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package com.sun.enterprise.addons;
import java.io.File;
import java.net.URL;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.appserv.addons.AddonFatalException;
import com.sun.enterprise.addons.util.JarFileFilter;
import com.sun.enterprise.util.OS;
/**
* Utility class that computes the classpath setting
* for the addon. Classpath is
* AS_HOME/lib/*.jar;AS_HOME/lib/ant/lib/*.jar
*
* @since 9.1
* @author binod@dev.java.net
*/
class AddonClassPath {
private static final String CONFIG = "config";
private static final String ASENVCONF = "asenv.conf";
private static final String ASENVBAT = "asenv.bat";
private static final String ASANTREGEX = "(AS_ANT_LIB=)";
private static Logger logger = null;
static URL[] getClassPath(URL jar, String installRoot, Logger logr)
throws AddonFatalException {
logger = logr;
File asLib = new File (installRoot + File.separator + "lib");
File antLib = getAntLib(installRoot);
File[] asLibJars = asLib.listFiles(new JarFileFilter());
File[] antLibJars = antLib.listFiles(new JarFileFilter());
URL[] urls = new URL[asLibJars.length + antLibJars.length+1];
int i = 0;
try {
for (File asLibJar : asLibJars ) {
urls[i] = asLibJar.toURI().toURL();
i++;
}
for (File antLibJar : antLibJars ) {
urls[i] = antLibJar.toURI().toURL();
i++;
}
} catch (Exception e) {
throw new AddonFatalException(e);
}
urls[i] = jar;
return urls;
}
private static boolean isUnix() {
return OS.isUnix();
}
private static File getAntLib(String installDir) throws AddonFatalException{
BufferedReader bf = null;
FileInputStream in = null;
try {
String asenv="";
if(isUnix()) {
asenv = installDir + File.separator + CONFIG + File.separator +
ASENVCONF;
} else {
asenv = installDir + File.separator + CONFIG + File.separator +
ASENVBAT;
}
logger.log(Level.FINER, asenv);
in = new FileInputStream(asenv);
String antLib = "";
bf = new BufferedReader(new InputStreamReader(in));
String line = bf.readLine();
while(line != null) {
logger.log(Level.FINER,line);
String[] asantLine = line.split(ASANTREGEX);
if (asantLine.length > 1) {
if (isUnix()) {
asantLine = asantLine[1].split("\"");
}
antLib = asantLine[1];
logger.log(Level.FINER,"antLib "+antLib);
return new File(antLib);
}
line = bf.readLine();
}
return null;
}catch(Exception e) {
logger.log(Level.SEVERE,e.getMessage(), e);
throw new AddonFatalException(e);
} finally {
try {
if(bf != null)
bf.close();
if(in != null)
in.close();
} catch (Exception e) {
logger.log(Level.WARNING,e.getMessage(), e);
}
}
}
}