Java tutorial
/** * 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 com.gst.infrastructure.reportmailingjob.data; import java.util.ArrayList; import java.util.List; import org.apache.commons.lang.StringUtils; import com.gst.infrastructure.core.data.EnumOptionData; public enum ReportMailingJobEmailAttachmentFileFormat { INVALID(0, "ReportMailingJobEmailAttachmentFileFormat.INVALID", "Invalid"), XLS(1, "ReportMailingJobEmailAttachmentFileFormat.XLS", "XLS"), PDF(2, "ReportMailingJobEmailAttachmentFileFormat.PDF", "PDF"), CSV(3, "ReportMailingJobEmailAttachmentFileFormat.CSV", "CSV"); private String code; private String value; private Integer id; private ReportMailingJobEmailAttachmentFileFormat(final Integer id, final String code, final String value) { this.value = value; this.code = code; this.id = id; } /** * Creates a new {@link ReportMailingJobEmailAttachmentFileFormat} object * * @param value the value of the enum constant * @return {@link ReportMailingJobEmailAttachmentFileFormat} object */ public static ReportMailingJobEmailAttachmentFileFormat newInstance(final String value) { ReportMailingJobEmailAttachmentFileFormat emailAttachmentFileFormat = INVALID; if (StringUtils.equalsIgnoreCase(value, XLS.value)) { emailAttachmentFileFormat = XLS; } else if (StringUtils.equalsIgnoreCase(value, PDF.value)) { emailAttachmentFileFormat = PDF; } else if (StringUtils.equalsIgnoreCase(value, CSV.value)) { emailAttachmentFileFormat = CSV; } return emailAttachmentFileFormat; } /** * Creates a new {@link ReportMailingJobEmailAttachmentFileFormat} object * * @param id the id of the enum constant * @return {@link ReportMailingJobEmailAttachmentFileFormat} object */ public static ReportMailingJobEmailAttachmentFileFormat newInstance(final Integer id) { ReportMailingJobEmailAttachmentFileFormat emailAttachmentFileFormat = INVALID; if (id == XLS.id) { emailAttachmentFileFormat = XLS; } else if (id == PDF.id) { emailAttachmentFileFormat = PDF; } else if (id == CSV.id) { emailAttachmentFileFormat = CSV; } return emailAttachmentFileFormat; } /** * @return the code */ public String getCode() { return code; } /** * @return the value */ public String getValue() { return value; } /** * @return the id */ public Integer getId() { return id; } /** * @return true if the enum is equals to "INVALID" */ public boolean isInvalid() { return this.equals(INVALID); } /** * @return true if the enum is not equals to "INVALID" */ public boolean isValid() { return !this.isInvalid(); } /** * @return list of valid ReportMailingJobEmailAttachmentFileFormat values **/ public static Object[] validValues() { List<Object> validValues = new ArrayList<>(); for (ReportMailingJobEmailAttachmentFileFormat constant : ReportMailingJobEmailAttachmentFileFormat .values()) { if (constant.isValid()) { validValues.add(constant.value); } } return validValues.toArray(); } /** * @return list of valid ReportMailingJobEmailAttachmentFileFormat values **/ public static Object[] validIds() { List<Object> validValues = new ArrayList<>(); for (ReportMailingJobEmailAttachmentFileFormat constant : ReportMailingJobEmailAttachmentFileFormat .values()) { if (constant.isValid()) { validValues.add(constant.id); } } return validValues.toArray(); } /** * get a {@link EnumOptionData} representation of the {@link ReportMailingJobEmailAttachmentFileFormat} object * * @return {@link EnumOptionData} object */ public EnumOptionData toEnumOptionData() { // get the long value of the enum id final Long id = (this.id != null) ? this.id.longValue() : null; return new EnumOptionData(id, code, value); } /** * get the {@link EnumOptionData} representation of all valid {@link ReportMailingJobEmailAttachmentFileFormat} objects * * @return List of {@link EnumOptionData} objects */ public static List<EnumOptionData> validOptions() { List<EnumOptionData> options = new ArrayList<>(); for (ReportMailingJobEmailAttachmentFileFormat constant : ReportMailingJobEmailAttachmentFileFormat .values()) { if (constant.isValid()) { options.add(constant.toEnumOptionData()); } } return options; } }