/* D{'#er
**SiteFileFetch.java \%,&~4
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*/ 5eX59:vtl
package NetFox; v.W{x?5
import java.io.*; &14W vAU
import java.net.*; v&3O&y/1v
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public class SiteFileFetch extends Thread { S:Tm23pe
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SiteInfoBean siteInfoBean = null; //文件信息Bean #Nte^E4
long[] nStartPos; //开始位置 ?kt=z4h9(
long[] nEndPos; //结束位置 U '[?9/T
FileSplitterFetch[] fileSplitterFetch; //子线程对象 1h"_[`L'
long nFileLength; //文件长度 ,2 WH/"
boolean bFirst = true; //是否第一次取文件 m%QqmTH
boolean bStop = false; //停止标志 |ia@,*KD
File tmpFile; //文件下载的临时信息 r9ke,7?
DataOutputStream output; //输出到文件的输出流 iilyw_$H
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) wVi%oSfM
public SiteFileFetch(SiteInfoBean bean) throws IOException .#^0pv!
{ }sMW3'V
siteInfoBean = bean; Fc0jQ@4=
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); 7tH]*T9e>
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ccO
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if(tmpFile.exists ()) |*Ot/TvG
{ q|q::q*
bFirst = false; "@/ba!L+
read_nPos(); wsg//Ec]
} wL<j:>Ke[3
else )
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{ ;]&-MFv#
nStartPos = new long[bean.getNSplitter()]; j%M @#
nEndPos = new long[bean.getNSplitter()]; B-Y+F
} - s|t^
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public void run() `?SG XXC
{ 6H;kJHn
//获得文件长度 $T*KaX\{B
//分割文件 E:Y:X~vy
//实例FileSplitterFetch y<r44a_!
//启动FileSplitterFetch线程 onzA7Gre
//等待子线程返回 < EXWWrm
try{ ",ad7Y7i
if(bFirst) silp<13HN
{ 5c~'!: 7
nFileLength = getFileSize(); '?R =P
if(nFileLength == -1) nx :)k-p_[
{ I2*oTUSik
System.err.println("File Length is not known!"); ^"`Z1)V
} (^S5Sc=
else if(nFileLength == -2) -q(:%;
{ L;C|ow^c
System.err.println("File is not access!"); _z:Qhe
} zZYHc?Z
else -ddOh<U>
{ s1@@o#r
for(int i=0;i<nStartPos.length;i++) 3ExVZu$
{ Ao!=um5D J
nStartPos = (long)(i*(nFileLength/nStartPos.length)); ^4hc+sh0D
} ork|yj/A
for(int i=0;i<nEndPos.length-1;i++) 1OPfRDn.bk
{ [Ye5Y?
nEndPos = nStartPos[i+1]; ~D!ESe*=
} 8XkIk7
nEndPos[nEndPos.length-1] = nFileLength; F25<+1kr
} sVD([`Nmc
} i -V0Lm/
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//启动子线程 *C/KM;&
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; /T#o<D
for(int i=0;i<nStartPos.length;i++) gDc]^K4>
{ 3It8&x:
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), %f#\i#G<k
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), Jh(mbD
nStartPos,nEndPos,i); mE_iS?1
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); agTK=
fileSplitterFetch.start(); %((cFQ9
} T=yCN#cqQ`
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), #?5VsD8
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); @YrGyq
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", '7=<#Blc
nEndPos = " + nFileLength); U:Fpj~E_w
// fileSplitterFetch[nPos.length-1].start(); c8tP+O9
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//等待子线程结束 SJF 2k[da
//int count = 0; ~:s!].H
//是否结束while循环 ~s0P FS7
boolean breakWhile = false; v5gQ9
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while(!bStop) W-!dMa
{ 6z`8cI+LRw
write_nPos(); ]d~MEa9Y|
Utility.sleep(500); 7Fc |
breakWhile = true; wtUG^hV #_
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for(int i=0;i<nStartPos.length;i++) TR_(_Yd?36
{ R3cG<MjmK
if(!fileSplitterFetch.bDownOver) $$/S8LmmK
{ @>Biyb
breakWhile = false; @]yQJuXA&Z
break; 6vZt43"m?\
} IBF.&[[S
} Q)9369<A
if(breakWhile) [ y$j9
break; =1_j aDp
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