com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder Maven / Gradle / Ivy
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package com.fasterxml.jackson.databind.annotation;
import java.lang.annotation.*;
/**
* Annotation used to configure details of a Builder class:
* instances of which are used as Builders for deserialized
* POJO values, instead of POJOs being instantiated using
* constructors or factory methods.
* Note that this annotation is NOT used to define what is
* the Builder class for a POJO: rather, this is determined
* by {@link JsonDeserialize#builder} property of {@link JsonDeserialize}.
*
* Annotation is typically used if the naming convention
* of a Builder class is different from defaults:
*
*
*
* @since 2.0
*/
@Target({ElementType.ANNOTATION_TYPE, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@com.fasterxml.jackson.annotation.JacksonAnnotation
public @interface JsonPOJOBuilder
{
/**
* Property to use for re-defining which zero-argument method
* is considered the actual "build-method": method called after
* all data has been bound, and the actual instance needs to
* be instantiated.
*
* Default value is "build".
*/
public String buildMethodName() default "build";
/**
* Property used for (re)defining name prefix to use for
* auto-detecting "with-methods": methods that are similar to
* "set-methods" (in that they take an argument), but that
* may also return the new builder instance to use
* (which may be 'this', or a new modified builder instance).
* Note that in addition to this prefix, it is also possible
* to use {@link com.fasterxml.jackson.annotation.JsonProperty}
* annotation to indicate "with-methods" (as well as
* {@link com.fasterxml.jackson.annotation.JsonSetter}).
*
* Default value is "with", so that method named "withValue()"
* would be used for binding JSON property "value" (using type
* indicated by the argument; or one defined with annotations.
*/
public String withPrefix() default "with";
/*
/**********************************************************
/* Helper classes
/**********************************************************
*/
/**
* Simple value container for containing values read from
* {@link JsonPOJOBuilder} annotation instance.
*/
public class Value
{
public final String buildMethodName;
public final String withPrefix;
public Value(JsonPOJOBuilder ann)
{
buildMethodName = ann.buildMethodName();
withPrefix = ann.withPrefix();
}
}
}