KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > sf > panoptes > component > jmx > jelly > NodeTag


1 /*
2  * Created on 27.jul.2003
3  *
4  */
5 package net.sf.panoptes.component.jmx.jelly;
6
7 import net.sf.panoptes.model.node.GroupNode;
8 import net.sf.panoptes.model.node.NodeSupport;
9 import net.sf.panoptes.model.node.NodeDescriptor;
10 import net.sf.panoptes.component.jmx.model.MBeanServerNode;
11
12 import org.apache.commons.jelly.JellyTagException;
13 import org.apache.commons.jelly.MissingAttributeException;
14 import org.apache.commons.jelly.TagSupport;
15 import org.apache.commons.jelly.XMLOutput;
16 import org.apache.commons.logging.Log;
17 import org.apache.commons.logging.LogFactory;
18
19 /**
20  *
21  *
22  * @author Dag Liodden
23  * @version 0.1
24  */
25 public abstract class NodeTag extends TagSupport {
26     /** The Log to which logging calls will be made. */
27     protected Log log = LogFactory.getLog(getClass());
28
29     private String JavaDoc name;
30     private String JavaDoc description;
31     private GroupNode parentNode;
32     private GroupNode group;
33     private String JavaDoc iconName;
34     private MBeanServerNode serverNode = null;
35     private NodeSupport node = null;
36
37     private String JavaDoc aliasName = null;
38
39     /* (non-Javadoc)
40      * @see org.apache.commons.jelly.TagSupport#doTag(org.apache.commons.jelly.XMLOutput)
41      */
42     public void doTag(XMLOutput output) throws JellyTagException {
43
44         if (parentNode == null) {
45             GroupTag parent = (GroupTag) findAncestorWithClass(GroupTag.class);
46             if (parent != null)
47                 parentNode = (GroupNode) parent.getNode();
48             else
49                 parentNode = (GroupNode) getContext().getVariable("rootNode");
50
51             if (parentNode == null) {
52                 throw new JellyTagException("This tag must be nested within <node> or descendant of <node> or be in a context where 'rootNode' is set");
53             }
54         }
55
56         if (name == null) {
57             throw new MissingAttributeException("name");
58         }
59
60         if (description == null) {
61             throw new MissingAttributeException("description");
62         }
63     }
64
65     public void doDefault(NodeSupport node) {
66
67         NodeDescriptor desc = node.getConfigDescriptor();
68         node.setConfigDescriptor(
69             new NodeDescriptor(
70                 getName(),
71                 getDescription(),
72                 getIcon() == null ? desc.getIconName() : getIcon()));
73
74         if (serverNode != null)
75             node.getContext().put(MBeanServerNode.MBEANSERVERNODE_KEY, serverNode);
76
77
78         if (aliasName != null) {
79             getParentNode().getContext().put(aliasName, node);
80             node.getContext().put(aliasName, node);
81             getContext().setVariable(aliasName, node);
82         }
83
84         if (iconName != null)
85             desc.setIconName(iconName);
86
87         this.node = node;
88     }
89
90     public NodeSupport getNode() {
91         return node;
92     }
93
94     /**
95      * @return
96      */
97     public String JavaDoc getDescription() {
98         return description;
99     }
100
101     /**
102      * @param description
103      */
104     public void setDescription(String JavaDoc description) {
105         this.description = description;
106     }
107
108     /**
109      * @return
110      */
111     public String JavaDoc getName() {
112         return name;
113     }
114
115     /**
116      * @param name
117      */
118     public void setName(String JavaDoc name) {
119         this.name = name;
120     }
121
122     public void setIcon(String JavaDoc iconName) {
123         this.iconName = iconName;
124     }
125
126     public String JavaDoc getIcon() {
127         return iconName;
128     }
129
130     public void setParentNode(GroupNode parent) {
131         this.parentNode = parent;
132     }
133
134     public GroupNode getParentNode() {
135         return parentNode;
136
137     }
138
139     public GroupNode getGroup() {
140         return group;
141     }
142
143     public void setGroup(GroupNode group) {
144         this.group = group;
145     }
146
147     public void setAliasName(String JavaDoc aliasName) {
148         this.aliasName = aliasName;
149     }
150
151     /**
152     /**
153      * @param serverComponent
154      */
155     public void setServer(MBeanServerNode serverNode) {
156         this.serverNode = serverNode;
157     }
158
159     private MBeanServerNode getServer() {
160         return serverNode;
161     }
162
163 }
164
Popular Tags