/*
* Copyright 2012-2014 Institut National des Sciences Appliquées de Lyon (INSA-Lyon)
*
* 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 fr.insalyon.citi.golo.maven;
import fr.insalyon.citi.golo.compiler.parser.ASTCompilationUnit;
import fr.insalyon.citi.golo.compiler.parser.GoloParser;
import fr.insalyon.citi.golo.compiler.parser.ParseException;
import fr.insalyon.citi.golo.doc.HtmlProcessor;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.HashMap;
/**
* @goal golodoc
*/
public class GolodocMojo extends AbstractMojo {
/**
* @parameter property="goloSourceDirectory" default-value="src/main/golo"
* @required
*/
private String goloSourceDirectory;
/**
* @parameter property="outputDirectory" default-value="target/site/golodoc"
* @required
*/
private String outputDirectory;
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
Path root = Paths.get(goloSourceDirectory);
getLog().info("Generating documentation info " + outputDirectory);
if (!Files.exists(root)) {
getLog().warn(root.toAbsolutePath() + " does not exist");
return;
}
try {
GolodocFileVisitor visitor = new GolodocFileVisitor();
Files.walkFileTree(root, visitor);
new HtmlProcessor().process(visitor.units, Paths.get(outputDirectory));
} catch (Throwable t) {
getLog().error(t);
throw new MojoFailureException("I/O error", t);
}
}
private class GolodocFileVisitor extends SimpleFileVisitor<Path> {
private final PathMatcher matcher = FileSystems.getDefault().getPathMatcher("glob:**/*.golo");
private final HashMap<String, ASTCompilationUnit> units = new HashMap<>();
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
if (matcher.matches(file)) {
try (FileInputStream in = new FileInputStream(file.toFile())) {
units.put(file.toString(), new GoloParser(in).CompilationUnit());
} catch (IOException | ParseException e) {
throw new RuntimeException("Parsing or I/O error on " + file, e);
}
getLog().info("Generating documentation for " + file);
}
return FileVisitResult.CONTINUE;
}
}
}