| // *************************************************************************************************************************** |
| // * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * |
| // * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * |
| // * to you 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 org.apache.juneau.http; |
| |
| import static org.apache.juneau.internal.CollectionUtils.*; |
| |
| import java.util.*; |
| |
| import org.apache.juneau.internal.*; |
| |
| /** |
| * Category of headers that consist of simple comma-delimited lists of strings with q-values. |
| * |
| * <p> |
| * <h5 class='figure'>Example</h5> |
| * <p class='bcode w800'> |
| * Accept-Encoding: compress;q=0.5, gzip;q=1.0 |
| * </p> |
| * |
| * <ul class='seealso'> |
| * <li class='extlink'>{@doc RFC2616} |
| * </ul> |
| */ |
| public class HeaderRangeArray { |
| |
| final StringRange[] typeRanges; |
| private final List<StringRange> typeRangesList; |
| |
| /** |
| * Constructor. |
| * |
| * @param value The raw header value. |
| */ |
| protected HeaderRangeArray(String value) { |
| this.typeRanges = StringRange.parse(value); |
| this.typeRangesList = immutableList(typeRanges); |
| } |
| |
| /** |
| * Given a list of type values, returns the best match for this header. |
| * |
| * @param types The types to match against. |
| * @return The index into the array of the best match, or <c>-1</c> if no suitable matches could be found. |
| */ |
| public int findMatch(String[] types) { |
| |
| // Type ranges are ordered by 'q'. |
| // So we only need to search until we've found a match. |
| for (StringRange mr : typeRanges) |
| for (int i = 0; i < types.length; i++) |
| if (mr.matches(types[i])) |
| return i; |
| |
| return -1; |
| } |
| |
| /** |
| * Returns the list of the types ranges that make up this header. |
| * |
| * <p> |
| * The types ranges in the list are sorted by their q-value in descending order. |
| * |
| * @return An unmodifiable list of type ranges. |
| */ |
| public List<StringRange> asSimpleRanges() { |
| return typeRangesList; |
| } |
| |
| @Override /* Object */ |
| public String toString() { |
| return StringUtils.join(typeRanges, ','); |
| } |
| } |