AbstractPipelineComponent.java
- /*
- *
- * The DbUnit Database Testing Framework
- * Copyright (C)2002-2004, DbUnit.org
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- package org.dbunit.dataset.common.handlers;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * @author fede
- * @author Last changed by: $Author$
- * @version $Revision$ $Date$
- * @since 2.2 (Sep 12, 2004)
- */
- public abstract class AbstractPipelineComponent implements PipelineComponent {
- /**
- * Logger for this class
- */
- private static final Logger logger = LoggerFactory.getLogger(AbstractPipelineComponent.class);
- private PipelineComponent successor;
- private Pipeline pipeline;
- private Helper helper;
- protected PipelineComponent getSuccessor() {
- return successor;
- }
- public Pipeline getPipeline() {
- return pipeline;
- }
- public void setPipeline(Pipeline pipeline) {
- logger.debug("setPipeline(pipeline={}) - start", pipeline);
- this.pipeline = pipeline;
- }
- protected PipelineConfig getPipelineConfig() {
- if(this.getPipeline() != null) {
- return this.getPipeline().getPipelineConfig();
- }
- else {
- throw new IllegalStateException("The pipeline is not set for this component. Cannot proceed");
- }
- }
- public void setSuccessor(PipelineComponent successor) {
- logger.debug("setSuccessor(successor={}) - start", successor);
- this.successor = successor;
- }
- private StringBuilder getThePiece() {
- return getPipeline().getCurrentProduct();
- }
- public void handle(char c) throws IllegalInputCharacterException, PipelineException {
- if(logger.isDebugEnabled())
- logger.debug("handle(c={}) - start", c);
- if (!canHandle(c)) {
- getSuccessor().handle(c);
- } else {
- getHelper().helpWith(c);
- }
- }
- public void noMoreInput() {
- logger.debug("noMoreInput() - start");
- if (allowForNoMoreInput()) {
- if (getSuccessor()!= null)
- getSuccessor().noMoreInput();
- }
- }
- public boolean allowForNoMoreInput() {
- logger.debug("allowForNoMoreInput() - start");
- return getHelper().allowForNoMoreInput();
- }
- protected static PipelineComponent createPipelineComponent(AbstractPipelineComponent handler, Helper helper) {
- logger.debug("createPipelineComponent(handler={}, helper={}) - start", handler, helper);
- helper.setHandler(handler);
- handler.setHelper(helper);
- return handler;
- }
- /**
- * Method invoked when the character should be accepted
- * @param c
- */
- public void accept(char c) {
- getThePiece().append(c);
- }
- protected Helper getHelper() {
- return helper;
- }
- private void setHelper(Helper helper) {
- logger.debug("setHelper(helper={}) - start", helper);
- this.helper = helper;
- }
- static protected class IGNORE extends Helper {
- public void helpWith(char c) {
- // IGNORE
- }
- }
- static protected class ACCEPT extends Helper {
- public void helpWith(char c) {
- if(logger.isDebugEnabled())
- logger.debug("helpWith(c={}) - start", c);
-
- getHandler().accept(c);
- }
- }
- }