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1   package org.apache.commons.beanutils2;
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 static java.lang.Thread.currentThread;
23  import static org.apache.commons.beanutils2.Assertions.checkNotNull;
24  
25  final class DefaultClassLoaderBuilder
26      implements ClassLoaderBuilder
27  {
28  
29      private final String beanTypeName;
30  
31      public DefaultClassLoaderBuilder( String beanTypeName )
32      {
33          this.beanTypeName = beanTypeName;
34      }
35  
36      /**
37       * {@inheritDoc}
38       */
39      public ClassAccessor<?> loadWithThreadContextClassLoader()
40      {
41          return loadWith( currentThread().getContextClassLoader() );
42      }
43  
44      /**
45       * {@inheritDoc}
46       */
47      public ClassAccessor<?> loadWithBeanUtilsClassLoader()
48      {
49          return loadWith( getClass().getClassLoader() );
50      }
51  
52      /**
53       * {@inheritDoc}
54       */
55      public ClassAccessor<?> loadWith( ClassLoader classLoader )
56      {
57          classLoader = checkNotNull( classLoader, "No ClassLoader specified" );
58  
59          Class<?> beanType;
60          try
61          {
62              beanType = classLoader.loadClass( beanTypeName );
63          }
64          catch ( ClassNotFoundException e )
65          {
66              throw new BeanClassNotFoundException( beanTypeName, e );
67          }
68  
69          @SuppressWarnings( { "rawtypes", "unchecked" } ) // ClassAccessor raw type is unknown
70          DefaultClassAccessor<?> accessor = new DefaultClassAccessor( beanType );
71          return accessor;
72      }
73  
74  }