/* =ea.+
**SiteFileFetch.java S0tkqA4
*/ 0g;)je2_2?
package NetFox; Z]w?RL
import java.io.*; qLPuKIF
import java.net.*; 1ASoH,D/
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public class SiteFileFetch extends Thread { IL1iTRH
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SiteInfoBean siteInfoBean = null; //文件信息Bean v o4U%
long[] nStartPos; //开始位置 K
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long[] nEndPos; //结束位置 oQA,57B
FileSplitterFetch[] fileSplitterFetch; //子线程对象 Q/q>mN"#1
long nFileLength; //文件长度 ExM VGe
boolean bFirst = true; //是否第一次取文件 .K]Uk/W
boolean bStop = false; //停止标志 >?#zPweA
File tmpFile; //文件下载的临时信息 R9(Yi<CC
DataOutputStream output; //输出到文件的输出流 Dr76+9'i
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) E3]
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public SiteFileFetch(SiteInfoBean bean) throws IOException :5F(,Z_
{ l"7#(a
siteInfoBean = bean; ;XQ27,K&
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); !zsrORF{
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); kZ PL$\/A
if(tmpFile.exists ())
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{ %@:6&
bFirst = false; |+KwyHE`9
read_nPos(); ?\)h2oi!F5
} %E"v@
else JL>frS3M
{ UZs'H"K
nStartPos = new long[bean.getNSplitter()]; :>/6:c?atG
nEndPos = new long[bean.getNSplitter()]; CYlS8j
} -$X4RS
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public void run() LlS~J K
{ 2[;~@n1P
//获得文件长度 |fW_9={1kQ
//分割文件 kv6nVlI)B
//实例FileSplitterFetch K- $,:28
//启动FileSplitterFetch线程 &YcOmI/MM
//等待子线程返回 N:okt)q:%
try{ "$aoI Xv
if(bFirst) B,&QI&k`~
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nFileLength = getFileSize(); ##}7cFX
if(nFileLength == -1) A2;6Vz=z
{ hu1ZckIw?
System.err.println("File Length is not known!"); rL&Mq}7QK
} jEwt1S V
else if(nFileLength == -2) c&x1aF "B
{ :5.F
System.err.println("File is not access!"); V#5$J Xp
} /[D_9
else U82mO+}
{ *G7cF
for(int i=0;i<nStartPos.length;i++) P-nhG
{ mU~&oU
nStartPos = (long)(i*(nFileLength/nStartPos.length)); N'-[>w7vK2
} U$<"
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for(int i=0;i<nEndPos.length-1;i++) 89;@#9
{ 6Ol9P56j
nEndPos = nStartPos[i+1]; H9PnJr8 \
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nEndPos[nEndPos.length-1] = nFileLength; X:I2wJDs\
}
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} hF$qH^-c*A
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//启动子线程 [0hahR
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; Lr5{c5M
for(int i=0;i<nStartPos.length;i++) 01n132k
{ y4LUC;[n
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), ggiy{CdR
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), <9piKtb|L
nStartPos,nEndPos,i); lSW'qgh
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); IM7<z,* oF
fileSplitterFetch.start(); z#ki# o
} ]@ke_'
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// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), i;U*Y
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siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); "M!m-]
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", 6
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nEndPos = " + nFileLength); UAT\ .
// fileSplitterFetch[nPos.length-1].start(); 9cUa@;*1
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//等待子线程结束 |/^S%t6*
//int count = 0; gBi3^GxjM?
//是否结束while循环 3l45(%g+
boolean breakWhile = false; (XW'1@b
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while(!bStop) (tOhuSW
{ G_J}^B*?%v
write_nPos(); \~z$'3H`
Utility.sleep(500); LiV&47e*>
breakWhile = true; Hz."4nhv
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for(int i=0;i<nStartPos.length;i++)
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if(!fileSplitterFetch.bDownOver) kY'Wf`y(
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