/* DBzF\-
**SiteFileFetch.java U\", !S~<
*/ bn"z&g
package NetFox; ~1.~4~um
import java.io.*; ;WsV.n
import java.net.*; fn\&%`U
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public class SiteFileFetch extends Thread { <fcw:Ae
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SiteInfoBean siteInfoBean = null; //文件信息Bean /pnQKy.
long[] nStartPos; //开始位置 zH?&FtO
long[] nEndPos; //结束位置 \G &q[8F\
FileSplitterFetch[] fileSplitterFetch; //子线程对象 9 kS;_(DB
long nFileLength; //文件长度 <<9Y=%C+
boolean bFirst = true; //是否第一次取文件 {c:ef@'U
boolean bStop = false; //停止标志 I}7=\S/@
File tmpFile; //文件下载的临时信息 wi-{&
DataOutputStream output; //输出到文件的输出流 qt#4i.Iu+
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) O7tL,)Vv
public SiteFileFetch(SiteInfoBean bean) throws IOException Nx4X1j?-n
{ }WG -R
siteInfoBean = bean; z`rW2UO#a`
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); .(8eWc YK
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); W/I D8+:i
if(tmpFile.exists ()) +\`t@Ht#
{ h}(GOYS)
bFirst = false; t%>x}b"2T
read_nPos(); U})Z4>[bvt
} o[CjRQY]P
else I~I$/j]e`
{ ]%/a'[
nStartPos = new long[bean.getNSplitter()]; ]$96#}7N
nEndPos = new long[bean.getNSplitter()]; nXF|AeAco
} z6Jfu:_N!
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public void run() 7Ke#sW.HN
{ Ty>g:#bogI
//获得文件长度 V{G9E
//分割文件 lEv<n6:_
//实例FileSplitterFetch wC[Bh^]
//启动FileSplitterFetch线程 hFWK^]~ a
//等待子线程返回 Lg4I6 G
try{ BHBMMjY5
if(bFirst) *]_GFixi
{ 4FgY!k
nFileLength = getFileSize(); E$84c+
if(nFileLength == -1) /!Kl
{ 7Y(ySW
System.err.println("File Length is not known!"); L]HYk}oD.
} tqo!WuZAj
else if(nFileLength == -2) Z'sO9Sg8>
{ ?*8HZ1m#
System.err.println("File is not access!"); 5Pl~du
} O6pL )6d
else 4?^t=7N
{ F
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for(int i=0;i<nStartPos.length;i++) c;e2=
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{ Bswd20(w
nStartPos = (long)(i*(nFileLength/nStartPos.length)); J]|lCwF
} \dag~b<
for(int i=0;i<nEndPos.length-1;i++) <\cH9D`dE
{ Z"fnjH
nEndPos = nStartPos[i+1]; 2x*C1
} MO$dim>
nEndPos[nEndPos.length-1] = nFileLength; r?= 7#/]
} h}_1cev?
} /M "E5
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//启动子线程 !*gTC1bvB
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; a/wkc*}}/
for(int i=0;i<nStartPos.length;i++) \o j#*aL^
{ xBC:%kG~#
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Ilc FW
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), rn?:utP
nStartPos,nEndPos,i);
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Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); :K6(`J3Y"^
fileSplitterFetch.start(); o=
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} uvrfR?%QK
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), [af<FQ {
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ZkJYPXdn?
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", jF\J+:5M
nEndPos = " + nFileLength); I!;# Nk>
// fileSplitterFetch[nPos.length-1].start(); ,e
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//等待子线程结束 i%~4 >k
//int count = 0; :>[;XT<
//是否结束while循环 5)yQrS !{:
boolean breakWhile = false; sQS2U6
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while(!bStop) fodr1M4J
{ ?7cF_Zvve
write_nPos(); M9@#W"
Utility.sleep(500); M#qZ0JT4
breakWhile = true; *S.2p*Vd
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for(int i=0;i<nStartPos.length;i++) 4565U
{ Cse@>27s
if(!fileSplitterFetch.bDownOver) %XqLyeOS
{ s.rS06x
breakWhile = false; I$neE"wW
break; 'H`_Z e<
} 9zkR)C
} eD, 7gC-
if(breakWhile) yoj5XBM
break; r^?%N3
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//count++; V\kf6E
//if(count>4) qb
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// siteStop(); v5t`?+e
} 5|-(Ic
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System.err.println("文件下载结束!"); ujcNSX*
} PL8eM]XS
catch(Exception e){e.printStackTrace ();} 'B"kUh%3$5
} d&