net.sourceforge.jweb.maven.minify.YUICompressorMinifier.java Source code

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Here is the source code for net.sourceforge.jweb.maven.minify.YUICompressorMinifier.java

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package net.sourceforge.jweb.maven.minify;

/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed 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 java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

/**
 * 
 * Yahoo UI compressor minifier wrapper for invoking 
 * @see net.sourceforge.jweb.maven.minify.YUICompressorNoExit
 * @author maoanapex88@163.com
 *
 */
public class YUICompressorMinifier extends AbstractMinifier {
    public void minify(File f) {
        File saveTo = getSaveFile(f, "");

        String parent = saveTo.getParent();
        String pname = saveTo.getName().substring(0, saveTo.getName().indexOf("."));
        String sname = saveTo.getName().substring(saveTo.getName().lastIndexOf("."));
        String finalName = parent + File.separator + pname + this.getMinifyMojo().getMiniPrefix() + sname;
        File finalFile = new File(finalName);
        try {
            FileUtils.writeStringToFile(finalFile, "");

            String[] provied = this.getMinifyMojo().getYuiArguments();
            int length = (provied == null ? 0 : provied.length);
            length += 5;
            int i = 0;

            String[] ret = new String[length];

            ret[i++] = "--type";
            ret[i++] = (saveTo.getName().toLowerCase().endsWith(".css") ? "css" : "js");

            if (provied != null) {
                for (String s : provied) {
                    ret[i++] = s;
                }
            }

            ret[i++] = f.getAbsolutePath();
            ret[i++] = "-o";
            ret[i++] = finalName;
            StringBuilder builder = new StringBuilder();
            builder.append("yuicompressor ");
            for (String s : ret) {
                builder.append(s).append(" ");
            }
            this.getLog().debug(builder);

            YUICompressorNoExit.main(ret);
        } catch (Exception e) {
            //e.printStackTrace();
            this.getLog().warn(e);
            this.getLog().info("minifier will copy source only");
            try {
                FileUtils.copyFile(f, finalFile);
            } catch (IOException e1) {
                e1.printStackTrace();
            }
        }
    }
}