KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > riotfamily > components > locator > AbstractComponentListLocator


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2007
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */

24 package org.riotfamily.components.locator;
25
26 import javax.servlet.http.HttpServletRequest JavaDoc;
27
28 import org.riotfamily.components.ComponentListLocator;
29 import org.riotfamily.components.Location;
30
31 /**
32  * Abstract base-class that delegates the resolution of the
33  * {@link Location#getSlot() location's slot property} to a {@link SlotResolver}.
34  *
35  * @author Felix Gnass [fgnass at neteye dot de]
36  * @since 6.5
37  */

38 public abstract class AbstractComponentListLocator
39         implements ComponentListLocator {
40
41     private String JavaDoc type;
42
43     private SlotResolver slotResolver = new TemplateSlotResolver();
44
45     public AbstractComponentListLocator(String JavaDoc type) {
46         this.type = type;
47     }
48
49     public void setSlotResolver(SlotResolver slotResolver) {
50         this.slotResolver = slotResolver;
51     }
52
53     public boolean supports(String JavaDoc type) {
54         return this.type.equals(type);
55     }
56
57     public Location getLocation(HttpServletRequest JavaDoc request) {
58         Location location = new Location();
59         location.setType(getType(request));
60         location.setPath(getPath(request));
61         location.setSlot(slotResolver.getSlot(request));
62         return location;
63     }
64
65     protected String JavaDoc getType(HttpServletRequest JavaDoc request) {
66         return type;
67     }
68
69     protected abstract String JavaDoc getPath(HttpServletRequest JavaDoc request);
70
71     public Location getParentLocation(Location location) {
72         Location parent = new Location();
73         parent.setType(type);
74         parent.setPath(getParentPath(location.getPath()));
75         parent.setSlot(location.getSlot());
76         return parent;
77     }
78
79     protected abstract String JavaDoc getParentPath(String JavaDoc path);
80
81     public String JavaDoc getUrl(Location location) {
82         return getUrlForPath(location.getPath());
83     }
84
85     protected abstract String JavaDoc getUrlForPath(String JavaDoc path);
86
87 }
88
Popular Tags