/* 2ntL7F<ow
**SiteFileFetch.java b:SjJA,HM
*/ nd}[X[ay
package NetFox; w9G (^jS6
import java.io.*; pxDkf|*
import java.net.*; Et}S*!IS
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public class SiteFileFetch extends Thread { [RoOc)u
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SiteInfoBean siteInfoBean = null; //文件信息Bean &
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long[] nStartPos; //开始位置 OWx-I\:
long[] nEndPos; //结束位置 j]Kpwf<NS
FileSplitterFetch[] fileSplitterFetch; //子线程对象 3MH9%*w'0
long nFileLength; //文件长度 Zi/tax9C
boolean bFirst = true; //是否第一次取文件 u$O`
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boolean bStop = false; //停止标志 *c3(,Bmw
File tmpFile; //文件下载的临时信息 ark~#<SqAr
DataOutputStream output; //输出到文件的输出流 #rD0`[pz
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) m&a.i
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public SiteFileFetch(SiteInfoBean bean) throws IOException W US[hx,
{ H|JPqBNRh
siteInfoBean = bean; Jz<-B
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); 98'/yZ
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); g0O~5.f
if(tmpFile.exists ()) B]iPixA6
{ piULIZ0
bFirst = false; 0n<>X&X
read_nPos(); E^qJ5pr_P
} _3~/Z{z8
else W|'7)ph
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nStartPos = new long[bean.getNSplitter()]; ^hiIMqY_{`
nEndPos = new long[bean.getNSplitter()]; D~P3~^
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public void run() ",O |uL
{ >8M=REn4
//获得文件长度 [ICFPY6
//分割文件 S#Q0aGj
//实例FileSplitterFetch VW&EdrR,S
//启动FileSplitterFetch线程 )cP&c=
//等待子线程返回 JPO'1D)
try{ .Q!_.LX
if(bFirst) M$YU_RPl+
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nFileLength = getFileSize(); H?oBax:
if(nFileLength == -1) B!+rO~
{ ad)jw:n
System.err.println("File Length is not known!"); )SU\s+"M
} hQ7-m.UZw
else if(nFileLength == -2) fVJlA
{ 4|U$ON?x
System.err.println("File is not access!"); O"^3,-
} R.x^
else Y=83r]%
{
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for(int i=0;i<nStartPos.length;i++) R5Pk>-KF
{ m#K)%0
nStartPos = (long)(i*(nFileLength/nStartPos.length)); Z=ZTSl
} pmwVVUEQ
for(int i=0;i<nEndPos.length-1;i++) =-bGH
{ 5}C.^ J`
nEndPos = nStartPos[i+1]; qTZ\;[CrP"
} amTeTo]Tg
nEndPos[nEndPos.length-1] = nFileLength; ml,FBBGq|-
} u}r> ?/V!
} ]y0bgKTK
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//启动子线程 \<ko)I#%
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; p~'iK4[&6
for(int i=0;i<nStartPos.length;i++) >V%lA3
{ ~ECIL7,
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), =e)t,YVm
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), pq"Z,9,F%
nStartPos,nEndPos,i); *c<6 Er>s
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); zsM2R"[X
fileSplitterFetch.start(); ^ YOCHXg
} PfR|\{(
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), v*";A
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); ;NMv>1fI
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", !MXn&&e1
nEndPos = " + nFileLength); jFDVd;#CS
// fileSplitterFetch[nPos.length-1].start(); D~ogq]
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//等待子线程结束 m>{a<N
//int count = 0;
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//是否结束while循环 NiH =T
boolean breakWhile = false; ~] &yHzp2
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while(!bStop) x{O) n
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write_nPos(); :
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Utility.sleep(500); n1U! od
breakWhile = true; \wV^uS
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for(int i=0;i<nStartPos.length;i++) ["fUSQ
{ [I?[N.v
if(!fileSplitterFetch.bDownOver) G! Y
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{ 9])Id;+91
breakWhile = false; ,<=gPs;x
break; )2lB
} r.q*S4IS.m
} Qz"+M+~%&
if(breakWhile) W:maE9E=
break; ^sKdN-{
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//count++; "XQ3mi`y
//if(count>4) =Vm3f^
// siteStop(); 5e3p9K`5
} gvFJ~lL
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System.err.println("文件下载结束!"); wz..
} o|$r;<o3R
catch(Exception e){e.printStackTrace ();} RNF%i~nhO
} &S=Qu?H
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//获得文件长度 |<