/* YL&$cT]1
**SiteFileFetch.java AqvRzi(Y
*/ BD,JBu]
package NetFox; Z;XR%n8
import java.io.*; -B$oq8)n*
import java.net.*; 'g#Ml`cm
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public class SiteFileFetch extends Thread { 6}IOUWLB@
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SiteInfoBean siteInfoBean = null; //文件信息Bean j DcE_55o
long[] nStartPos; //开始位置 JGf6*D"O
long[] nEndPos; //结束位置 7*OO k"9
FileSplitterFetch[] fileSplitterFetch; //子线程对象 OnF+
long nFileLength; //文件长度 @.T'
boolean bFirst = true; //是否第一次取文件 J$&!Y[0
boolean bStop = false; //停止标志 ]1%H.pF
File tmpFile; //文件下载的临时信息 Ka2U@fK"
DataOutputStream output; //输出到文件的输出流 `8\pihww
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) p{!aRB%
public SiteFileFetch(SiteInfoBean bean) throws IOException NaG1j+LN
{ ZP*Hx
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siteInfoBean = bean; v*QobI
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); z]Z>+|
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 5wRDH1z@{
if(tmpFile.exists ()) l},*^Sn<5
{ Q <^'v>~n
bFirst = false; b.h~QyI/W
read_nPos();
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} O?D*<rwD
else ,Zzh. z::D
{ X6!u(plVQ
nStartPos = new long[bean.getNSplitter()]; *FR
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nEndPos = new long[bean.getNSplitter()]; }k
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} nWbe=z&y8[
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public void run() +uKlg#wqc
{ :74^?
//获得文件长度 `f*?|)
//分割文件 2y#4rl1Utx
//实例FileSplitterFetch C#p$YQf
//启动FileSplitterFetch线程 9Q^>.^~^
//等待子线程返回 Ne@Iv)g?
try{ v/8K?$"q
if(bFirst) tn6\0_5n
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nFileLength = getFileSize(); 0^]E-Zf
if(nFileLength == -1)
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{ 7&:gvhw
System.err.println("File Length is not known!"); JE9|;A
} vC$[Zm
else if(nFileLength == -2) QZ"Lh
{ s8{3~ Hv
System.err.println("File is not access!"); -#Yg B5
} 9O?.0L
else /^DDU!=(<
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for(int i=0;i<nStartPos.length;i++) M=x/PrY"R
{ pJVzT,poh
nStartPos = (long)(i*(nFileLength/nStartPos.length)); :"3WCB
} Bg"b,&/^u
for(int i=0;i<nEndPos.length-1;i++) @YU}0&