/* cpu+"/\
**SiteFileFetch.java -s:JD J*
*/ <pK;D
package NetFox; !l.Rv_o<O
import java.io.*; D!qtb6<.
import java.net.*; =k3QymA
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public class SiteFileFetch extends Thread { e<iTU?eJM
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SiteInfoBean siteInfoBean = null; //文件信息Bean t M A
long[] nStartPos; //开始位置 ,!sAr;Rk`
long[] nEndPos; //结束位置 RoJ&dK
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Sq(=Bn6E
long nFileLength; //文件长度 ks(PH6:]<
boolean bFirst = true; //是否第一次取文件 kE6\G}zj
boolean bStop = false; //停止标志 1DZGb)OU
File tmpFile; //文件下载的临时信息 DU}q4u@)
DataOutputStream output; //输出到文件的输出流 M&Ycw XV:Z
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) F!zZIaB]
public SiteFileFetch(SiteInfoBean bean) throws IOException `DWzp5Ax
{ <@;e N&
siteInfoBean = bean; $5il]D`
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); i}+dctg/
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); :Tj,;0#/
if(tmpFile.exists ()) '|WMt g
{ f"k/j?e*
bFirst = false; 8MW|CM4Q
read_nPos(); 3@6f%Dyj
} E.6^~'/
else Yng9_w9Y
{ .0\Wu+
nStartPos = new long[bean.getNSplitter()]; 0{A VH/S
nEndPos = new long[bean.getNSplitter()];
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} G=~T)e
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} p?Yovckm
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public void run() ^f3F~XhY3
{ hnE@+(d=qJ
//获得文件长度 \Sm.]=br
//分割文件 1j0yON
//实例FileSplitterFetch n%"s_W'E
//启动FileSplitterFetch线程 <niHJ*
//等待子线程返回 zFQxW4G
try{ Q&n
if(bFirst) .bnoK
{ |? r,W~9`
nFileLength = getFileSize(); 6Y}#vZ
if(nFileLength == -1) 2psLX
{ ,F:l?dfB\I
System.err.println("File Length is not known!"); oVmGZhkA@'
} |y;+xEl6
else if(nFileLength == -2) "d.qmM
{ j##IJm
System.err.println("File is not access!"); :/Sx\Nz78
} pN%L3?2
else q[dls_
{ R<k4LHDy
for(int i=0;i<nStartPos.length;i++) t3U*rr|A
{ DZLSn Ax
nStartPos = (long)(i*(nFileLength/nStartPos.length)); na8A}\!<
} oN)K2&M0
for(int i=0;i<nEndPos.length-1;i++) ^5"s3Qn
{ t;y>q
nEndPos = nStartPos[i+1]; t^u X9yvx
} {\lu; b!
nEndPos[nEndPos.length-1] = nFileLength; h'kgL~+$
} f4X?\e GT
} uCUQxFp
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//启动子线程 SV8rZWJ
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; 9\Yj`,i5
for(int i=0;i<nStartPos.length;i++) }bix+/]
{ D97oS!*
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), \JN<