/* h_ 4*?w
**SiteFileFetch.java -O$vJ,*
*/ H};1>G4
package NetFox; f9K7^qwkiz
import java.io.*; VrRF2(Kn?
import java.net.*; v1{j1~ZR
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public class SiteFileFetch extends Thread { flPS+
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SiteInfoBean siteInfoBean = null; //文件信息Bean sA?8i:]O:
long[] nStartPos; //开始位置 m)L50ot:/
long[] nEndPos; //结束位置 ![B|Nxq}@
FileSplitterFetch[] fileSplitterFetch; //子线程对象 rNV3-#kU
long nFileLength; //文件长度 cS%dTrfo
boolean bFirst = true; //是否第一次取文件 <?B3^z$
boolean bStop = false; //停止标志 '/xynk%)xw
File tmpFile; //文件下载的临时信息 '=$`NG8l
DataOutputStream output; //输出到文件的输出流 "Y<;R+z
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) a9e0lW:=c
public SiteFileFetch(SiteInfoBean bean) throws IOException >G|RVB
{ B$rhsK%
siteInfoBean = bean; x"q]~u<rB
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); =.8n K
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info");
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if(tmpFile.exists ()) bX2BEa8<"
{ `D%i`"~Lf&
bFirst = false; @Pcgm"H<
read_nPos(); ftRFG
} +TqrvI.
else }T$BU>z33N
{ |j0_^:2r=
nStartPos = new long[bean.getNSplitter()]; Q*<KX2O
nEndPos = new long[bean.getNSplitter()]; 7<WUjK|
} A2gFY}
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} CsZm8oL$
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public void run() AwG0E`SU
{ ({rcH.:
//获得文件长度 q<3La(^/
//分割文件 *l`yxz@U
//实例FileSplitterFetch CjPdN#*l
//启动FileSplitterFetch线程 !Np7mv\7
//等待子线程返回 -crMO57/
try{ 3r+c&^
if(bFirst) 3}\ z&|
{ /g>-s&w
nFileLength = getFileSize(); y%vAEQ2j=
if(nFileLength == -1) q`p0ul,n
{ 1"CWEL`i
System.err.println("File Length is not known!"); ?rOj?J9
} 05H:ZrUV
else if(nFileLength == -2) /#vt\I<x
{ nmiJ2edx
System.err.println("File is not access!"); 6Tmz!E0
} 9 RDs`>v
else a%c <3'
{ ^^}htg
for(int i=0;i<nStartPos.length;i++) 7NRa&W2
{ #+D][LH4
nStartPos = (long)(i*(nFileLength/nStartPos.length)); $H+X'1
} _k]R6V:
for(int i=0;i<nEndPos.length-1;i++) -Wa<}Tz
{ CP\[9#]:
nEndPos = nStartPos[i+1]; YZfi-35@g
} =SmU;t>t/
nEndPos[nEndPos.length-1] = nFileLength; F#|y,<}<
} kO}%Y?9d
} <k8WnA ~Fl
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//启动子线程 dCM&Yf}K
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ]R\L~Kr
for(int i=0;i<nStartPos.length;i++) mRAt5a#is
{ k(RKAFjY
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ;R0LJApey
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), B ZU@W%E
nStartPos,nEndPos,i); W3[>IH"+
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); {f/]K GGk
fileSplitterFetch.start(); %1p-DX6
} <m \Y$Wv
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), .BJoY
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); 3(K.:376
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", (L4llZ;q
nEndPos = " + nFileLength); Vp; `!+z"
// fileSplitterFetch[nPos.length-1].start(); ;5;>f)diS
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//等待子线程结束 9j^rFG!n
//int count = 0; CC^]Y.9
//是否结束while循环 9LPXhxNwB
boolean breakWhile = false; >y8>OJ?A7-
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while(!bStop) }ACg#;>/+
{ X,+a 6F
write_nPos(); FWeUZI+
Utility.sleep(500); ~m<K5K6 V
breakWhile = true; Da)p%E>Q
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for(int i=0;i<nStartPos.length;i++) ~*3Si(4l/
{ JtSwbdN
if(!fileSplitterFetch.bDownOver) W2-l_{
{ A?04,l]y
breakWhile = false; G)YmaHeI;[
break; - s'W^(
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} eXsp0!v
if(breakWhile) E8PwA.
break; *MfH\X379
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//count++; ]6^S:K_"
//if(count>4) CB9:53zK9
// siteStop(); #\N8E-d
} %x,HQNRDU
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