/*
* The MIT License (MIT)
* Copyright (c) 2013 Mark Paluch
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package biz.paluch.maven.configurator;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.filefilter.RegexFileFilter;
import org.apache.commons.io.filefilter.TrueFileFilter;
import org.apache.maven.plugin.logging.Log;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.regex.Pattern;
/**
* @author <a href="mailto:mpaluch@paluch.biz">Mark Paluch</a>
*/
public class FileTemplating
{
public static Pattern FILE_TEMPLATE_PATTERN = Pattern.compile(".*(\\.template)\\..*");
/**
* Process files which match the template pattern. Creates a new file using the input file with property
* replacement. Target filename is without the template name part.
*
* @param log
* @param root
* @param processor
* @throws IOException
*/
public static void processFiles(Log log, File root, TemplateProcessor processor) throws IOException
{
Iterator<File> iterator =
FileUtils.iterateFiles(root, new RegexFileFilter(FILE_TEMPLATE_PATTERN), TrueFileFilter.TRUE);
while (iterator.hasNext())
{
File next = iterator.next();
log.debug("Processing file " + next);
try
{
processor.processFile(next, getTargetFile(next));
} catch (IOException e)
{
throw new IOException("Cannot process file " + next.toString() + ": " + e.getMessage(), e);
}
}
}
private static File getTargetFile(File next)
{
File parent = next.getParentFile();
String filename = next.getName();
filename = filename.replaceAll("\\.template", "");
return new File(parent, filename);
}
}