55 lines
2.1 KiB
Java
55 lines
2.1 KiB
Java
/*
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* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.share;
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import java.util.Properties;
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/**
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* This program prints system properties.
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*/
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public class PrintProperties {
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public static void main(String[] args) {
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Properties pr = System.getProperties();
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switch (args.length) {
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case 0:
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pr.list(System.out);
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System.exit(0);
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case 1:
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String value = pr.getProperty(args[0]);
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if (value == null) {
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System.err.println("Not found");
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System.exit(1);
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} else {
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System.out.println(value);
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System.exit(0);
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}
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default:
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System.out.println("Usage:");
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System.out.println(" PrintProperties");
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System.out.println(" PrintProperties <property name>");
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System.exit(255);
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}
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}
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}
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