| /* |
| * 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 org.apache.el.lang; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.el.ValueExpression; |
| import javax.el.VariableMapper; |
| |
| public class VariableMapperImpl extends VariableMapper implements Externalizable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private Map<String, ValueExpression> vars = new HashMap<String, ValueExpression>(); |
| |
| public VariableMapperImpl() { |
| super(); |
| } |
| |
| @Override |
| public ValueExpression resolveVariable(String variable) { |
| return this.vars.get(variable); |
| } |
| |
| @Override |
| public ValueExpression setVariable(String variable, |
| ValueExpression expression) { |
| return this.vars.put(variable, expression); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| this.vars = (Map<String, ValueExpression>) in.readObject(); |
| } |
| |
| @Override |
| public void writeExternal(ObjectOutput out) throws IOException { |
| out.writeObject(this.vars); |
| } |
| } |