| /* |
| * Copyright 2002,2004 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.commons.jelly.tags.dynabean; |
| |
| import org.apache.commons.beanutils.DynaProperty; |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.MissingAttributeException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| |
| /** |
| * DynaProperty tag defines a property of a DynaClass |
| * It can only exist inside a DynaClass parent context |
| * The properties are added to the properties array |
| * of the parent context, and will be used to |
| * create the DynaClass object |
| * |
| * @author Theo Niemeijer |
| * @version 1.0 |
| */ |
| public class PropertyTag extends TagSupport { |
| |
| private String name; |
| private String type; |
| private Class propertyClass; |
| private DynaProperty prop; |
| |
| public PropertyTag() { |
| } |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag (XMLOutput output) throws MissingAttributeException, JellyTagException { |
| |
| // Check that this tag is used inside the body of |
| // a DynaClass tag, so that it can access the |
| // context of that tag |
| DynaclassTag parentTag = (DynaclassTag) findAncestorWithClass( DynaclassTag.class ); |
| if ( parentTag == null ) { |
| throw new JellyTagException( "This tag must be enclosed inside a <dynaclass> tag" ); |
| } |
| |
| // Check property name |
| if (name == null) { |
| throw new MissingAttributeException( "name" ); |
| } |
| |
| // Lookup appropriate property class |
| Class propClass = propertyClass; |
| if (propClass == null) { |
| |
| // Check property type |
| if (type == null) { |
| throw new MissingAttributeException( "type" ); |
| } |
| |
| if (type.equals("String")) { |
| propClass = String.class; |
| } |
| else if (type.equals("Integer")) { |
| propClass = Integer.TYPE; |
| } |
| else if (type.equals("Short")) { |
| propClass = Short.TYPE; |
| } |
| else if (type.equals("Long")) { |
| propClass = Long.TYPE; |
| } |
| else if (type.equals("Float")) { |
| propClass = Float.TYPE; |
| } |
| else if (type.equals("Double")) { |
| propClass = Double.TYPE; |
| } |
| else if (type.equals("Long")) { |
| propClass = Long.TYPE; |
| } |
| |
| if (propClass == null) { |
| try { |
| propClass = Class.forName(type); |
| } |
| catch (Exception e) { |
| throw new JellyTagException |
| ("Class " + type + |
| " not found by Class.forName"); |
| } |
| } |
| } |
| |
| // Create dynaproperty object with given name and type |
| prop = new DynaProperty (name, propClass); |
| |
| // Add new property to dynaclass context |
| parentTag.addDynaProperty(prop); |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Sets the name of this property |
| */ |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| /** |
| * Sets the type name of this property |
| */ |
| public void setType(String type) { |
| this.type = type; |
| } |
| |
| /** |
| * Returns the Class for this property |
| */ |
| public Class getPropertyClass() { |
| return propertyClass; |
| } |
| |
| /** |
| * Sets the Class instance for this property |
| */ |
| public void setPropertyClass(Class propertyClass) { |
| this.propertyClass = propertyClass; |
| } |
| |
| } |