/* ,2`~ NPb
**SiteFileFetch.java Y=2Un).&
*/ JsQ6l%9
package NetFox; kX2d7yQZz
import java.io.*; l,d, T
import java.net.*; 6RK\}@^=K
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public class SiteFileFetch extends Thread { [B9 ;?G
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SiteInfoBean siteInfoBean = null; //文件信息Bean =|SdVv
long[] nStartPos; //开始位置 4#)6.f~
long[] nEndPos; //结束位置 &ao(!/im
FileSplitterFetch[] fileSplitterFetch; //子线程对象 @Zm Jz
long nFileLength; //文件长度 `ZGcgO<c\
boolean bFirst = true; //是否第一次取文件 4tJa-7
boolean bStop = false; //停止标志 5=Lq=,K$
File tmpFile; //文件下载的临时信息 1 Z[f
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DataOutputStream output; //输出到文件的输出流 kMxjS^fr
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) ^Mytp> 7
public SiteFileFetch(SiteInfoBean bean) throws IOException FtIa*j^G
{ w> 979g
siteInfoBean = bean; '*R%^RK
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); (-"`,8K 2}
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); X9XI;c;b-
if(tmpFile.exists ()) zxKCVRJ
{ tcL2J .
bFirst = false; :"'nK6>
read_nPos(); DWf$X1M
} h-mTj3p-K
else O4Dr ]Xc]
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nStartPos = new long[bean.getNSplitter()]; g}Qx`65:
nEndPos = new long[bean.getNSplitter()]; 4~|<`vqN
} x-_vl
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public void run() ;p Z[|
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//获得文件长度 q#[`KOPV
//分割文件 PC/!9s0W
//实例FileSplitterFetch ~UPZ<
//启动FileSplitterFetch线程 g.C5r]=+&
//等待子线程返回 }5b M1h#z
try{ Jqfm@Y
if(bFirst) +)/Uu3"=
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nFileLength = getFileSize(); E%3TP_B3
if(nFileLength == -1) 7z'ha?
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System.err.println("File Length is not known!"); 5w<A;f
} Yc#IFmC}
else if(nFileLength == -2) UI?=]"
{ J@#?@0]F
System.err.println("File is not access!"); c`kQvXx
} &drFQ|
else LWmB,
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for(int i=0;i<nStartPos.length;i++) rt!r2dq"
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nStartPos = (long)(i*(nFileLength/nStartPos.length)); wda';@y5(
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for(int i=0;i<nEndPos.length-1;i++) m5-9yQ=.
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nEndPos = nStartPos[i+1]; J^zi2jtV
} 2{oThef[O
nEndPos[nEndPos.length-1] = nFileLength; tT5pggml
} *g$i5!yM'
} :uK
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//启动子线程 ,XB%\[pKe
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; C`K^L=8`{
for(int i=0;i<nStartPos.length;i++) jP=Hf=:$
{ oln<yyDs
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), 7%d8D>uw8
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), qX6D1X1_
nStartPos,nEndPos,i); I%;Jpe
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); \l,rpVv5m
fileSplitterFetch.start(); 5%i:4sMx
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} <nzN $"%
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), Oh; Jw
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); <kc#thL
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", =G${[V\
nEndPos = " + nFileLength); .SS<MDcqIt
// fileSplitterFetch[nPos.length-1].start(); r>|-2}{N/
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//等待子线程结束 vg\/DbI'
//int count = 0; `_qK&&s
//是否结束while循环 wAF,H8 -DK
boolean breakWhile = false; jRQ+2@n{E
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while(!bStop) QLo(i
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write_nPos(); 5Ec/(-F
Utility.sleep(500); q``wt
breakWhile = true; }[!92WS/ee
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for(int i=0;i<nStartPos.length;i++) PHra+NY#A
{ j]5WK_~M
if(!fileSplitterFetch.bDownOver) ZFxLBb:
{ EX
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breakWhile = false; Vfs$VY2.
break; !:0v{ZQ
} ^[q /Mw
} 7@;">`zvm
if(breakWhile) ^mPPyT ,(
break; (03pJV&K
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