spring-authorization-server DefaultOAuth2TokenContext 源码
spring-authorization-server DefaultOAuth2TokenContext 代码
文件路径：/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/token/DefaultOAuth2TokenContext.java
/*
* Copyright 2020-2022 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.security.oauth2.server.authorization.token;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* Default implementation of {@link OAuth2TokenContext}.
*
* @author Joe Grandja
* @since 0.2.3
* @see OAuth2TokenContext
*/
public final class DefaultOAuth2TokenContext implements OAuth2TokenContext {
private final Map<Object, Object> context;
private DefaultOAuth2TokenContext(Map<Object, Object> context) {
this.context = Collections.unmodifiableMap(new HashMap<>(context));
}
@SuppressWarnings("unchecked")
@Nullable
@Override
public <V> V get(Object key) {
return hasKey(key) ? (V) this.context.get(key) : null;
}
@Override
public boolean hasKey(Object key) {
Assert.notNull(key, "key cannot be null");
return this.context.containsKey(key);
}
/**
* Returns a new {@link Builder}.
*
* @return the {@link Builder}
*/
public static Builder builder() {
return new Builder();
}
/**
* A builder for {@link DefaultOAuth2TokenContext}.
*/
public static final class Builder extends AbstractBuilder<DefaultOAuth2TokenContext, Builder> {
private Builder() {
}
/**
* Builds a new {@link DefaultOAuth2TokenContext}.
*
* @return the {@link DefaultOAuth2TokenContext}
*/
public DefaultOAuth2TokenContext build() {
return new DefaultOAuth2TokenContext(getContext());
}
}
}
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