package net.java.textilej.util.anttask;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import net.java.textilej.parser.util.TextileToEclipseToc;
import org.apache.tools.ant.BuildException;
/**
* An Ant task for converting textile to eclipse help format.
*
* @author dgreen
*/
public class TextileToEclipseHelpTask extends TextileToHtmlTask {
private String xmlFilenameFormat = "$1-toc.xml";
protected String processFile(final File baseDir,final File source) throws BuildException {
String textile = super.processFile(baseDir, source);
String name = source.getName();
if (name.lastIndexOf('.') != -1) {
name = name.substring(0,name.lastIndexOf('.'));
}
File tocOutputFile = computeTocFile(source,name);
if (!tocOutputFile.exists() || overwrite || tocOutputFile.lastModified() < source.lastModified()) {
File htmlOutputFile = computeHtmlFile(source, name);
if (textile == null) {
textile = readFully(source);
}
Writer writer;
try {
writer = new OutputStreamWriter(new BufferedOutputStream(new FileOutputStream(tocOutputFile)),"utf-8");
} catch (Exception e) {
throw new BuildException(String.format("Cannot write to file '%s': %s",tocOutputFile,e.getMessage()),e);
}
try {
TextileToEclipseToc toEclipseToc = new TextileToEclipseToc();
toEclipseToc.setBookTitle(title==null?name:title);
String basePath = baseDir.getAbsolutePath().replace('\\','/');
String outputFilePath = htmlOutputFile.getAbsolutePath().replace('\\','/');
if (outputFilePath.startsWith(basePath)) {
String filePath = outputFilePath.substring(basePath.length());
if (filePath.startsWith("/")) {
filePath = filePath.substring(1);
}
toEclipseToc.setHtmlFile(filePath);
} else {
toEclipseToc.setHtmlFile(htmlOutputFile.getName());
}
String tocXml = toEclipseToc.parse(textile);
try {
writer.write(tocXml);
} catch (Exception e) {
throw new BuildException(String.format("Cannot write to file '%s': %s",tocXml,e.getMessage()),e);
}
} finally {
try {
writer.close();
} catch (Exception e) {
throw new BuildException(String.format("Cannot write to file '%s': %s",tocOutputFile,e.getMessage()),e);
}
}
}
return textile;
}
private File computeTocFile(File source, String name) {
return new File(source.getParentFile(),xmlFilenameFormat.replace("$1", name));
}
/**
* @see #setXmlFilenameFormat(String)
*/
public String getXmlFilenameFormat() {
return xmlFilenameFormat;
}
/**
* The format of the XML table of contents output file. Consists of a pattern where the
* '$1' is replaced with the filename of the input file. Default value is
* <code>$1-toc.xml</code>
*/
public void setXmlFilenameFormat(String xmlFilenameFormat) {
this.xmlFilenameFormat = xmlFilenameFormat;
}
}