BEGIN LICENSE BLOCK *****
Version: EPL 2.0/GPL 2.0/LGPL 2.1
The contents of this file are subject to the Eclipse Public
License Version 2.0 (the "License"); you may not use this file
except in compliance with the License. You may obtain a copy of
the License at http://www.eclipse.org/legal/epl-v20.html
Software distributed under the License is distributed on an "AS
IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
Copyright (C) 2006 Kresten Krab Thorup 
Alternatively, the contents of this file may be used under the terms of
either of the GNU General Public License Version 2 or later (the "GPL"),
or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
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use your version of this file under the terms of the EPL, indicate your
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and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the EPL, the GPL or the LGPL.
END LICENSE BLOCK /***** BEGIN LICENSE BLOCK *****
 * Version: EPL 2.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Eclipse Public
 * License Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/epl-v20.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Kresten Krab Thorup <krab@gnu.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the EPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the EPL, the GPL or the LGPL.
 ***** END LICENSE BLOCK *****/

package org.jruby.javasupport.proxy;

import org.jruby.Ruby;
import org.jruby.RubyArray;
import org.jruby.RubyBoolean;
import org.jruby.RubyClass;
import org.jruby.RubyFixnum;
import org.jruby.RubyObject;
import org.jruby.RubyString;
import org.jruby.anno.JRubyClass;
import org.jruby.anno.JRubyMethod;
import org.jruby.javasupport.JavaClass;
import org.jruby.javasupport.JavaObject;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;

@JRubyClass(name="Java::JavaProxyClass")
public class JavaProxyReflectionObject extends RubyObject {

    public JavaProxyReflectionObject(Ruby runtime, RubyClass metaClass) {
        super(runtime, metaClass, false);
    }

    protected static void registerRubyMethods(Ruby runtime, RubyClass klass) {
        klass.defineAnnotatedMethods(JavaProxyReflectionObject.class);
        klass.getMetaClass().defineAlias("__j_allocate", "allocate");
    }

    @Deprecated
    public IRubyObject op_equal(IRubyObject other) {
        return op_eqq(getRuntime().getCurrentContext(), other);
    }

    @Override
    @JRubyMethod(name = {"==", "eql?"})
    public RubyBoolean op_eqq(final ThreadContext context, IRubyObject obj) {
        if ( ! ( obj instanceof JavaProxyReflectionObject ) ) {
            final Object wrappedObj = obj.dataGetStruct();
            if ( ! ( wrappedObj instanceof JavaObject ) ) {
                return context.fals;
            }
            obj = (IRubyObject) wrappedObj;
        }
        return context.runtime.newBoolean( this.equals(obj) );
    }

    @Deprecated
    public IRubyObject same(IRubyObject other) {
        return op_equal(getRuntime().getCurrentContext(), other);
    }

    @Override
    @JRubyMethod(name = "equal?")
    public RubyBoolean op_equal(final ThreadContext context, IRubyObject obj) {
        if ( this == obj ) return context.tru;

        if ( ! ( obj instanceof JavaProxyReflectionObject ) ) {
            final Object wrappedObj = obj.dataGetStruct();
            if ( ! ( wrappedObj instanceof JavaObject ) ) {
                return context.fals;
            }
            obj = (IRubyObject) wrappedObj;
        }
        return context.runtime.newBoolean(this == obj);
    }

    @Override
    public boolean equals(Object other) {
        return this == other;
    }

    @Override
    @JRubyMethod
    public RubyFixnum hash() {
        return getRuntime().newFixnum(hashCode());
    }

    @Override
    public int hashCode() {
        return 11 * getJavaClass().hashCode();
    }

    @Override
    @JRubyMethod
    public IRubyObject to_s() {
        return getRuntime().newString(toString());
    }

    @Override
    public String toString() {
        return getClass().getName();
    }

    @JRubyMethod
    public RubyString java_type() {
        return getRuntime().newString(getJavaClass().getName());
    }

    @JRubyMethod
    public JavaClass java_class() {
        return JavaClass.get(getRuntime(), getJavaClass());
    }

    @JRubyMethod
    public RubyFixnum length() {
        throw getRuntime().newTypeError("not a java array");
    }

    @JRubyMethod(name = "[]")
    public IRubyObject aref(IRubyObject index) {
        throw getRuntime().newTypeError("not a java array");
    }

    @JRubyMethod(name = "[]=")
    public IRubyObject aset(IRubyObject index, IRubyObject someValue) {
        throw getRuntime().newTypeError("not a java array");
    }

    @JRubyMethod(name = "java_proxy?")
    public IRubyObject is_java_proxy() {
        return getRuntime().getFalse();
    }

    //
    // utility methods
    //

    final RubyArray toRubyArray(final IRubyObject[] elements) {
        return RubyArray.newArrayMayCopy(getRuntime(), elements);
    }

    final RubyArray toRubyArray(final Class<?>[] classes) {
        return JavaClass.toRubyArray(getRuntime(), classes);
    }

}