/* )a`kL,
**SiteFileFetch.java 6BEDk!
*/ MIWc
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package NetFox; k5+ Fxf
import java.io.*; t'.:"H8BI
import java.net.*; }9;mtMR$
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public class SiteFileFetch extends Thread { :QXKG8^
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SiteInfoBean siteInfoBean = null; //文件信息Bean W%o! m,zFM
long[] nStartPos; //开始位置 A0v@L6m-O
long[] nEndPos; //结束位置 ];N/KHeZ
FileSplitterFetch[] fileSplitterFetch; //子线程对象 PpF`0w=1%l
long nFileLength; //文件长度 |)*!&\Ch
boolean bFirst = true; //是否第一次取文件 hFhC&2HN
boolean bStop = false; //停止标志 [kqO6U
File tmpFile; //文件下载的临时信息 <i`s)L
DataOutputStream output; //输出到文件的输出流 X;#Ni}af
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) ~d ~oC$=TC
public SiteFileFetch(SiteInfoBean bean) throws IOException B7oUS}M
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siteInfoBean = bean; kqq1;Kd
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); s;]"LD@
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); gi)C5J4
if(tmpFile.exists ()) :7(d6gEL
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bFirst = false; w"O;: `|n
read_nPos(); |tTcJ\bG
} &4l!2
else [MKt\(
{ 3Ljj|5.q
nStartPos = new long[bean.getNSplitter()]; Lc "{ePFh
nEndPos = new long[bean.getNSplitter()]; wgq=9\+&
} ejbtdU8N<
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public void run() |W&K@g$
{ EZhk(LE
//获得文件长度 mGoC8t}iP
//分割文件 mD*!<<Sw
//实例FileSplitterFetch P4c}@Mq3
//启动FileSplitterFetch线程 !FB2\hiM
//等待子线程返回 1 CV?
try{ 9[`\ZGWD
if(bFirst) f2v~: u
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nFileLength = getFileSize(); v3kT~uv
if(nFileLength == -1) m2ph8KC
{ O(_f&a
System.err.println("File Length is not known!"); fWF!% |L
} s!Iinc^p
else if(nFileLength == -2) (/t{z=
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System.err.println("File is not access!"); h96<9L
} r]wy-GT
else y
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for(int i=0;i<nStartPos.length;i++) >N}+O<Fc
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); s9fEx-!y
} C/ ]Bx
for(int i=0;i<nEndPos.length-1;i++) ;$qc@)Uwp
{ AU9:Gu@M/
nEndPos = nStartPos[i+1]; '[HU!8F
} H$
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nEndPos[nEndPos.length-1] = nFileLength; (dV7N
} * )HVK&