com.speedment.common.jvm_version.JvmVersion Maven / Gradle / Ivy

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A Speedment bundle that shades all dependencies into one jar. This is useful when deploying an application on a server.

There is a newer version: 3.1.18

/**
 *
 * Copyright (c) 2006-2019, Speedment, Inc. 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. 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 com.speedment.common.jvm_version;

import com.speedment.common.jvm_version.internal.InternalJvmVersion;

/**
 *
 * @author Per Minborg
 */
public final class JvmVersion {

    private static final InternalJvmVersion INTERNAL = new InternalJvmVersion();

    private JvmVersion() {
        throw new UnsupportedOperationException();
    }

    public static String getSpecificationTitle() {
        return INTERNAL.getSpecificationTitle();

    }

    public static String getSpecificationVersion() {
        return INTERNAL.getSpecificationVersion();
    }

    public static String getSpecificationVendor() {
        return INTERNAL.getSpecificationVendor();
    }

    public static String getImplementationTitle() {
        return INTERNAL.getImplementationTitle();

    }

    public static String getImplementationVersion() {
        return INTERNAL.getImplementationVersion();

    }

    public static String getImplementationVendor() {
        return INTERNAL.getImplementationVendor();

    }

    /**
     * Returns the major version number.
     *
     * @return The major version number
     */
    public static int major() {
        return INTERNAL.major();
    }

    /**
     * Returns the minor version number or zero if it was
     * not set.
     *
     * @return The minor version number or zero if it was not set
     */
    public static int minor() {
        return INTERNAL.minor();
    }

    /**
     * Returns the security version number or zero if it
     * was not set.
     *
     * @return The security version number or zero if it was not set
     */
    public static int security() {
        return INTERNAL.security();
    }

    /**
     * Returns if this JVM runs Java 8.
     *
     * @return if this JVM runs Java 8
     */
    public static boolean isJava8() {
        return major() == 8;
    }

    /**
     * Returns if this JVM runs Java 9 or higher.
     *
     * @return if this JVM runs Java 9 or higher
     */
    public static boolean isJava9OrHigher() {
        return major() > 8;
    }

}