/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.freemarker;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import freemarker.cache.TemplateLoader;
public class ClassPathTemplateLoader implements TemplateLoader {
ClassLoader classLoader;
boolean relative;
private Class<?> anchorClass;
public ClassPathTemplateLoader () {
this(Thread.currentThread().getContextClassLoader());
}
public ClassPathTemplateLoader (ClassLoader classLoader) {
this.classLoader = classLoader;
relative = false;
}
public ClassPathTemplateLoader (Class<?> anchorClass) {
this(anchorClass, false);
}
public ClassPathTemplateLoader (Class<?> anchorClass, boolean relative) {
this.anchorClass = anchorClass;
this.relative = relative;
classLoader = anchorClass.getClassLoader();
}
public Class<?> getAnchorClass () {
return anchorClass;
}
public ClassLoader getClassLoader () {
return classLoader;
}
public Object findTemplateSource (String name)
throws IOException {
ClassPathTemplateSource source;
if (relative && (anchorClass != null)) {
StringBuilder pathBuilder = new StringBuilder(anchorClass.getPackage().getName().replace('.', '/'));
pathBuilder.append('/').append(name);
source = new ClassPathTemplateSource(classLoader, pathBuilder.toString());
} else {
source = new ClassPathTemplateSource(classLoader, name);
}
return (source.exists()) ? source : null;
}
public long getLastModified (Object templateSource) {
return -1;
}
public Reader getReader (Object templateSource, String encoding)
throws IOException {
return new InputStreamReader(((ClassPathTemplateSource)templateSource).getInputStream(), encoding);
}
public void closeTemplateSource (Object templateSource)
throws IOException {
((ClassPathTemplateSource)templateSource).close();
}
}