| /* |
| * Copyright 2003-2007 the original author or authors. |
| * |
| * 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 groovy.lang; |
| |
| import java.lang.reflect.Modifier; |
| |
| import org.codehaus.groovy.runtime.MetaClassHelper; |
| |
| /** |
| * Represents a property on a bean which may have a getter and/or a setter |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public abstract class MetaProperty { |
| |
| protected final String name; |
| protected Class type; |
| public static final String PROPERTY_SET_PREFIX = "set"; |
| |
| public MetaProperty(String name, Class type) { |
| this.name = name; |
| this.type = type; |
| } |
| |
| /** |
| * @return the property of the given object |
| * @throws Exception if the property could not be evaluated |
| */ |
| public abstract Object getProperty(Object object); |
| |
| /** |
| * Sets the property on the given object to the new value |
| * |
| * @param object on which to set the property |
| * @param newValue the new value of the property |
| * @throws RuntimeException if the property could not be set |
| */ |
| public abstract void setProperty(Object object, Object newValue); |
| |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * @return the type of the property |
| */ |
| public Class getType() { |
| return type; |
| } |
| |
| public int getModifiers() { |
| return Modifier.PUBLIC; |
| } |
| |
| public static String getGetterName(String propertyName, Class type) { |
| String prefix = type == boolean.class || type == Boolean.class ? "is" : "get"; |
| return prefix + MetaClassHelper.capitalize(propertyName); |
| } |
| |
| public static String getSetterName(String propertyName) { |
| return PROPERTY_SET_PREFIX + MetaClassHelper.capitalize(propertyName); |
| } |
| } |