| /* |
| * 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.cocoon.forms.formmodel.algorithms; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.avalon.framework.context.Context; |
| import org.apache.avalon.framework.context.ContextException; |
| import org.apache.avalon.framework.context.Contextualizable; |
| import org.apache.avalon.framework.logger.LogEnabled; |
| import org.apache.avalon.framework.logger.Logger; |
| import org.apache.cocoon.forms.formmodel.CalculatedFieldAlgorithm; |
| |
| /** |
| * Abstract base class for algorithms. |
| * |
| * <p> This class implements the getTriggerWidgets method and holds the triggers list. It also implements |
| * Contextualizable and LogEnabled to give the algorithms access to the cocoon's ObjectModel and Loggers. |
| * </p> |
| * |
| * @version $Id$ |
| */ |
| public abstract class AbstractBaseAlgorithm implements CalculatedFieldAlgorithm, LogEnabled, Contextualizable { |
| |
| protected List triggers = new ArrayList(); |
| private Logger logger = null; |
| private Context context = null; |
| |
| public Iterator getTriggerWidgets() { |
| return triggers.iterator(); |
| } |
| |
| public void addTrigger(String widget) { |
| this.triggers.add(widget); |
| } |
| |
| public void enableLogging(Logger logger) { |
| this.logger = logger; |
| } |
| |
| protected Logger getLogger() { |
| return this.logger; |
| } |
| |
| public void contextualize(Context context) throws ContextException { |
| this.context = context; |
| } |
| |
| protected Context getContext() { |
| return this.context; |
| } |
| |
| public void clearTriggers() { |
| this.triggers.clear(); |
| } |
| |
| } |