com.aspectran.core.component.bean.NoUniqueBeanException Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2019 The Aspectran Project
*
* 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.aspectran.core.component.bean;
import com.aspectran.core.context.rule.BeanRule;
import com.aspectran.core.util.StringUtils;
/**
* The Class NoUniqueBeanException.
*/
public class NoUniqueBeanException extends BeanException {
/** @serial */
private static final long serialVersionUID = 8350428939010030065L;
private final Class type;
private final BeanRule[] beanRules;
/**
* Instantiates a new NoUniqueBeanException.
*
* @param type the required type of the missing bean
* @param beanRules the bean rules
*/
public NoUniqueBeanException(Class type, BeanRule[] beanRules) {
super("No qualifying bean of type '" + type + "' is defined: expected single matching bean but found " +
beanRules.length + ": [" + getBeanDescriptions(beanRules) + "]");
this.type = type;
this.beanRules = beanRules;
}
/**
* Returns the type required type of the missing bean.
*
* @return the required type
*/
public Class getType() {
return type;
}
/**
* Gets the bean rules.
*
* @return the bean rules
*/
public BeanRule[] getBeanRules() {
return beanRules;
}
public static String getBeanDescriptions(BeanRule[] beanRules) {
String[] describes = new String[beanRules.length];
for (int i = 0; i < describes.length; i++) {
describes[i] = beanRules[i].toString();
}
return StringUtils.joinCommaDelimitedList(describes);
}
}