/* * Copyright (c) 2004, 2006, 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(); sb.append(""); for (int i = 0; i < arr.length; i++) { if (i % 2 == 0) { sb.append(""); } else { sb.append(""); } } if (arr.length == 0) { sb.append(""); } sb.append("

" +
                            (arr[i] == null ?
                                arr[i] : htmlize(arr[i].toString())) +
                            "

" +
                            (arr[i] == null ?
                                arr[i] : htmlize(arr[i].toString())) +
                            "

"); arrayEditor.setText(sb.toString()); JScrollPane scrollp = new JScrollPane(arrayEditor); comp = scrollp; } return comp; } private static String htmlize(String value) { return value.replace("&", "&").replace("<", "<"); } }