001/* 002 * oauth2-oidc-sdk 003 * 004 * Copyright 2012-2016, Connect2id Ltd and contributors. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use 007 * this file except in compliance with the License. You may obtain a copy of the 008 * 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 distributed 013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 015 * specific language governing permissions and limitations under the License. 016 */ 017 018package com.nimbusds.oauth2.sdk.util; 019 020 021import com.nimbusds.common.contenttype.ContentType; 022import com.nimbusds.oauth2.sdk.ParseException; 023 024 025/** 026 * Content type matching. 027 */ 028public final class ContentTypeUtils { 029 030 031 /** 032 * Ensures the content type of an HTTP header matches an expected 033 * value. Note that this method compares only the primary type and 034 * subtype; any content type parameters, such as {@code charset}, are 035 * ignored. 036 * 037 * @param expected The expected content type. Must not be {@code null}. 038 * @param found The found content type. May be {@code null}. 039 * 040 * @throws ParseException If the found content type is {@code null} or 041 * it primary and subtype and doesn't match the 042 * expected. 043 */ 044 public static void ensureContentType(final ContentType expected, final ContentType found) 045 throws ParseException { 046 047 if (found == null) 048 throw new ParseException("Missing HTTP Content-Type header"); 049 050 if (! expected.matches(found)) 051 throw new ParseException("The HTTP Content-Type header must be " + expected); 052 } 053 054 055 /** 056 * @see #ensureContentType(ContentType, ContentType) 057 */ 058 @Deprecated 059 public static void ensureContentType(final javax.mail.internet.ContentType expected, final javax.mail.internet.ContentType found) 060 throws ParseException { 061 062 if (found == null) 063 throw new ParseException("Missing HTTP Content-Type header"); 064 065 if (! expected.match(found)) 066 throw new ParseException("The HTTP Content-Type header must be " + expected); 067 } 068 069 070 /** 071 * Prevents public instantiation. 072 */ 073 private ContentTypeUtils() {} 074}