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package com.sun.enterprise.config.modularity.customization;
import com.sun.enterprise.config.modularity.ConfigModularityUtils;
import com.sun.enterprise.config.modularity.annotation.HasCustomizationTokens;
import com.sun.enterprise.config.util.ConfigApiLoggerInfo;
import com.sun.enterprise.module.ModulesRegistry;
import com.sun.enterprise.module.single.StaticModulesRegistry;
import com.sun.enterprise.util.LocalStringManager;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.SystemPropertyConstants;
import org.glassfish.hk2.api.ServiceLocator;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* @author Masoud Kalali
*/
public class CustomizationTokensProvider {
private static final Logger LOG = ConfigApiLoggerInfo.getLogger();
private static final LocalStringManager strings =
new LocalStringManagerImpl(CustomizationTokensProvider.class);
private ServiceLocator locator;
ConfigModularityUtils mu;
public List<ConfigCustomizationToken> getPresentConfigCustomizationTokens() throws
NoSuchFieldException, IllegalAccessException {
String runtimeType = "admin";
initializeLocator();
mu = locator.getService(ConfigModularityUtils.class);
List<Class> l = mu.getAnnotatedConfigBeans(HasCustomizationTokens.class);
List<ConfigCustomizationToken> ctk = new ArrayList<ConfigCustomizationToken>();
Set s = new HashSet();
for (Class cls : l) {
if (!s.contains(cls)) {
ctk.addAll(getTokens(cls, runtimeType));
s.add(cls);
}
}
return ctk;
}
/**
* The tokens that are returned by this method will be used directly without consulting the portbase, etc.
* e.g if the value is 24848 then that is to be used as the system-property value.
*
* @return List of tokens to be used for default-config.
* @throws NoSuchFieldException
* @throws IllegalAccessException
*/
public List<ConfigCustomizationToken> getPresentDefaultConfigCustomizationTokens() throws
//TODO it is required to change the file format so that default tokens can be introduced at file level
NoSuchFieldException, IllegalAccessException {
String runtimeType = "admin";
initializeLocator();
mu = locator.getService(ConfigModularityUtils.class);
List<Class> l = mu.getAnnotatedConfigBeans(HasCustomizationTokens.class);
List<ConfigCustomizationToken> ctk = new ArrayList<ConfigCustomizationToken>();
Set s = new HashSet();
for (Class cls : l) {
if (!s.contains(cls)) {
ctk.addAll(getTokens(cls, runtimeType));
s.add(cls);
}
}
Iterator<ConfigCustomizationToken> it = ctk.iterator();
while(it.hasNext()){
ConfigCustomizationToken c =it.next();
if (c.getCustomizationType().equals(ConfigCustomizationToken.CustomizationType.FILE) ||
c.getCustomizationType().equals(ConfigCustomizationToken.CustomizationType.STRING)
) {
it.remove();
continue;
}
int defaultPortNumberForDefaultConfig = Integer.parseInt(c.getValue()) + 20000;
c.setValue(String.valueOf(defaultPortNumberForDefaultConfig));
}
return ctk;
}
private List<ConfigCustomizationToken> getTokens(Class configBean, String runtimeType) {
List<ConfigCustomizationToken> ctk = new ArrayList<ConfigCustomizationToken>();
List<ConfigBeanDefaultValue> defaultValues = mu.getDefaultConfigurations(configBean, runtimeType);
for (ConfigBeanDefaultValue def : defaultValues) {
ctk.addAll(def.getCustomizationTokens());
}
return ctk;
}
protected void initializeLocator() {
final ClassLoader ecl = CustomizationTokensProvider.class.getClassLoader();
File inst = new File(System.getProperty(
SystemPropertyConstants.INSTALL_ROOT_PROPERTY));
final File ext = new File(inst, "modules");
LOG.log(Level.FINE, "asadmin modules directory: {0}", ext);
if (ext.isDirectory()) {
AccessController.doPrivileged(
new PrivilegedAction() {
@Override
public Object run() {
try {
URLClassLoader pl = new URLClassLoader(getJars(ext));
ModulesRegistry registry = new StaticModulesRegistry(pl);
locator = registry.createServiceLocator("default");
return pl;
} catch (IOException ex) {
// any failure here is fatal
LOG.log(Level.SEVERE, ConfigApiLoggerInfo.MODULES_CL_FAILED, ex);
}
return ecl;
}
});
} else {
LOG.log(Level.FINER, "Modules directory does not exist");
}
}
private static URL[] getJars(File dir) throws IOException {
File[] fjars = dir.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.endsWith(".jar");
}
});
if (fjars == null)
throw new IOException("No Jar Files in the Modules Directory!");
URL[] jars = new URL[fjars.length];
for (int i = 0; i < fjars.length; i++)
jars[i] = fjars[i].toURI().toURL();
return jars;
}
}