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1
8 package org.apache.avalon.phoenix.components.configuration.validator;
9
10 import java.util.Collections  ;
11 import java.util.HashMap ;
12 import java.util.Iterator ;
13 import java.util.Map ;
14 import org.apache.avalon.excalibur.i18n.ResourceManager;
15 import org.apache.avalon.excalibur.i18n.Resources;
16 import org.apache.avalon.framework.activity.Disposable;
17 import org.apache.avalon.framework.activity.Initializable;
18 import org.apache.avalon.framework.configuration.Configurable;
19 import org.apache.avalon.framework.configuration.Configuration;
20 import org.apache.avalon.framework.configuration.ConfigurationException;
21 import org.apache.avalon.framework.container.ContainerUtil;
22 import org.apache.avalon.framework.logger.AbstractLogEnabled;
23 import org.apache.avalon.phoenix.interfaces.ConfigurationValidator;
24 import org.apache.avalon.phoenix.interfaces.ConfigurationValidatorMBean;
25
26
31 public class DelegatingConfigurationValidator extends AbstractLogEnabled
32 implements Configurable, Initializable, Disposable,
33 ConfigurationValidator, ConfigurationValidatorMBean
34 {
35 private static final Resources REZ =
36 ResourceManager.getPackageResources( DelegatingConfigurationValidator.class );
37
38 private Map m_blockTypeMap = Collections.synchronizedMap( new HashMap () );
39
40 private Map m_delegates = new HashMap ();
41
42 private String m_supportedTypes;
43
44 public void configure( Configuration configuration )
45 throws ConfigurationException
46 {
47 final Configuration[] delegates = configuration.getChildren( "delegate" );
48 final StringBuffer types = new StringBuffer ();
49
50 for( int i = 0; i < delegates.length; i++ )
51 {
52 final String type = delegates[ i ].getAttribute( "schema-type" );
53
54 this.m_delegates.put( type,
55 new DelegateEntry( type,
56 delegates[ i ].getAttribute( "class" ),
57 delegates[ i ] )
58 );
59
60 if( i > 0 )
61 {
62 types.append( "," );
63 }
64
65 types.append( type );
66 }
67
68 this.m_supportedTypes = types.toString();
69 }
70
71 public void initialize()
72 throws Exception
73 {
74 for( Iterator i = m_delegates.values().iterator(); i.hasNext(); )
75 {
76 final DelegateEntry entry = (DelegateEntry)i.next();
77 final Class clazz = Class.forName( entry.getClassName() );
78 final ConfigurationValidator validator = (ConfigurationValidator)clazz.newInstance();
79
80 ContainerUtil.enableLogging( validator, getLogger() );
81 ContainerUtil.configure( validator, entry.getConfiguration() );
82 ContainerUtil.initialize( validator );
83
84 entry.setValidator( validator );
85 }
86 }
87
88 public void dispose()
89 {
90 for( Iterator i = m_delegates.values().iterator(); i.hasNext(); )
91 {
92 ContainerUtil.dispose( ((DelegateEntry)i.next()).getValidator() );
93 }
94 }
95
96 public void addSchema( String application, String block, String schemaType, String url )
97 throws ConfigurationException
98 {
99 final DelegateEntry entry = (DelegateEntry)this.m_delegates.get( schemaType );
100
101 if( entry == null )
102 {
103 final String msg = REZ.getString( "jarv.error.badtype",
104 schemaType,
105 this.m_supportedTypes );
106
107 throw new ConfigurationException( msg );
108 }
109
110 entry.getValidator().addSchema( application, block, schemaType, url );
111 this.m_blockTypeMap.put( createKey( application, block ), schemaType );
112 }
113
114 public boolean isFeasiblyValid( String application, String block, Configuration configuration )
115 throws ConfigurationException
116 {
117 final ConfigurationValidator delegate = getDelegate( application, block );
118
119 return delegate.isFeasiblyValid( application, block, configuration );
120 }
121
122 public boolean isValid( String application, String block, Configuration configuration )
123 throws ConfigurationException
124 {
125 final ConfigurationValidator delegate = getDelegate( application, block );
126
127 return delegate.isValid( application, block, configuration );
128 }
129
130 public void removeSchema( String application, String block )
131 {
132 final String type = (String )m_blockTypeMap.get( createKey( application, block ) );
133
134 if( null != type )
135 {
136 final DelegateEntry entry = (DelegateEntry)m_delegates.get( type );
137
138 entry.getValidator().removeSchema( application, block );
139 }
140 }
141
142 private ConfigurationValidator getDelegate( String application, String block )
143 throws ConfigurationException
144 {
145 final String type = (String )this.m_blockTypeMap.get( createKey( application, block ) );
146
147 if( null == type )
148 {
149 final String msg = REZ.getString( "jarv.error.noschema", application, block );
150
151 throw new ConfigurationException( msg );
152 }
153
154 return ((DelegateEntry)this.m_delegates.get( type )).getValidator();
155 }
156
157 private String createKey( String application, String block )
158 {
159 return application + "." + block;
160 }
161
162 public String getSchema( String application, String block )
163 {
164 final String type = (String )m_blockTypeMap.get( createKey( application, block ) );
165
166 if( null != type )
167 {
168 final DelegateEntry entry = (DelegateEntry)m_delegates.get( type );
169 final ConfigurationValidator validator = entry.getValidator();
170
171 if( validator instanceof ConfigurationValidatorMBean )
172 {
173 return ((ConfigurationValidatorMBean)validator).getSchema( application,
174 block );
175
176 }
177 }
178
179 return null;
180 }
181
182 public String getSchemaType( String application, String block )
183 {
184 return (String )this.m_blockTypeMap.get( createKey( application, block ) );
185 }
186 }
187 |
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