/* M^r1S
**SiteFileFetch.java YaKeq5%y
*/ Tgm nG/Z
package NetFox; ;CmS ~K:
import java.io.*; Y2ZT.l
import java.net.*; G~2jUyv
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public class SiteFileFetch extends Thread { aWWU4xe
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SiteInfoBean siteInfoBean = null; //文件信息Bean rV R1wsaL
long[] nStartPos; //开始位置 Mc09ES
long[] nEndPos; //结束位置 5Iy;oZ
FileSplitterFetch[] fileSplitterFetch; //子线程对象 K]s[5
long nFileLength; //文件长度 C":32_q
boolean bFirst = true; //是否第一次取文件 JEahGzO
boolean bStop = false; //停止标志 &,c``z
File tmpFile; //文件下载的临时信息 ZUVA EH%
DataOutputStream output; //输出到文件的输出流 PE}:ybsX
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) TZ(cu>
public SiteFileFetch(SiteInfoBean bean) throws IOException G-xDN59K
{ P"y`A}Bx
siteInfoBean = bean; H:t$'kb`
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); E9Np 0M<
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); b\vKJ2
if(tmpFile.exists ()) )vjh~ybZ
{ ;V*R*R
bFirst = false; ]h* c,.
read_nPos(); ]>LhkA@V
} 4)h]MOZ
else )Dw,q~xgg0
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nStartPos = new long[bean.getNSplitter()]; p^%YBY#,H
nEndPos = new long[bean.getNSplitter()];
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} tyXuG<
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} kP#B5K_U|
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public void run() L+Xc-uv["p
{ *1p|5!4c
//获得文件长度 5R@
//分割文件 \6E|pbJ}x
//实例FileSplitterFetch 0B@SN)<kH
//启动FileSplitterFetch线程 y .#")IAF
//等待子线程返回 Vr6@>@SC
try{ U3T#6Rptl
if(bFirst) cC=[Saatsf
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nFileLength = getFileSize(); f&eK|7J_Yf
if(nFileLength == -1) WG6FQAo^8
{ f,V<;s
System.err.println("File Length is not known!"); @ezH'y-v
} \m7-rV6r
else if(nFileLength == -2) R< ,`[* Z
{ -8eoNzut
System.err.println("File is not access!"); :3XA!o&.T3
} @&%'4j&+
else 2z6yn?'&L
{ <3xyjX'NE
for(int i=0;i<nStartPos.length;i++) x_|UPF
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); ~$iIVJ`
} P3cR l']
for(int i=0;i<nEndPos.length-1;i++) _LMM,!f
{ !>{G,\^=pT
nEndPos = nStartPos[i+1]; TH; R
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nEndPos[nEndPos.length-1] = nFileLength; {5%5}[/x
} %\D)u8}
} C~nzH,5
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//启动子线程 <,Ue
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fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ?ooe'V@
for(int i=0;i<nStartPos.length;i++) wfU7G[
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), .z)%)PVV
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), w[9|cgCY
nStartPos,nEndPos,i); PZE0}>z
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); 0Fk5kGD,&K
fileSplitterFetch.start(); :*ing
} 56+s~hG
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Y?
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); NLUT#!Gr
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", P|.] DJ
nEndPos = " + nFileLength); ]w;rfn9D
// fileSplitterFetch[nPos.length-1].start(); :rHJ4Tl
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//等待子线程结束 wF <n=
//int count = 0; XWA:J^
//是否结束while循环 3Mxp)uG/
boolean breakWhile = false; )-0kb~;|
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while(!bStop) (8Bk;bd
{ x^kp^
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write_nPos(); $^OvhnL/
Utility.sleep(500); =+U `-J}g
breakWhile = true; d]:I(9K
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for(int i=0;i<nStartPos.length;i++) Fs{x(_LOr
{ q;<h[b?
if(!fileSplitterFetch.bDownOver) ~aMlr6;
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breakWhile = false; ^cczJOxB
break; ^aH\7J@Y
} 5jd,{<
} 4a'N>eDR
if(breakWhile) b~'"^ Bts*
break; V,q](bg
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//count++; JHz
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//if(count>4) r30 <