javax.ws.rs.WebApplicationException Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2013 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 javax.ws.rs.core.Response;
/**
* Runtime exception for applications.
*
* This exception may be thrown by a resource method, provider or
* {@link javax.ws.rs.core.StreamingOutput} implementation if a specific
* HTTP error response needs to be produced. Only effective if thrown prior to
* the response being committed.
*
* @author Paul Sandoz
* @author Marek Potociar
* @since 1.0
*/
public class WebApplicationException extends RuntimeException {
private static final long serialVersionUID = 8273970399584007146L;
private final Response response;
/**
* Construct a new instance with a blank message and default HTTP status code of 500.
*/
public WebApplicationException() {
this(null, Response.Status.INTERNAL_SERVER_ERROR);
}
/**
* Construct a new instance using the supplied response.
*
* @param response the response that will be returned to the client, a value
* of null will be replaced with an internal server error response (status
* code 500).
*/
public WebApplicationException(final Response response) {
this(null, response);
}
/**
* Construct a new instance with a blank message and specified HTTP status code.
*
* @param status the HTTP status code that will be returned to the client.
*/
public WebApplicationException(final int status) {
this(null, status);
}
/**
* Construct a new instance with a blank message and specified HTTP status code.
*
* @param status the HTTP status code that will be returned to the client.
* @throws IllegalArgumentException if status is {@code null}.
*/
public WebApplicationException(final Response.Status status) {
this(null, status);
}
/**
* Construct a new instance with a blank message and default HTTP status code of 500.
*
* @param cause the underlying cause of the exception.
*/
public WebApplicationException(final Throwable cause) {
this(cause, Response.Status.INTERNAL_SERVER_ERROR);
}
/**
* Construct a new instance using the supplied response.
*
* @param response the response that will be returned to the client,
* a value of null will be replaced with an internal server error
* response (status code 500).
* @param cause the underlying cause of the exception.
*/
public WebApplicationException(final Throwable cause, final Response response) {
super(computeExceptionMessage(response), cause);
if (response == null) {
this.response = Response.serverError().build();
} else {
this.response = response;
}
}
private static String computeExceptionMessage(Response response) {
final Response.StatusType statusInfo;
if (response != null) {
statusInfo = response.getStatusInfo();
} else {
statusInfo = Response.Status.INTERNAL_SERVER_ERROR;
}
return "HTTP " + statusInfo.getStatusCode() + ' ' + statusInfo.getReasonPhrase();
}
/**
* Construct a new instance with a blank message and specified HTTP status code.
*
* @param status the HTTP status code that will be returned to the client.
* @param cause the underlying cause of the exception.
*/
public WebApplicationException(final Throwable cause, final int status) {
this(cause, Response.status(status).build());
}
/**
* Construct a new instance with a blank message and specified HTTP status code.
*
* @param status the HTTP status code that will be returned to the client.
* @param cause the underlying cause of the exception.
* @throws IllegalArgumentException if status is {@code null}.
*/
public WebApplicationException(final Throwable cause, final Response.Status status)
throws IllegalArgumentException {
this(cause, Response.status(status).build());
}
/**
* Get the HTTP response.
*
* @return the HTTP response.
*/
public Response getResponse() {
return response;
}
/**
* Validate that a {@link javax.ws.rs.core.Response} object has an expected HTTP response
* status code set.
*
* @param response response object.
* @param expectedStatus expected response status code.
* @return validated response object.
* @throws IllegalArgumentException if the response validation failed.
* @since 2.0
*/
static Response validate(final Response response, Response.Status expectedStatus) {
if (expectedStatus.getStatusCode() != response.getStatus()) {
throw new IllegalArgumentException(String.format("Invalid response status code. Expected [%d], was [%d].",
expectedStatus.getStatusCode(), response.getStatus()));
}
return response;
}
/**
* Validate that a {@link javax.ws.rs.core.Response} object has an expected HTTP response
* status code set.
*
* @param response response object.
* @param expectedStatusFamily expected response status code family.
* @return validated response object.
* @throws IllegalArgumentException if the response validation failed.
* @since 2.0
*/
static Response validate(final Response response, Response.Status.Family expectedStatusFamily) {
if (response.getStatusInfo().getFamily() != expectedStatusFamily) {
throw new IllegalArgumentException(String.format(
"Status code of the supplied response [%d] is not from the required status code family \"%s\".",
response.getStatus(), expectedStatusFamily));
}
return response;
}
}