/* p!\GJ a",
**SiteFileFetch.java J.]`l\
*/ %Nx,ZD@
package NetFox; 7t/Y5Qf
import java.io.*; h\+8eeIl
import java.net.*; Y3SV6""y/
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public class SiteFileFetch extends Thread { ~6+>2|wIS
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SiteInfoBean siteInfoBean = null; //文件信息Bean $"?$r
long[] nStartPos; //开始位置 (U\D7ItMG
long[] nEndPos; //结束位置 moZeP#Q%
FileSplitterFetch[] fileSplitterFetch; //子线程对象 pdjRakN
long nFileLength; //文件长度 Y&bO[(> 1
boolean bFirst = true; //是否第一次取文件 (B03f$8}*_
boolean bStop = false; //停止标志 E
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File tmpFile; //文件下载的临时信息 0-/@-qV\
DataOutputStream output; //输出到文件的输出流 $"MGu^0;1
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) LZQG.
public SiteFileFetch(SiteInfoBean bean) throws IOException (i1p6
{ Nv3u)?A3w
siteInfoBean = bean; ~(:0&w%e
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); ,R=$qi|
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ~g;)8X;;+
if(tmpFile.exists ()) /[n]t
{ r~2q`l'>
bFirst = false; "Jdi>{o8
read_nPos(); 8/;@4^Ux
} hBhbcWD,ka
else TV`sqKW
{ G"".;}AV
nStartPos = new long[bean.getNSplitter()]; Fl}!3k>c
nEndPos = new long[bean.getNSplitter()]; t3=K>Y@w
} NLUiNfCR
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} p(9[*0.};
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public void run() A=70UL
{ dJlK'zK
//获得文件长度 pimI)1 !$'
//分割文件 MPF({Pnx7
//实例FileSplitterFetch x6^FpNgQ
//启动FileSplitterFetch线程 qxYCT$1
//等待子线程返回 s4 Vju/
try{ ,fo7.
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if(bFirst) uO1^nK
{ 6o*'Q8h
nFileLength = getFileSize(); U/xzl4m6
if(nFileLength == -1) L@f&71
{ (!Xb8rV0_
System.err.println("File Length is not known!"); VFm)!'=I
} KcW 5
else if(nFileLength == -2) qac:"z'9
{ r$ I k*R
System.err.println("File is not access!"); $4og{
} ^s$U
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else ==trl#kQ%%
{ jc@=
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for(int i=0;i<nStartPos.length;i++) %/ :&L+q
{ Ds{bYK_y
nStartPos = (long)(i*(nFileLength/nStartPos.length)); ,wy;7T>ODd
} Y@qugQM>
for(int i=0;i<nEndPos.length-1;i++) ^N`KT
{ yN06` =
nEndPos = nStartPos[i+1]; w7 \vrS>&
} e)3Mg^
nEndPos[nEndPos.length-1] = nFileLength; GoPMWbI7
} @gQ?cU 7
} l>J%Q^
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//启动子线程 dKL9}:oUa
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; z80*Ylx
for(int i=0;i<nStartPos.length;i++) eKU4"XTk
{ Oi{J}2U
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), K7/&~;ZwT
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), P2U4,?_e
nStartPos,nEndPos,i); ?}EWfsA
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); S&;)F|-q
fileSplitterFetch.start(); aJc>"#+
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} X7gB.=\X
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), >y!O_@>z
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); m |.0$+=
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", ISTAJ8"
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nEndPos = " + nFileLength); u;b 6uE
// fileSplitterFetch[nPos.length-1].start(); $}EARW9
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//等待子线程结束 wzZ]|
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//int count = 0; A>(EM}\,
//是否结束while循环 T~4HeEG>uH
boolean breakWhile = false; :R3&R CTZ
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/gn\7&