org.apache.inlong.sort.filesystem.shaded.software.amazon.ion.impl.PrivateCommandLine Maven / Gradle / Ivy
/*
* Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at:
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 software.amazon.ion.impl;
import java.io.IOException;
import software.amazon.ion.IonType;
import software.amazon.ion.IonWriter;
import software.amazon.ion.system.IonTextWriterBuilder;
import software.amazon.ion.util.JarInfo;
/**
* @deprecated This is an internal API that is subject to change without notice.
*/
@Deprecated
public final class PrivateCommandLine
{
static final int argid_VERSION = 2;
static final int argid_HELP = 3;
static final int argid_INVALID = -1;
static JarInfo info = null;
static boolean printHelp = false;
static boolean printVersion = false;
static String errorMessage = null;
/**
* This main simply prints the version information to
* allow users to identify the build version of the Jar.
*
* @param args user command line flags
*/
public static void main(String[] args) throws IOException
{
process_command_line(args);
info = new JarInfo();
if (printVersion) {
doPrintVersion();
}
if (printHelp) {
doPrintHelp();
}
}
private static void process_command_line(String[] args)
{
if (args.length == 0) printHelp = true;
for (int ii=0; ii ");
System.out.println("options:");
System.out.println("version\t\tprints current version entry");
System.out.println("help\t\tprints this helpful message");
if (errorMessage != null) {
System.out.println();
System.out.println(errorMessage);
}
}
private static void doPrintVersion() throws IOException
{
IonTextWriterBuilder b = IonTextWriterBuilder.pretty();
b.setCharset(IonTextWriterBuilder.ASCII);
IonWriter w = b.build((Appendable)System.out);
w.stepIn(IonType.STRUCT);
{
w.setFieldName("version");
w.writeString(info.getProjectVersion());
w.setFieldName("build_time");
w.writeTimestamp(info.getBuildTime());
}
w.stepOut();
w.finish();
System.out.println();
}
}