| /**************************************************************** |
| * 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.jsieve; |
| |
| import static org.apache.jsieve.Constants.TAG_COMPARATOR; |
| |
| import org.apache.jsieve.parser.generated.Token; |
| |
| /** |
| * <p> |
| * A parsed representation of an RFC3028 TAG argument... |
| * </p> |
| * |
| * <code>tag = ":" identifier</code> |
| */ |
| public class TagArgument implements Argument { |
| |
| /** |
| * The Tag |
| */ |
| private String fieldTag; |
| |
| /** |
| * Constructor for TagArgument. |
| */ |
| private TagArgument() { |
| super(); |
| } |
| |
| /** |
| * Constructor for TagArgument. |
| * |
| * @param token |
| */ |
| public TagArgument(Token token) { |
| this(); |
| setTag(token); |
| } |
| |
| /** |
| * Method setTag. |
| * |
| * @param token |
| */ |
| protected void setTag(Token token) { |
| setTag(token.image); |
| } |
| |
| /** |
| * Returns the tag. |
| * |
| * @return String |
| */ |
| public String getTag() { |
| return fieldTag; |
| } |
| |
| /** |
| * Does this argument match the given tag? |
| * @param tag not null |
| * @return true when the tag identifier equals that given, |
| * false otherwise |
| */ |
| public boolean is(String tag) { |
| return tag.equals(fieldTag); |
| } |
| |
| /** |
| * Is this a comparator tag? |
| * @return true when identifier matches {@link Constants#TAG_COMPARATOR}, |
| * false otherwise |
| */ |
| public boolean isComparator() { |
| return this.is(TAG_COMPARATOR); |
| } |
| |
| /** |
| * Sets the tag. |
| * |
| * @param tag |
| * The tag to set |
| */ |
| protected void setTag(String tag) { |
| fieldTag = tag; |
| } |
| |
| /** |
| * @see org.apache.jsieve.Argument#getValue() |
| */ |
| public Object getValue() { |
| return getTag(); |
| } |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() { |
| return (getValue() == null) ? "null" : getValue().toString(); |
| } |
| |
| } |