/**
* 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.StringReader;
import java.io.StringWriter;
import org.jooby.MediaType;
import com.typesafe.config.Config;
import com.yahoo.platform.yui.compressor.CssCompressor;
/**
* <h1>yui-css</h1>
* <p>
* <a href="http://yui.github.io/yuicompressor">Yui css compressor</a>.
* </p>
*
* <h2>usage</h2>
*
* <pre>
* assets {
* fileset {
* home: [css/home.css]
* }
*
* pipeline {
* ...
* dist: [yui-css]
* }
* }
* </pre>
*
* @author edgar
* @since 0.11.0
*/
public class YuiCss extends AssetProcessor {
{
set("linebreakpos", -1);
}
@Override
public boolean matches(final MediaType type) {
return MediaType.css.matches(type);
}
@Override
public String process(final String filename, final String source, final Config conf)
throws Exception {
CssCompressor compressor = new CssCompressor(new StringReader(source));
int linebreakpos = get("linebreakpos");
StringWriter out = new StringWriter();
compressor.compress(out, linebreakpos);
return out.toString();
}
}