spring QualifierEntry 源码
spring QualifierEntry 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/parsing/QualifierEntry.java
/*
* Copyright 2002-2020 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
*
* https://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.beans.factory.parsing;
import org.springframework.util.StringUtils;
/**
* {@link ParseState} entry representing an autowire candidate qualifier.
*
* @author Mark Fisher
* @since 2.5
*/
public class QualifierEntry implements ParseState.Entry {
private final String typeName;
/**
* Create a new {@code QualifierEntry} instance.
* @param typeName the name of the qualifier type
*/
public QualifierEntry(String typeName) {
if (!StringUtils.hasText(typeName)) {
throw new IllegalArgumentException("Invalid qualifier type '" + typeName + "'");
}
this.typeName = typeName;
}
@Override
public String toString() {
return "Qualifier '" + this.typeName + "'";
}
}
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