| /* |
| * Copyright 2004-2005 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 org.codehaus.groovy.grails.web.metaclass; |
| |
| import groovy.lang.GroovyObject; |
| import groovy.lang.MissingMethodException; |
| import groovy.lang.ProxyMetaClass; |
| import org.codehaus.groovy.grails.commons.metaclass.AbstractDynamicMethodInvocation; |
| import org.codehaus.groovy.grails.commons.metaclass.GenericDynamicProperty; |
| import org.codehaus.groovy.grails.commons.metaclass.GroovyDynamicMethodsInterceptor; |
| import org.codehaus.groovy.grails.web.taglib.exceptions.GrailsTagException; |
| |
| import java.beans.IntrospectionException; |
| import java.io.Writer; |
| |
| /** |
| * <p>Represents a controller class in Grails. |
| * |
| * @author Graeme Rocher |
| * @since Jan 14, 20056 |
| */ |
| public class TagLibDynamicMethods extends GroovyDynamicMethodsInterceptor { |
| public static final String OUT_PROPERTY = "out"; |
| private static final String THROW_TAG_ERROR_METHOD = "throwTagError"; |
| |
| public TagLibDynamicMethods(GroovyObject taglib, GroovyObject controller) throws IntrospectionException { |
| super(taglib); |
| |
| ProxyMetaClass controllerMetaClass = (ProxyMetaClass)controller.getMetaClass(); |
| ControllerDynamicMethods controllerDynamicMethods = (ControllerDynamicMethods)controllerMetaClass.getInterceptor(); |
| |
| |
| addDynamicProperty(new GenericDynamicProperty(OUT_PROPERTY, Writer.class,false)); |
| |
| // add dynamic properties (shared with controller) |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(GetParamsDynamicProperty.PROPERTY_NAME)); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(GetSessionDynamicProperty.PROPERTY_NAME)); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(ControllerDynamicMethods.REQUEST_PROPERTY)); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(ControllerDynamicMethods.RESPONSE_PROPERTY) ); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(ControllerDynamicMethods.SERVLET_CONTEXT) ); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(ControllerDynamicMethods.GRAILS_ATTRIBUTES) ); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(ControllerDynamicMethods.FLASH_SCOPE_PROPERTY) ); |
| addDynamicProperty(controllerDynamicMethods.getDynamicProperty(ControllerDynamicMethods.GRAILS_APPLICATION)); |
| |
| addDynamicMethodInvocation(new AbstractDynamicMethodInvocation(THROW_TAG_ERROR_METHOD) { |
| public Object invoke(Object target, Object[] arguments) { |
| if(arguments.length == 0) |
| throw new MissingMethodException(THROW_TAG_ERROR_METHOD,target.getClass(),arguments); |
| throw new GrailsTagException(arguments[0].toString()); |
| } |
| }); |
| } |
| } |