| // *************************************************************************************************************************** |
| // * 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; |
| |
| /** |
| * Represents a validator value. |
| * |
| * <p> |
| * <h5 class='figure'>Example</h5> |
| * <p class='bcode w800'> |
| * ETag: "123456789" – A strong ETag validator |
| * ETag: W/"123456789" – A weak ETag validator |
| * </p> |
| * |
| * <ul class='seealso'> |
| * <li class='extlink'>{@doc RFC2616} |
| * </ul> |
| */ |
| public class EntityValidator { |
| |
| private final String value; |
| private final boolean isWeak; |
| |
| /** |
| * Constructor. |
| * |
| * @param value The validator string value. |
| */ |
| protected EntityValidator(String value) { |
| value = value.trim(); |
| isWeak = value.startsWith("W/"); |
| if (isWeak) |
| value = value.substring(2); |
| if (value.length() > 1 && value.charAt(0) == '"' && value.charAt(value.length()-1) == '"') |
| value = value.substring(1, value.length()-1); |
| this.value = value; |
| } |
| |
| /** |
| * Returns the validator value stripped of quotes and weak tag. |
| * |
| * @return The validator value. |
| */ |
| public String asString() { |
| return value; |
| } |
| |
| /** |
| * Returns <jk>true</jk> if the weak flag is present in the value. |
| * |
| * @return <jk>true</jk> if the weak flag is present in the value. |
| */ |
| public boolean isWeak() { |
| return isWeak; |
| } |
| |
| /** |
| * Returns <jk>true</jk> if the validator string value is <c>*</c>. |
| * |
| * @return <jk>true</jk> if the validator string value is <c>*</c>. |
| */ |
| public boolean isAny() { |
| return "*".equals(value); |
| } |
| |
| @Override |
| public String toString() { |
| return (isWeak ? "W/" : "") + (isAny() ? "*" : ('"' + value + '"')); |
| } |
| } |