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- /*
- * Copyright (c) 2006-2017 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
- * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
- * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
- package com.dmdirc.ui.messages;
-
- import java.io.InvalidObjectException;
- import java.text.AttributedCharacterIterator.Attribute;
- import java.util.HashMap;
- import java.util.Map;
-
- /**
- * Defines attribute keys that can be used to identify text attributes. These keys are used in
- * AttributedCharacterIterator and AttributedString.
- */
- public final class IRCTextAttribute extends Attribute {
-
- /** A version number for this class. */
- private static final long serialVersionUID = 1;
- /** table of all instances in this class, used by readResolve. */
- private static final Map<String, IRCTextAttribute> INSTANCE_MAP = new HashMap<>(1);
-
- /**
- * Constructs an Attribute with the given name.
- *
- * @param name name for the attribute
- */
- protected IRCTextAttribute(final String name) {
- super(name);
- if (getClass() == IRCTextAttribute.class) {
- INSTANCE_MAP.put(name, this);
- }
- }
-
- /**
- * Resolves instances being deserialized to the predefined constants.
- *
- * @return IRCTextAttribute instance
- *
- * @throws InvalidObjectException when the class being deserialized is not an instance of
- * IRCTextAttribute
- */
- @Override
- protected Object readResolve() throws InvalidObjectException {
- if (getClass() != IRCTextAttribute.class) {
- throw new InvalidObjectException("subclass didn't correctly implement readResolve");
- }
-
- final IRCTextAttribute instance = INSTANCE_MAP.get(getName());
- if (instance == null) {
- throw new InvalidObjectException("unknown attribute name");
- } else {
- return instance;
- }
- }
- /** Hyperlink attribute. */
- public static final IRCTextAttribute HYPERLINK = new IRCTextAttribute("hyperlink");
- /** Nickname attribute. */
- public static final IRCTextAttribute NICKNAME = new IRCTextAttribute("nickname");
- /** Channel attribute. */
- public static final IRCTextAttribute CHANNEL = new IRCTextAttribute("channel");
- /** Smiley attribute. */
- public static final IRCTextAttribute SMILEY = new IRCTextAttribute("smiley");
- /** Tooltip attribute. */
- public static final IRCTextAttribute TOOLTIP = new IRCTextAttribute("tooltip");
-
- }
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