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**SiteFileFetch.java {(7Dz*0
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package NetFox; 4&R\6!*s
import java.io.*; 7?]gUrE
import java.net.*; 49@
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public class SiteFileFetch extends Thread { ~bWqoJ;Q
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SiteInfoBean siteInfoBean = null; //文件信息Bean '_4u,
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long[] nStartPos; //开始位置 uY5f mM9
long[] nEndPos; //结束位置 *J 7>6N:-
FileSplitterFetch[] fileSplitterFetch; //子线程对象 a`~$6
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long nFileLength; //文件长度 3r%I *
boolean bFirst = true; //是否第一次取文件 )tz8(S
boolean bStop = false; //停止标志 Rqa#;wb!(
File tmpFile; //文件下载的临时信息 A&Ut:OiA
DataOutputStream output; //输出到文件的输出流 "Y7RvL!U
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) Y=vA;BE]R
public SiteFileFetch(SiteInfoBean bean) throws IOException kVe^g]F
{ sFx$
siteInfoBean = bean; &julw;E
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); X`.4byqdK
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); >Djv8 0
if(tmpFile.exists ()) ]Q6,,/nn
{ 4T Gg`$e;
bFirst = false; 4Qz
read_nPos(); sog?Mvoq
} f]J?-ks
else aS'G&(_
{ {1#5\t>9yD
nStartPos = new long[bean.getNSplitter()]; 1k-^LdDj
nEndPos = new long[bean.getNSplitter()]; ]\+bx=
} .J&NM(qeZ
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} w^A8ZT0^7
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public void run() [B+o4+K3
{ R+]Fh4t
//获得文件长度 / (W{`
//分割文件 0 m";=:(w
//实例FileSplitterFetch
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//启动FileSplitterFetch线程 v~L} :
//等待子线程返回 O<L/m[]
try{ 6X7r=w
if(bFirst) 'gI58#v
{ >^+Q`"SN
nFileLength = getFileSize(); O|4~$7
if(nFileLength == -1) ^}U{O A
{ .NQoqXR
System.err.println("File Length is not known!"); #y-OkGS
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} 8ENAif
else if(nFileLength == -2) AH`tkPd
{ >J.a,!
System.err.println("File is not access!"); ^q%~K{'`-
} HR['y9U
else RNl%n}
{ MCz+l0
for(int i=0;i<nStartPos.length;i++) 5\:#-IYJ
{ xotq$r
nStartPos = (long)(i*(nFileLength/nStartPos.length)); $`{}4,5M
} B&-;w_K
for(int i=0;i<nEndPos.length-1;i++) Vn=J$Uv0
{ 4y>G6TD^
nEndPos = nStartPos[i+1]; o~mY,7@a
} |Ro\2uSr
nEndPos[nEndPos.length-1] = nFileLength; ~
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} `S;pn+5
} }9 qsPn
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//启动子线程 +:/`&LOS-
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; XfViLBY(
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for(int i=0;i<nStartPos.length;i++) 5C#&vYnq
{ FRs5 Pb1
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 6CY_8/:zL
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), \<