1 package org.apache.commons.digester3.annotations;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.HashSet;
23 import java.util.Set;
24
25 import org.apache.commons.digester3.binder.LinkedRuleBuilder;
26 import org.apache.commons.digester3.binder.RulesBinder;
27 import org.apache.commons.digester3.binder.RulesModule;
28
29 /**
30 * A {@link RulesBinder} implementation with memory to maintain
31 * which classes have already been analyzed.
32 *
33 * @since 3.0
34 */
35 final class WithMemoryRulesBinder
36 implements RulesBinder
37 {
38
39 /**
40 * Maintains all the classes that this RuleSet produces mapping for.
41 */
42 private final Set<Class<?>> boundClasses = new HashSet<Class<?>>();
43
44 private final RulesBinder wrappedRulesBinder;
45
46 public WithMemoryRulesBinder( final RulesBinder wrappedRulesBinder )
47 {
48 this.wrappedRulesBinder = wrappedRulesBinder;
49 }
50
51 /**
52 * {@inheritDoc}
53 */
54 public ClassLoader getContextClassLoader()
55 {
56 return wrappedRulesBinder.getContextClassLoader();
57 }
58
59 /**
60 * {@inheritDoc}
61 */
62 public void addError( String messagePattern, Object... arguments )
63 {
64 wrappedRulesBinder.addError( messagePattern, arguments );
65 }
66
67 /**
68 * {@inheritDoc}
69 */
70 public void addError( Throwable t )
71 {
72 wrappedRulesBinder.addError( t );
73 }
74
75 /**
76 * {@inheritDoc}
77 */
78 public void install( RulesModule rulesModule )
79 {
80 wrappedRulesBinder.install( rulesModule );
81 }
82
83 /**
84 * {@inheritDoc}
85 */
86 public LinkedRuleBuilder forPattern( String pattern )
87 {
88 return wrappedRulesBinder.forPattern( pattern );
89 }
90
91 /**
92 *
93 *
94 * @param bindingClass
95 * @return true if the specified element has not yet been marked
96 */
97 public boolean markAsBound( Class<?> bindingClass )
98 {
99 return boundClasses.add( bindingClass );
100 }
101
102 /**
103 *
104 *
105 * @param bindingClass
106 * @return true if the specified element has been marked
107 */
108 public boolean isAlreadyBound( Class<?> bindingClass )
109 {
110 return boundClasses.contains( bindingClass );
111 }
112
113 }