//
// Triple Play - utilities for use in PlayN-based games
// Copyright (c) 2011-2014, Three Rings Design, Inc. - All rights reserved.
// http://github.com/threerings/tripleplay/blob/master/LICENSE
package tripleplay.tools;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Scanner;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import playn.core.json.JsonImpl;
import tripleplay.flump.LibraryData;
@Mojo(name="flump", defaultPhase=LifecyclePhase.PROCESS_RESOURCES)
public class ConvertFlumpLibsMojo extends AbstractMojo
{
@Parameter(required=true, defaultValue="${project}")
public MavenProject project;
/** The root location for resources. */
@Parameter(required=true, defaultValue="src/main/resources")
public File resourceRoot;
/** The root location to save the converted binary files. By default, uses the build output. */
@Parameter
public File outputRoot;
/** The path within {@link #sourceRoot} to look for json files. */
@Parameter(defaultValue="assets/flump", property="flump.path")
public String path;
/** Specifies whether the conversion should skip source files with older modification times
* than their binary counterparts. */
@Parameter(defaultValue="true", property="flump.useModificationTimes")
public boolean useModificationTimes;
@Override public void execute ()
throws MojoExecutionException, MojoFailureException {
if (outputRoot == null) outputRoot = new File(project.getBuild().getOutputDirectory());
try {
int count = convert(path);
getLog().info("Converted " + count + " out of date libraries");
} catch (IOException ex) {
throw new MojoExecutionException("", ex);
}
}
protected int convert (String root)
throws IOException {
int count = 0;
File rootDir = new File(resourceRoot, root);
for (String item : rootDir.list()) {
String itemPath = root + File.separatorChar + item;
File child = new File(rootDir, item);
if (child.isDirectory()) {
count += convert(itemPath);
continue;
}
if (item.equals("library.json")) {
count += convert(child, itemPath);
}
}
return count;
}
protected LibraryData readLib (File jsonFile)
throws IOException {
Scanner scanner = new Scanner(jsonFile);
try {
return new LibraryData(new JsonImpl().parse(scanner.useDelimiter("\\Z").next()));
} finally {
scanner.close();
}
}
protected int convert (File jsonFile, String jsonPath)
throws IOException {
File bin = new File(outputRoot, jsonPath.replace(".json", ".bin"));
if (useModificationTimes && bin.exists() && bin.lastModified() > jsonFile.lastModified()) {
getLog().debug("Skipping up to date file " + bin);
return 0;
}
getLog().debug("Converting " + bin);
bin.getParentFile().mkdirs();
DataOutputStream ostream = new DataOutputStream(new FileOutputStream(bin));
try {
readLib(jsonFile).write(ostream);
} finally {
ostream.close();
}
return 1;
}
}