49 lines
1.8 KiB
Java
49 lines
1.8 KiB
Java
/*
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* Copyright (C) 2008 Google Inc.
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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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* http://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.mcteam.factions.gson;
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import org.mcteam.factions.gson.annotations.SerializedName;
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/**
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* A {@link FieldNamingStrategy2} that acts as a chain of responsibility. If the
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* {@link org.mcteam.factions.gson.annotations.SerializedName} annotation is applied to a field then this
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* strategy will translate the name to the {@code serializedName.value()}; otherwise it delegates
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* to the wrapped {@link FieldNamingStrategy2}.
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*
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* <p>NOTE: this class performs JSON field name validation for any of the fields marked with
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* an {@code @SerializedName} annotation.</p>
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*
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* @see SerializedName
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*
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* @author Joel Leitch
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*/
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final class SerializedNameAnnotationInterceptingNamingPolicy implements FieldNamingStrategy2 {
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private static final JsonFieldNameValidator fieldNameValidator = new JsonFieldNameValidator();
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private final FieldNamingStrategy2 delegate;
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public SerializedNameAnnotationInterceptingNamingPolicy(FieldNamingStrategy2 delegate) {
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this.delegate = delegate;
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}
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public String translateName(FieldAttributes f) {
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Preconditions.checkNotNull(f);
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SerializedName serializedName = f.getAnnotation(SerializedName.class);
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return serializedName == null ? delegate.translateName(f)
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: fieldNameValidator.validate(serializedName.value());
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}
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}
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