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| 1 | +/* | |
| 2 | + * Copyright (c) 2004, 2006, Oracle and/or its affiliates. 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. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * 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 | +} | |