/* }Xr-xh\v
**SiteFileFetch.java h
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*/ MGfDxHg]
package NetFox; @HxEp;*NH"
import java.io.*; 6b~Zv$5^Y-
import java.net.*; ]{{A/ j\
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public class SiteFileFetch extends Thread { nW3-)Q89
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SiteInfoBean siteInfoBean = null; //文件信息Bean ;o8C(5xE|
long[] nStartPos; //开始位置 ,=O`'l>K
long[] nEndPos; //结束位置 dFS>uIT7X
FileSplitterFetch[] fileSplitterFetch; //子线程对象 +(x^5~QX
long nFileLength; //文件长度 O%H_._#N`
boolean bFirst = true; //是否第一次取文件 l9lBhltOH
boolean bStop = false; //停止标志 1 "?KQU
File tmpFile; //文件下载的临时信息 x9Fga _
DataOutputStream output; //输出到文件的输出流 g34<0%6jd
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) PEac0rSW
public SiteFileFetch(SiteInfoBean bean) throws IOException ];Z)=y,vM
{ <gF=$u|}3[
siteInfoBean = bean; P9p:x6
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); SUINV_>7
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); _G|hKk^,
if(tmpFile.exists ()) K 4QJDC8
{ HYyO/U9z|I
bFirst = false; p~6/+ap
read_nPos(); "+/%s#&
} K*&M:u6E
else z6ISJb
{ DZ92;m
nStartPos = new long[bean.getNSplitter()]; &)JQ6J_|\
nEndPos = new long[bean.getNSplitter()]; =.(yOUI
} >A5R
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} $h`(toTyF
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public void run() GL[#XB>n
{ gKeqf-UWKJ
//获得文件长度 NdGIH/Y;M
//分割文件 p4Cw#)BaS
//实例FileSplitterFetch ZQXv-"
//启动FileSplitterFetch线程 u?5d%]*
//等待子线程返回 R''nZ/R
try{ S-}MS"
if(bFirst) fOJ0#^Z
{ %tul(Z~<1
nFileLength = getFileSize(); [Oen{c9A
if(nFileLength == -1) %KHO}gad1
{ >/mi#Y6
System.err.println("File Length is not known!"); D9,609w
} {*,~,iq
else if(nFileLength == -2) "X0"=1R~
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System.err.println("File is not access!"); 'kb5pl~U
} mbB,j~;^6H
else g\S@@0T{0
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for(int i=0;i<nStartPos.length;i++) JBfDz0P
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); vw5f.8T;w
} Z:DEET!c'k
for(int i=0;i<nEndPos.length-1;i++) RO[Ko-m|/N
{ ph{p[QI:{X
nEndPos = nStartPos[i+1]; $&~/`MxE
} O4RNt,?l
nEndPos[nEndPos.length-1] = nFileLength; ~\kJir
} s7.2EkGl=
} kP~'C'5Ys
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//启动子线程 ]x1MB|a6
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; W,"|([t4.\
for(int i=0;i<nStartPos.length;i++) 9zSHn.y
{ CT,caa
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), DP\s-JpI[
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 'QGacV
nStartPos,nEndPos,i); B?Ac
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); KwK[)Cvv
fileSplitterFetch.start(); x{{QS$6v
} !$Aijd s5
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ]T|9>o!
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); Xou1X$$z
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", [p[nK=&r
nEndPos = " + nFileLength); j(^ot001%v
// fileSplitterFetch[nPos.length-1].start(); maAZI-H{
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//等待子线程结束 AzAD76iNv
//int count = 0; \$:KfN>WY
//是否结束while循环 F x,08
boolean breakWhile = false; ?~~sOf AP
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while(!bStop) ah<1&UG,
{
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write_nPos(); I@Zd<