1 /*--------------------------------------------------------------------------
2 * Copyright 2007 utgenome.org
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *--------------------------------------------------------------------------*/
16 //--------------------------------------
17 // GenomeBrowser Project
18 //
19 // TrackGroupProperty.java
20 // Since: Jun 12, 2007
21 //
22 // $URL$
23 // $Author$
24 //--------------------------------------
25 package org.utgenome.gwt.utgb.client.track;
26
27 import java.util.Set;
28
29 import org.utgenome.gwt.utgb.client.util.xml.XMLWriter;
30
31 /**
32 * {@link TrackGroupProperty} is an interface to read property values defined in a {@link TrackGroup}
33 *
34 * @author leo
35 *
36 */
37 public interface TrackGroupProperty {
38 /**
39 * get a property value of a given key
40 *
41 * @param key
42 * @return a property value of a given key
43 */
44 public String getProperty(String key);
45
46 /**
47 * @return the key set of properties
48 */
49 public Set<String> keySet();
50
51 /**
52 * get a property value of a given key. If the corresponding property is not found, return the default value
53 *
54 * @param key
55 * @param defaultValue
56 * @return the property value of the key if it exists, otherwise return the defaultValue
57 */
58 public String getProperty(String key, String defaultValue);
59
60 public TrackWindow getTrackWindow();
61
62 public void toXML(XMLWriter xmlWriter);
63 }