io.progix.dropwizard.patch.exception.PatchTestFailedExceptionMapper Maven / Gradle / Ivy

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An implementation of the HTTP method PATCH using RFC6902 for the Dropwizard framework.

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/*
 * Copyright 2014 Tariq Bugrara
 *
 * 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 io.progix.dropwizard.patch.exception;

import io.progix.jackson.exceptions.JsonPatchTestFailedException;

import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;

/**
 * {@link ExceptionMapper} for {@link JsonPatchTestFailedException}
 * 
 * There is no information in RFC6902 describing the manner in which the call should fail. The response code 412
 * Precondition Failed was chosen as this was felt to best describe a TEST patch operation failure.
 */
public class PatchTestFailedExceptionMapper implements ExceptionMapper {

    @Override
    public Response toResponse(JsonPatchTestFailedException exception) {
        return Response.status(412).entity(exception.getMessage()).build();
    }

}