/* }D!o=Mg^
**SiteFileFetch.java WdbHT|.Aj
*/ [f]:hJi
package NetFox; !j9(%,PR
import java.io.*; J$S*QCo
import java.net.*; Qa"4^s
/mK]O7O7
A$l
public class SiteFileFetch extends Thread { MTn}]blH
C-H6l6,
eyos6Qi
SiteInfoBean siteInfoBean = null; //文件信息Bean 72= 4#
long[] nStartPos; //开始位置 %Ybr5 $_
long[] nEndPos; //结束位置 ceae~
FileSplitterFetch[] fileSplitterFetch; //子线程对象 n]3Z~HoZ
long nFileLength; //文件长度 <m%ZDOMa
boolean bFirst = true; //是否第一次取文件 K"Gea`I
boolean bStop = false; //停止标志 a#&\65D
File tmpFile; //文件下载的临时信息 $v=(`=
DataOutputStream output; //输出到文件的输出流 }s.\B
Cjj(v7[E
//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) A%~t[ H
public SiteFileFetch(SiteInfoBean bean) throws IOException "P$')uwE
{
va!fJ
siteInfoBean = bean; fH%C&xj'&
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); ,W>-MPJn[8
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); G~/*!?&z
if(tmpFile.exists ()) 1{G@'#(
{ k.\4<}
bFirst = false; 4Td)1~zc3
read_nPos(); )#,a'~w
} ,t39~w
else Sb`SJ):x
{ fdgjTX
nStartPos = new long[bean.getNSplitter()]; BipD8`a
nEndPos = new long[bean.getNSplitter()]; X&A2:A 6\+
} F`.W 9H3
BfQ#5
0,6!6>BOT
wIF)(t-):
} >bg{
hfs QAa
bUc++M
public void run() hPt=j{aJ%<
{ ^CB@4$!
//获得文件长度 PrF('PH7i
//分割文件 3lgD,_&
//实例FileSplitterFetch #_zj5B38E
//启动FileSplitterFetch线程 jIWX6
//等待子线程返回 T;3B_lu]
try{ 0&c<1;
if(bFirst) Rd|^C$6
{ J$&2GAi
nFileLength = getFileSize(); rWJKK
if(nFileLength == -1) 3vEwui-5
{ +xNq8yS
System.err.println("File Length is not known!"); I<S*"[nV
} u89Q2\z~"M
else if(nFileLength == -2) QG09=GQ
{ T )bMHk
System.err.println("File is not access!"); ~jJe|zg>
} TIn o"tc3
else gKRlXVS
{ !iUT Re
for(int i=0;i<nStartPos.length;i++) TtgsM}Fm
{ W&2r{kCsQ
nStartPos = (long)(i*(nFileLength/nStartPos.length)); MgHO WoF
} o>I,$=
for(int i=0;i<nEndPos.length-1;i++) \$,8aRT>#U
{ ,?!MVN-
nEndPos = nStartPos[i+1]; i$H9~tPs
} 'acCnn'
nEndPos[nEndPos.length-1] = nFileLength; TZarI-A
} +
,rl\|J%
} 'fY29Xr^
H
WFnIUv
jr^btVOI#\
//启动子线程 ty8E;['
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; K%;=i2:
for(int i=0;i<nStartPos.length;i++) AdRK )L
{ `Nv7c{M^
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), KnUVR!H|
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), !ZayN
nStartPos,nEndPos,i); "f-HOd\=
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); HcHwvf6y
fileSplitterFetch.start(); vP,$S^7$
} H2CpZK'
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), gVs@T'
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); Q=^TKsu
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", O66b^*=N}x
nEndPos = " + nFileLength); n^/)T3mz{
// fileSplitterFetch[nPos.length-1].start(); %5j*e
2QKt.a
:%IB34e
//等待子线程结束 ^-(DokdBn
//int count = 0; }zrapL"9X
//是否结束while循环 `|4k>5k
boolean breakWhile = false; a!,X@5
n{"a0O
U Fyk%#L
while(!bStop) Oki{)Ssy
{ "fu@2y4^
write_nPos(); Gl9,!"A
Utility.sleep(500); I~,b ZA
breakWhile = true; &PFK0tY
)&ucX
E*QLw*H
for(int i=0;i<nStartPos.length;i++) !'a
<Dw5
{ @R ;&P