/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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package com.sun.beans.finder;

import com.sun.beans.WeakCache;

import java.beans.PropertyEditor;

import com.sun.beans.editors.BooleanEditor;

import com.sun.beans.editors.ByteEditor;

import com.sun.beans.editors.DoubleEditor;

import com.sun.beans.editors.EnumEditor;

import com.sun.beans.editors.FloatEditor;

import com.sun.beans.editors.IntegerEditor;

import com.sun.beans.editors.LongEditor;

import com.sun.beans.editors.ShortEditor;

/**

 * This is utility class that provides functionality

 * to find a {@link PropertyEditor} for a JavaBean specified by its type.

 *

 * @since 1.7

 *

 * @author Sergey A. Malenkov

 */

public final class PropertyEditorFinder

        extends InstanceFinder<PropertyEditor> {

    private static final String DEFAULT = "sun.beans.editors";

    private static final String DEFAULT_NEW = "com.sun.beans.editors";

    private final WeakCache<Class<?>, Class<?>> registry;

    public PropertyEditorFinder() {

        super(PropertyEditor.class, false, "Editor", DEFAULT);

        this.registry = new WeakCache<Class<?>, Class<?>>();

        this.registry.put(Byte.TYPE, ByteEditor.class);

        this.registry.put(Short.TYPE, ShortEditor.class);

        this.registry.put(Integer.TYPE, IntegerEditor.class);

        this.registry.put(Long.TYPE, LongEditor.class);

        this.registry.put(Boolean.TYPE, BooleanEditor.class);

        this.registry.put(Float.TYPE, FloatEditor.class);

        this.registry.put(Double.TYPE, DoubleEditor.class);

    }

    public void register(Class<?> type, Class<?> editor) {

        synchronized (this.registry) {

            this.registry.put(type, editor);

        }

    }

    @Override

    public PropertyEditor find(Class<?> type) {

        Class<?> predefined;

        synchronized (this.registry) {

            predefined = this.registry.get(type);

        }

        PropertyEditor editor = instantiate(predefined, null);

        if (editor == null) {

            editor = super.find(type);

            if ((editor == null) && (null != type.getEnumConstants())) {

                editor = new EnumEditor(type);

            }

        }

        return editor;

    }

    @Override

    protected PropertyEditor instantiate(Class<?> type, String prefix, String name) {

        return super.instantiate(type, DEFAULT.equals(prefix) ? DEFAULT_NEW : prefix, name);

    }

}