/* #F+b^WTR
**SiteFileFetch.java 7] 17?s]t,
*/ WQHlf0]
package NetFox; m_UzmWF
import java.io.*; &-|(q!jm
import java.net.*; Gdlx0i
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public class SiteFileFetch extends Thread { 1@`mpm#Y
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SiteInfoBean siteInfoBean = null; //文件信息Bean <:~'s]`zf
long[] nStartPos; //开始位置 7[(<t+
long[] nEndPos; //结束位置 HE3x0H}o>
FileSplitterFetch[] fileSplitterFetch; //子线程对象 #:nds,
long nFileLength; //文件长度 w5mSoKb
boolean bFirst = true; //是否第一次取文件 ( z.\,M
boolean bStop = false; //停止标志 Yd<q4VJR
File tmpFile; //文件下载的临时信息 SY+$8^
DataOutputStream output; //输出到文件的输出流 xx,|n
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) Z'y:r2{ql
public SiteFileFetch(SiteInfoBean bean) throws IOException s=)1:jYk
{ g]}E1H6-
siteInfoBean = bean; Fpntd IU
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); X6o
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); :4S~}}N
if(tmpFile.exists ()) 5~xv"S(E}
{ 4+au6ABy
bFirst = false;
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read_nPos(); Evq^c5n>{
} S{)'1J_0
else q6V\n:hKV
{ q]z%<`.9*
nStartPos = new long[bean.getNSplitter()];
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nEndPos = new long[bean.getNSplitter()]; *AI?md
} s#V:!
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public void run() mV'^4by
{ I$1~;!<
//获得文件长度 #jX%nqMxW
//分割文件 LF_am*F
//实例FileSplitterFetch N`!=z++G
//启动FileSplitterFetch线程 Rs1JCP=d8
//等待子线程返回 "\x\P)j0>
try{ #Pq.^ ^
if(bFirst) Z$ Mc{
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nFileLength = getFileSize(); 9rQw~B<S
if(nFileLength == -1) RyN?Sn5)
{ ;NrU|g/ksX
System.err.println("File Length is not known!"); l|~SVk|
} x-ZCaa}O
else if(nFileLength == -2) c!>",rce
{ k[;(@e@c
System.err.println("File is not access!"); HXRK<6k$
} MNsgD3
else >tVD[wVF0
{ -nC!kpo
for(int i=0;i<nStartPos.length;i++) -$5nqaK?
{ ? Glkhf7(
nStartPos = (long)(i*(nFileLength/nStartPos.length)); Lw #vHNf6
} aG/L'weR
for(int i=0;i<nEndPos.length-1;i++) aT%6d@g
{ bY7~b/
nEndPos = nStartPos[i+1]; ^1w*$5YI
} @P}!mdH1
nEndPos[nEndPos.length-1] = nFileLength; s4Y7x.-
} BJ7m3[lz
} 'Lv>!s 7
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//启动子线程 p+d?k"WN?
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; k6W
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for(int i=0;i<nStartPos.length;i++) ys$X!Ep
{ <bxp/#6D
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), +UC-
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), A]"IQ-
nStartPos,nEndPos,i); 1r;.r|
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); <MoKTP-<
fileSplitterFetch.start(); @mrGG F
} LzJNQd'
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), !)TO2?,^
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ,mW-O!$3W
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", F
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nEndPos = " + nFileLength); 7Yd]#K{$
// fileSplitterFetch[nPos.length-1].start(); f1UGDC<p9
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