/* oHB51< }
**SiteFileFetch.java YN9ug3O+
*/ CT3wd?)z`
package NetFox; .RH}/D
import java.io.*; x "]%q^x
import java.net.*; 6cVaO@/(
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public class SiteFileFetch extends Thread { GKH7Xx(
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SiteInfoBean siteInfoBean = null; //文件信息Bean ny'~pT'00
long[] nStartPos; //开始位置 .@JXV
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long[] nEndPos; //结束位置 _
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FileSplitterFetch[] fileSplitterFetch; //子线程对象 jL^zS XQB
long nFileLength; //文件长度 G9:[W"P
boolean bFirst = true; //是否第一次取文件 prb;q~
boolean bStop = false; //停止标志 20d[\P(.
File tmpFile; //文件下载的临时信息 f8+($Ys
DataOutputStream output; //输出到文件的输出流 L{N9h1]
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) + B%fp*
public SiteFileFetch(SiteInfoBean bean) throws IOException nYY@+%`]z
{ \gki!!HQ
siteInfoBean = bean; Nj*J~&6G
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); U:~O^
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); !FZb3U@
if(tmpFile.exists ())
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bFirst = false; $dFEC}1t
read_nPos(); ?%i|].<-'
} Cd#[b)d ?^
else FGG Fi(
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nStartPos = new long[bean.getNSplitter()]; *J=`"^BO
nEndPos = new long[bean.getNSplitter()]; <<6i6b
} 5'?K(Jdmp
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public void run() H5S>|"`e`e
{ AVGb;)x#
//获得文件长度 {1'XS,2
//分割文件 }=?kf3k
//实例FileSplitterFetch K:c5Yq^
//启动FileSplitterFetch线程 lV]hjt-L
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//等待子线程返回 \'&:6\-fw
try{ R#`hT
if(bFirst) q%bNT
{ ;iy]mPd
nFileLength = getFileSize(); 73A1+2
if(nFileLength == -1) /P<RYA~
{ %L=roqz
System.err.println("File Length is not known!"); D\
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} A?ma5h
else if(nFileLength == -2) u^s{r`/
{ U2$e?1y
System.err.println("File is not access!"); v2gK(&?
} 3P\#moJ
else p
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{ `][~0\Y3m
for(int i=0;i<nStartPos.length;i++) 6vQAeuz<Fq
{ cT`x,2
nStartPos = (long)(i*(nFileLength/nStartPos.length)); (zwxrOS
} O`g44LW2n
for(int i=0;i<nEndPos.length-1;i++) i{I'+%~R
{ Xnt`7L<L
nEndPos = nStartPos[i+1]; BLgmFE2
} f7)}A/$4+
nEndPos[nEndPos.length-1] = nFileLength; &"BmCDOq
} ?=dyU(
} v:PNt#Ta
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