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A library for invoking native functions from java
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/*
 * Copyright (C) 2012 Wayne Meissner
 *
 * This file is part of the JNR project.
 *
 * Licensed 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 jnr.ffi.provider.jffi;

import com.kenai.jffi.ObjectParameterType;

/**
 *
 */
abstract public class PrimitiveArrayParameterStrategy extends ParameterStrategy {
    static final PrimitiveArrayParameterStrategy BYTE = new PrimitiveArrayParameterStrategy(ObjectParameterType.BYTE) {
        public int length(Object o) {
            return ((byte[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy SHORT = new PrimitiveArrayParameterStrategy(ObjectParameterType.SHORT) {
        public int length(Object o) {
            return ((short[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy CHAR = new PrimitiveArrayParameterStrategy(ObjectParameterType.CHAR) {
        public int length(Object o) {
            return ((char[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy INT = new PrimitiveArrayParameterStrategy(ObjectParameterType.INT) {
        public int length(Object o) {
            return ((int[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy LONG = new PrimitiveArrayParameterStrategy(ObjectParameterType.LONG) {
        public int length(Object o) {
            return ((long[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy FLOAT = new PrimitiveArrayParameterStrategy(ObjectParameterType.FLOAT) {
        public int length(Object o) {
            return ((float[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy DOUBLE = new PrimitiveArrayParameterStrategy(ObjectParameterType.DOUBLE) {
        public int length(Object o) {
            return ((double[]) o).length;
        }
    };

    static final PrimitiveArrayParameterStrategy BOOLEAN = new PrimitiveArrayParameterStrategy(ObjectParameterType.BOOLEAN) {
        public int length(Object o) {
            return ((boolean[]) o).length;
        }
    };

    PrimitiveArrayParameterStrategy(ObjectParameterType.ComponentType componentType) {
        super(HEAP, ObjectParameterType.create(ObjectParameterType.ObjectType.ARRAY, componentType));
    }

    @Override
    public final long address(Object o) {
        return 0;
    }

    @Override
    public final Object object(Object o) {
        return o;
    }

    @Override
    public final int offset(Object o) {
        return 0;
    }
}