114 lines
4.7 KiB
Java
114 lines
4.7 KiB
Java
/*
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* Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.tools.jconsole.inspector;
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import java.awt.Color;
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import java.awt.Component;
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import java.lang.reflect.Array;
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import java.util.Collection;
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import java.util.Map;
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import javax.swing.JEditorPane;
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import javax.swing.JScrollPane;
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class XArrayDataViewer {
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private XArrayDataViewer() {}
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public static boolean isViewableValue(Object value) {
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return Utils.canBeRenderedAsArray(value);
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}
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public static Component loadArray(Object value) {
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Component comp = null;
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if (isViewableValue(value)) {
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Object[] arr;
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if (value instanceof Collection) {
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arr = ((Collection<?>) value).toArray();
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} else if (value instanceof Map) {
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arr = ((Map<?,?>) value).entrySet().toArray();
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} else if (value instanceof Object[]) {
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arr = (Object[]) value;
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} else {
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int length = Array.getLength(value);
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arr = new Object[length];
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for (int i = 0; i < length; i++) {
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arr[i] = Array.get(value, i);
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}
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}
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JEditorPane arrayEditor = new JEditorPane();
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arrayEditor.setContentType("text/html");
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arrayEditor.setEditable(false);
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Color evenRowColor = arrayEditor.getBackground();
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int red = evenRowColor.getRed();
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int green = evenRowColor.getGreen();
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int blue = evenRowColor.getBlue();
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String evenRowColorStr =
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"rgb(" + red + "," + green + "," + blue + ")";
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Color oddRowColor = new Color(
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red < 20 ? red + 20 : red - 20,
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green < 20 ? green + 20 : green - 20,
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blue < 20 ? blue + 20 : blue - 20);
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String oddRowColorStr =
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"rgb(" + oddRowColor.getRed() + "," +
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oddRowColor.getGreen() + "," +
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oddRowColor.getBlue() + ")";
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Color foreground = arrayEditor.getForeground();
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String textColor = String.format("%06x",
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foreground.getRGB() & 0xFFFFFF);
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StringBuilder sb = new StringBuilder();
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sb.append("<html><body text=#"+textColor+"><table width=\"100%\">");
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for (int i = 0; i < arr.length; i++) {
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if (i % 2 == 0) {
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sb.append("<tr style=\"background-color: " +
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evenRowColorStr + "\"><td><pre>" +
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(arr[i] == null ?
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arr[i] : htmlize(arr[i].toString())) +
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"</pre></td></tr>");
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} else {
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sb.append("<tr style=\"background-color: " +
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oddRowColorStr + "\"><td><pre>" +
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(arr[i] == null ?
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arr[i] : htmlize(arr[i].toString())) +
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"</pre></td></tr>");
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}
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}
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if (arr.length == 0) {
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sb.append("<tr style=\"background-color: " +
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evenRowColorStr + "\"><td></td></tr>");
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}
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sb.append("</table></body></html>");
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arrayEditor.setText(sb.toString());
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JScrollPane scrollp = new JScrollPane(arrayEditor);
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comp = scrollp;
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}
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return comp;
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}
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private static String htmlize(String value) {
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return value.replace("&", "&").replace("<", "<");
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}
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}
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