/* :AFU5mR4&
**SiteFileFetch.java dhxzW@'nIL
*/ 9+@z:j
package NetFox; &v1E)/q{Z
import java.io.*; ?u:mscb
import java.net.*; <pa-C2Ky
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public class SiteFileFetch extends Thread { (jhi<eV
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SiteInfoBean siteInfoBean = null; //文件信息Bean V#.pi zb
long[] nStartPos; //开始位置 O;V^Fk(
long[] nEndPos; //结束位置 &=M4Z/Ao
FileSplitterFetch[] fileSplitterFetch; //子线程对象 ')yYpWO
long nFileLength; //文件长度 cC/32SmY4
boolean bFirst = true; //是否第一次取文件 A-3^~aEgx
boolean bStop = false; //停止标志 $M0l
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File tmpFile; //文件下载的临时信息 e&:%Rr]x
DataOutputStream output; //输出到文件的输出流 ?SO!INJ
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) /U!B2%vq_
public SiteFileFetch(SiteInfoBean bean) throws IOException 8au Gz
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{ X[$|I9
siteInfoBean = bean; nsXG@C S:
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath()));
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tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); cfv:Ld m
if(tmpFile.exists ()) &nVekE:!
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bFirst = false; +$VDV4l
read_nPos(); p<0=. ~
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else -Q5UT=^
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nStartPos = new long[bean.getNSplitter()]; <"`f!k#[
nEndPos = new long[bean.getNSplitter()]; LD
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} %(6+{'j~#
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} o$% KbfXO]
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public void run() \nuzl
{ '~f*O0_
//获得文件长度 /g9^g(
//分割文件 HN/YuP03[
//实例FileSplitterFetch VSCKWYy
//启动FileSplitterFetch线程 c2:,
//等待子线程返回 _7;G$\^&.
try{ -6s]7#IC
if(bFirst) A/}[Z\C
{ 0LzS #J+
nFileLength = getFileSize(); f>cUdEPBb
if(nFileLength == -1) 76 o[qay
{ :@E^oNKa0
System.err.println("File Length is not known!"); N.]~%)K:{
} roG<2i F
else if(nFileLength == -2) ,aP5)ZN-
{ be_h
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System.err.println("File is not access!"); Gf.xr%mUZr
} ^!k_"C)B
else vmOye/?k
{ =u0a/2u|
for(int i=0;i<nStartPos.length;i++) B>d49(jy
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); 32anmVnf
} Yh"9,Z&wiR
for(int i=0;i<nEndPos.length-1;i++) Lr\(7r
{ fMW=ss^fu-
nEndPos = nStartPos[i+1]; zT/woiyB`
} glM42s
nEndPos[nEndPos.length-1] = nFileLength; 67}8EV!/k
} 0v1~#KCm
} o@j!J I&
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//启动子线程 RCK* ?\m5
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; P&Xy6@%[Z
for(int i=0;i<nStartPos.length;i++) 3qNuv];2
{ 8/,s8u
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), -{d(~XIo
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), [6.<#_~{
nStartPos,nEndPos,i); F60m]NUM)c
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); }I`o%GL
fileSplitterFetch.start(); |r+hj<K
} c1*^
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// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), i{Q,>Rt
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); v6x jLP;O
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", NP~3!b
nEndPos = " + nFileLength); t I9p2!
// fileSplitterFetch[nPos.length-1].start(); ^y|`\oyqwN
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//等待子线程结束 LT,zk)5
//int count = 0; MfFmJ7>Bg
//是否结束while循环 kqC7^x
boolean breakWhile = false; we*E}U4
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while(!bStop) .0X 5Vy
{ biQ~q$E
write_nPos(); oVfRp.a
Utility.sleep(500); Q5Mn=
breakWhile = true; uBM%E OE
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for(int i=0;i<nStartPos.length;i++) y,<\d/YY@
{ ah!RQ2hDrV
if(!fileSplitterFetch.bDownOver) a'my0m
{ scd}{Y
breakWhile = false; "#%9dWy
break; j(_6.zf
} o1&Oug
} <2I<Z'B,e
if(breakWhile) 6WLq>Jo
break; *zX^Sg-[
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