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A Java un/marshalling library for CSV, XML, delimited and fixed length stream formats.
/*
* Copyright 2013 Kevin Seim
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.beanio.annotation;
import java.lang.annotation.*;
import org.beanio.builder.*;
import org.beanio.types.TypeHandler;
/**
* Field annotation applied to class attributes, methods or constructor parameters.
*
* @author Kevin Seim
* @since 2.1.0
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
public @interface Field {
/**
* The field name.
* @return the field name
*/
String name() default "";
/**
* Sets the position of the field.
* @return the position
*/
int at() default Integer.MIN_VALUE;
/**
* Sets the maximum position of a field that repeats for
* an indeterminate number of times.
* @return the maximum position
*/
int until() default Integer.MIN_VALUE;
/**
* The padded length of the field.
* @return the length
*/
int length() default Integer.MIN_VALUE;
/**
* The character used to pad the field.
* @return the character
*/
int padding() default Integer.MIN_VALUE;
/**
* Whether to keep the field padding during unmarshalling.
* @return true to keep padding, false otherwise
*/
boolean keepPadding() default false;
/**
* The alignment of a padded field.
* @return {@link Align}
*/
Align align() default Align.LEFT;
/**
* The getter method.
* @return the getter method name
*/
String getter() default "";
/**
* The setter method.
* @return the setter method name
*/
String setter() default "";
/**
* The field type, if it can not be detected from the method
* or field declaration.
* @return the field type
*/
Class type() default Void.class;
/**
* The {@link TypeHandler} implementation class for this field.
* @return the type handler class
*/
Class handlerClass() default Void.class;
/**
* The name of a registered {@link TypeHandler}.
* @return the type handler name
*/
String handlerName() default "";
/**
* The format passed to the {@link TypeHandler}.
* @return the format pattern
*/
String format() default "";
/**
* Whether to trim the field text before validation and type handling.
* @return true to trim, false otherwise
*/
boolean trim() default false;
/**
* Whether the field is used to identify the record.
* @return true if it identifies the record, false otherwise
*/
boolean rid() default false;
/**
* The regular expression for validating and/or matching field text.
* @return the pattern
*/
String regex() default "";
/**
* The literal text for validating or matching field text.
* @return the expected literal text
*/
String literal() default "";
/**
* Whether field text is required.
* @return true if field text must be at least one character (after trimming if enabled),
* or false otherwise
*/
boolean required() default false;
/**
* The minimum length of the field text (after trimming if enabled).
* @return the minimum length
*/
int minLength() default Integer.MIN_VALUE;
/**
* The maximum length of the field text (after trimming if enabled).
* @return the maximum length
*/
int maxLength() default Integer.MIN_VALUE;
/**
* The collection type for repeating fields, if it cannot be detected from
* the field or method declaration.
* @return the collection type
*/
Class collection() default Void.class;
/**
* Whether an empty string should be converted to null, or null
* returned for an empty collection.
* @return whether the field collection is lazily created
*/
boolean lazy() default false;
/**
* The minimum occurrences of the field.
* @return the minimum occurrences
*/
int minOccurs() default Integer.MIN_VALUE;
/**
* The maximum occurrences of the field if it repeats.
* @return the maximum occurrences, or -1 if unbounded
*/
int maxOccurs() default Integer.MIN_VALUE;
/**
* The name of a preceding field that governs the number of occurrences
* of this field. Does not apply to XML formatted streams.
* @return the name of the field
*/
String occursRef() default "";
/**
* The XML type of this field.
* @return the {@link XmlType}
*/
XmlType xmlType() default XmlType.DEFAULT;
/**
* The XML attribute or element name.
* @return the XML name
*/
String xmlName() default AnnotationConstants.UNDEFINED;
/**
* The XML namespace prefix of this field.
* @return the namespace prefix
*/
String xmlPrefix() default AnnotationConstants.UNDEFINED;
/**
* The XML namespace URI of this field.
* @return the namespace URI
*/
String xmlNamespace() default AnnotationConstants.UNDEFINED;
/**
* Whether the element is nillable.
* @return true if nillable, false otherwise
*/
boolean nillable() default false;
}