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Groovy: A powerful multi-faceted language for the JVM

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache 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.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package groovy.lang;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

/**
 * An exception occurred if a dynamic property dispatch fails with a 
 * field not accessible.
 */
public class IllegalPropertyAccessException extends MissingPropertyException {

    private static final long serialVersionUID = 8149534204771978786L;

    private static String makeMessage(String propertyName, Class clazz, int modifiers, boolean isField) {
        String access = "private";
        if (Modifier.isProtected(modifiers)) access = "protected";
        if (Modifier.isPublic(modifiers)) access = "public";
        String propertyType = "property";
        if (isField) propertyType = "field";
        return  "Can not access the "+access+" "+propertyType+" "+propertyName+" in class "+clazz.getName();
    }

    public IllegalPropertyAccessException(String propertyName, Class clazz, int modifiers) {
        super(makeMessage(propertyName,clazz,modifiers,false),propertyName,clazz);
    }

    public IllegalPropertyAccessException(Field field, Class clazz) {
        super(makeMessage(field.getName(),clazz,field.getModifiers(),true),field.getName(),clazz);
    }

}