/*

 * reserved comment block

 * DO NOT REMOVE OR ALTER!

 */

/*

 * 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.

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package com.sun.org.apache.bcel.internal.generic;

import java.io.DataOutputStream;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import com.sun.org.apache.bcel.internal.classfile.ArrayElementValue;

import com.sun.org.apache.bcel.internal.classfile.ElementValue;

/**

 * @since 6.0

 */

public class ArrayElementValueGen extends ElementValueGen

{

    // J5TODO: Should we make this an array or a list? A list would be easier to

    // modify ...

    private final List<ElementValueGen> evalues;

    public ArrayElementValueGen(final ConstantPoolGen cp)

    {

        super(ARRAY, cp);

        evalues = new ArrayList<>();

    }

    public ArrayElementValueGen(final int type, final ElementValue[] datums,

            final ConstantPoolGen cpool)

    {

        super(type, cpool);

        if (type != ARRAY) {

            throw new IllegalArgumentException(

                    "Only element values of type array can be built with this ctor - type specified: " + type);

        }

        this.evalues = new ArrayList<>();

        for (final ElementValue datum : datums) {

            evalues.add(ElementValueGen.copy(datum, cpool, true));

        }

    }

    /**

     * Return immutable variant of this ArrayElementValueGen

     */

    @Override

    public ElementValue getElementValue()

    {

        final ElementValue[] immutableData = new ElementValue[evalues.size()];

        int i = 0;

        for (final ElementValueGen element : evalues) {

            immutableData[i++] = element.getElementValue();

        }

        return new ArrayElementValue(super.getElementValueType(),

                immutableData,

                getConstantPool().getConstantPool());

    }

    /**

     * @param value

     * @param cpool

     */

    public ArrayElementValueGen(final ArrayElementValue value, final ConstantPoolGen cpool,

            final boolean copyPoolEntries)

    {

        super(ARRAY, cpool);

        evalues = new ArrayList<>();

        final ElementValue[] in = value.getElementValuesArray();

        for (final ElementValue element : in) {

            evalues.add(ElementValueGen.copy(element, cpool, copyPoolEntries));

        }

    }

    @Override

    public void dump(final DataOutputStream dos) throws IOException

    {

        dos.writeByte(super.getElementValueType()); // u1 type of value (ARRAY == '[')

        dos.writeShort(evalues.size());

        for (final ElementValueGen element : evalues) {

            element.dump(dos);

        }

    }

    @Override

    public String stringifyValue()

    {

        final StringBuilder sb = new StringBuilder();

        sb.append("[");

        String comma = "";

        for (final ElementValueGen element : evalues) {

            sb.append(comma);

            comma = ",";

            sb.append(element.stringifyValue());

        }

        sb.append("]");

        return sb.toString();

    }

    public List<ElementValueGen> getElementValues()

    {

        return evalues;

    }

    public int getElementValuesSize()

    {

        return evalues.size();

    }

    public void addElement(final ElementValueGen gen)

    {

        evalues.add(gen);

    }

}