CliOptionContext.java

package org.springframework.roo.shell;

/**
 * Utility methods relating to shell option contexts
 */
public final class CliOptionContext {

  // Class fields
  private static ThreadLocal<String> optionContextHolder = new ThreadLocal<String>();

  /**
   * Returns the option context for the current thread.
   * 
   * @return <code>null</code> if none has been set
   */
  public static String getOptionContext() {
    return optionContextHolder.get();
  }

  /**
   * Resets the option context for the current thread.
   */
  public static void resetOptionContext() {
    optionContextHolder.remove();
  }

  /**
   * Stores the given option context for the current thread.
   * 
   * @param optionContext the option context to store
   */
  public static void setOptionContext(final String optionContext) {
    optionContextHolder.set(optionContext);
  }

  /**
   * Constructor is private to prevent instantiation
   */
  private CliOptionContext() {}
}