/* L7R!,
**SiteFileFetch.java f3S 8~!
*/ 7M8 cF>o
package NetFox; cg_ " }]Y1
import java.io.*; H3 -?cy
import java.net.*; e=3C*+lq\
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public class SiteFileFetch extends Thread { A1r%cs
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SiteInfoBean siteInfoBean = null; //文件信息Bean LH.Gf
long[] nStartPos; //开始位置 a,(nf1@5
long[] nEndPos; //结束位置
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FileSplitterFetch[] fileSplitterFetch; //子线程对象 6lT< l zT
long nFileLength; //文件长度 6TTu[*0NT
boolean bFirst = true; //是否第一次取文件 aRElk&M
boolean bStop = false; //停止标志 8!YQ9T [
File tmpFile; //文件下载的临时信息 %!eRR
DataOutputStream output; //输出到文件的输出流 G|RBwl
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) #RbdQH !
public SiteFileFetch(SiteInfoBean bean) throws IOException mG$N%`aG
{ {]dG 9
siteInfoBean = bean; ]_|'N7J
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); pU'${Z~b
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); M?DZShkV_
if(tmpFile.exists ()) EV-sEl8ki
{ /nsBUM[;
bFirst = false; HDTA`h?t;
read_nPos(); hnH<m7
} q%QvBN
else J5n6K$.d
{ Hzj8o3
nStartPos = new long[bean.getNSplitter()]; mln4Vl(l2M
nEndPos = new long[bean.getNSplitter()]; bRrSd:e
} `JY+3d,Ui
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} &-{%G=5~e%
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public void run() 'n>44_7 L
{ %hN(79:g
//获得文件长度 FPkk\[EU
//分割文件 *C0a,G4
//实例FileSplitterFetch lJN#_V0qW
//启动FileSplitterFetch线程 dNY'uv&Y
//等待子线程返回 ~JNE]mg
try{ MgJ5FRQ
if(bFirst) _KKux3a
{ F(zCvT
nFileLength = getFileSize(); ju3@F8AI
if(nFileLength == -1) o5 ~VT!'[
{ Ph%ylS/T{
System.err.println("File Length is not known!"); lZ)6d-vK
} j`q>YPp
else if(nFileLength == -2) DU8\1(
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System.err.println("File is not access!"); \!30t1EZ
} $]Ix(7@W
else tu"-]^
{ 1*G&ZI
for(int i=0;i<nStartPos.length;i++) (9ZW^flY
{ jnbR}a=fJ
nStartPos = (long)(i*(nFileLength/nStartPos.length)); B~k{f}
} '3U,UD5EG
for(int i=0;i<nEndPos.length-1;i++) _
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{ H! 5Ka#B
nEndPos = nStartPos[i+1]; 8+dsTX`|S
} R+0gn/a[ G
nEndPos[nEndPos.length-1] = nFileLength; P^=B6>e
} 0^Vw^]w
} $[ S 33Q
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//启动子线程 7P}l^WX
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; Jk`Jv;
for(int i=0;i<nStartPos.length;i++) kjp~:Bg_(
{ 5de1r B|
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), WRkuPj2
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), A^+k A)8
nStartPos,nEndPos,i); -T1R}ew*t
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); F.x7/;
fileSplitterFetch.start(); =WI3#<vDG
} }Hg\
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// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), R!7--]Wcg
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); <dE~z] P
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", S
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nEndPos = " + nFileLength); -6uLww=w4
// fileSplitterFetch[nPos.length-1].start(); 9<y{:{i
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//等待子线程结束 @HB=hN
//int count = 0; -c1-vGW/
//是否结束while循环 Yc-5Mr8*,
boolean breakWhile = false; E&z^E2
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while(!bStop) 2-qWR<E
{ 42hG}Gt
write_nPos(); f%t
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Utility.sleep(500); c)N_"#&
breakWhile = true; ".Q]FE@>
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for(int i=0;i<nStartPos.length;i++) uEr.LCAS
{ R\n@q_!`X
if(!fileSplitterFetch.bDownOver) PBW_9&