001package ball.util.ant.types; 002/*- 003 * ########################################################################## 004 * Utilities 005 * $Id: TypedAttributeType.java 5285 2020-02-05 04:23:21Z ball $ 006 * $HeadURL: svn+ssh://svn.hcf.dev/var/spool/scm/repository.svn/ball-util/trunk/src/main/java/ball/util/ant/types/TypedAttributeType.java $ 007 * %% 008 * Copyright (C) 2008 - 2020 Allen D. Ball 009 * %% 010 * Licensed under the Apache License, Version 2.0 (the "License"); 011 * you may not use this file except in compliance with the License. 012 * You may obtain a copy of the License at 013 * 014 * http://www.apache.org/licenses/LICENSE-2.0 015 * 016 * Unless required by applicable law or agreed to in writing, software 017 * distributed under the License is distributed on an "AS IS" BASIS, 018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 019 * See the License for the specific language governing permissions and 020 * limitations under the License. 021 * ########################################################################## 022 */ 023import ball.util.Factory; 024import ball.util.ant.taskdefs.NotNull; 025import java.beans.ConstructorProperties; 026import org.apache.tools.ant.BuildException; 027 028/** 029 * Class to provide a typed name-value (attribute) for 030 * {@link.uri http://ant.apache.org/ Ant} {@link org.apache.tools.ant.Task} 031 * implementations. 032 * 033 * {@bean.info} 034 * 035 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball} 036 * @version $Revision: 5285 $ 037 */ 038public class TypedAttributeType extends StringAttributeType { 039 private String type = String.class.getName(); 040 041 /** 042 * @param name The attribute name. 043 */ 044 @ConstructorProperties({ "name" }) 045 public TypedAttributeType(String name) { super(name); } 046 047 /** 048 * No-argument constructor. 049 */ 050 public TypedAttributeType() { this(null); } 051 052 @NotNull 053 public String getType() { return type; } 054 public void setType(String type) { this.type = type; } 055 056 public Object getTypedValue() throws BuildException { 057 return getTypedValue(getClass().getClassLoader()); 058 } 059 060 public Object getTypedValue(ClassLoader loader) throws BuildException { 061 Object object = null; 062 063 try { 064 Class<?> type = Class.forName(getType(), false, loader); 065 Factory<?> factory = new Factory<>(type); 066 067 object = factory.getInstance(getValue()); 068 } catch (BuildException exception) { 069 throw exception; 070 } catch (RuntimeException exception) { 071 throw exception; 072 } catch (Exception exception) { 073 throw new BuildException(exception); 074 } 075 076 return object; 077 } 078}