/*
* 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 java.nio.file.Path;
import java.nio.file.Paths;
import freemarker.cache.TemplateLoader;
public class FileSystemTemplateLoader implements TemplateLoader {
private Path basePath;
public FileSystemTemplateLoader () {
}
public FileSystemTemplateLoader (Path basePath) {
this.basePath = basePath;
}
@Override
public Object findTemplateSource (String name) {
if (basePath != null) {
return new FileSystemTemplateSource(basePath.resolve(name));
} else {
Path filePath;
// Adding a slash back because freemarker removes starting slashes as a security measure
return new FileSystemTemplateSource(((filePath = Paths.get(name)).isAbsolute()) ? filePath : Paths.get("/" + name));
}
}
@Override
public long getLastModified (Object templateSource) {
try {
return ((FileSystemTemplateSource)templateSource).getLastModified();
} catch (IOException ioException) {
return -1;
}
}
@Override
public Reader getReader (Object templateSource, String encoding) throws IOException {
return new InputStreamReader(((FileSystemTemplateSource)templateSource).getInputStream(), encoding);
}
@Override
public void closeTemplateSource (Object templateSource) throws IOException {
((FileSystemTemplateSource)templateSource).close();
}
}