Java tutorial
/* * Copyright 2010 TRICREO, Inc. (http://tricreo.jp/) * * Licensed 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 jp.tricreo.schemagenerator.domain.lifecycle.factory.impl; import jp.tricreo.schemagenerator.domain.lifecycle.factory.ActionFactory; import jp.tricreo.schemagenerator.domain.model.Action; import jp.tricreo.schemagenerator.domain.model.impl.EchoActionImpl; import jp.tricreo.schemagenerator.domain.model.impl.SqlActionImpl; import org.apache.commons.lang.Validate; /** * {@link ActionFactory}? * * * @author junichi */ public class ActionFactoryImpl implements ActionFactory { static final String SQL = "SQL:"; static final String ECHO = "ECHO:"; /** * {@inheritDoc} * * @param command ?SQL:?ECHO:????? */ @Override public Action<?> newAction(String command) { Validate.notNull(command); Validate.notEmpty(command); Action<?> action = null; if (command.startsWith(ECHO)) { action = new EchoActionImpl(command.substring(ECHO.length())); } else if (command.startsWith(SQL)) { action = new SqlActionImpl(command.substring(SQL.length())); } return action; } }