/* GS3ydN<v
**SiteFileFetch.java '17u
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*/ XfT6,h7vFL
package NetFox; L3~E*\cV
import java.io.*; .ODtduURe
import java.net.*; =;$&:Zjy/%
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public class SiteFileFetch extends Thread { hTn
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SiteInfoBean siteInfoBean = null; //文件信息Bean a~~ "2LE`
long[] nStartPos; //开始位置 /aJl0GL4!
long[] nEndPos; //结束位置 {UYqRfgbZ
FileSplitterFetch[] fileSplitterFetch; //子线程对象 uyG4zV\h*
long nFileLength; //文件长度 $P@P}%2
boolean bFirst = true; //是否第一次取文件 e"|9%AW@<
boolean bStop = false; //停止标志 |R*fw(=W
File tmpFile; //文件下载的临时信息 _H8)O2mJ
DataOutputStream output; //输出到文件的输出流 +o/;bm*U<K
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 1|cmmUM-'v
public SiteFileFetch(SiteInfoBean bean) throws IOException u-k?ef
{ {+t'XkA
siteInfoBean = bean; ~ab"q%
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); oci-[CI,
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 9HEc=,D|
if(tmpFile.exists ()) 95wV+ q*
{ %r!
bFirst = false; LZ ID|-
read_nPos(); >)pwmIn<
} W3 8=fyD
else qW<: `y
{ {YbqB6zaM
nStartPos = new long[bean.getNSplitter()]; M3F8@|2
nEndPos = new long[bean.getNSplitter()]; a<gzI
} n(f&uV_):
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} 65J'uN
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public void run() *}w.xt
{ c@q>5fR/c
//获得文件长度 l2`8]Qr
//分割文件 T)Nis~
//实例FileSplitterFetch 9 [I ro
//启动FileSplitterFetch线程 #t(?8!F
//等待子线程返回 a*IJ)'S
try{ G(0bulq
if(bFirst) j ^!J:Bj
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nFileLength = getFileSize(); {U(h]'
if(nFileLength == -1) $uLzC]
{ VBCj.dw
System.err.println("File Length is not known!"); QX]tD4OH
} (I~,&aBr
else if(nFileLength == -2) m#;:%.Rm
{ MA-$aN_(
System.err.println("File is not access!"); "?9fL#8f*!
} $qrr]U
else sy@k3wQ
{ bo -Gh`
for(int i=0;i<nStartPos.length;i++)
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{ 7T2W%JT-,
nStartPos = (long)(i*(nFileLength/nStartPos.length)); "+Qh,fTt
} #/jHnRrQ
for(int i=0;i<nEndPos.length-1;i++) q2<J`G(tZ
{ 2.lnT{
nEndPos = nStartPos[i+1]; F9+d7 Y$
} vo(?[[
nEndPos[nEndPos.length-1] = nFileLength; X)&Z{ V>
} wRiP 5U,
} Z?Q2 ed*j
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//启动子线程 `Ys })Pl
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ~fUSmc
for(int i=0;i<nStartPos.length;i++) mpF_+Mn
{ *nC,=2
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), h?1pGz)[C
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), lb6s3b
nStartPos,nEndPos,i); bn(Scl#@K
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); nRE}F5k
fileSplitterFetch.start(); 0$_imjZ
} `i:0dVs
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 7lj-Z~1
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); 7S7!
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", Y}#^n7*w~
nEndPos = " + nFileLength); f:Ja
// fileSplitterFetch[nPos.length-1].start(); 'q^Gg;c>+
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//等待子线程结束 y^Jv?`jw
//int count = 0; jbGH3 L
//是否结束while循环 RQ'c~D)X
boolean breakWhile = false; dB,#`tc=,
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while(!bStop) (hV"z; rI
{ %i
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write_nPos(); *Fc&DQT(
Utility.sleep(500); ;'
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breakWhile = true; !?>)[@2
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for(int i=0;i<nStartPos.length;i++) >V$#Um?AXj
{ ^MW%&&,BL
if(!fileSplitterFetch.bDownOver) )/AvWDKvO
{ Iq=B]oE
breakWhile = false; 8WGM%n#q
break; :V2Q n-N
} prs<ZxbQb
} Xda<TX@-
if(breakWhile) iHn]yv3
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break; wEbs E<</
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//count++; 7EO&:b