/* d|NW&PG
**SiteFileFetch.java N
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package NetFox; 1}=D
import java.io.*; apa&'%7
import java.net.*; :Pdh##k
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public class SiteFileFetch extends Thread { Zwc&4:5%
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SiteInfoBean siteInfoBean = null; //文件信息Bean Bzwll
long[] nStartPos; //开始位置 /C!~v!;e
long[] nEndPos; //结束位置 9S]pC?N]E
FileSplitterFetch[] fileSplitterFetch; //子线程对象 U U_0@V<
long nFileLength; //文件长度 /=6_2t#vA
boolean bFirst = true; //是否第一次取文件 U%:%. Bys
boolean bStop = false; //停止标志 [l5jPL}6
File tmpFile; //文件下载的临时信息 ~q566k!Ll!
DataOutputStream output; //输出到文件的输出流 9/0H,qZc
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) @9 S ::
public SiteFileFetch(SiteInfoBean bean) throws IOException *J[P#y
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siteInfoBean = bean; C<^i`[&P$
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); Sr6'$8#>Y
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); fL2P6N@
if(tmpFile.exists ()) !ZUUn*e{5
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bFirst = false; )m7%cyfC
read_nPos(); x!GDS>
} g3kbsi7_:
else Gpxp8[ {
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nStartPos = new long[bean.getNSplitter()]; lot`6]
nEndPos = new long[bean.getNSplitter()]; @
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public void run() F(`|-E"E;
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//获得文件长度 b_ZvI\H
//分割文件 a.%ps:
//实例FileSplitterFetch
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//启动FileSplitterFetch线程 s 7 nl
//等待子线程返回 G]aey>)
try{ ~Re4zU
if(bFirst) Fc`IRPW<
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nFileLength = getFileSize(); A` _dj}UF
if(nFileLength == -1) 6t; ;Fz
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System.err.println("File Length is not known!"); $5 G(_
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else if(nFileLength == -2) O/#3QK
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System.err.println("File is not access!"); 3#,6(k4>
} dM^EYW
else Cty{
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for(int i=0;i<nStartPos.length;i++) )KFxtM-
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); V6dq8Z"h
} Fj<*!J$,
for(int i=0;i<nEndPos.length-1;i++) HQ"T>xb
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nEndPos = nStartPos[i+1]; QTa\&v[f
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nEndPos[nEndPos.length-1] = nFileLength; ldTXW(^j
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} O)&W0`VY
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//启动子线程 F,S)P`?
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; u=nd7:bv
for(int i=0;i<nStartPos.length;i++) K.QSt
{ zl8M<z1`1
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Ti)Me-g
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 5?H8?~&dz
nStartPos,nEndPos,i); z#&1>
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); 9cB+x`+Lu
fileSplitterFetch.start(); 9oc_*V0<
} NL:-3W7vf
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), {?lndBP<
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); w3q'n%
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", tUH?N/qn
nEndPos = " + nFileLength); \9`E17i
// fileSplitterFetch[nPos.length-1].start(); _(g0$vRP~
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//等待子线程结束 toGd;2rl
//int count = 0; rtAPkXJFM
//是否结束while循环 O#;sY`fy_M
boolean breakWhile = false; U:8]G
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while(!bStop) %2dzx[s
{ Qqg.z-G%.
write_nPos(); giu{,gS0?M
Utility.sleep(500); #%QHb,lhl
breakWhile = true; %C`P7&8m=O
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for(int i=0;i<nStartPos.length;i++) LTS{[(%
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