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**** 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) 2009-2011 Yoko Harada <yokolet@gmail.com> 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.embed.variable;
 
 import org.jruby.Ruby;

Author(s):
Yoko Harada <yokolet@gmail.com>
 
 abstract class AbstractVariable implements BiVariable {
     /*
      * receiver a receiver object to inject this var in. When the variable/constant
      * is originated from Java, receiver may be null. During the injection, the
      * receiver must be set.
      */
     protected final IRubyObject receiver;
     protected String name;
     protected Object javaObject = null;
     protected Class javaType = null;
     protected IRubyObject irubyObject = null;
     protected boolean fromRuby;

    
Constructor used when this variable is originaed from Java.

Parameters:
runtime
name
fromRuby
values
 
     protected AbstractVariable(RubyObject receiverString nameboolean fromRuby) {
         this. = receiver;
         this. = name;
         this. = fromRuby;
     }
 
     protected void updateByJavaObject(Ruby runtimeObject... values) {
         assert values != null;
          = values[0];
         if ( == null) {
              = null;
         } else if (values.length > 1) {
              = (Classvalues[1];
         } else {
              = .getClass();
         }
          = JavaEmbedUtils.javaToRuby(runtime);
          = false;
     }

    
Constructor when the variable is originated from Ruby.

Parameters:
receiver a receiver object that this variable/constant is originally in. When the variable/constant is originated from Ruby, receiver may not be null.
name
fromRuby
rubyObject
 
     protected AbstractVariable(IRubyObject receiverString nameboolean fromRubyIRubyObject rubyObject) {
         this. = receiver;
         this. = name;
         this. = fromRuby;
         this. = rubyObject;
     }
    protected void updateRubyObject(IRubyObject rubyObject) {
        if (rubyObject == null) {
            return;
        }
        this. = rubyObject;
        // delays updating javaObject for performance.
    }
    public IRubyObject getReceiver() {
        return ;
    }
    
    
Returns true if a given receiver is identical to the receiver this object has.

Returns:
true if identical otherwise false
    public boolean isReceiverIdentical(RubyObject recv) {
        return  == recv;
    }
    public String getName() {
        return ;
    }
    public Object getJavaObject() {
        if ( == null) {
            return ;
        }
        Ruby rt = .getRuntime();
        if ( != null) {
            // Java originated variables
            //javaObject = javaType.cast(JavaEmbedUtils.rubyToJava(rt, irubyObject, javaType));
             = .cast(.toJava());
        } else {
            // Ruby originated variables
            //javaObject = JavaEmbedUtils.rubyToJava(irubyObject);
             = .toJava(Object.class);
            if ( != null) {
                 = .getClass();
            }
        }
        return ;
    }
    public void setJavaObject(Ruby runtimeObject javaObject) {
        updateByJavaObject(runtimejavaObject);
    }
    public IRubyObject getRubyObject() {
        return ;
    }
    public void setRubyObject(IRubyObject rubyObject) {
        updateRubyObject(rubyObject);
    }
    protected RubyModule getRubyClass(Ruby runtime) {
        ThreadContext context = runtime.getCurrentContext();
        StaticScope scope = context.getCurrentScope().getStaticScope();
        RubyModule rubyClass = scope.getModule();
        return rubyClass;
    }
    protected static boolean isValidName(String patternObject name) {
        if (!(name instanceof String)) {
            return false;
        }
        if (((String)name).matches(pattern)) {
            return true;
        } else {
            return false;
        }
    }
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