/* +NiCt S
**SiteFileFetch.java <zAYq=IU
*/ 6V#EEb
package NetFox; )me`Ud
import java.io.*; 2Je]dj4
import java.net.*; -_O jiQR
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public class SiteFileFetch extends Thread { }-u%6KZ
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SiteInfoBean siteInfoBean = null; //文件信息Bean 6)20%*[
long[] nStartPos; //开始位置 (qz)3Fa
long[] nEndPos; //结束位置 7QoMroR
FileSplitterFetch[] fileSplitterFetch; //子线程对象 \F""G,AWq{
long nFileLength; //文件长度 K5jeazasp
boolean bFirst = true; //是否第一次取文件 8yH)9#>
boolean bStop = false; //停止标志 7;&,LH
File tmpFile; //文件下载的临时信息 Sn'
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DataOutputStream output; //输出到文件的输出流 ,g,Hb\_R)
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) pmO0/ty
public SiteFileFetch(SiteInfoBean bean) throws IOException i` ay9J8N
{ ,@Kn@%?$
siteInfoBean = bean; ]e+&Pxw]e
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); XGjFb4Tw7
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); QBN\wL8g
if(tmpFile.exists ()) v53|)]V
{ ~03MH'
bFirst = false; RAuVRm=E
read_nPos(); w8 `1'*HG
} #l3)3k*;
else Tf?`_jL
{ !_B*Po
nStartPos = new long[bean.getNSplitter()]; sH >zsc
nEndPos = new long[bean.getNSplitter()]; rUAt`ykTmN
} _-9cGm v
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} n+i=Ff
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public void run() ErQ6a%~,
{ UP%6s:>:
//获得文件长度 hhFO,
//分割文件 7T t!hf
//实例FileSplitterFetch ]0j_yX
//启动FileSplitterFetch线程 !]RSG^%s{
//等待子线程返回 mZjpPlJ
try{ xtLP4VL
if(bFirst) x;Slv(|M
{ _+(@?
nFileLength = getFileSize(); ,|.}6\zl*{
if(nFileLength == -1) ik;F@kdm`
{ tV>qV\>
System.err.println("File Length is not known!"); N]6t)Zv
} e0otr_)3F
else if(nFileLength == -2) %~PT7"4
{ }&==;7,O
System.err.println("File is not access!"); \j3dB
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} ?,8+1"|$A]
else ju.pQ=PSX
{ rPqM&&+
for(int i=0;i<nStartPos.length;i++) a(D=ZKbVU
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); ~1 31|e`C
} p8?v
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for(int i=0;i<nEndPos.length-1;i++) ecR)8^1 '
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nEndPos = nStartPos[i+1]; 6 . )Xeb"
} 3eXIo=
nEndPos[nEndPos.length-1] = nFileLength; vLyazVj..
} H\\FAOj
} 5Z5x\CcC3
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//启动子线程 t8rFn
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; D|Wlq~IpQ
for(int i=0;i<nStartPos.length;i++) Kfr1k
{ kxJ[Bi#
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), j0V/\Ep)T<
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), ;ko6igx)+
nStartPos,nEndPos,i); )5gj0#|CG@
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); 7')W+`o8eL
fileSplitterFetch.start(); VuH ->
} <JU3sXl
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), "k{so',7z
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); =WBfaxL}
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", TsG x2[
nEndPos = " + nFileLength); Q~VM.G
// fileSplitterFetch[nPos.length-1].start(); /kg#i&bP~
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//等待子线程结束 P)J-'2{
//int count = 0; js@L%1r#L
//是否结束while循环 6Io}3}3
boolean breakWhile = false; zB~< @
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while(!bStop) WvSm!W
{ V[K N,o{6
write_nPos(); pt,L
Utility.sleep(500); a !%,2|U
breakWhile = true; ;l
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