/* S/ibb&
**SiteFileFetch.java WKSPBT;
*/ "] \+?
package NetFox; mA{~PpSb
import java.io.*; [xKd7"d/n
import java.net.*; iPrLwheb
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public class SiteFileFetch extends Thread { 2ZQ}7`Y
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SiteInfoBean siteInfoBean = null; //文件信息Bean aj}(E+
long[] nStartPos; //开始位置 ek
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long[] nEndPos; //结束位置 |`jjHuQ;
FileSplitterFetch[] fileSplitterFetch; //子线程对象 5[Pr|AY
long nFileLength; //文件长度 l{D'uI[&
boolean bFirst = true; //是否第一次取文件 M2U&?V C!
boolean bStop = false; //停止标志 ;}'D16`j
File tmpFile; //文件下载的临时信息 *cO sv
DataOutputStream output; //输出到文件的输出流 5 QO34t2
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) a/< Csad
public SiteFileFetch(SiteInfoBean bean) throws IOException f0T,ul,
{ rSYi<ku
siteInfoBean = bean; b?eu jxqg
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); @}:uu$OH
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); ]@Sj`J[fd
if(tmpFile.exists ()) y7^{yS[,
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bFirst = false; `ImE% r!
read_nPos(); 'fL"txW
} 5MSB dO
else ce6__f5?
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nStartPos = new long[bean.getNSplitter()]; ,$eK-w
nEndPos = new long[bean.getNSplitter()]; <`0h|m'U
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public void run() <?D\+khlq
{ xB !6_VlB
//获得文件长度 wK}\_2?
//分割文件 C4NTh}6tT
//实例FileSplitterFetch tBct
//启动FileSplitterFetch线程 t
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//等待子线程返回 'u` .P:u?
try{ {%#)5l)
if(bFirst) 7G)H.L)$m"
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nFileLength = getFileSize(); 8KH\`5<
if(nFileLength == -1) $\k0Nup}
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System.err.println("File Length is not known!"); WF\)fc#;_o
} ZR\VCVH\^
else if(nFileLength == -2) $fgf
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System.err.println("File is not access!"); WYc7aciJ
} d`1I".y
else b]a@
{ "U\JV)N
for(int i=0;i<nStartPos.length;i++) p^iRPI
{ RQFI'@Ks
nStartPos = (long)(i*(nFileLength/nStartPos.length)); 0KD]j8^
} . <tq61
for(int i=0;i<nEndPos.length-1;i++) P+)DsZ0ig
{ 2[gFkyqe
nEndPos = nStartPos[i+1]; ykrr2x
} ujJI
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nEndPos[nEndPos.length-1] = nFileLength; 4ikd M/
} "YB**Y
} ?3O9eZY@
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//启动子线程 7$rjlVe
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; |X`/
for(int i=0;i<nStartPos.length;i++) +78CvjG
{ !pJeA)W;
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), *9p |HX=
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), VAC iVKk
nStartPos,nEndPos,i); +1~Z#^{&
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); K\)Td+~jc
fileSplitterFetch.start(); kg`.[{k
} >Yt/]ta4+
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), %0Y=WYUH>
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); KLX/O1B
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", z5bo_Eq
nEndPos = " + nFileLength); "@9?QI}
// fileSplitterFetch[nPos.length-1].start(); <9sO
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