/* #QS`_TlKk
**SiteFileFetch.java IDad9 Bx
*/ +=>,Pto<
package NetFox; M=8.Bp|Ye
import java.io.*; ZFiee|,q
import java.net.*; ](Xb_xMf
%@<8<6&q
ML}J\7R
public class SiteFileFetch extends Thread { pf]xqhL
]l;o}+`G
wVvF^VHV^
SiteInfoBean siteInfoBean = null; //文件信息Bean %h hfU6[
long[] nStartPos; //开始位置 O;+ maY^l
long[] nEndPos; //结束位置 NyaQI<5D
FileSplitterFetch[] fileSplitterFetch; //子线程对象 n"h`5p5'
long nFileLength; //文件长度 ]>W6
bTK
boolean bFirst = true; //是否第一次取文件 C+*d8_L
boolean bStop = false; //停止标志 B~?*?Z'
File tmpFile; //文件下载的临时信息 kS %Ydy#:'
DataOutputStream output; //输出到文件的输出流 6{@w="VT
k6;?)~.
//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) aH yx_B
public SiteFileFetch(SiteInfoBean bean) throws IOException Hf%@3X
{ k)i3
siteInfoBean = bean; W6^5YH%
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); jqz ux[6{
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); pD8+ 4;A
if(tmpFile.exists ()) ~jWn4
\
{ `A,-@`p
bFirst = false; #{6{TFx\
read_nPos(); l?\jB\,
} pg6cF
else S~<$Hy*kh
{ aJSO4W)P
nStartPos = new long[bean.getNSplitter()]; cA&9e<
nEndPos = new long[bean.getNSplitter()]; \/93Dz
} SDC4L <!
R1s`z|?
AKY1o.>z
x/%aM1"X^
} 1]d!~
,D5cjaX<
d}Xr}
public void run() fIM,lt
{ )n1_(;
//获得文件长度 /~DI 6g
//分割文件 fPU`/6
//实例FileSplitterFetch O5!7'RZ
//启动FileSplitterFetch线程 _;W.q7b]
//等待子线程返回 {k(g]#pP
try{ hMa]B*o/-
if(bFirst) y>S.?H:P
{ W}nlRbN?
nFileLength = getFileSize();
nI[os
if(nFileLength == -1) >R|/M`<ph
{ n"$jG:AQJ
System.err.println("File Length is not known!"); R%Hi+#/dr-
} +[Dx?XM
else if(nFileLength == -2) u :}%xD6
{ Y`KqEjsC*
System.err.println("File is not access!"); QfmJn((
} ZVW'>M7.
else @MoKWfc
{ B[qzUD*P_n
for(int i=0;i<nStartPos.length;i++) Ih@61>X.o*
{ !d'GE`w T
nStartPos = (long)(i*(nFileLength/nStartPos.length)); D,FHZDt
} [.K1iZyTi
for(int i=0;i<nEndPos.length-1;i++) |O3q@
{ []D&bYpv
nEndPos = nStartPos[i+1]; t1]K<>g
} md+nj{Ib
nEndPos[nEndPos.length-1] = nFileLength; =-tw5],
L
} 3\AU 72-
} '-wj9OU
( B!uy`
<xup'n^7C
//启动子线程 "WlZ)wyF%
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 6d:zb;Iz
for(int i=0;i<nStartPos.length;i++) <<UB ^v m
{ 6o^,@~:R
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), `34zkPB??
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), j
'FVz&
nStartPos,nEndPos,i); ?}qttj
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); '|ad_M
fileSplitterFetch.start(); y~(h>gi,x
} .n TwPrG
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), \-L&5x"x
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); u^&A W$
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", JR'
nEndPos = " + nFileLength); q~
tz? T_
// fileSplitterFetch[nPos.length-1].start(); Mc@e0
8."]//V
Q[Z8ok
//等待子线程结束 1f%1*L0>@
//int count = 0; &)2i[X
//是否结束while循环 0mpX)S
boolean breakWhile = false; #akpXdXs
-N6f1>}pE
;
a/X<
while(!bStop) %) /s; Q,
{ t9nqu!);
write_nPos(); [v7F1@6b
Utility.sleep(500); wrviR
breakWhile = true; DP[IZC
s:?SF.
+ndaLhj'
for(int i=0;i<nStartPos.length;i++) Y)1PB+
{ lvdf^b/
j
if(!fileSplitterFetch.bDownOver) A8xvo/n$
{ P|^f0Rw3.
breakWhile = false; f<
ia(d
break; >q#rw
} _uWpJhCT
} B3: ez
jj
if(breakWhile) B#exHf8
break; w2;eh]k
]5mn ew
Jlri*q"hE
//count++; x`U^OLV
//if(count>4) d+<G1w&