/*

 * Copyright (c) 2004, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.tools.jconsole.inspector;

import java.awt.Color;

import java.awt.Component;

import java.lang.reflect.Array;

import java.util.Collection;

import java.util.Map;

import javax.swing.JEditorPane;

import javax.swing.JScrollPane;

class XArrayDataViewer {

    private XArrayDataViewer() {}

    public static boolean isViewableValue(Object value) {

        return Utils.canBeRenderedAsArray(value);

    }

    public static Component loadArray(Object value) {

        Component comp = null;

        if (isViewableValue(value)) {

            Object[] arr;

            if (value instanceof Collection) {

                arr = ((Collection<?>) value).toArray();

            } else if (value instanceof Map) {

                arr = ((Map<?,?>) value).entrySet().toArray();

            } else if (value instanceof Object[]) {

                arr = (Object[]) value;

            } else {

                int length = Array.getLength(value);

                arr = new Object[length];

                for (int i = 0; i < length; i++) {

                    arr[i] = Array.get(value, i);

                }

            }

            JEditorPane arrayEditor = new JEditorPane();

            arrayEditor.setContentType("text/html");

            arrayEditor.setEditable(false);

            Color evenRowColor = arrayEditor.getBackground();

            int red = evenRowColor.getRed();

            int green = evenRowColor.getGreen();

            int blue = evenRowColor.getBlue();

            String evenRowColorStr =

                    "rgb(" + red + "," + green + "," + blue + ")";

            Color oddRowColor = new Color(

                    red < 20 ? red + 20 : red - 20,

                    green < 20 ? green + 20 : green - 20,

                    blue < 20 ? blue + 20 : blue - 20);

            String oddRowColorStr =

                    "rgb(" + oddRowColor.getRed() + "," +

                    oddRowColor.getGreen() + "," +

                    oddRowColor.getBlue() + ")";

            Color foreground = arrayEditor.getForeground();

            String textColor = String.format("%06x",

                                             foreground.getRGB() & 0xFFFFFF);

            StringBuilder sb = new StringBuilder();

            for (int i = 0; i < arr.length; i++) {

                if (i % 2 == 0) {

                } else {

                }

            }

            if (arr.length == 0) {

            }

            sb.append("</table></body></html>");

            arrayEditor.setText(sb.toString());

            JScrollPane scrollp = new JScrollPane(arrayEditor);

            comp = scrollp;

        }

        return comp;

    }

    private static String htmlize(String value) {

        return value.replace("&", "&amp;").replace("<", "&lt;");

    }

}