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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 org.codehaus.groovy.runtime.dgmimpl.arrays;

import org.codehaus.groovy.reflection.CachedClass;
import org.codehaus.groovy.reflection.ReflectionCache;
import org.codehaus.groovy.runtime.callsite.CallSiteAwareMetaMethod;

import java.lang.reflect.Modifier;

public abstract class ArrayMetaMethod extends CallSiteAwareMetaMethod {
    protected static final CachedClass INTEGER_CLASS = ReflectionCache.getCachedClass(Integer.class);
    protected static final CachedClass[] INTEGER_CLASS_ARR = new CachedClass[]{INTEGER_CLASS};

    protected static int normaliseIndex(int i, int size) {
        int temp = i;
        if (i < 0) {
            i += size;
        }
        if (i < 0) {
            throw new ArrayIndexOutOfBoundsException("Negative array index [" + temp + "] too large for array size " + size);
        }
        return i;
    }

    @Override
    public int getModifiers() {
        return Modifier.PUBLIC;
    }
}