/* grzmW4Cw
**SiteFileFetch.java 6qFzo1LO
*/ rzIWQFv
package NetFox; vJ}WNvncVF
import java.io.*; qnboXGaFu
import java.net.*; ; F'IS/ttX
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public class SiteFileFetch extends Thread { F:T(-,
} &+]UGv
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SiteInfoBean siteInfoBean = null; //文件信息Bean G=|?aK{p
long[] nStartPos; //开始位置 1F,U^O
long[] nEndPos; //结束位置 Ig}hap]G
FileSplitterFetch[] fileSplitterFetch; //子线程对象 5=I({=/>
long nFileLength; //文件长度 i/+^C($'f
boolean bFirst = true; //是否第一次取文件 Os'E7;:1h
boolean bStop = false; //停止标志 //BJaWq
File tmpFile; //文件下载的临时信息 x-k-Pd
DataOutputStream output; //输出到文件的输出流 h~\k;ca
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 9 da=q
public SiteFileFetch(SiteInfoBean bean) throws IOException (WC
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{ m(U.BXo
siteInfoBean = bean; tj~r>SRb+
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); pNOE
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 0*b8?e
if(tmpFile.exists ()) :38h)9>RK
{ kD )31P
bFirst = false; b4cTn 6
read_nPos(); pI-Qq%Nwt
} U1y!R<qlp
else v1~l=^4&
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nStartPos = new long[bean.getNSplitter()]; ocWl]h].
nEndPos = new long[bean.getNSplitter()]; a<q9~QS
} ftTD-d
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} `aAE4Ry?
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public void run() Z,2?TT|p
{ @[9
//获得文件长度 'RKpMdoz
//分割文件 8(Te^] v#
//实例FileSplitterFetch xaVX@ 3r.3
//启动FileSplitterFetch线程 >8I~i:hn
//等待子线程返回 3]?='Qq.(
try{ Ebs]]a>PO
if(bFirst) 01-rBto$
{ h<3b+*wYJC
nFileLength = getFileSize(); OP=brLGu0
if(nFileLength == -1) x}K|\KXy
{ HJN GO[*g
System.err.println("File Length is not known!"); 1?H;
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} gU+yqT7=
else if(nFileLength == -2) "=s}xAM|A
{ pP":,8Q{
System.err.println("File is not access!"); ^g6v#]&WA
} KJoa^e;~
else hbJy<e1W
{ =t-Ud^3
for(int i=0;i<nStartPos.length;i++) yg'CL/P
{ W`9{RZ'
nStartPos = (long)(i*(nFileLength/nStartPos.length)); 9`/e=RL
}
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for(int i=0;i<nEndPos.length-1;i++) ,= ApnNUgX
{ *Ci&1Mu^Z
nEndPos = nStartPos[i+1]; q;nAq%
} j1g$LAe
nEndPos[nEndPos.length-1] = nFileLength; 4bGvkxZo`$
} plB8iN`x<
} wsB-(
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//启动子线程 Sy <E@1
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ty['yV-;a
for(int i=0;i<nStartPos.length;i++) h SS9mQ
{ dNf9,P_}
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), +BtLd+)R
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), <tbs,lcw;
nStartPos,nEndPos,i); 6Zn[l,\
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); :j3'+%'2
fileSplitterFetch.start(); ;W5.g8
} =@4,szLO
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), P?>:YY53
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); yOlVS@7
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", ]@z!r2[
nEndPos = " + nFileLength); PU.j(0
// fileSplitterFetch[nPos.length-1].start(); &2 Yo
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//等待子线程结束 [C4{C4TX
//int count = 0; q[qX O5
//是否结束while循环 nw/g[/<;
boolean breakWhile = false; Zc_F"KJL
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while(!bStop) <`SA>P
{ 83V\O_7j
write_nPos(); Vbp@n
Utility.sleep(500); }|Q\@3&
breakWhile = true; n%36a(]
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for(int i=0;i<nStartPos.length;i++) 5g-1pzP9
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if(!fileSplitterFetch.bDownOver) h&