/* +NT:<(;|i5
**SiteFileFetch.java q}e]*]dJZ
*/ A-;^~I
package NetFox; 9GE]<v,_[
import java.io.*; d9|T=R
import java.net.*; ve~C`2=;
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public class SiteFileFetch extends Thread { W%WC(/hor
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SiteInfoBean siteInfoBean = null; //文件信息Bean ^7<[}u;qF
long[] nStartPos; //开始位置 `;e^2
long[] nEndPos; //结束位置 gLV^Z6eE
FileSplitterFetch[] fileSplitterFetch; //子线程对象 "&}mAWT%If
long nFileLength; //文件长度 )6g&v'dq
boolean bFirst = true; //是否第一次取文件 "d2LyQy
boolean bStop = false; //停止标志 6}"lm]b
File tmpFile; //文件下载的临时信息 `[&v
DataOutputStream output; //输出到文件的输出流 9[Y*k^.!
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) K]9tc)
public SiteFileFetch(SiteInfoBean bean) throws IOException rCkYfTYI
{ }.OxJ=M
siteInfoBean = bean; RpjSTV8Tkm
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); pb6 Q?QG,
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); Z+Xc1W^
if(tmpFile.exists ()) M",];h(I6(
{ 1-/4Y5?}
bFirst = false; J7_8$B-j7
read_nPos(); c9|I4=_K
} "`[ $&:~
else O8iu+}]/6
{ 1aVgwAI
nStartPos = new long[bean.getNSplitter()]; ThbP;CzI#
nEndPos = new long[bean.getNSplitter()]; uV!MW= )
} W!y)Ho
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} VGfD;8]z
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public void run() <e[!3,%L
{ ?$2q P`-
//获得文件长度 I>\}}!
//分割文件 I51M}b,[d
//实例FileSplitterFetch FU'^n6[<B
//启动FileSplitterFetch线程 q;KshpfRMD
//等待子线程返回 0:s8o@}
try{ g:;Ya?5N
if(bFirst) !\3}R25
{ o%$<LaQG5
nFileLength = getFileSize(); = >P_mPP=
if(nFileLength == -1) 5 =*@l
{ NavOSlC+h
System.err.println("File Length is not known!"); jt/l,=9YK
} Q.*'H_Y
else if(nFileLength == -2) V2lp7"
{ Y7*'QKz2
System.err.println("File is not access!"); 9&&kgKKGQ
} m)(SG
else W6)dUi
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{ C5BzWgK
for(int i=0;i<nStartPos.length;i++) G#^m<G^M
{ ^Kb9@lz/
nStartPos = (long)(i*(nFileLength/nStartPos.length)); _T_PX$B
} )H.ubM1
for(int i=0;i<nEndPos.length-1;i++) [f/vLLK
{ .QNjeMu.
nEndPos = nStartPos[i+1]; }k4`
} Z3Bo@`&?
nEndPos[nEndPos.length-1] = nFileLength; (/To?`
} wVlSjk
} O7! fI'R
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//启动子线程 :v|r= #OI
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ](]*]a4ss
for(int i=0;i<nStartPos.length;i++) $:xF)E
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 3-4Nad
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), Wdei`u[
nStartPos,nEndPos,i); iH($rSE
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); K]*g, s+
fileSplitterFetch.start(); *Pa2bY3:
} &n}8Uw0440
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), QJ[(Y@ O6a
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); C]aOgt/U
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", ru#T^AI*^
nEndPos = " + nFileLength); l2z`<2mp
// fileSplitterFetch[nPos.length-1].start(); /e;e\k_}'
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//等待子线程结束 eTLI/?|+N
//int count = 0; 50}.Xm@,BO
//是否结束while循环 bjU 2UcI"<
boolean breakWhile = false; !&1}w86
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while(!bStop) ]C9%]`
{ <K|3Q'(S
write_nPos(); ex0
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Utility.sleep(500); PR48~K,?
breakWhile = true; CnM+HN30o
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for(int i=0;i<nStartPos.length;i++) C5.\;;7^&
{ yffU%
)
if(!fileSplitterFetch.bDownOver) ?CcR
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{ GapX$Jb,p
breakWhile = false; zav*
break; TmRrub
} HV#?6,U}
} O>)n*OsS
if(breakWhile) G2U5[\
break; !UUmy% 9
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//count++; bxPY'&