com.datastax.driver.core.ClasspathUtil Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of dse-java-driver-core Show documentation

A driver for DataStax Enterprise (DSE) and Apache Cassandra 1.2+ clusters that works exclusively with the Cassandra Query Language version 3 (CQL3) and Cassandra's binary protocol, supporting DSE-specific features such as geospatial types, DSE Graph and DSE authentication.

There is a newer version: 2.4.0

Show newest version

/*
 * Copyright DataStax, Inc.
 *
 * This software can be used solely with DataStax Enterprise. Please consult the license at
 * http://www.datastax.com/terms/datastax-dse-driver-license-terms
 */
package com.datastax.driver.core;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/** Utility methods and fields to inspect classpath contents. */
public class ClasspathUtil {

  private static final Logger LOGGER = LoggerFactory.getLogger(ClasspathUtil.class);

  private static final boolean JSR_310_AVAILABLE;

  static {
    boolean jsr310Available;
    try {
      Class.forName("java.time.Instant");
      jsr310Available = true;
    } catch (LinkageError e) {
      jsr310Available = false;
      LOGGER.warn("JSR 310 could not be loaded", e);
    } catch (ClassNotFoundException e) {
      jsr310Available = false;
    }
    JSR_310_AVAILABLE = jsr310Available;
  }

  /**
   * Returns {@code true} if {@code java.time} API (JSR-310) is available on the classpath, {@code
   * false} otherwise.
   *
   * @return {@code true} if {@code java.time} API is available on the classpath, {@code false}
   *     otherwise.
   */
  public static boolean isJavaTimeAvailable() {
    return JSR_310_AVAILABLE;
  }
}