51 lines
1.4 KiB
Java
51 lines
1.4 KiB
Java
/*
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* Copyright 2020-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.security.oauth2.core.context;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import org.springframework.lang.Nullable;
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import org.springframework.util.Assert;
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/**
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* @author Joe Grandja
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* @since 0.1.0
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*/
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final class DefaultContext implements Context {
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private final Map<Object, Object> context;
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DefaultContext(Map<Object, Object> context) {
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Assert.notNull(context, "context cannot be null");
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this.context = Collections.unmodifiableMap(new HashMap<>(context));
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}
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@SuppressWarnings("unchecked")
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@Override
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@Nullable
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public <V> V get(Object key) {
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return hasKey(key) ? (V) this.context.get(key) : null;
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}
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@Override
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public boolean hasKey(Object key) {
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Assert.notNull(key, "key cannot be null");
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return this.context.containsKey(key);
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}
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}
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