001/*
002 * (C) Copyright 2006-2015 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Jean-Marc Orliaguet, Chalmers
016 *     Anahide Tchertchian
017 */
018package org.nuxeo.theme.styling.negotiation;
019
020import java.util.Map;
021
022/**
023 * Interface for negotiator classes.
024 *
025 * @since 7.4
026 */
027public interface Negotiator {
028
029    /**
030     * Should return null if next negotiator should apply.
031     */
032    String getResult(String target, Object context);
033
034    Map<String, String> getProperties();
035
036    void setProperties(Map<String, String> properties);
037
038    String getProperty(String name);
039
040    String getProperty(String name, String defaultValue);
041
042}