/*

 * 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.

 *

 * 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.

 *

 */

import java.beans.PropertyEditor;

import java.beans.PropertyEditorManager;

final class TestEditor {

    private final PropertyEditor editor;

    TestEditor(Class type) {

        System.out.println("Property class: " + type);

        this.editor = PropertyEditorManager.findEditor(type);

        if (this.editor == null)

            throw new Error("could not find editor for " + type);

        System.out.println("PropertyEditor class: " + this.editor.getClass());

        validate(null, null);

    }

    void testJava(Object value) {

        this.editor.setValue(value);

        Object object = execute("Executor", "execute", this.editor.getJavaInitializationString());

        System.out.println("Property value before: " + value);

        System.out.println("Property value after: " + object);

        if (!areEqual(value, object))

            throw new Error("values are not equal");

    }

    void testValue(Object value, String text) {

        this.editor.setValue(value);

        validate(value, text);

    }

    void testText(String text, Object value) {

        this.editor.setAsText(text);

        validate(value, text);

    }

    private void validate(Object value, String text) {

        if (!areEqual(value, this.editor.getValue()))

            throw new Error("value should be " + value);

        if (!areEqual(text, this.editor.getAsText()))

            throw new Error("text should be " + text);

    }

    private static boolean areEqual(Object object1, Object object2) {

        return (object1 == null)

                ? object2 == null

                : object1.equals(object2);

    }

    private static Object execute(String classname, String methodname, String value) {

        String content

                = "public class " + classname + " {"

                + "    public static Object " + methodname + "() throws Exception {"

                + "        return " + value + ";"

                + "    }"

                + "}";

        try {

            MemoryClassLoader loader = new MemoryClassLoader();

            Class type = loader.compile(classname, content);

            return type.getMethod(methodname).invoke(null);

        }

        catch (Exception exception) {

            throw new Error(exception);

        }

    }

}