spring ResourceBundleHint 源码
spring ResourceBundleHint 代码
文件路径：/spring-core/src/main/java/org/springframework/aot/hint/ResourceBundleHint.java
/*
* Copyright 2002-2022 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.aot.hint;
import java.util.Objects;
import java.util.ResourceBundle;
import org.springframework.lang.Nullable;
/**
* A hint that describes the need to access a {@link ResourceBundle}.
*
* @author Stephane Nicoll
* @author Brian Clozel
* @since 6.0
*/
public final class ResourceBundleHint implements ConditionalHint {
private final String baseName;
@Nullable
private final TypeReference reachableType;
ResourceBundleHint(Builder builder) {
this.baseName = builder.baseName;
this.reachableType = builder.reachableType;
}
/**
* Return the {@code baseName} of the resource bundle.
* @return the base name
*/
public String getBaseName() {
return this.baseName;
}
@Nullable
@Override
public TypeReference getReachableType() {
return this.reachableType;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ResourceBundleHint that = (ResourceBundleHint) o;
return this.baseName.equals(that.baseName)
&& Objects.equals(this.reachableType, that.reachableType);
}
@Override
public int hashCode() {
return Objects.hash(this.baseName, this.reachableType);
}
/**
* Builder for {@link ResourceBundleHint}.
*/
public static class Builder {
private String baseName;
@Nullable
private TypeReference reachableType;
Builder(String baseName) {
this.baseName = baseName;
}
/**
* Make this hint conditional on the fact that the specified type
* can be resolved.
* @param reachableType the type that should be reachable for this
* hint to apply
* @return {@code this}, to facilitate method chaining
*/
public Builder onReachableType(TypeReference reachableType) {
this.reachableType = reachableType;
return this;
}
/**
* Use the the {@code baseName} of the resource bundle.
* @return {@code this}, to facilitate method chaining
*/
public Builder baseName(String baseName) {
this.baseName = baseName;
return this;
}
/**
* Creates a {@link ResourceBundleHint} based on the state of this
* builder.
* @return a resource bundle hint
*/
ResourceBundleHint build() {
return new ResourceBundleHint(this);
}
}
}
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