/* *V&M5
**SiteFileFetch.java +5y^c|L0
*/ 0+\725DJ
package NetFox; gPMR,TU
import java.io.*; TEV DES
import java.net.*; #0AyC.\
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public class SiteFileFetch extends Thread { ucl001EK
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SiteInfoBean siteInfoBean = null; //文件信息Bean 971=OEyq*
long[] nStartPos; //开始位置 \,;glY=M!
long[] nEndPos; //结束位置 NO5k1/-
FileSplitterFetch[] fileSplitterFetch; //子线程对象 n.+*_c8 k
long nFileLength; //文件长度 @<W` w
boolean bFirst = true; //是否第一次取文件 Iy)1(upM
boolean bStop = false; //停止标志 ,M.C]6YMr
File tmpFile; //文件下载的临时信息 ~ 5}t;
DataOutputStream output; //输出到文件的输出流 pm
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) vQ<
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public SiteFileFetch(SiteInfoBean bean) throws IOException -ssb|r
{ 'n|U
siteInfoBean = bean; 6J;!p/C8E
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); e'mF1al
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); \Z5Wp5az},
if(tmpFile.exists ()) wUvE
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bFirst = false; S?v/diK ]J
read_nPos(); )G48,.
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} l,|Llb
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nStartPos = new long[bean.getNSplitter()]; rmg\Pa8W>
nEndPos = new long[bean.getNSplitter()]; ,i_+Z
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public void run() SS/vw%
{ I[E 6N2
//获得文件长度 b`e_}^,c
//分割文件 [#KY.n
//实例FileSplitterFetch Jxl'!8t
//启动FileSplitterFetch线程 WB:0}b0Gu
//等待子线程返回 jr6 0;oK+
try{ ]t<=a6<P
if(bFirst) &A
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nFileLength = getFileSize(); v7(7WfqP
if(nFileLength == -1) _qB
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{ ZvyZ5UA
System.err.println("File Length is not known!"); B~:yM1f@u4
} 3nA^s"#p
else if(nFileLength == -2) #ed|0
{ sm18u-
System.err.println("File is not access!"); jwwRejNV
} C).\ J !
else @Z/jaAjUC
{ RZW=z}T+H
for(int i=0;i<nStartPos.length;i++) J@>|`9T9$
{ YI0l&'7
nStartPos = (long)(i*(nFileLength/nStartPos.length)); ,X/j6\VBO
} :}_hz )
for(int i=0;i<nEndPos.length-1;i++) ?q6#M&|j/I
{ Pz50etJ
nEndPos = nStartPos[i+1]; LB@<Q.b,U
} 8YZ9
nEndPos[nEndPos.length-1] = nFileLength; feXo"J
} -O &>HA
} wai3g-`
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//启动子线程 La6
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fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; r QzdHA
for(int i=0;i<nStartPos.length;i++) !v2/sq$G
{ }/J"/ T
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), RrxbsG1HP
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), ,|c;x1|O
nStartPos,nEndPos,i); IWYQ67Yj
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); k*_Gg
fileSplitterFetch.start(); 'n h^;
} O#.YTTj
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), =?|$}vDO[
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); pbKmFweq
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", (pH)QG
nEndPos = " + nFileLength); {n>.Y-=
// fileSplitterFetch[nPos.length-1].start(); 8`S1E0s
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//等待子线程结束 l4DBGZB
//int count = 0; q=^;lWs4
//是否结束while循环 qBF|' .$^
boolean breakWhile = false; (?A
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while(!bStop) e
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{ xqSZ{E:
write_nPos(); Dt!KgI3
Utility.sleep(500); $mK;{9Z
breakWhile = true; ~AWn 1vFc
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for(int i=0;i<nStartPos.length;i++) pk u\)
{ iUz?mt;k
if(!fileSplitterFetch.bDownOver) BqJ|l7+
{ 7&