001/* 002 * Copyright 2002-2020 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.beans.factory.parsing; 018 019import org.springframework.util.StringUtils; 020 021/** 022 * {@link ParseState} entry representing an autowire candidate qualifier. 023 * 024 * @author Mark Fisher 025 * @since 2.5 026 */ 027public class QualifierEntry implements ParseState.Entry { 028 029 private final String typeName; 030 031 032 /** 033 * Create a new {@code QualifierEntry} instance. 034 * @param typeName the name of the qualifier type 035 */ 036 public QualifierEntry(String typeName) { 037 if (!StringUtils.hasText(typeName)) { 038 throw new IllegalArgumentException("Invalid qualifier type '" + typeName + "'"); 039 } 040 this.typeName = typeName; 041 } 042 043 044 @Override 045 public String toString() { 046 return "Qualifier '" + this.typeName + "'"; 047 } 048 049}