Java tutorial
/* * * * Copyright 2015-2016 the original author or authors. * * * * 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 com.yqboots.initializer.core.builder.excel; import com.yqboots.initializer.core.ProjectMetadata; import org.apache.commons.lang3.StringUtils; import org.apache.poi.ss.usermodel.Sheet; import java.io.IOException; import java.nio.file.Path; /** * Abstraction for sheet builder. * <p>It does the following things when building from a sheet:</p> * <ul> * <li>supports - Simply checks the sheet name prefix to match different sheet builders</li> * <li>formatChecking - Simply checks the header</li> * <li>doBuild - do the actual build</li> * </ul> * * @author Eric H B Zhan * @since 1.0.0 */ public abstract class AbstractSheetBuilder implements SheetBuilder { private final String sheetName; public AbstractSheetBuilder(final String sheetName) { this.sheetName = sheetName; } @Override public boolean supports(final Sheet sheet) { final String name = StringUtils.trim(sheet.getSheetName()); return StringUtils.startsWithIgnoreCase(name, this.sheetName); } @Override public void build(final Path root, final ProjectMetadata metadata, final Sheet sheet) throws IOException { formatChecking(sheet); doBuild(root, metadata, sheet); } protected abstract void formatChecking(final Sheet sheet); protected abstract void doBuild(final Path root, final ProjectMetadata metadata, final Sheet sheet) throws IOException; }