/* GlDl0P,*r
**SiteFileFetch.java sQT0y(FW
*/ T1@]:`&
package NetFox; YdgaZJs
import java.io.*; j
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import java.net.*; Q6cF<L`bW
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public class SiteFileFetch extends Thread { rZ~.tT|(
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SiteInfoBean siteInfoBean = null; //文件信息Bean (aX5VB **
long[] nStartPos; //开始位置 zl:
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long[] nEndPos; //结束位置 W@^O'&3d
FileSplitterFetch[] fileSplitterFetch; //子线程对象 H1,;Xrm
long nFileLength; //文件长度 `]^JOw5o
boolean bFirst = true; //是否第一次取文件 N'fE^jqU
boolean bStop = false; //停止标志 %#rH~E
File tmpFile; //文件下载的临时信息 3N) bJ
DataOutputStream output; //输出到文件的输出流 +3
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) rZDmZm?=
public SiteFileFetch(SiteInfoBean bean) throws IOException xQ
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{ 29?{QJb
siteInfoBean = bean; /x6,"M[97
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); NU*6MT4
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); xj/ +Z!,9
if(tmpFile.exists ()) nQc]f*
{ Ojx1IL
bFirst = false; vZM.gn
read_nPos(); !\a'GO[
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else p;dH[NW
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nStartPos = new long[bean.getNSplitter()]; RZ!-,|"cwL
nEndPos = new long[bean.getNSplitter()]; ta*B#2D>
} ,%+i}H,3
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public void run() IYq)p
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//获得文件长度 (u81p
//分割文件 'AX/?Srd
//实例FileSplitterFetch -hf)%o$
//启动FileSplitterFetch线程 CT@JNG$<"
//等待子线程返回 .kSx>3
try{ 6@-VLO))O
if(bFirst) Kr!(<i
{ }fW@8ji\
nFileLength = getFileSize(); P1b5=/}:V
if(nFileLength == -1) %aU4d
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System.err.println("File Length is not known!"); cn$E?&-
} \4q%
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else if(nFileLength == -2) (yv&&Jc
{ O_#Ag K<A
System.err.println("File is not access!"); XV+s 5C
} '~{^c}
else YFD'&N,sx
{ 'W5r(M4U
for(int i=0;i<nStartPos.length;i++) 9x/HQ(1
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); >|L,9lR_b
} i DV.L
for(int i=0;i<nEndPos.length-1;i++) , ;L
{ q;a`*gX^
nEndPos = nStartPos[i+1]; "8wRxDr+
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nEndPos[nEndPos.length-1] = nFileLength; <N11$t&_
} |:SBkM,
} 1;<J] S$$
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//启动子线程 >OVi{NyT
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; w#wlZ1f
for(int i=0;i<nStartPos.length;i++) N\ ?%944R
{ Y,OSQBgk
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), TTaSg\K
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 9^Q:l0|
nStartPos,nEndPos,i); *a* \E
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Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); a;J{'PHu
fileSplitterFetch.start(); 5
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} _D:#M
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), N.OC _H&
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); o0b}:`
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", /238pg~Cw5
nEndPos = " + nFileLength); 3Xgf=yG:M
// fileSplitterFetch[nPos.length-1].start(); rK W<kQT
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//等待子线程结束 $}0q=Lg%wv
//int count = 0; w?6"`Mo
//是否结束while循环 60P^aj$V
boolean breakWhile = false; +U9Gj#
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while(!bStop) pmd=3,D'u
{
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write_nPos(); jy`jxOoG~Z
Utility.sleep(500); ;hi+.ng_
breakWhile = true; jA R@?X
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for(int i=0;i<nStartPos.length;i++) $F-qqkR$
{ W!pLk/|ls
if(!fileSplitterFetch.bDownOver) Qhb].V{utV
{ 0UeDM*
breakWhile = false; @BWroNg{
break; 0lR/6CB
} 1J<Wth{
} A6Ttx{]
if(breakWhile) v]|^.x:
break; 9E^IEwq'
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