org.jnap.core.assets.YuiCompressorAssetsHandler.java Source code

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Here is the source code for org.jnap.core.assets.YuiCompressorAssetsHandler.java

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/*
 * YuiCompressorAssetsHandler.java created on 29/08/2012
 *
 * Created by Brushing Bits Labs
 * http://www.brushingbits.org
 *
 * 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.
 */
package org.jnap.core.assets;

import static java.text.MessageFormat.format;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FilenameUtils;
import org.springframework.core.io.Resource;
import org.springframework.web.context.support.ServletContextResource;

/**
 * @author drochetti
 *
 */
public abstract class YuiCompressorAssetsHandler extends StaticAssetsHandler {

    protected int linebreakColumn = 10000;

    @Override
    protected Resource doCompression(Resource resource) throws IOException {
        File sourceFile = resource.getFile();
        Resource minifiedResource = new ServletContextResource(servletContext,
                format(((ServletContextResource) this.path).getPath() + compressedFilename,
                        FilenameUtils.getBaseName(sourceFile.getName()),
                        FilenameUtils.getExtension(sourceFile.getName())));
        resetResource(minifiedResource);
        runYuiCompressor(sourceFile, minifiedResource.getFile());
        return minifiedResource;
    }

    protected abstract void runYuiCompressor(File sourceFile, File file) throws IOException;

    public void setLinebreakColumn(int linebreakColumn) {
        this.linebreakColumn = linebreakColumn;
    }

}