/*
* Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.lib;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.JavaValue;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.module.AbstractQuercusModule;
import com.caucho.quercus.program.JavaClassDef;
import com.caucho.util.L10N;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Java functions
*/
public class JavaModule extends AbstractQuercusModule {
private static final Logger log =
Logger.getLogger(JavaModule.class.getName());
private static final L10N L = new L10N(JavaModule.class);
/**
* Call the Java constructor and return the wrapped Java object.
* If constructor is not available, then return static class definition.
*/
@SuppressWarnings("unchecked")
public static Object java(Env env,
String className,
Value []args)
{
try {
JavaClassDef<?> def = env.getJavaClassDefinition(className);
if (def == null) {
env.warning(L.l("could not find Java class {0}", className));
return null;
}
Value newObj = def.callNew(env, args);
if (newObj.isNull())
return new JavaValue<Object>(env, null, (JavaClassDef<Object>)def);
else
return newObj;
} catch (Exception e) {
log.log(Level.FINE, e.getMessage(), e);
env.warning(e);
return null;
}
}
/**
* Returns the static class definition of a Java class.
*/
@SuppressWarnings("unchecked")
public static Object java_class(Env env,
String className)
{
try {
JavaClassDef<?> def = env.getJavaClassDefinition(className);
if (def == null) {
env.warning(L.l("could not find Java class {0}", className));
return null;
}
return new JavaValue<Object>(env, def.getType(), (JavaClassDef<Object>)def);
} catch (Throwable e) {
log.log(Level.FINE, e.getMessage(), e);
env.warning(e);
return null;
}
}
/**
* Returns the name of the java class.
*/
public static String get_java_class_name(Env env, Value value)
{
if (value instanceof JavaValue) {
Object obj = value.toJavaObject();
if (obj == null)
return String.valueOf(null);
else
return obj.getClass().getName();
}
return value.getClass().getName();
}
}