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**SiteFileFetch.java h)M9Oup`
*/ UJ0Dy` f
package NetFox; Qbc62 qFu!
import java.io.*; L-ZJ[#D
import java.net.*; EmDA\9~@R
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public class SiteFileFetch extends Thread { D4"](RXH
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SiteInfoBean siteInfoBean = null; //文件信息Bean W
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long[] nStartPos; //开始位置 LRhq%7p7
long[] nEndPos; //结束位置 ]Mh7;&<6[
FileSplitterFetch[] fileSplitterFetch; //子线程对象 GQ-owH]
long nFileLength; //文件长度 #0-!P+c[
boolean bFirst = true; //是否第一次取文件 JuGQS24
boolean bStop = false; //停止标志 }G8RJxy
File tmpFile; //文件下载的临时信息 c-INVA)
DataOutputStream output; //输出到文件的输出流 t;DZ^Z"{
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) Q7y6</4f
public SiteFileFetch(SiteInfoBean bean) throws IOException -S=Zsr\
{ 1%L* 9>e
siteInfoBean = bean; 6,Q{/
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); %Km_Sy[7']
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); lPS A
if(tmpFile.exists ()) t9&z|?Vz
{ E(T6s^8
bFirst = false; Sa&~\!0t
read_nPos();
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} ?l_>rSly5
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{ b'$j* N
nStartPos = new long[bean.getNSplitter()]; ;8~`fK
nEndPos = new long[bean.getNSplitter()]; XR^VRn6O
} A
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public void run() 5eC5oX>
{ q{UP_6OF
//获得文件长度 y(:hN)
//分割文件 sBIqee'T
//实例FileSplitterFetch z[Kxy1,
//启动FileSplitterFetch线程 +w/Ax[K
//等待子线程返回 Ep}KIBBO
try{ |}*k|
if(bFirst) %E7+W{?*1
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nFileLength = getFileSize(); ->}K- n ),
if(nFileLength == -1) qEE3x>&T]
{ Z*kGWL
System.err.println("File Length is not known!"); i:WHql"Kw_
} V/+r"le
else if(nFileLength == -2) ~?vm97l
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System.err.println("File is not access!"); qy@gW@IU
} |xH"Xvp:
else J`O4]XRY
{ M[_~7~4
for(int i=0;i<nStartPos.length;i++) xIF
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); GI$t8{M
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for(int i=0;i<nEndPos.length-1;i++) ) BTJs)E
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nEndPos = nStartPos[i+1]; $B4}('&4FQ
} `QR2!W70o3
nEndPos[nEndPos.length-1] = nFileLength; iQ-;0<