/* #[Vk#BIiv8
**SiteFileFetch.java \+sP<'~M
*/ }4"T#
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package NetFox; )NS&1$
import java.io.*; !Ql&Ls
import java.net.*; n7K\\|X
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public class SiteFileFetch extends Thread { V .VV:`S
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SiteInfoBean siteInfoBean = null; //文件信息Bean Tof H=d
long[] nStartPos; //开始位置 $qj||zA
long[] nEndPos; //结束位置 +46?+kKt
FileSplitterFetch[] fileSplitterFetch; //子线程对象 NKb,>TO
long nFileLength; //文件长度 |\
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boolean bFirst = true; //是否第一次取文件 m;KD@E!
boolean bStop = false; //停止标志 `@|Kx\y4=j
File tmpFile; //文件下载的临时信息 .[4Dvt|>6
DataOutputStream output; //输出到文件的输出流 %QrpFE5V5
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) DnW*q/=w
public SiteFileFetch(SiteInfoBean bean) throws IOException Qape DU;
{ S?Z"){
siteInfoBean = bean; ?_7^MP>
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); C!}9[X!7@:
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 9N]V F'
if(tmpFile.exists ()) kI>PaZ`i)
{ ZJ|'$=lR
bFirst = false; " tUF,G(<
read_nPos(); YX:[],FP
} (Cjw^P|Y@
else s4{WPU9
{ b^]@8I[M
nStartPos = new long[bean.getNSplitter()]; j:6VWdgq
nEndPos = new long[bean.getNSplitter()]; Qcf5*]V
} J 4OgV?
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} B`SHr"k!V[
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public void run() xK3}zN$T
{ V,CVMbn/%N
//获得文件长度 9>k-";
//分割文件 b)Px
//实例FileSplitterFetch >?Ps5n]b
//启动FileSplitterFetch线程 !3'&_vmG$
//等待子线程返回 )2jBhT
try{ EFb"{L
if(bFirst) _7LZ\V+MLW
{ [10;Mg
nFileLength = getFileSize(); 5E!G
if(nFileLength == -1) =whYo?cE(
{ x#{.mN
System.err.println("File Length is not known!"); CAl]Kpc
} %IbG@}54
else if(nFileLength == -2) B:Xmc,|,
{ u`2[V4=L
System.err.println("File is not access!"); $h( B2
} :"oQ _bLT
else KLn.vA.
{ xiW;Y{kZ
for(int i=0;i<nStartPos.length;i++) aA-gl9
{ Cg!]x
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); ZCbnDj
} ,y57tY
for(int i=0;i<nEndPos.length-1;i++) =7U_ jDME
{ D!oELZ3
nEndPos = nStartPos[i+1]; kr|u ||
} Uxyj\p
nEndPos[nEndPos.length-1] = nFileLength; f2y:K6$'l*
} "/zIsn7
} PnKgUJoa0
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//启动子线程 m%bw$hr
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; R}-<ZJe
for(int i=0;i<nStartPos.length;i++) XOe8(cXa9
{ 2/c^3[ccR
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), C&QT-|
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 1eZ759PoO
nStartPos,nEndPos,i); u,R;=DNl
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); n^Uu6
fileSplitterFetch.start(); h8Bs=T
} ;L gxL
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// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), !Deg!f\g
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); |aT&rpt
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", VNmQ'EuV}2
nEndPos = " + nFileLength); &ZRriqsQg
// fileSplitterFetch[nPos.length-1].start(); ,y+}0q-Ou
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//等待子线程结束 K6=i\
//int count = 0; Vu/{Hr
//是否结束while循环 8~=<!(M)m/
boolean breakWhile = false; P)2.Gx/
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while(!bStop) FSs<A@
{ l1&NU'WW
write_nPos(); S<f]Y4A&
Utility.sleep(500); W]]@pbG"H\
breakWhile = true; W?n)IBj8
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for(int i=0;i<nStartPos.length;i++) Gd:TM]rJ
{ 7Z#r9Vr
if(!fileSplitterFetch.bDownOver) xb2xl.2x!
{ fq@r6\TI
breakWhile = false; (^:0g.~c
break; }-ly'4=l
} BP& T|s
} XA &