| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 javax.el; |
| |
| import java.lang.reflect.Method; |
| import java.util.Map; |
| |
| /** |
| * @since EL 3.0 |
| */ |
| public class ELManager { |
| |
| private StandardELContext context = null; |
| |
| public static ExpressionFactory getExpressionFactory() { |
| return Util.getExpressionFactory(); |
| } |
| |
| public StandardELContext getELContext() { |
| if (context == null) { |
| context = new StandardELContext(getExpressionFactory()); |
| } |
| |
| return context; |
| } |
| |
| public ELContext setELContext(ELContext context) { |
| StandardELContext oldContext = this.context; |
| this.context = new StandardELContext(context); |
| return oldContext; |
| } |
| |
| public void addBeanNameResolver(BeanNameResolver beanNameResolver) { |
| getELContext().addELResolver(new BeanNameELResolver(beanNameResolver)); |
| } |
| |
| public void addELResolver(ELResolver resolver) { |
| getELContext().addELResolver(resolver); |
| } |
| |
| public void mapFunction(String prefix, String function, Method method) { |
| getELContext().getFunctionMapper().mapFunction( |
| prefix, function, method); |
| } |
| |
| public void setVariable(String variable, ValueExpression expression) { |
| getELContext().getVariableMapper().setVariable(variable, expression); |
| } |
| |
| public void importStatic(String staticMemberName) |
| throws javax.el.ELException { |
| getELContext().getImportHandler().importStatic(staticMemberName); |
| } |
| |
| public void importClass(String className) throws javax.el.ELException { |
| getELContext().getImportHandler().importClass(className); |
| } |
| |
| public void importPackage(String packageName) { |
| getELContext().getImportHandler().importPackage(packageName); |
| } |
| |
| public Object defineBean(String name, Object bean) { |
| Map<String,Object> localBeans = getELContext().getLocalBeans(); |
| |
| if (bean == null) { |
| return localBeans.remove(name); |
| } else { |
| return localBeans.put(name, bean); |
| } |
| } |
| |
| public void addEvaluationListener(EvaluationListener listener) { |
| getELContext().addEvaluationListener(listener); |
| } |
| } |