javax.ws.rs.ServiceUnavailableException Maven / Gradle / Ivy
The newest version!
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2015 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package javax.ws.rs;
import java.util.Date;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.RuntimeDelegate;
import static javax.ws.rs.core.HttpHeaders.RETRY_AFTER;
import static javax.ws.rs.core.Response.Status.SERVICE_UNAVAILABLE;
/**
* A runtime exception indicating that the requested resource
* {@link javax.ws.rs.core.Response.Status#SERVICE_UNAVAILABLE cannot be served}.
*
* @author Marek Potociar
* @since 2.0
*/
public class ServiceUnavailableException extends ServerErrorException {
private static final long serialVersionUID = 3821068205617492633L;
/**
* Construct a new "service unavailable" exception without any "Retry-After" information
* specified for the failed request.
*/
public ServiceUnavailableException() {
super(Response.status(SERVICE_UNAVAILABLE).build());
}
/**
* Construct a new "service unavailable" exception without any "Retry-After" information
* specified for the failed request.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
*/
public ServiceUnavailableException(String message) {
super(message, Response.status(SERVICE_UNAVAILABLE).build());
}
/**
* Construct a new "service unavailable" exception with an interval specifying
* the "Retry-After" information for the failed request.
*
* @param retryAfter decimal interval in seconds after which the failed request may be retried.
*/
public ServiceUnavailableException(Long retryAfter) {
super(Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build());
}
/**
* Construct a new "service unavailable" exception with an interval specifying
* the "Retry-After" information for the failed request.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
* @param retryAfter decimal interval in seconds after which the failed request may be retried.
*/
public ServiceUnavailableException(String message, Long retryAfter) {
super(message, Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build());
}
/**
* Construct a new "service unavailable" exception with an interval specifying
* the "Retry-After" information for the failed request.
*
* @param retryAfter a date/time after which the failed request may be retried.
*/
public ServiceUnavailableException(Date retryAfter) {
super(Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build());
}
/**
* Construct a new "service unavailable" exception with an interval specifying
* the "Retry-After" information for the failed request.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
* @param retryAfter a date/time after which the failed request may be retried.
*/
public ServiceUnavailableException(String message, Date retryAfter) {
super(message, Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build());
}
/**
* Construct a new "service unavailable" exception.
*
* @param response error response.
* @throws IllegalArgumentException in case the status code set in the response
* is not HTTP {@code 503}.
*/
public ServiceUnavailableException(Response response) {
super(validate(response, SERVICE_UNAVAILABLE));
}
/**
* Construct a new "service unavailable" exception.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
* @param response error response.
* @throws IllegalArgumentException in case the status code set in the response
* is not HTTP {@code 503}.
*/
public ServiceUnavailableException(String message, Response response) {
super(message, validate(response, SERVICE_UNAVAILABLE));
}
/**
* Construct a new "service unavailable" exception with a date specifying
* the "Retry-After" information for the failed request and an underlying
* request failure cause.
*
* @param retryAfter a date/time after which the failed request may be retried.
* @param cause the underlying cause of the exception.
*/
public ServiceUnavailableException(Date retryAfter, Throwable cause) {
super(Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build(), cause);
}
/**
* Construct a new "service unavailable" exception with a date specifying
* the "Retry-After" information for the failed request and an underlying
* request failure cause.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
* @param retryAfter a date/time after which the failed request may be retried.
* @param cause the underlying cause of the exception.
*/
public ServiceUnavailableException(String message, Date retryAfter, Throwable cause) {
super(message, Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build(), cause);
}
/**
* Construct a new "service unavailable" exception with an interval specifying
* the "Retry-After" information for the failed request and an underlying
* request failure cause.
*
* @param retryAfter decimal interval in seconds after which the failed request may be retried.
* @param cause the underlying cause of the exception.
*/
public ServiceUnavailableException(Long retryAfter, Throwable cause) {
super(Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build(), cause);
}
/**
* Construct a new "service unavailable" exception with an interval specifying
* the "Retry-After" information for the failed request and an underlying
* request failure cause.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
* @param retryAfter decimal interval in seconds after which the failed request may be retried.
* @param cause the underlying cause of the exception.
*/
public ServiceUnavailableException(String message, Long retryAfter, Throwable cause) {
super(message, Response.status(SERVICE_UNAVAILABLE).header(RETRY_AFTER, retryAfter).build(), cause);
}
/**
* Construct a new "service unavailable" exception.
*
* @param response error response.
* @param cause the underlying cause of the exception.
* @throws IllegalArgumentException in case the status code set in the response
* is not HTTP {@code 503}.
*/
public ServiceUnavailableException(Response response, Throwable cause) {
super(validate(response, SERVICE_UNAVAILABLE), cause);
}
/**
* Construct a new "service unavailable" exception.
*
* @param message the detail message (which is saved for later retrieval
* by the {@link #getMessage()} method).
* @param response error response.
* @param cause the underlying cause of the exception.
* @throws IllegalArgumentException in case the status code set in the response
* is not HTTP {@code 503}.
*/
public ServiceUnavailableException(String message, Response response, Throwable cause) {
super(message, validate(response, SERVICE_UNAVAILABLE), cause);
}
/**
* Check if the underlying response contains the information on when is it
* possible to {@link HttpHeaders#RETRY_AFTER retry the request}.
*
* @return {@code true} in case the retry time is specified in the underlying
* response, {@code false} otherwise.
*/
public boolean hasRetryAfter() {
return getResponse().getHeaders().containsKey(RETRY_AFTER);
}
/**
* Get the retry time for the failed request.
*
* @param requestTime time of sending the original request that may be used to compute
* the retry time (in case the retry time information specified as
* a decimal interval in seconds).
* @return time when the request may be retried or {@code null} if there is no retry
* information available.
* @throws NullPointerException in case the {@code requestTime} parameter is {@code null}.
*/
public Date getRetryTime(final Date requestTime) {
final String value = getResponse().getHeaderString(RETRY_AFTER);
if (value == null) {
return null;
}
try {
Long interval = Long.parseLong(value);
return new Date(requestTime.getTime() + interval * 1000);
} catch (NumberFormatException ex) {
// not an decimal value; ignoring exception and parsing as date
}
final RuntimeDelegate.HeaderDelegate dateDelegate =
RuntimeDelegate.getInstance().createHeaderDelegate(Date.class);
return dateDelegate.fromString(value);
}
}