001/* 002 * Licensed to DuraSpace under one or more contributor license agreements. 003 * See the NOTICE file distributed with this work for additional information 004 * regarding copyright ownership. 005 * 006 * DuraSpace licenses this file to you under the Apache License, 007 * Version 2.0 (the "License"); you may not use this file except in 008 * compliance with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.fcrepo.kernel.api.exception; 020 021import static org.apache.http.HttpStatus.SC_PRECONDITION_FAILED; 022import static org.apache.http.HttpStatus.SC_NOT_MODIFIED; 023 024/** 025 * @author dbernstein 026 * @since Jun 22, 2017 027 */ 028public class PreconditionException extends RepositoryRuntimeException { 029 030 private static final long serialVersionUID = 1L; 031 032 private int httpStatus; 033 034 /** 035 * Ordinary constructor 036 * 037 * @param msg error message 038 * @param httpStatus the http status code 039 */ 040 public PreconditionException(final String msg, final int httpStatus) { 041 super(msg); 042 if (httpStatus != SC_PRECONDITION_FAILED && httpStatus != SC_NOT_MODIFIED) { 043 throw new IllegalArgumentException("Invalid httpStatus (" + httpStatus + 044 "). The http status for PreconditionExceptions must be " + 045 SC_PRECONDITION_FAILED + " or " + SC_NOT_MODIFIED); 046 } 047 this.httpStatus = httpStatus; 048 } 049 050 /** 051 * @return the httpStatus 052 */ 053 public int getHttpStatus() { 054 return httpStatus; 055 } 056}