package bboss.org.apache.velocity.app.event.implement;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import bboss.org.apache.velocity.app.event.IncludeEventHandler;
/**
* <p>Event handler that looks for included files relative to the path of the
* current template. The handler assumes that paths are separated by a forward
* slash "/" or backwards slash "\".
*
* @author <a href="mailto:wglass@forio.com">Will Glass-Husain </a>
* @version $Id: IncludeRelativePath.java 685685 2008-08-13 21:43:27Z nbubna $
* @since 1.5
*/
public class IncludeRelativePath implements IncludeEventHandler {
/**
* Return path relative to the current template's path.
*
* @param includeResourcePath the path as given in the include directive.
* @param currentResourcePath the path of the currently rendering template that includes the
* include directive.
* @param directiveName name of the directive used to include the resource. (With the
* standard directives this is either "parse" or "include").
* @return new path relative to the current template's path
*/
public String includeEvent(
String includeResourcePath,
String currentResourcePath,
String directiveName)
{
// if the resource name starts with a slash, it's not a relative path
if (includeResourcePath.startsWith("/") || includeResourcePath.startsWith("\\") ) {
return includeResourcePath;
}
int lastslashpos = Math.max(
currentResourcePath.lastIndexOf("/"),
currentResourcePath.lastIndexOf("\\")
);
// root of resource tree
if (lastslashpos == -1) {
return includeResourcePath;
}
// prepend path to the include path
return currentResourcePath.substring(0,lastslashpos) + "/" + includeResourcePath;
}
}