package com.agilejava.docbkx.maven;
/*
* Copyright 2006 Wilfred Springer
*
* 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 org.apache.maven.plugin.MojoExecutionException;
import org.codehaus.plexus.archiver.Archiver;
import org.codehaus.plexus.archiver.manager.ArchiverManager;
import org.codehaus.plexus.archiver.zip.ZipArchiver;
import org.codehaus.plexus.util.FileUtils;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import javax.xml.transform.Transformer;
/**
* A dedicated base class for plugins generating ePub output, in order to allow
* the specific stylesheet chosen to be dependent on the {@link #chunkedOutput}
* property.
*
* @author Cedric Pronzato
* @author Brian Richard Jackson
*/
public abstract class AbstractEpubMojo extends AbstractMojoBase {
/**
* To look up Archiver/UnArchiver implementations
*
* @component
* @required
*/
protected ArchiverManager archiverManager;
/**
* {@inheritDoc} This implementation will set the root.filename property,
* based on the targetFile's name.
*/
public void adjustTransformer(Transformer transformer, String sourceFilename, File targetFile) {
super.adjustTransformer(transformer, sourceFilename, targetFile);
String rootFilename = targetFile.getName();
rootFilename = rootFilename.substring(0, rootFilename.lastIndexOf('.'));
transformer.setParameter("root.filename", rootFilename);
transformer.setParameter("base.dir", targetFile.getParent() + File.separator);
transformer.setParameter("epub.oebps.dir", targetFile.getParent() + File.separator);
transformer.setParameter("epub.metainf.dir", targetFile.getParent() + File.separator + "META-INF" + File.separator);
validateFont();
}
public void postProcessResult(File result) throws MojoExecutionException {
super.postProcessResult(result);
// TODO: temporary trick, svn version of docbook xsl epub stylesheet works differently
final File targetDirectory = result.getParentFile();
try {
final URL containerURL = getClass().getResource("/epub/container.xml");
FileUtils.copyURLToFile(containerURL, new File(targetDirectory, "META-INF" + File.separator + "container.xml"));
} catch (IOException e) {
throw new MojoExecutionException("Unable to copy hardcoded container.xml file", e);
}
// copy mimetype file
try {
final URL mimetypeURL = getClass().getResource("/epub/mimetype");
FileUtils.copyURLToFile(mimetypeURL, new File(targetDirectory, "mimetype"));
} catch (IOException e) {
throw new MojoExecutionException("Unable to copy hardcoded mimetype file", e);
}
try {
ZipArchiver zipArchiver = (ZipArchiver) archiverManager.getArchiver("zip");
zipArchiver.addDirectory(targetDirectory);
zipArchiver.setCompress(true); // seems to not be a problem to have mimetype compressed
zipArchiver.setDestFile(new File(targetDirectory.getParentFile(), result.getName())); // copy it to parent dir
zipArchiver.createArchive();
getLog().debug("epub file created at: " + zipArchiver.getDestFile().getAbsolutePath());
} catch (Exception e) {
throw new MojoExecutionException("Unable to zip epub file", e);
}
}
private void validateFont() {
final String font = getProperty("epubEmbeddedFont");
if (font != null) {
final File f = new File(font);
if (!f.exists()) {
getLog().warn("Unable to find specified font: " + f.getAbsolutePath());
}
if (!font.endsWith("otf")) {
getLog().warn("Only otf font is supported: " + font);
}
}
}
}