/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.jooby;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.maven.plugin.MojoFailureException;
import org.jooby.run.Main;
public class RunForkedApp implements Command {
private File basedir;
private ExternalCommand cmd;
private String mainClass;
public RunForkedApp(final File basedir, final String debug, final List<String> vmArgs,
final Set<File> cp, final String mId, final String mainClass, final Set<File> appcp,
final String includes, final String excludes, final String watchDirs)
throws MojoFailureException {
this.basedir = basedir;
List<String> args = new ArrayList<String>();
args.addAll(vmArgs(debug, vmArgs));
args.add("-cp");
args.add(
cp.stream().map(File::getAbsolutePath).collect(Collectors.joining(File.pathSeparator)));
args.add(Main.class.getName());
args.add(mId);
args.add(mainClass);
args.add(appcp.stream().map(File::getAbsolutePath)
.collect(Collectors.joining(File.pathSeparator, "deps=", ""))
.trim());
if (includes != null) {
args.add("includes=" + includes);
}
if (excludes != null) {
args.add("excludes=" + excludes);
}
if (watchDirs != null) {
args.add("watchDirs=" + watchDirs);
}
args.add(
"props=" + dumpSysProps(basedir.toPath().resolve("target")
.resolve("sys.properties")));
cmd = new ExternalCommand(mainClass, "java", args);
cmd.setWorkdir(basedir);
this.mainClass = mainClass;
}
@Override
public void stop() throws InterruptedException {
cmd.stop();
}
@Override
public void execute() throws Exception {
cmd.execute();
}
private Path dumpSysProps(final Path path) throws MojoFailureException {
try {
FileOutputStream output = new FileOutputStream(path.toFile());
Properties properties = System.getProperties();
properties.store(output, "system properties");
return path;
} catch (IOException ex) {
throw new MojoFailureException("Can't dump system properties to: " + path, ex);
}
}
@Override
public File getWorkdir() {
return cmd.getWorkdir();
}
@Override
public void setWorkdir(final File workdir) {
}
@Override
public String debug() {
return cmd.debug();
}
private List<String> vmArgs(final String debug, final List<String> vmArgs) {
List<String> results = new ArrayList<String>();
if (vmArgs != null) {
results.addAll(vmArgs);
}
if (!"false".equals(debug)) {
// true, number, debug line
if ("true".equals(debug)) {
// default debug
results.add("-agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n");
} else {
try {
int port = Integer.parseInt(debug);
results.add("-agentlib:jdwp=transport=dt_socket,address=" + port + ",server=y,suspend=n");
} catch (NumberFormatException ex) {
// assume it is a debug line
results.add(debug);
}
}
}
// logback
File[] logbackFiles = {localFile("conf", "logback-test.xml"),
localFile("conf", "logback.xml") };
for (File logback : logbackFiles) {
if (logback.exists()) {
results.add("-Dlogback.configurationFile=" + logback.getAbsolutePath());
break;
}
}
// dcevm? OFF
// String altjvm = null;
// for (String boot : System.getProperty("sun.boot.library.path", "").split(File.pathSeparator))
// {
// File dcevm = new File(boot, "dcevm");
// if (dcevm.exists()) {
// altjvm = dcevm.getName();
// }
// }
// if (altjvm == null) {
// getLog().error("dcevm not found, please install it: https://github.com/dcevm/dcevm");
// } else {
// results.add("-XXaltjvm=" + altjvm);
// }
return results;
}
private File localFile(final String... paths) {
File result = basedir;
for (String path : paths) {
result = new File(result, path);
}
return result;
}
@Override
public String toString() {
return mainClass;
}
}