/* !e'0jf-~
**SiteFileFetch.java }=hoATs
*/ ^dnz=FB
package NetFox; ),]2`w&k
import java.io.*; r^A#[-VyNP
import java.net.*; '95E;RV&
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public class SiteFileFetch extends Thread { N
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SiteInfoBean siteInfoBean = null; //文件信息Bean akhL\-d)al
long[] nStartPos; //开始位置 ,B %fjcn
long[] nEndPos; //结束位置 E ;!<Z4
FileSplitterFetch[] fileSplitterFetch; //子线程对象 ZjZh z`
long nFileLength; //文件长度 #t@x6Vt
boolean bFirst = true; //是否第一次取文件 )J+{oB[>b
boolean bStop = false; //停止标志 $}nh[@
File tmpFile; //文件下载的临时信息 S&3X~jD(1
DataOutputStream output; //输出到文件的输出流 N<06sRg#
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) F@$RV_M
public SiteFileFetch(SiteInfoBean bean) throws IOException )@,90Vhh
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siteInfoBean = bean; xIQ/$[&v
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); 0TO_1 0D
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); nU&NopD+*G
if(tmpFile.exists ()) \-
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{ S\9t4Ki_'
bFirst = false; zr.+'
read_nPos(); q#99iiG1
} TF=k(@9J?
else N^\2
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{ z!s.9
nStartPos = new long[bean.getNSplitter()]; G#e9$!
nEndPos = new long[bean.getNSplitter()]; d1V^2Hb?
} E- )VPZ1D
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public void run() v/R[?H)
{ Z5G]p4
//获得文件长度 Ot`LZ"H:
//分割文件 xF(
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//实例FileSplitterFetch \3Dk5cSDk+
//启动FileSplitterFetch线程 zoZ<)x=;
//等待子线程返回 C.J`8@a]?
try{ iq"ob8.
if(bFirst) rv9B}%e
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nFileLength = getFileSize(); FXP6zHsV
if(nFileLength == -1) ;V_.[aX
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System.err.println("File Length is not known!"); 6'xomRpYN
} 0QMTIAW6h
else if(nFileLength == -2) /g_9m
{ I=K!)X$
System.err.println("File is not access!"); S6v!GQ
} v*E(/}<v
else D.'h?^kA
{ qysTjGwa]
for(int i=0;i<nStartPos.length;i++) w8O" =},
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); NS`07 #z^
} !fY7"E{%%
for(int i=0;i<nEndPos.length-1;i++) YT>KJ
{ ^Ye\u1n4
nEndPos = nStartPos[i+1]; #/Ruz'H1>
} qv[[Q[RK-5
nEndPos[nEndPos.length-1] = nFileLength; M)&Io6>
} \(I0wEQo$
} TZ[Zm
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//启动子线程 /<);=&[
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; C5xag#Z1
for(int i=0;i<nStartPos.length;i++) !8sgq{x((
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fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), u*3NS$vH
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), F^QQ0h]2
nStartPos,nEndPos,i); `vd= ec
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); >ys[I0bo
fileSplitterFetch.start(); 62) d22
} H~noJIw#
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), $9 +YNgW>
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); *U;'OWE[
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", ]hA,LY f
nEndPos = " + nFileLength); )p<WDiX1!e
// fileSplitterFetch[nPos.length-1].start(); +oI3I~
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//等待子线程结束 -(i(02PX
//int count = 0; `s|]"'rX
//是否结束while循环 G O{.9_2
boolean breakWhile = false; )=J5\3O*x
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while(!bStop) {o0qUX>[
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write_nPos(); O:'?n8rWL
Utility.sleep(500); *)<B0SjT
breakWhile = true; o! OMm!
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for(int i=0;i<nStartPos.length;i++) *>NX%by)
{ n(1')?"mA
if(!fileSplitterFetch.bDownOver) iDoDwq!l_
{ jCioE
breakWhile = false; J@_ctGv
break; IvHh4DU3Z
} POAw M
} JTU#vq:TY
if(breakWhile) )w h%|
break; cc}Key@D
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//count++; {2&m`Dbm
//if(count>4) &<y2q/U}
// siteStop(); 1PH:\0}
} :#5xA?=*
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System.err.println("文件下载结束!"); 6at1bQ$
} rH8@69,B
catch(Exception e){e.printStackTrace ();} 0'5/K ,
} kDvc"
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//获得文件长度 \1"'E@+
public long getFileSize() g.py+
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{ 1Xu?(2;NF
int nFileLength = -1; Fd]\txOXj
try{ fq )vK
URL url = new URL(siteInfoBean.getSSiteURL()); KRAcnY;u
HttpURLConnection httpConnection = (HttpURLConnection)url.openConnection (); k%s_0
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httpConnection.setRequestProperty("User-Agent","NetFox"); %`MQmXgM
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int responseCode=httpConnection.getResponseCode(); Wj|alH9<
if(responseCode>=400) ncu`vYI.
{ {8$=[;
processErrorCode(responseCode); {S/yL[S.
return -2; //-2 represent access is error "@R>J?Cc+
} C%d_@*82
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String sHeader; K 0gI):
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