| // Copyright 2008, 2010 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.internal.services; |
| |
| /** |
| * A cache for converting between class names and component (or other) classes. For component classes, ensures that the |
| * class is the transformed class. |
| */ |
| public interface ComponentClassCache |
| { |
| /** |
| * Gets the Class instance for the given fully-qualified class name. |
| * |
| * @param className |
| * fully qualified class name, or a primitive type name, or an array name (in source format) |
| * @return the class instance |
| */ |
| Class forName(String className); |
| |
| /** |
| * Computes the default value for a field of the given type, returns the appropriate |
| * default value. This is typically null, but may be false (for a primitive boolean) or some |
| * version of 0 (for a primitive numeric field). Wrapper types will still be null. |
| * |
| * @param className |
| * type of field |
| * @since 5.2.0 |
| */ |
| Object defaultValueForType(String className); |
| } |