/* ,oW8im
**SiteFileFetch.java 2Z ?
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*/ Hkc:B/6
package NetFox; 9$9Pv%F:j
import java.io.*; nUAs:Q
import java.net.*; c'9-SY1'~
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public class SiteFileFetch extends Thread { Iw?M>'l
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SiteInfoBean siteInfoBean = null; //文件信息Bean u6~|].j R
long[] nStartPos; //开始位置 u}Q@u!~e9
long[] nEndPos; //结束位置 K1P3
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FileSplitterFetch[] fileSplitterFetch; //子线程对象 uW.)(l
long nFileLength; //文件长度 nDR)UR
boolean bFirst = true; //是否第一次取文件 =w~phn
boolean bStop = false; //停止标志 SI:+I4i
File tmpFile; //文件下载的临时信息 {y{&tzZ
DataOutputStream output; //输出到文件的输出流 HWr")%EhD
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//负责整个文件的抓取,控制内部线程(FileSplitterFetch类) #+1*g4m~B
public SiteFileFetch(SiteInfoBean bean) throws IOException ]LvpYRU$P
{ [*-DtbEk
siteInfoBean = bean; ODGOWw0
//tmpFile = File.createTempFile ("zhong","1111",new File(bean.getSFilePath())); \#bk$R@
tmpFile = new File(bean.getSFilePath()+File.separator + bean.getSFileName()+".info"); 6 u3$ .Q
if(tmpFile.exists ()) UTatcn
{ hM!D6: t
bFirst = false; :Fm{U0;"
read_nPos(); 5"f')MKUV9
} EM_`` 0^
else zh hHA9
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nStartPos = new long[bean.getNSplitter()]; 4XkSj9D~z
nEndPos = new long[bean.getNSplitter()]; IC-k
} 0NY2Kw;
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} I_Q*uH.Y 5
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public void run() =YPvh]][
{ P1f?'i?J
//获得文件长度 ")l_>y?
//分割文件 UB3b
//实例FileSplitterFetch z 0;+.E!
//启动FileSplitterFetch线程 ! H)D@,@ &
//等待子线程返回 MIcF"fB![
try{ K-$gTV
if(bFirst) l\=M'D
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nFileLength = getFileSize(); l
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if(nFileLength == -1) c}nXMA^^
{ L0_qHLY
System.err.println("File Length is not known!"); OUY65K
} (
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else if(nFileLength == -2) :*wnO;eN
{ jk0Ja@8PK
System.err.println("File is not access!"); C0\A
} AiXxn'&i
else P^-tGo!
{ SwESDo)
for(int i=0;i<nStartPos.length;i++) 0K-jF5i$`
{ 3P1OyB
nStartPos = (long)(i*(nFileLength/nStartPos.length)); tHhA_
} ,q
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for(int i=0;i<nEndPos.length-1;i++) !]tZE%?
{ LbGyD;#_
nEndPos = nStartPos[i+1]; c&Pgz~iP
} MB,;HeP!
nEndPos[nEndPos.length-1] = nFileLength; _v2K1 1
} ;c5Q"
} "{0
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//启动子线程 sjLI^#a
fileSplitterFetch = new FileSplitterFetch[nStartPos.length]; Vi~9[&.E\!
for(int i=0;i<nStartPos.length;i++) em@\S
{ kc d~`+C
fileSplitterFetch = new FileSplitterFetch(siteInfoBean.getSSiteURL(), pZRKM<k
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(), 9}`A_KzFx
nStartPos,nEndPos,i); p]*BeiT#n%
Utility.log("Thread " + i + " , nStartPos = " + nStartPos + ", nEndPos = " + nEndPos); i%7b)t[y
fileSplitterFetch.start(); ~
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} ;C8'7
// fileSplitterFetch[nPos.length-1] = new FileSplitterFetch(siteInfoBean.getSSiteURL(), YadY?o./
siteInfoBean.getSFilePath() + File.separator + siteInfoBean.getSFileName(),nPos[nPos.length-1],nFileLength,nPos.length-1); A&i
// Utility.log("Thread " + (nPos.length-1) + " , nStartPos = " + nPos[nPos.length-1] + ", hB#z8D
nEndPos = " + nFileLength); i[b?W$]7
// fileSplitterFetch[nPos.length-1].start(); cGw* edgp6
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//等待子线程结束 3IqYp K(s
//int count = 0; n237%LH[
//是否结束while循环 lgC|3]
boolean breakWhile = false; J7R+|GTcx
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while(!bStop) 'J^E|1P
{ C[$uf
write_nPos(); )1H$5h
Utility.sleep(500); N{@kgc
breakWhile = true; ^Bihm] Aq
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for(int i=0;i<nStartPos.length;i++) %gB 0\C
{ |[x) %5F
if(!fileSplitterFetch.bDownOver) W! FmC$Kc
{ Z7&Bn