/* wjtFZGx&
**SiteFileFetch.java Qg6tJB
*/ 'p_|Rw>
package NetFox; u.yYE,9
import java.io.*; oU l0w~Xn
import java.net.*; tt4Z
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public class SiteFileFetch extends Thread { cT21
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SiteInfoBean siteInfoBean = null; //文件信息Bean vzX%x ul
long[] nStartPos; //开始位置 &s#O iF8
long[] nEndPos; //结束位置 mUan(iJ
FileSplitterFetch[] fileSplitterFetch; //子线程对象 *""iXi[
long nFileLength; //文件长度 hKVb#|$
boolean bFirst = true; //是否第一次取文件 Cl6P,C
boolean bStop = false; //停止标志 `y3*\l
File tmpFile; //文件下载的临时信息 }A}cq!I^
DataOutputStream output; //输出到文件的输出流 :>CD;
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) LbkQuq/d
public SiteFileFetch(SiteInfoBean bean) throws IOException (N6=+dNY
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siteInfoBean = bean; qrHCr:~
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); A&N$=9.N1
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); Prc(
if(tmpFile.exists ()) 5Vc~yMz
{ 0VnRtLnqI
bFirst = false; ZAJ~Tbm[f
read_nPos(); RH9P$;.7
} \E
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else $~e55X'!+
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nStartPos = new long[bean.getNSplitter()]; L,yq'>*5s
nEndPos = new long[bean.getNSplitter()]; 5{gv\S1
} }wB!Bx2
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public void run() 4`Cgz#v
{
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//获得文件长度 '/s/o]'sUd
//分割文件 ug_c}Nv=Y
//实例FileSplitterFetch *5u3d`bW
//启动FileSplitterFetch线程 /hur6yI8
//等待子线程返回 }ssP%c]
try{ W K(GR\@
if(bFirst) 00LL&ot
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nFileLength = getFileSize(); Cp?6vu|RA
if(nFileLength == -1) >u\'k+=
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System.err.println("File Length is not known!"); x"7PnN|~
} B?db`/G9
else if(nFileLength == -2) aECpe'!m4
{ $0cE iq?Hf
System.err.println("File is not access!"); e= XC$Jv
} |hS^eK_
else e6>[Z C
{ '=H3Y_{oO
for(int i=0;i<nStartPos.length;i++) 4j}.=u* X7
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); KBoW(OP4'
} vjVa),2
for(int i=0;i<nEndPos.length-1;i++) 3!h 3flE
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nEndPos = nStartPos[i+1]; ]|N"jr?7H
} .E9$j<SP-
nEndPos[nEndPos.length-1] = nFileLength; 4av
} )8taMC:H^
} b\^1P;!'W
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//启动子线程 _}j6Pw'
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; g*-}9~
for(int i=0;i<nStartPos.length;i++) RT2&^9-
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ac,<+y7A
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), j*FpQiBoT
nStartPos,nEndPos,i); i!G<sfL
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); hXD`OlX
fileSplitterFetch.start(); xouBBb=
} b)>l7nOc
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), <O41M\,
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); QO>)ug+
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", _7R6%^
nEndPos = " + nFileLength); S"fqE%
// fileSplitterFetch[nPos.length-1].start(); R2qz>kyyB
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//等待子线程结束 wH\
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//int count = 0; A9WOu*G1O
//是否结束while循环 &?I3xzvK
boolean breakWhile = false; BwYR"
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while(!bStop) djn<