/* ioE66-n
**SiteFileFetch.java [W^6u7~
*/ Wl^prs7}c
package NetFox; u=p ;A1oy
import java.io.*; vjexx_fq
import java.net.*; hQgk.$g
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public class SiteFileFetch extends Thread { [;>zqNy
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SiteInfoBean siteInfoBean = null; //文件信息Bean ,!o\),N
long[] nStartPos; //开始位置 viW~'}^k7
long[] nEndPos; //结束位置 ikEWY_1Y
FileSplitterFetch[] fileSplitterFetch; //子线程对象 _&k'j)rg
long nFileLength; //文件长度 1g~Dm}m
boolean bFirst = true; //是否第一次取文件 p9FA_(`^
boolean bStop = false; //停止标志 oso1uAOfp
File tmpFile; //文件下载的临时信息 N0y;PVAGu
DataOutputStream output; //输出到文件的输出流 J~_L4*Jw
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) kPx]u\
public SiteFileFetch(SiteInfoBean bean) throws IOException EIq{C-(
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siteInfoBean = bean; Bi9
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//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); |'V<>v.v
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 2ru*#Z#(
if(tmpFile.exists ()) ql#{=oGDnA
{ ]Ks]B2Osz
bFirst = false; TTA{#[=7
read_nPos(); EmtDrx4!(f
} "4Vi=* 2V
else Bo](n*i
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nStartPos = new long[bean.getNSplitter()]; &y#\1K
nEndPos = new long[bean.getNSplitter()]; D-TNFYYy2
} )1ZJ
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public void run() ZXssvjWQV}
{ ])Q9=?Sd}
//获得文件长度 dUsJv
//分割文件 N27K
//实例FileSplitterFetch 2-"Lxe65f
//启动FileSplitterFetch线程 7.lK$J:
//等待子线程返回 |? ;"B:0
try{ c"f-$^<
if(bFirst) K%[}[.cW
{ K^]?@oHO
nFileLength = getFileSize(); uJ|5Ve
if(nFileLength == -1) 75hFyh;u
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System.err.println("File Length is not known!"); xoz*UA.
} X*0eN3o.
else if(nFileLength == -2) *'s2
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{ @,yFY
System.err.println("File is not access!"); Gg}LC+Y
} +s+PnZ%0V
else JhMrm%
{ ;i-D~Np|
for(int i=0;i<nStartPos.length;i++) X_0{*!v8
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); Gpxb_}P
} ~u?x{[
for(int i=0;i<nEndPos.length-1;i++) }Yo15BN+
{ hIzPy3
nEndPos = nStartPos[i+1]; $dVgFot
} >PTu*6Z
nEndPos[nEndPos.length-1] = nFileLength; iP#A-du
} -Iruua7b
} xyz\;3
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//启动子线程 $:-= >
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 0-t4+T
for(int i=0;i<nStartPos.length;i++) m|#(gX|F
{ QX.F1T2e?
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), WrK^>
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), yN WbI0a
nStartPos,nEndPos,i); 0o"<^]
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Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); R^u^y{ohr
fileSplitterFetch.start(); 93Ci$#<y
} @|\s$L
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 6Ymo%OT
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); (W}i287
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", m|Q&Lphb8
nEndPos = " + nFileLength); *{;A\sL
// fileSplitterFetch[nPos.length-1].start(); 2)I'5?I
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//等待子线程结束 0R%uVJG
//int count = 0; Z#cU#)`y1
//是否结束while循环 8w@W8(3B
boolean breakWhile = false; yS.fe[
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while(!bStop) .+JPtL
{ KJvJUq
write_nPos(); k~9Ywf
Utility.sleep(500); PEQvEruZ}
breakWhile = true; 7i|hlk;
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