/* t & 5s.
**SiteFileFetch.java 1.a:iweN
*/ tA
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package NetFox; ip*UujmNyR
import java.io.*; cs]3Rp^g
import java.net.*; ]TsmW ob
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public class SiteFileFetch extends Thread { 4&B|rf
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SiteInfoBean siteInfoBean = null; //文件信息Bean tz%H1`
long[] nStartPos; //开始位置 `Z
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long[] nEndPos; //结束位置 Ja%isIdh
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Q+E)_5_sA
long nFileLength; //文件长度 ~A*$+c(
boolean bFirst = true; //是否第一次取文件 z+nq<%"'
boolean bStop = false; //停止标志 SCq3Kh
File tmpFile; //文件下载的临时信息 ZVCa0Km
DataOutputStream output; //输出到文件的输出流 b.xG'
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) Lo +H&-
public SiteFileFetch(SiteInfoBean bean) throws IOException G-DOI
{ }wGy#!CSza
siteInfoBean = bean; ESkhCDU
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); [iN\R+:
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); #|
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if(tmpFile.exists ()) JvtbGPz
{ wUzMB]w
bFirst = false; 4/&.N]
read_nPos(); 3u=>Y^wu
} 8oP"?ew#
else x\5\KGw16
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nStartPos = new long[bean.getNSplitter()]; TnPx.mwK\
nEndPos = new long[bean.getNSplitter()]; 5^36nEoA(
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public void run() lZD"7om
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//获得文件长度 PtOYlZTe?
//分割文件 2| ERif;)
//实例FileSplitterFetch -p20UP 1I
//启动FileSplitterFetch线程 RG`eNRTQ%
//等待子线程返回 C33=<r[;N<
try{ xx[l#+:c
if(bFirst) bm(.(0MI
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nFileLength = getFileSize(); p+:MZP -%(
if(nFileLength == -1) J-~:W~Qx4N
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System.err.println("File Length is not known!"); S6c>D&Q
} U5H5QW +
else if(nFileLength == -2) qmbhx9V
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System.err.println("File is not access!"); +J:wAmY4
} z;EDyd,O>
else TiSV`V q
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for(int i=0;i<nStartPos.length;i++) "'U]4Z%q!
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); 5Fa/Q>N
} -W)8Z.
for(int i=0;i<nEndPos.length-1;i++) ~@'DYZb-
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nEndPos = nStartPos[i+1]; w#RfD
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nEndPos[nEndPos.length-1] = nFileLength; ]{pH,vk-
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} }j|YX&`p
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//启动子线程 nb U?:=P
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; jGOE
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for(int i=0;i<nStartPos.length;i++) 4Kn)5>
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), wRQMuFGY
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), VJ|80?4h
nStartPos,nEndPos,i); DM*u;t{i
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); a |0f B4G
fileSplitterFetch.start(); \.{ZgL5"
} b@)nB
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), #e$vv!&}
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); *uvE`4V^Jg
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", )F%zT[Auph
nEndPos = " + nFileLength); !+ ??3-q
// fileSplitterFetch[nPos.length-1].start(); vN`JP`IBx
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//等待子线程结束 ?YhGW
//int count = 0; 8\e8$y3
//是否结束while循环 (^LR9 CW
boolean breakWhile = false; RJA#cv~f
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while(!bStop) ?bl9e&/!
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write_nPos(); _Wo(;'.
Utility.sleep(500); j9$kaEf
breakWhile = true; fZrB!\Q
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for(int i=0;i<nStartPos.length;i++) e><