/* r`lgK2r\
**SiteFileFetch.java A!NT 2YdHZ
*/ ~j UK-E
package NetFox; ?p`}6s Q}
import java.io.*; E3`KO'v%
import java.net.*; ~_K
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public class SiteFileFetch extends Thread { P0W%30Dh
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SiteInfoBean siteInfoBean = null; //文件信息Bean
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long[] nStartPos; //开始位置 uH`ds+Hp
long[] nEndPos; //结束位置 aPWFb.JO4
FileSplitterFetch[] fileSplitterFetch; //子线程对象 [QeKT8
long nFileLength; //文件长度 "5{\0CfS
boolean bFirst = true; //是否第一次取文件 4((Z8@iX/
boolean bStop = false; //停止标志 9~N7hLT
File tmpFile; //文件下载的临时信息 BWd?a6nU}
DataOutputStream output; //输出到文件的输出流 -cG?lEh<
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) ]SK (cfA`
public SiteFileFetch(SiteInfoBean bean) throws IOException DK:d'zb
{ p/@z4TCNX
siteInfoBean = bean; { `-EX
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); IUzRE?Kzf
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); Y~Zg^x2
if(tmpFile.exists ()) w+}KX><r
{
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bFirst = false; F|V?Z
read_nPos(); 9)wjVk
} kQ|}"Tw7
else |s|RJA1
{ X~lOFH;}q
nStartPos = new long[bean.getNSplitter()]; sW[42A
nEndPos = new long[bean.getNSplitter()]; i3YAK$w;&
} b%AYYk)d?
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public void run() 9;.dNdg>
{ x<imMJ
//获得文件长度 d+=;sJ
//分割文件 y![h
//实例FileSplitterFetch NmK%k jCx
//启动FileSplitterFetch线程 28zt.9
//等待子线程返回 d
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try{ 5C/u`{4]Hg
if(bFirst) F
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{ |Y:T3hra61
nFileLength = getFileSize(); InRn!~_N
if(nFileLength == -1) yl|+D]
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System.err.println("File Length is not known!"); )-[X^l
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} Y ||!V
else if(nFileLength == -2) u{8Wu;
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System.err.println("File is not access!"); r/8,4:rh
} t'~:me!
else Z3 &8(vw
{ YAsvw\iseK
for(int i=0;i<nStartPos.length;i++) )\p@E3Uxf
{
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); _)lK.5
} ,v(G2`Z
for(int i=0;i<nEndPos.length-1;i++) owQLAV
{ 2Ask]
nEndPos = nStartPos[i+1]; -0lpsF
} O=ci"2!\-
nEndPos[nEndPos.length-1] = nFileLength; ](^VEm}w;
} NeUpl./b
} %$Mvq&ZZ
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//启动子线程 L[rJ7:
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 2uV=kq nO
for(int i=0;i<nStartPos.length;i++) :y0'[LV
{ iQ~cG[6
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), DtyT8kr
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), h1J-AfV
nStartPos,nEndPos,i); .3oFSc`q
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); LTG/gif[u
fileSplitterFetch.start(); H~&9xtuHN
} h|_G2p^J+"
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), M`AbH19
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); 4{*K%pv\
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", ;z!~-ByzL
nEndPos = " + nFileLength); 2x'JR yef
// fileSplitterFetch[nPos.length-1].start(); to+jQ9q8
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//等待子线程结束 ^h=;]vxO
//int count = 0; 65qH
//是否结束while循环 Kq{9:G
boolean breakWhile = false; 4TUe*F@
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while(!bStop) {U7j
{ }4\>q$8'
write_nPos(); X=_N7!
Utility.sleep(500); ;\(wJ{u?Y
breakWhile = true; \Ui8Sgeei
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for(int i=0;i<nStartPos.length;i++) g7#_a6
{
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if(!fileSplitterFetch.bDownOver) dLG5yx\js
{ %]RzC`NZ
breakWhile = false; F71.%p7C8"
break; O zY&^:>
} ytr~} M%
} <