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[api] Define standard property for handling duplicated keys
Signed-off-by: Jorge Bescos Gascon <jorge.bescos.gascon@oracle.com>
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/* | ||
* Copyright (c) 2021 Oracle and/or its affiliates. All rights reserved. | ||
* | ||
* This program and the accompanying materials are made available under the | ||
* terms of the Eclipse Public License v. 2.0, which is available at | ||
* http://www.eclipse.org/legal/epl-2.0. | ||
* | ||
* This Source Code may also be made available under the following Secondary | ||
* Licenses when the conditions for such availability set forth in the | ||
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License, | ||
* version 2 with the GNU Classpath Exception, which is available at | ||
* https://www.gnu.org/software/classpath/license.html. | ||
* | ||
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 | ||
*/ | ||
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package jakarta.json; | ||
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/** | ||
* This class contains the Json properties and values. | ||
* | ||
* @since 2.1 | ||
*/ | ||
public final class JsonConfig { | ||
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/** | ||
* Configuration property to define the strategy for handling duplicate keys. | ||
* | ||
* See {@link KeyStrategy} | ||
*/ | ||
public static final String KEY_STRATEGY = "jakarta.json.JsonConfig.keyStrategy" ; | ||
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/** | ||
* It avoids new instances of this class. | ||
*/ | ||
private JsonConfig() {} | ||
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/** | ||
* Contains the different values allowed for {@link #KEY_STRATEGY}. | ||
* | ||
* See {@link #KEY_STRATEGY} | ||
*/ | ||
public static enum KeyStrategy { | ||
/** | ||
* Configuration value that will take the value of the first match. | ||
*/ | ||
FIRST, | ||
/** | ||
* Configuration value that will take the value of the last match. | ||
*/ | ||
LAST, | ||
/** | ||
* Configuration value that will throw {@link JsonException} when duplicate key is found. | ||
*/ | ||
NONE; | ||
} | ||
} |