(>
boolean breakWhile = false; )K]p^lO
J5jI/P
6p&2A
while(!bStop) ( z)#}TC
{ @8m%*pBg
write_nPos(); =to.Oa RR
Utility.sleep(500); p|nPu*R-\
breakWhile = true; U_'M9g{,<
OhN2FkxL
Ws0)B8y,|
for(int i=0;i<nStartPos.length;i++) ,.2qh|Ol
{ DeW{#c6
if(!fileSplitterFetch.bDownOver) DVwB}W~
{ g.!k>_g`
breakWhile = false; PB"=\>]`N
break; P8h|2,c%
} JBHPI@Qt%
} XaE*$:
if(breakWhile) H)Me!^@[D
break; 'j{o!T0
)i.pE]!+
w{ _g"X
//count++; qTbc?S46pt
//if(count>4) A:y^9+Da
// siteStop(); j~.tyxOq#
} 0S>L0qp
|BhL.
/CyFe<