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80 lines
1.7 KiB
80 lines
1.7 KiB
/*
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* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package javax.xml.bind.annotation;
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import javax.xml.bind.JAXBContext;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import static java.lang.annotation.RetentionPolicy.RUNTIME;
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import java.lang.annotation.Target;
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/**
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* Instructs JAXB to also bind other classes when binding this class.
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*
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* <p>
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* Java makes it impractical/impossible to list all sub-classes of
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* a given class. This often gets in a way of JAXB users, as it JAXB
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* cannot automatically list up the classes that need to be known
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* to {@link JAXBContext}.
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*
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* <p>
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* For example, with the following class definitions:
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*
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* <pre>
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* class Animal {}
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* class Dog extends Animal {}
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* class Cat extends Animal {}
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* </pre>
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*
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* <p>
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* The user would be required to create {@link JAXBContext} as
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* <tt>JAXBContext.newInstance(Dog.class,Cat.class)</tt>
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* (<tt>Animal</tt> will be automatically picked up since <tt>Dog</tt>
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* and <tt>Cat</tt> refers to it.)
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*
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* <p>
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* {@link XmlSeeAlso} annotation would allow you to write:
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* <pre>
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* @XmlSeeAlso({Dog.class,Cat.class})
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* class Animal {}
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* class Dog extends Animal {}
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* class Cat extends Animal {}
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* </pre>
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*
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* <p>
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* This would allow you to do <tt>JAXBContext.newInstance(Animal.class)</tt>.
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* By the help of this annotation, JAXB implementations will be able to
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* correctly bind <tt>Dog</tt> and <tt>Cat</tt>.
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*
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* @author Kohsuke Kawaguchi
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* @since JAXB2.1
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*/
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@Target({ElementType.TYPE})
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@Retention(RUNTIME)
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public @interface XmlSeeAlso {
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Class[] value();
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}
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