| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004-2006 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.tools.jconsole.inspector; |
| 27 | |
| 28 | import java.awt.Color; |
| 29 | import java.awt.Component; |
| 30 | import java.lang.reflect.Array; |
| 31 | import java.util.Collection; |
| 32 | import java.util.Map; |
| 33 | import javax.swing.JEditorPane; |
| 34 | import javax.swing.JScrollPane; |
| 35 | |
| 36 | class XArrayDataViewer { |
| 37 | |
| 38 | private XArrayDataViewer() {} |
| 39 | |
| 40 | public static boolean isViewableValue(Object value) { |
| 41 | return Utils.canBeRenderedAsArray(value); |
| 42 | } |
| 43 | |
| 44 | public static Component loadArray(Object value) { |
| 45 | Component comp = null; |
| 46 | if (isViewableValue(value)) { |
| 47 | Object[] arr; |
| 48 | if (value instanceof Collection) { |
| 49 | arr = ((Collection) value).toArray(); |
| 50 | } else if (value instanceof Map) { |
| 51 | arr = ((Map) value).entrySet().toArray(); |
| 52 | } else if (value instanceof Object[]) { |
| 53 | arr = (Object[]) value; |
| 54 | } else { |
| 55 | int length = Array.getLength(value); |
| 56 | arr = new Object[length]; |
| 57 | for (int i = 0; i < length; i++) { |
| 58 | arr[i] = Array.get(value, i); |
| 59 | } |
| 60 | } |
| 61 | JEditorPane arrayEditor = new JEditorPane(); |
| 62 | arrayEditor.setContentType("text/html"); |
| 63 | arrayEditor.setEditable(false); |
| 64 | Color evenRowColor = arrayEditor.getBackground(); |
| 65 | int red = evenRowColor.getRed(); |
| 66 | int green = evenRowColor.getGreen(); |
| 67 | int blue = evenRowColor.getBlue(); |
| 68 | String evenRowColorStr = |
| 69 | "rgb(" + red + "," + green + "," + blue + ")"; |
| 70 | Color oddRowColor = new Color( |
| 71 | red < 20 ? red + 20 : red - 20, |
| 72 | green < 20 ? green + 20 : green - 20, |
| 73 | blue < 20 ? blue + 20 : blue - 20); |
| 74 | String oddRowColorStr = |
| 75 | "rgb(" + oddRowColor.getRed() + "," + |
| 76 | oddRowColor.getGreen() + "," + |
| 77 | oddRowColor.getBlue() + ")"; |
| 78 | Color foreground = arrayEditor.getForeground(); |
| 79 | String textColor = String.format("%06x", |
| 80 | foreground.getRGB() & 0xFFFFFF); |
| 81 | StringBuilder sb = new StringBuilder(); |
| 82 | sb.append("<html><body text=#"+textColor+"><table width=\"100%\">"); |
| 83 | for (int i = 0; i < arr.length; i++) { |
| 84 | if (i % 2 == 0) { |
| 85 | sb.append("<tr style=\"background-color: " + |
| 86 | evenRowColorStr + "\"><td><pre>" + |
| 87 | (arr[i] == null ? |
| 88 | arr[i] : htmlize(arr[i].toString())) + |
| 89 | "</pre></td></tr>"); |
| 90 | } else { |
| 91 | sb.append("<tr style=\"background-color: " + |
| 92 | oddRowColorStr + "\"><td><pre>" + |
| 93 | (arr[i] == null ? |
| 94 | arr[i] : htmlize(arr[i].toString())) + |
| 95 | "</pre></td></tr>"); |
| 96 | } |
| 97 | } |
| 98 | if (arr.length == 0) { |
| 99 | sb.append("<tr style=\"background-color: " + |
| 100 | evenRowColorStr + "\"><td></td></tr>"); |
| 101 | } |
| 102 | sb.append("</table></body></html>"); |
| 103 | arrayEditor.setText(sb.toString()); |
| 104 | JScrollPane scrollp = new JScrollPane(arrayEditor); |
| 105 | comp = scrollp; |
| 106 | } |
| 107 | return comp; |
| 108 | } |
| 109 | |
| 110 | private static String htmlize(String value) { |
| 111 | return value.replace("&", "&").replace("<", "<"); |
| 112 | } |
| 113 | } |