| /* |
| * 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.myfaces.flow; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import javax.el.MethodExpression; |
| import javax.el.ValueExpression; |
| import javax.faces.flow.MethodCallNode; |
| import javax.faces.flow.Parameter; |
| |
| /** |
| * |
| * @since 2.2 |
| * @author Leonardo Uribe |
| */ |
| public class MethodCallNodeImpl extends MethodCallNode implements Freezable |
| { |
| private String _id; |
| private MethodExpression _methodExpression; |
| private ValueExpression _outcome; |
| |
| private List<Parameter> _parameters; |
| private List<Parameter> _unmodifiableParameters; |
| |
| private boolean _initialized; |
| |
| public MethodCallNodeImpl(String methodCallNodeId) |
| { |
| this._id = methodCallNodeId; |
| _parameters = new ArrayList<Parameter>(); |
| _unmodifiableParameters = Collections.unmodifiableList(_parameters); |
| } |
| |
| @Override |
| public MethodExpression getMethodExpression() |
| { |
| return _methodExpression; |
| } |
| |
| @Override |
| public ValueExpression getOutcome() |
| { |
| return _outcome; |
| } |
| |
| @Override |
| public List<Parameter> getParameters() |
| { |
| return _unmodifiableParameters; |
| } |
| |
| public void addParameter(Parameter parameter) |
| { |
| checkInitialized(); |
| _parameters.add(parameter); |
| } |
| |
| @Override |
| public String getId() |
| { |
| return _id; |
| } |
| |
| @Override |
| public void freeze() |
| { |
| _initialized = true; |
| |
| for (Parameter value : _parameters) |
| { |
| if (value instanceof Freezable) |
| { |
| ((Freezable)value).freeze(); |
| } |
| } |
| } |
| |
| private void checkInitialized() throws IllegalStateException |
| { |
| if (_initialized) |
| { |
| throw new IllegalStateException("Flow is inmutable once initialized"); |
| } |
| } |
| |
| public void setMethodExpression(MethodExpression methodExpression) |
| { |
| checkInitialized(); |
| this._methodExpression = methodExpression; |
| } |
| |
| public void setOutcome(ValueExpression outcome) |
| { |
| checkInitialized(); |
| this._outcome = outcome; |
| } |
| |
| public void setId(String id) |
| { |
| checkInitialized(); |
| this._id = id; |
| } |
| } |