de.escalon.hypermedia.action.Select Maven / Gradle / Ivy
/*
* Copyright (c) 2014. Escalon System-Entwicklung, Dietrich Schulten
*
* 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 de.escalon.hypermedia.action;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Specifies possible values for an argument on a controller method.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.PARAMETER)
public @interface Select {
/**
* Allows to pass String arguments to the Options implementation. By default, a String array can be used to define
* possible values, since the default Options implementation is {@link StringOptions}
*
* @return arguments to the Options implementation. For the default {@link StringOptions}, an array of possible
* values.
*/
String[] value() default {};
/**
* Specifies an implementation of the {@link Options} interface which provides possible values.
*
* @return implementation class of {@link Options}
*/
Class options() default StringOptions.class;
/**
* When getting possible values using {@link Options#get}, pass the arguments having these names.
*
* @return names of the arguments whose value should be passed to {@link Options#get}
*/
String[] args() default {};
}