/**
* 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.
*/
package org.jooby.assets;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import org.apache.commons.io.FilenameUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.github.sommeri.less4j.LessSource;
import com.github.sommeri.less4j.LessSource.StringSource;
import com.google.common.io.ByteStreams;
import com.google.common.io.Closeables;
public class LessStrSource extends StringSource {
/** The logging system. */
private final Logger log = LoggerFactory.getLogger(getClass());
private String path;
public LessStrSource(final String content, final String name) {
super(content, name);
this.path = spath(FilenameUtils.getPathNoEndSeparator(name));
}
@Override
public LessSource relativeSource(final String filename) throws StringSourceException {
return source(spath(filename));
}
private LessSource source(final String filename) throws StringSourceException {
String[] files = {path + filename, filename };
for (String file : files) {
InputStream stream = getClass().getResourceAsStream(file);
if (stream != null) {
try {
return new LessStrSource(
new String(ByteStreams.toByteArray(stream), StandardCharsets.UTF_8), file);
} catch (IOException ex) {
log.debug("Can't read file: " + path, ex);
throw new StringSourceException();
} finally {
Closeables.closeQuietly(stream);
}
}
}
throw new StringSourceException();
}
private String spath(final String filename) {
return filename.startsWith("/") ? filename : "/" + filename;
}
}