/*
* #!
* Ontopia Webed
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* !#
*/
package net.ontopia.topicmaps.webed.impl.utils;
import net.ontopia.topicmaps.core.TMObjectIF;
import net.ontopia.topicmaps.entry.TopicMapReferenceIF;
import net.ontopia.topicmaps.nav2.core.LinkGeneratorIF;
import net.ontopia.topicmaps.nav2.core.NavigatorRuntimeException;
import net.ontopia.topicmaps.nav2.core.UserIF;
import net.ontopia.topicmaps.nav2.taglibs.logic.ContextTag;
import net.ontopia.topicmaps.nav2.utils.FrameworkUtils;
import net.ontopia.utils.StringUtils;
/**
* INTERNAL: Link generator which generates a URI link to a model page
* (MVS environment) with topic map and object ID included.
*
* <p>This implementation should be used by a <code>link</code> tag
* in a customized JSP when working with the MVS approach.
*
* <p>Example usage within the link tag:
* <pre>template="/models/topic_%model%.jsp?tm=%topicmap%&id=%id%"</pre>
*
* @see net.ontopia.topicmaps.nav2.taglibs.output.LinkTag
*/
public class ModelLinkGeneratorWithObjID implements LinkGeneratorIF {
/**
* Constant String value representing the name of a
* template variable being replaced with the object id.
*/
public static final String LINK_MODEL_KEY = "%model%";
public String generate(ContextTag contextTag, TMObjectIF tmObj,
String topicmapId, String template)
throws NavigatorRuntimeException {
String link = template;
// replace object id placeholder with real value
if (tmObj != null) {
String objectId = tmObj.getObjectId();
link = StringUtils.replace(link, LINK_ID_KEY, objectId);
}
// replace topicmap id placeholder with real value
if (topicmapId != null)
link = StringUtils.replace(link, LINK_TOPICMAP_KEY, topicmapId);
// replace model placeholder with real value
UserIF user = FrameworkUtils.getUser(contextTag.getPageContext());
String model = user.getModel();
link = StringUtils.replace(link, LINK_MODEL_KEY, model);
return link;
}
public String generate(ContextTag contextTag, TopicMapReferenceIF tmRefObj,
String template)
throws NavigatorRuntimeException {
String link = template;
// replace topicmap id placeholder with real value
if (tmRefObj != null) {
String topicmapId = tmRefObj.getId();
link = StringUtils.replace(link, LINK_TOPICMAP_KEY, topicmapId);
}
// replace model placeholder with real value
UserIF user = FrameworkUtils.getUser(contextTag.getPageContext());
String model = user.getModel();
link = StringUtils.replace(link, LINK_MODEL_KEY, model);
return link;
}
}