/* -n:2US<
**SiteFileFetch.java (
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*/ +aL6$
package NetFox; ^aaj=p:cV
import java.io.*; oX6Cd:c-
import java.net.*; yc0
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public class SiteFileFetch extends Thread { iu{y.}?
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SiteInfoBean siteInfoBean = null; //文件信息Bean 2-S}#S}2C
long[] nStartPos; //开始位置 1drg5
long[] nEndPos; //结束位置 k1[`2k:Hk
FileSplitterFetch[] fileSplitterFetch; //子线程对象 "4XjABJ4'
long nFileLength; //文件长度 NiG&Lw*8
boolean bFirst = true; //是否第一次取文件 41R~.?
boolean bStop = false; //停止标志 Vb 36R_u
File tmpFile; //文件下载的临时信息 (ht"wY#T<(
DataOutputStream output; //输出到文件的输出流 w[2E:Nj
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) $zz4A~
public SiteFileFetch(SiteInfoBean bean) throws IOException |QrVGm@2
{ QP%AJ[3ea%
siteInfoBean = bean; )~)T[S
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); OfLj 4H6Q
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); =>*}qen
if(tmpFile.exists ()) )m-(- I
{ 7\dt<VV
bFirst = false; x+sSmW
read_nPos(); }T%E;m-
} ^g'uR@uU
else EhW@iYL
{ :hHKm|1FE
nStartPos = new long[bean.getNSplitter()]; V\Lh(zPt
nEndPos = new long[bean.getNSplitter()]; |}l/6WHB
} y] Q/(O
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} p3%cb?G%w
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public void run() zPvTRW~H\
{ NR^Z#BU
//获得文件长度 gYL#} ) g
//分割文件 787i4h:71
//实例FileSplitterFetch y_IF{%i
//启动FileSplitterFetch线程 * se),CP!s
//等待子线程返回 @M*5q# s
try{ <SRSJJR|(
if(bFirst) [c>YKN2qa
{ kDKfJp&a
nFileLength = getFileSize(); -z/>W+k
if(nFileLength == -1) o>M&C
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{ ?f6Fj
System.err.println("File Length is not known!"); mqQ//$Y
} B3u:D"t
else if(nFileLength == -2) BBoVn^Z*R
{ Mc|UD*Z
System.err.println("File is not access!"); E-rGOm" m
} c"'JMq
else ;>p{|^X0D
{ %Y].i/".;P
for(int i=0;i<nStartPos.length;i++) Yv;iduc('
{ #w[Ie+
nStartPos = (long)(i*(nFileLength/nStartPos.length)); !"^//2N+,
} m!<uY?,hf
for(int i=0;i<nEndPos.length-1;i++) y#{> tC
{ d_Y7/_i
nEndPos = nStartPos[i+1]; k8sjW!2
} 5,V3_p:)VI
nEndPos[nEndPos.length-1] = nFileLength; K30{Fcb< h
} 1`&"U[{
} tw]Q5:6
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//启动子线程 9r,7>#IF
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; SnW>`
for(int i=0;i<nStartPos.length;i++) [)p>pA2GZj
{ ?F%,d{^
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ON3~!Q)
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 3hzKd_
nStartPos,nEndPos,i); bu r0?q
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); Oc?]L&a