javax.xml.bind.annotation.XmlValue Maven / Gradle / Ivy
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/*
* Copyright (c) 2004, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package javax.xml.bind.annotation;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;
/**
*
* Enables mapping a class to a XML Schema complex type with a
* simpleContent or a XML Schema simple type.
*
*
*
* Usage:
*
* The {@code @XmlValue} annotation can be used with the following program
* elements:
*
* - a JavaBean property.
* - non static, non transient field.
*
*
* See "Package Specification" in javax.xml.bind.package javadoc for
* additional common information.
*
* The usage is subject to the following usage constraints:
*
* - At most one field or property can be annotated with the
* {@code @XmlValue} annotation.
*
* - {@code @XmlValue} can be used with the following
* annotations: {@link XmlList}. However this is redundant since
* {@link XmlList} maps a type to a simple schema type that derives by
* list just as {@link XmlValue} would.
*
* - If the type of the field or property is a collection type,
* then the collection item type must map to a simple schema
* type.
*
* - If the type of the field or property is not a collection
* type, then the type must map to a XML Schema simple type.
*
*
*
* If the annotated JavaBean property is the sole class member being
* mapped to XML Schema construct, then the class is mapped to a
* simple type.
*
* If there are additional JavaBean properties (other than the
* JavaBean property annotated with {@code @XmlValue} annotation)
* that are mapped to XML attributes, then the class is mapped to a
* complex type with simpleContent.
*
*
* Example 1: Map a class to XML Schema simpleType
*
*
*
* // Example 1: Code fragment
* public class USPrice {
* @XmlValue
* public java.math.BigDecimal price;
* }
* {@code
*
*
*
*
*
* }
*
* Example 2: Map a class to XML Schema complexType with
* with simpleContent.
*
*
*
* // Example 2: Code fragment
* public class InternationalPrice {
* @XmlValue
* public java.math.BigDecimal price;
*
* @XmlAttribute
* public String currency;
* }
* {@code
*
*
*
*
*
*
*
*
*
* }
*
* @author Sekhar Vajjhala, Sun Microsystems, Inc.
* @see XmlType
* @since 1.6, JAXB 2.0
*/
@Retention(RUNTIME) @Target({FIELD, METHOD})
public @interface XmlValue {}