/* ,b!!h]t
**SiteFileFetch.java `vs=
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*/ O]rAo
package NetFox; Bwv@D4bii
import java.io.*; h&d%#6mB
import java.net.*; Qwl=/<p1
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public class SiteFileFetch extends Thread { ."9t<<!
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SiteInfoBean siteInfoBean = null; //文件信息Bean Fr/3Qp@S
long[] nStartPos; //开始位置 ^~~&[wY
long[] nEndPos; //结束位置 .XD7};g
FileSplitterFetch[] fileSplitterFetch; //子线程对象 *{/
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long nFileLength; //文件长度 OL+dx`Y
boolean bFirst = true; //是否第一次取文件 $U=E7JO
boolean bStop = false; //停止标志 q0|u vt"
File tmpFile; //文件下载的临时信息 h&Thq52R
DataOutputStream output; //输出到文件的输出流 >'IFr9&3
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) 242dT/j
public SiteFileFetch(SiteInfoBean bean) throws IOException ($a ?zJr
{ :EOx>Pf_9)
siteInfoBean = bean; 9$[I~I#z
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); 0uX"KL]Elf
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); v^;-w~?3
if(tmpFile.exists ()) WXz'H),R
{ |X&.+RI
bFirst = false; c`:hEQs
read_nPos(); {z)&=v@
} ~3k& =3d]
else `m2e
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{ BQYj"Wi
nStartPos = new long[bean.getNSplitter()]; 1 o<l;:
nEndPos = new long[bean.getNSplitter()]; Gok8:,
} .yz-o\,gF%
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} ftBbO8e
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public void run() LW?Zd=
{ 5rG&Z5
//获得文件长度 >r Nff!Ow
//分割文件 en\shc{R]`
//实例FileSplitterFetch [hy:BV6H+
//启动FileSplitterFetch线程 y!6+jrI
//等待子线程返回 !3~VoNh,
try{ :uM2cc^
if(bFirst) `x;8,7W;B
{ Z2z"K<Z W
nFileLength = getFileSize(); :,.g_@wvG
if(nFileLength == -1) U)oH@/q
{ eF8!}|*N
System.err.println("File Length is not known!"); k~|nU
} oicett=5
else if(nFileLength == -2) $`q8-+{
{ S<n3wR"^
System.err.println("File is not access!"); rE?(_LI
} %(4G[R[
else sA18f2
{ BKoc;20;
for(int i=0;i<nStartPos.length;i++) M1._{Jw5
{ StUiL>9T#
nStartPos = (long)(i*(nFileLength/nStartPos.length)); aQax85
} x'Z<
for(int i=0;i<nEndPos.length-1;i++) ; n2|pC^
{ 4m++>q
nEndPos = nStartPos[i+1]; c"ukV_6~J
} m35Blg34
nEndPos[nEndPos.length-1] = nFileLength; j7;v'eA`;7
} bH7[6#y$
} @Z$`c{V<
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//启动子线程 %hK?\Pg3=E
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; G~ZDXQ>5CP
for(int i=0;i<nStartPos.length;i++) < 4DWH
{ f~Dl;f~H_;
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), s{q)m@
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 9%\<x
nStartPos,nEndPos,i); S=O/W(ZB
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); +Q, 0kv
fileSplitterFetch.start(); G'XlsyaWrb
} &J|3uY,'j
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 02X ~' To"
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); s~$kzEtjjU
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", L1u
nEndPos = " + nFileLength); ie$QKoE
// fileSplitterFetch[nPos.length-1].start(); bo&!oY#
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//等待子线程结束 woZ'T
//int count = 0; ErF;5ec
//是否结束while循环 ]I"oS?
boolean breakWhile = false; R!xs;|]
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while(!bStop) rWbuoG+8
{ =mCUuY#
write_nPos(); P]2M
Utility.sleep(500); [ (tgoh/
breakWhile = true; iR4CY-
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for(int i=0;i<nStartPos.length;i++) '6{q;Bxo
{ ?[Q;275
if(!fileSplitterFetch.bDownOver) yY*OAC
{ ,*0>CBJvv
breakWhile = false; 3a#637%
break; Z5Ao3O@
} 6KhHS@Z
} ?7G?uk]3,@
if(breakWhile) .CI]8O"3y
break; 7&NRE"?G
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