/* &,zeBFmc
**SiteFileFetch.java |wDCIHzQ
*/ -g0>>{M'
package NetFox; 0NxaQ`\
import java.io.*; |{
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import java.net.*; scdT/|(U$
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public class SiteFileFetch extends Thread { \1ZfSc
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SiteInfoBean siteInfoBean = null; //文件信息Bean ~J|0G6H
long[] nStartPos; //开始位置 !duR7a
long[] nEndPos; //结束位置 AF@C9s
FileSplitterFetch[] fileSplitterFetch; //子线程对象 -8IiQRS
long nFileLength; //文件长度 o! 8X< o
boolean bFirst = true; //是否第一次取文件 .qZ<ROZ
boolean bStop = false; //停止标志 mS0W@# |K
File tmpFile; //文件下载的临时信息 {'1,JwSmb
DataOutputStream output; //输出到文件的输出流 4t":WutC
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) <*[(t;i
public SiteFileFetch(SiteInfoBean bean) throws IOException *$QUE0
{ \21!NPXH2
siteInfoBean = bean; PJ'l:IU
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); wNlp4Z'[
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 0^+W"O
if(tmpFile.exists ()) mU!c;O
{ }5K\l
bFirst = false; -8]$a6`{_
read_nPos(); Px<;-H`
} VD4(
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nStartPos = new long[bean.getNSplitter()]; ^dro*a,
nEndPos = new long[bean.getNSplitter()]; aePk^?KbB
} 8W{R&Z7aL
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public void run() BwR)--75
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//获得文件长度 )/UkJ/}j
//分割文件 #(OL!B
//实例FileSplitterFetch TV} H
//启动FileSplitterFetch线程 Ta_#Rg*!
//等待子线程返回 )Ipa5i>t
try{ G=DRz F
if(bFirst) SJ<nAX
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nFileLength = getFileSize(); OmsNo0OA
if(nFileLength == -1) 7v{Dwg
{ *t63c.S
System.err.println("File Length is not known!"); ]`LMyt0
} d;K,2
else if(nFileLength == -2) %k9GoX_
{ {<V{0
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System.err.println("File is not access!"); n;[d{bU
} XOU
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else lwSA!W
{ {q:6;yzxl
for(int i=0;i<nStartPos.length;i++) wtK+\Qnb
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); alyWp
} eGjEO&$
for(int i=0;i<nEndPos.length-1;i++) G22u+ua
{ `2G 0B@
nEndPos = nStartPos[i+1]; +Y-Gp4"
} >HyZ~M
nEndPos[nEndPos.length-1] = nFileLength; cJMp`DQzc
} W2'u]1bs
} N^v"n*M0|
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//启动子线程 :wtK'ld
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ;O+=
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for(int i=0;i<nStartPos.length;i++) ka0MuQM
{ <m'W{n%Pp
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), :>f}rq
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), JD9)Qelw^$
nStartPos,nEndPos,i); :pq+SifP
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); ~m3Q^ue
fileSplitterFetch.start(); 1aDx 6Mq
} \8g'v@$wG
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), NYw>Z>TD8c
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); W^k95%zBM
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", g%TOYZr!X
nEndPos = " + nFileLength); E%LUJx}
// fileSplitterFetch[nPos.length-1].start(); T\q:
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//等待子线程结束 )V d^#p
//int count = 0; ? fW['%
//是否结束while循环 u.;l=tzz
boolean breakWhile = false; i]9C"Kw$L
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while(!bStop) Y O&@
{ pmRm&VgE.
write_nPos(); C cPOK2
Utility.sleep(500); ZmI0|r}QbY
breakWhile = true; 7>"dc+Fg
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for(int i=0;i<nStartPos.length;i++) ^hNl6)hR
{ 0 30LT$&!
if(!fileSplitterFetch.bDownOver) \#4mPk_"
{ #/_{(P
breakWhile = false; 9TX2h0U?
break; AXF
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} /yHjds
if(breakWhile) eSQkW
break; ]~2iducB,
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//count++; da<