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30
31 package com.sun.enterprise.admin.dottedname.valueaccessor;
32
33 import java.util.Set  ;
34 import java.util.HashSet ;
35
36 import javax.management.MBeanServerConnection ;
37 import javax.management.IntrospectionException ;
38 import javax.management.ReflectionException ;
39 import javax.management.InstanceNotFoundException ;
40 import javax.management.AttributeNotFoundException ;
41 import javax.management.InvalidAttributeValueException ;
42 import javax.management.MBeanException ;
43 import javax.management.AttributeList ;
44 import javax.management.MBeanInfo ;
45 import javax.management.MBeanAttributeInfo ;
46 import javax.management.ObjectName ;
47 import javax.management.Attribute ;
48
49
50 import com.sun.enterprise.admin.dottedname.DottedNameStrings;
51
52 import com.sun.enterprise.admin.util.ClassUtil;
53
54 public class AttributeValueAccessor extends ValueAccessorBase
55 {
56 public
57 AttributeValueAccessor( final MBeanServerConnection conn )
58 {
59 super( conn );
60 }
61
62
65 public static Set
66 getAllAttributeNames( final MBeanServerConnection conn, final ObjectName objectName )
67 throws java.io.IOException , ReflectionException , InstanceNotFoundException , IntrospectionException
68 {
69 final Set allNames = new HashSet ();
70
71 final MBeanInfo info = conn.getMBeanInfo( objectName );
73 final MBeanAttributeInfo [] attrsInfo = info.getAttributes();
74 if ( attrsInfo != null )
75 {
76 for( int i = 0; i < attrsInfo.length; ++i )
77 {
78 allNames.add( attrsInfo[ i ].getName() );
79 }
80 }
81
82 return( allNames );
83 }
84
85
86 public Attribute
87 getValue( final ObjectName objectName, final String valueName )
88 throws MBeanException , AttributeNotFoundException , InstanceNotFoundException ,
89 ReflectionException , java.io.IOException
90 {
91 final Object value = getMBS().getAttribute( objectName, valueName);
92
93 return( new Attribute ( valueName, value ) );
94 }
95
96 Class
97 getAttributeClass( final ObjectName objectName, final String attributeName )
98 throws IntrospectionException , java.io.IOException , ReflectionException ,
99 InstanceNotFoundException , ClassNotFoundException
100 {
101 final MBeanInfo info = getMBS().getMBeanInfo( objectName );
102 final MBeanAttributeInfo [] attrsInfo = info.getAttributes();
103 Class theClass = null;
104
105 for( int i = 0; i < attrsInfo.length; ++i )
106 {
107 final String testName = attrsInfo[ i ].getName();
108
109 if ( testName.equals( attributeName ) )
110 {
111 theClass = ClassUtil.getClassFromName( attrsInfo[ i ].getType() );
112 break;
113 }
114 }
115 return( theClass );
116 }
117
118 public Attribute
119 setValue( final ObjectName objectName, final Attribute attr )
120 throws Exception
121 {
122 if ( attr.getValue() == null )
123 {
124 final String msg = DottedNameStrings.getString(
125 DottedNameStrings.ILLEGAL_TO_SET_NULL_KEY,
126 attr.getName( ) );
127
128 throw new IllegalArgumentException ( msg );
129 }
130
131 Attribute actualAttr = null;
132
133 Object value = attr.getValue();
134 if ( value instanceof String )
135 {
136 final Class attrClass = getAttributeClass( objectName, attr.getName() );
137 if ( attrClass == null )
138 {
139 final String msg = DottedNameStrings.getString(
140 DottedNameStrings.ATTRIBUTE_NOT_FOUND_KEY,
141 attr.getName( ) );
142
143 throw new AttributeNotFoundException ( attr.getName() );
144 }
145
146 value = coerceToClass( attrClass, (String )value );
147
148 actualAttr = new Attribute ( attr.getName(), value );
149 }
150 else
151 {
152 actualAttr = attr;
154 }
155
156 getMBS().setAttribute( objectName, actualAttr);
157
158 return( actualAttr );
159 }
160 }
161
162 |
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