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Spring Framework example source code file (LetterCodedLabeledEnum.java)
The Spring Framework LetterCodedLabeledEnum.java source code/* * Copyright 2002-2005 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 org.springframework.core.enums; import org.springframework.util.Assert; /** * Implementation of LabeledEnum which uses a letter as the code type. * * <p>Should almost always be subclassed, but for some simple situations it may be * used directly. Note that you will not be able to use unique type-based functionality * like <code>LabeledEnumResolver.getLabeledEnumSet(type) in this case. * * @author Keith Donald * @since 1.2.2 */ public class LetterCodedLabeledEnum extends AbstractGenericLabeledEnum { /** * The unique code of this enum. */ private final Character code; /** * Create a new LetterCodedLabeledEnum instance. * @param code the letter code * @param label the label (can be <code>null) */ public LetterCodedLabeledEnum(char code, String label) { super(label); Assert.isTrue(Character.isLetter(code), "The code '" + code + "' is invalid: it must be a letter"); this.code = new Character(code); } public Comparable getCode() { return code; } /** * Return the letter code of this LabeledEnum instance. */ public char getLetterCode() { return ((Character) getCode()).charValue(); } } Other Spring Framework examples (source code examples)Here is a short list of links related to this Spring Framework LetterCodedLabeledEnum.java source code file: |
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