org.jruby.ext.jruby.JRubyTypeLibrary Maven / Gradle / Ivy
/*
**** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (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/cpl-v10.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) 2010 Charles Oliver Nutter
*
* 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 CPL, 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 CPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.ext.jruby;
import java.io.IOException;
import org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.RubyModule;
import org.jruby.RubySymbol;
import org.jruby.anno.JRubyMethod;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.load.Library;
import org.jruby.util.TypeConverter;
public class JRubyTypeLibrary implements Library {
public void load(Ruby runtime, boolean wrap) throws IOException {
RubyModule jrubyType = runtime.defineModule("Type");
jrubyType.defineAnnotatedMethods(JRubyTypeLibrary.class);
}
@JRubyMethod(module = true)
public static IRubyObject coerce_to(ThreadContext context, IRubyObject self, IRubyObject object, IRubyObject clazz, IRubyObject method) {
Ruby ruby = object.getRuntime();
if (!(clazz instanceof RubyClass)) {
throw ruby.newTypeError(clazz, ruby.getClassClass());
}
if (!(method instanceof RubySymbol)) {
throw ruby.newTypeError(method, ruby.getSymbol());
}
RubyClass rubyClass = (RubyClass) clazz;
RubySymbol methodSym = (RubySymbol) method;
return TypeConverter.convertToTypeOrRaise(object, rubyClass, methodSym.asJavaString());
}
}