/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php
* See the License for the specific language governing
* permissions and limitations under the License.
*/
/*
* HeaderParam.java
*
* Created on January 24, 2007, 2:33 PM
*
*/
package javax.ws.rs;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Binds the value(s) of a HTTP header to a resource method parameter,
* resource class field, or resource class bean property. A default value
* can be specified using the {@link DefaultValue} annotation.
*
* The type <code>T</code> of the annotated parameter, field or property
* must either:
* <ol>
* <li>Be a primitive type</li>
* <li>Have a constructor that accepts a single <code>String</code> argument</li>
* <li>Have a static method named <code>valueOf</code> or <code>fromString</code>
* that accepts a single
* <code>String</code> argument (see, for example, {@link Integer#valueOf(String)})</li>
* <li>Be <code>List<T></code>, <code>Set<T></code> or
* <code>SortedSet<T></code>, where <code>T</code> satisfies 2 or 3 above.
* The resulting collection is read-only.</li>
* </ol>
*
* <p>If the type is not one of those listed in 4 above then the first value
* (lexically) of the header is used.</p>
*
* <p>Because injection occurs at object creation time, use of this annotation
* on resource class fields and bean properties is only supported for the
* default per-request resource class lifecycle. Resource classes using
* other lifecycles should only use this annotation on resource method
* parameters.</p>
*
* @see DefaultValue
* @see javax.ws.rs.core.HttpHeaders
*/
@Target({ElementType.PARAMETER, ElementType.METHOD, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface HeaderParam {
/**
* Defines the name of the HTTP header whose value will be used
* to initialize the value of the annotated method argument, class field or
* bean property. Case insensitive.
*/
String value();
}
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