/* JEWL)
**SiteFileFetch.java bTLMd$
*/ FXP6zHsV
package NetFox; b?_e+:\UV
import java.io.*; {=UFk-$=
import java.net.*; h+,'B&=|_
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public class SiteFileFetch extends Thread { qWsylC23
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SiteInfoBean siteInfoBean = null; //文件信息Bean q0,kDM66
long[] nStartPos; //开始位置 I=K!)X$
long[] nEndPos; //结束位置 NO-k-
FileSplitterFetch[] fileSplitterFetch; //子线程对象 'lJEHz\
long nFileLength; //文件长度 ?X\3&Ujy$
boolean bFirst = true; //是否第一次取文件 'X7%35Y
boolean bStop = false; //停止标志 >i
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File tmpFile; //文件下载的临时信息 CRH{E}>
DataOutputStream output; //输出到文件的输出流 #6Jc}g<?g
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) *GQDfs`m
public SiteFileFetch(SiteInfoBean bean) throws IOException %*wzO9w4
{ `79[+0hL'
siteInfoBean = bean; B:4Ka]{YO
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); I@2 uF-
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); pO%{'%RA
if(tmpFile.exists ()) 2w+U$6e C
{ lnS(&`oh\=
bFirst = false; xfjd5J7'
read_nPos(); #/Ruz'H1>
} ^+ZgWS^%
else lDN"atSf
{ qnB<k,8T
nStartPos = new long[bean.getNSplitter()]; N]NF\7(
nEndPos = new long[bean.getNSplitter()]; yuOS&+,P
} veeI==]
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} 9lf*O0Z&n
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public void run() JB3 "EFv
{ !8sgq{x((
//获得文件长度 HPg3`Ul
//分割文件 C{EAmv'
//实例FileSplitterFetch 3jjMY
//启动FileSplitterFetch线程 r-}-C!
//等待子线程返回 0}{'C5
try{ vw2`:]Q+
if(bFirst) {_?rh,9q
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nFileLength = getFileSize(); ! QM.P
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if(nFileLength == -1) j~;;l!({i
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System.err.println("File Length is not known!"); H{l)
} UXT
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else if(nFileLength == -2) ~C-,G"zw&G
{ )VSwTx&
System.err.println("File is not access!"); 'Gx$Bj
} NYwR2oX
else !\FkG8
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for(int i=0;i<nStartPos.length;i++) q2hFOm
{ %SrM|&[
nStartPos = (long)(i*(nFileLength/nStartPos.length)); M|q~6oM
} #] CFA9z
for(int i=0;i<nEndPos.length-1;i++) $&{ti.l
{ =-NiO@5o
nEndPos = nStartPos[i+1]; O.,3|
} !gF9k8\Yr$
nEndPos[nEndPos.length-1] = nFileLength; :4:N f
} r> k-KdS
} u: &o}[
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//启动子线程 ]PWDE"
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ^Dg<Ki
for(int i=0;i<nStartPos.length;i++) sV/l5]b]
{ O:'?n8rWL
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), UDy(dn>J:J
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), W3r?7!~
nStartPos,nEndPos,i); uI~s8{0T6
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); aZ X mlq
fileSplitterFetch.start(); ~gE:-
} L[g0&b%%-
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), *>NX%by)
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); hA}~es=c
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", P?LlJ5hn
nEndPos = " + nFileLength); %ft &Q
// fileSplitterFetch[nPos.length-1].start(); iCj2"T4TN
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//等待子线程结束 (Glr\q]jF\
//int count = 0; =w$tvo/
//是否结束while循环 =-KMb`xT
boolean breakWhile = false; 8j5<6Cv_
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while(!bStop) HDVW0QaMu
{ 0v)bA}k
write_nPos(); %zBCq"y
Utility.sleep(500); JhHWu<
breakWhile = true; 7 <9yH:1
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for(int i=0;i<nStartPos.length;i++) JIm4vS
{ HOoPrB m
if(!fileSplitterFetch.bDownOver) (#D*Pl
{ OFk8 >"|
breakWhile = false; WIr2{+#
break; 'G&{GVbXY
} G7GZDi
} P>i%7:OMZA
if(breakWhile) P 1XK*GZ
break; ritBU:6
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