/* _J,*0~O$
**SiteFileFetch.java T
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*/ f3<2531/}
package NetFox; dx.Jv/Mb
import java.io.*; %mOQIXr1s
import java.net.*; aED73:b
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public class SiteFileFetch extends Thread { EV;"]lC9
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SiteInfoBean siteInfoBean = null; //文件信息Bean 4UN|`'c
long[] nStartPos; //开始位置 M1*x47bN
long[] nEndPos; //结束位置 P|a|4Bb+fW
FileSplitterFetch[] fileSplitterFetch; //子线程对象 d-I=xpB
long nFileLength; //文件长度 ifmX<'(9A
boolean bFirst = true; //是否第一次取文件 *#GX~3A
boolean bStop = false; //停止标志 q{!ft9|K\d
File tmpFile; //文件下载的临时信息 8boiJku`
DataOutputStream output; //输出到文件的输出流 >B.KI}dE
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) sjHcq5#U!
public SiteFileFetch(SiteInfoBean bean) throws IOException Q0L1!}w
{ R,-DP/ (im
siteInfoBean = bean; I1p{(fJ
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); raM{!T:
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); UUvR>5@n
if(tmpFile.exists ()) oF s)UR
{ xzf/W+.>.
bFirst = false; ~e5E%bXxC
read_nPos(); e_FoNT
} 41+@!`z7
else Yv[<c!\
{ pQ8f$I#v
nStartPos = new long[bean.getNSplitter()]; =
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nEndPos = new long[bean.getNSplitter()]; .la_u8A]
} w(Q{;RNM;
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} ]oKHS$W9
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public void run() iS`ok
{ 6s$h _$[X
//获得文件长度 Y*S(uqM
//分割文件 :S+Bu*OyH
//实例FileSplitterFetch 0.B'Bvn=s2
//启动FileSplitterFetch线程 1W7ClT_cQ
//等待子线程返回 "_\77cqpTh
try{ 9CZEP0i7
if(bFirst) i~m;Ah,#
{ &B$%|~Y5
nFileLength = getFileSize(); d 0:;IUG
if(nFileLength == -1) 0aYoc-( A
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System.err.println("File Length is not known!"); WKq{g+a
} ^KQZ;[B
else if(nFileLength == -2) :=K+~?
{ (?P\;yDG
System.err.println("File is not access!"); z/pxZB~"
} 0 R>!jw
else jori,"s
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for(int i=0;i<nStartPos.length;i++) fhro"5/4
{ O/oLQoH
nStartPos = (long)(i*(nFileLength/nStartPos.length)); 161IWos
} QL-E4]
for(int i=0;i<nEndPos.length-1;i++) [`1@`5SL-
{ ^,Ft7 JAn
nEndPos = nStartPos[i+1]; :7s2M
} B06W(y,3Q>
nEndPos[nEndPos.length-1] = nFileLength; cfHtUv
} VzWH9%w
} '.7ER
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//启动子线程 1gX$U00:
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; k%;oc$0G-3
for(int i=0;i<nStartPos.length;i++) ]'0}fuV
{ <Q_E3lQy/
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 48.4GwL7
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 1CS\1[E
nStartPos,nEndPos,i); i8=+<d
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); I@(3~ Ab
fileSplitterFetch.start(); *~zB {
} $/Llzpvny
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), w[u>*I
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); 0
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// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", \ns}
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nEndPos = " + nFileLength); _*wlK;`
// fileSplitterFetch[nPos.length-1].start(); :\%ZTBLL
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//等待子线程结束 xQNGlVipZ@
//int count = 0; p,3}A(>
//是否结束while循环 352RJC
boolean breakWhile = false; Dp?lgw
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while(!bStop) ah#jvp
{ :bqUA(k
write_nPos(); "XU)(<p
Utility.sleep(500);
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breakWhile = true; c7]0>nU;
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for(int i=0;i<nStartPos.length;i++) }eSrJgF4M
{ jEL"Q?#
if(!fileSplitterFetch.bDownOver) ((6?b5[
{ {v2[x W
breakWhile = false; E U'P
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break; `KieN/d%
} m ~gc c
} ?BU?c:"f
if(breakWhile) oKPG0iM:
break; 8k^1:gt^
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