91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package javax.el;
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import java.lang.reflect.Method;
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import java.util.Map;
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/**
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* @since EL 3.0
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*/
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public class ELManager {
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private StandardELContext context = null;
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public static ExpressionFactory getExpressionFactory() {
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return Util.getExpressionFactory();
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}
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public StandardELContext getELContext() {
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if (context == null) {
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context = new StandardELContext(getExpressionFactory());
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}
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return context;
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}
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public ELContext setELContext(ELContext context) {
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StandardELContext oldContext = this.context;
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this.context = new StandardELContext(context);
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return oldContext;
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}
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public void addBeanNameResolver(BeanNameResolver beanNameResolver) {
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getELContext().addELResolver(new BeanNameELResolver(beanNameResolver));
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}
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public void addELResolver(ELResolver resolver) {
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getELContext().addELResolver(resolver);
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}
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public void mapFunction(String prefix, String function, Method method) {
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getELContext().getFunctionMapper().mapFunction(
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prefix, function, method);
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}
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public void setVariable(String variable, ValueExpression expression) {
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getELContext().getVariableMapper().setVariable(variable, expression);
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}
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public void importStatic(String staticMemberName)
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throws javax.el.ELException {
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getELContext().getImportHandler().importStatic(staticMemberName);
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}
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public void importClass(String className) throws javax.el.ELException {
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getELContext().getImportHandler().importClass(className);
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}
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public void importPackage(String packageName) {
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getELContext().getImportHandler().importPackage(packageName);
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}
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public Object defineBean(String name, Object bean) {
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Map<String,Object> localBeans = getELContext().getLocalBeans();
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if (bean == null) {
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return localBeans.remove(name);
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} else {
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return localBeans.put(name, bean);
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}
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}
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public void addEvaluationListener(EvaluationListener listener) {
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getELContext().addEvaluationListener(listener);
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}
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}
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