001/*
002 * (C) Copyright 2006-2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Jean-Marc Orliaguet, Chalmers
018 *     Anahide Tchertchian
019 */
020package org.nuxeo.theme.styling.negotiation;
021
022import java.util.Map;
023
024/**
025 * Interface for negotiator classes.
026 *
027 * @since 7.4
028 */
029public interface Negotiator {
030
031    /**
032     * Should return null if next negotiator should apply.
033     */
034    String getResult(String target, Object context);
035
036    Map<String, String> getProperties();
037
038    void setProperties(Map<String, String> properties);
039
040    String getProperty(String name);
041
042    String getProperty(String name, String defaultValue);
043
044}