/* BG|m5f
**SiteFileFetch.java s&hJ[$i
*/ $RH.
package NetFox; GP>\3@>
import java.io.*; xU/7}='T
import java.net.*; kEgpF{"%n
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public class SiteFileFetch extends Thread { .n n&K}h
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SiteInfoBean siteInfoBean = null; //文件信息Bean N5[^W`Qf
long[] nStartPos; //开始位置 HQvJ*U4++
long[] nEndPos; //结束位置 pMHF u/|Pr
FileSplitterFetch[] fileSplitterFetch; //子线程对象 z$gtGrU
long nFileLength; //文件长度 kmUL^vF
boolean bFirst = true; //是否第一次取文件 r<$o [,W
boolean bStop = false; //停止标志 4#CHX^De
File tmpFile; //文件下载的临时信息 "(r%`.l=I
DataOutputStream output; //输出到文件的输出流 ;6eBfMhL
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 0~~yYo&
public SiteFileFetch(SiteInfoBean bean) throws IOException \q($8<
{ {xAd>fGG+y
siteInfoBean = bean; vPz$+&{I
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); y\omJx=,
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); e2e!"kEF
if(tmpFile.exists ()) ;FQNO:NP
{ NbC2N)L4
bFirst = false; KomMzG:
read_nPos(); MaPOmS8?
} fat;5XL@
else @ ]40xKF
{ f8
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nStartPos = new long[bean.getNSplitter()]; E!'6vDVC:
nEndPos = new long[bean.getNSplitter()]; AsD$M*It
} G6QD`ED
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} %x.du9
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public void run() 'W,*mfB
{ IyI0|&r2A
//获得文件长度 q{&\nCy
//分割文件 0-~s0R89A
//实例FileSplitterFetch =A!rZG
//启动FileSplitterFetch线程 )s,LFIy<A
//等待子线程返回 l\F71pwSI
try{ V@g v
if(bFirst) nK32or3
{ /ej[oR
nFileLength = getFileSize(); NVghkd
if(nFileLength == -1) CY*o"@-o5)
{ -)Bvx>8fq-
System.err.println("File Length is not known!"); MVnN0K4
} >23$_'2
else if(nFileLength == -2) *|<T@BXn
{ IU<lF) PF$
System.err.println("File is not access!"); (i L*1f
} 8v z h5,U
else D Qz+t
{ k 3H0$1
for(int i=0;i<nStartPos.length;i++) @I}VD\pF
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); .%y'q!?
} ; >>n#8`
for(int i=0;i<nEndPos.length-1;i++) Th$Z9+()
{ @R}3f6@67
nEndPos = nStartPos[i+1]; 9/!1J
} <#J5.I 1
nEndPos[nEndPos.length-1] = nFileLength; OLPY<ax
} $[}EV(#y
} F~i ~%f,
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//启动子线程 u7^(?"x
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ~+j2a3rv-{
for(int i=0;i<nStartPos.length;i++) P3`$4p?
{ 0PqI^|!
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), V y$*v
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 4e/!BGkAS
nStartPos,nEndPos,i); xL1Li]fM!'
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); S.4+tf7+
fileSplitterFetch.start(); iMt3h8
} rrr_{d/
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), d|oO2yzWv
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ]/kpEx
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", i^e8.zgywF
nEndPos = " + nFileLength); F|{uA/P{
// fileSplitterFetch[nPos.length-1].start(); "!D y[J
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//等待子线程结束 $,2T~1tE
//int count = 0; PcEE`.
//是否结束while循环 Yb-{+H8{J
boolean breakWhile = false; zPND$3&'
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