/* ~kj(s>xP
**SiteFileFetch.java 7>2j=Y_Kp
*/ S"KTL *9D
package NetFox; ~\)&{'
import java.io.*; jC/JiI
import java.net.*; B1d%#
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public class SiteFileFetch extends Thread { SbPjU50
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SiteInfoBean siteInfoBean = null; //文件信息Bean >h!.Gj
long[] nStartPos; //开始位置 8v)~J}[ Bz
long[] nEndPos; //结束位置 !{]v='
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Y^jnlS)h
long nFileLength; //文件长度 S^Wqa:;
boolean bFirst = true; //是否第一次取文件 P{i8
boolean bStop = false; //停止标志 <k-@R!K~JC
File tmpFile; //文件下载的临时信息 U70@}5!
DataOutputStream output; //输出到文件的输出流 R8r[;u\iV
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) l LD)i J1
public SiteFileFetch(SiteInfoBean bean) throws IOException ,Y\4xg*`
{ ^cmP
siteInfoBean = bean; h$ETH1Ue
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); X_s G6Q@
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); h&k^l,
if(tmpFile.exists ()) t!=~5YgKs
{ b1,T!xL
bFirst = false; 7Yw\%}UL
read_nPos(); F{H0
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} -< dMD_
else ?9r,Y;,H
{ G}dOx}kT
nStartPos = new long[bean.getNSplitter()]; Lq
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nEndPos = new long[bean.getNSplitter()]; a4a[pX,5
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} }Mb'tGW
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public void run() hq8/`u
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{ zUUxxS_?
//获得文件长度 _~S^#ut+
//分割文件 zju,#%
//实例FileSplitterFetch "MS`d+rf\
//启动FileSplitterFetch线程 a9EI7pnq
//等待子线程返回 *~<]|H5~
try{ E5[]eg~w%{
if(bFirst) E=_B@VJknW
{ wyzBkRg.
nFileLength = getFileSize(); >yT@?!/Q>'
if(nFileLength == -1) zm3MOH^a
{ AGJ=de.
System.err.println("File Length is not known!"); 8.%a"sxr
} OD/P*CQ_
else if(nFileLength == -2) HxqV[|}0u
{ 9@z|2z2\G
System.err.println("File is not access!"); %K7EF_%
} v/00LR
else >RqT7n8h
{ y:[VRLo
for(int i=0;i<nStartPos.length;i++) ZNC?Ntw
{ /2\=sTd
nStartPos = (long)(i*(nFileLength/nStartPos.length)); NF\^'W@N
} UE`4$^qs
for(int i=0;i<nEndPos.length-1;i++) $*)(8C l
{ 10I`AjF0
nEndPos = nStartPos[i+1]; U;Y}2
} aj'8;E+
nEndPos[nEndPos.length-1] = nFileLength; rIWN!@.J
} h`;F<PFW
} yJ`1},^
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//启动子线程 Rb}&c)4
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; ^`r|3c0
for(int i=0;i<nStartPos.length;i++) [BR}4(7
{ H[!Q
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), f,
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), u-M$45vct
nStartPos,nEndPos,i); rKs WS~U
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); ?O>JtEz~lQ
fileSplitterFetch.start(); L\?g/l+k
} W;g+R-
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), . N} }cJq
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); @NwM+^
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", f{5|}PL
nEndPos = " + nFileLength); SU}oKii
/
// fileSplitterFetch[nPos.length-1].start(); AXv;r<
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//等待子线程结束 3)Awj++
//int count = 0; ,<j5i?
//是否结束while循环 I;.E}k
boolean breakWhile = false; Q2pboZ86
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while(!bStop) 78inh%
{ eh7r'DmAR
write_nPos(); nMdN$E
Utility.sleep(500); ^5 =E`q".
breakWhile = true; }xlmsOHuI
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for(int i=0;i<nStartPos.length;i++) Odjd`DD1
{ M"l rwun^
if(!fileSplitterFetch.bDownOver) oUKbzr/C
{ F`V[G(f+r
breakWhile = false; qg:I+"u
break; Rf0\CEc
} JEF7hJz~
} ${6'
if(breakWhile) gw"l&