1 /*
2 * $HeadURL: $
3 * $Date: $
4 * $Revision: $
5 * $Author: $
6 *
7 * Copyright (c) 2005 MindTree Consulting Ltd.
8 *
9 * This file is part of Insight.
10 *
11 * Insight is free software: you can redistribute it and/or modify it under the
12 * terms of the GNU General Public License as published by the Free Software
13 * Foundation, either version 3 of the License, or (at your option) any later
14 * version.
15 *
16 * Insight is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
19 * Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along with
22 * Insight. If not, see <http://www.gnu.org/licenses/>.
23 */
24 package com.mindtree.techworks.insight.receiver;
25
26 import java.awt.Color;
27 import java.util.HashMap;
28 import java.util.LinkedList;
29 import java.util.List;
30
31 import com.mindtree.techworks.insight.InsightConstants;
32 import com.mindtree.techworks.insight.spi.LogNamespace;
33
34 /**
35 *
36 * The <code>RuntimeNamespaceContainer</code> class is a container for runtime
37 * namespace data. Holds data on loaded namespaces and available namespace
38 * colors
39 *
40 * @author Regunath B
41 * @version 1.0, 05/08/08
42 * @see com.mindtree.techworks.insight.gui.Insight
43 */
44 public class RuntimeNamespaceContainer {
45
46 /**
47 * LinkedList that contains the namespace colors
48 */
49 private static LinkedList availableNamespaceColors = new LinkedList();
50
51 /**
52 * Hashmap that contains the namepace color for display
53 */
54 private static HashMap namespaceColorMap = new HashMap();
55
56 /**
57 * Set that contains the list of namespaces from which events have been loaded already
58 */
59 private static List loadedNamespaces = new LinkedList();
60
61 /**
62 * Gets the Color for distinguishing the specified LogNamespace in the display
63 * @param namespace the LogNamespace for which a Color is needed
64 * @return default Insight background color if all available colors are exhausted or the Color to distinguish the specified LogNamespace
65 */
66 public static Color getNamespaceColor(LogNamespace namespace) {
67 String namespaceString = namespace.getNamespaceAsString();
68 Color namespaceColor = (Color)namespaceColorMap.get(namespaceString);
69 if (namespaceColor == null) { // its a new namespace
70 if (!availableNamespaceColors.isEmpty()) { // unique predefined colors exist
71 namespaceColor = (Color)availableNamespaceColors.removeFirst();
72 } else { // return the default color
73 namespaceColor = InsightConstants.DEFAULT_BACKGROUND;
74 }
75 namespaceColorMap.put(namespaceString,namespaceColor);
76 }
77 return namespaceColor;
78 }
79
80 /**
81 * Returns the list of loaded namespaces
82 * @return Returns the loadedNamespaces.
83 */
84 public static List getLoadedNamespaces() {
85 return loadedNamespaces;
86 }
87
88 /**
89 * Returns the Map of loaded namespaces
90 * @return Returns the namespaceColorMap.
91 */
92 public static HashMap getNamespaceColorMap() {
93 return namespaceColorMap;
94 }
95 /**
96 * Returns the list of vailable namespace colors
97 * @return Returns the availableNamespaceColors.
98 */
99 public static LinkedList getAvailableNamespaceColors() {
100 return availableNamespaceColors;
101 }
102
103 /**
104 * Initializes the available namespace colors
105 */
106 public static final void initializeAvailableNamespaceColorList() {
107 availableNamespaceColors.clear();
108 for (int i = 0; i < InsightConstants.NAMESPACE_COLORS.length; i++) {
109 availableNamespaceColors.add(InsightConstants.NAMESPACE_COLORS[i]);
110 }
111 }
112
113 /**
114 * Clears the set of namespaces contained by this container
115 */
116 public static void clearLoadedNamespaces() {
117 loadedNamespaces.clear();
118 namespaceColorMap.clear();
119 initializeAvailableNamespaceColorList();
120 }
121
122 }