/* q2*1Gn9!j
**SiteFileFetch.java #dQFs]:F
*/ f9vitFkb+
package NetFox; 5-UrHbpCZ#
import java.io.*; ubMN
import java.net.*; g1@rY0O
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public class SiteFileFetch extends Thread { ?0+N
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SiteInfoBean siteInfoBean = null; //文件信息Bean IUz`\BO4
long[] nStartPos; //开始位置 <MoyL1=
long[] nEndPos; //结束位置 /z :1nq
FileSplitterFetch[] fileSplitterFetch; //子线程对象 f6 s .xQ
long nFileLength; //文件长度 @TJ
boolean bFirst = true; //是否第一次取文件 gyxC)br
boolean bStop = false; //停止标志 K$O2
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File tmpFile; //文件下载的临时信息 "bz]5c~
DataOutputStream output; //输出到文件的输出流 t+D= @"BZP
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) P_)=sj!>-
public SiteFileFetch(SiteInfoBean bean) throws IOException l[C_vUg
{ yQf(/Uxk*x
siteInfoBean = bean; &joP-!"
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); ]~!CJ8d
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); O^@F?CG :1
if(tmpFile.exists ()) U5p 3b;
{ Y(gai?
bFirst = false; z<gII~%
read_nPos(); stiYC#b I:
} wj5,_d)
else 1fC)&4W
{ T8d=@8g,%
nStartPos = new long[bean.getNSplitter()]; HVK0NI
nEndPos = new long[bean.getNSplitter()]; a'r1or4
} $-]I?cWlQ
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} 6C\WX(@4
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public void run() Z[>fFg~N4
{ HDaeJk
//获得文件长度 Rtlc&Q.b
//分割文件 mP's4
//实例FileSplitterFetch (G(M"S SC
//启动FileSplitterFetch线程 }pGjc_:']
//等待子线程返回 ^# 4e_&4
try{ )0g!lCfb
if(bFirst) M^Tm{`O!
{ \S&OAe/b
nFileLength = getFileSize(); /U-+ClZi@
if(nFileLength == -1) zKp R:F
{ 7P]i|Q{
System.err.println("File Length is not known!"); T(Bcp^N
} a
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else if(nFileLength == -2) <":83RCS
{ (:\L@j
System.err.println("File is not access!"); q=-h#IF^
} $4qM\3x0,
else ]2YC7
{ J:O&2g"g
for(int i=0;i<nStartPos.length;i++) 1_l)$"
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); ei"c|/pO
} ^bfU>02Q6p
for(int i=0;i<nEndPos.length-1;i++) @(+\*]?^&
{ Zj_2B_|WN#
nEndPos = nStartPos[i+1]; _~*j=XR s
} pred{HEye
nEndPos[nEndPos.length-1] = nFileLength; Y88N*axDW.
} '-Oh$hqCx|
} VJl0UM3{J
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