LogLevel.java

package org.springframework.roo.felix;

import org.apache.commons.lang3.Validate;
import org.apache.commons.lang3.builder.ToStringBuilder;

/**
 * Provides levels for the Felix "log" command.
 * 
 * @author Ben Alex
 * @since 1.0
 */
public class LogLevel implements Comparable<LogLevel> {

  public static final LogLevel DEBUG = new LogLevel("DEBUG", "debug");
  public static final LogLevel ERROR = new LogLevel("ERROR", "error");

  public static final LogLevel INFORMATION = new LogLevel("INFORMATION", "info");
  public static final LogLevel WARNING = new LogLevel("WARNING", "warn");
  private final String felixCode;
  private final String key;

  public LogLevel(final String key, final String felixCode) {
    Validate.notBlank(key, "Key required");
    Validate.notBlank(felixCode, "Felix code required");
    this.key = key;
    this.felixCode = felixCode;
  }

  public final int compareTo(final LogLevel o) {
    if (o == null) {
      return -1;
    }
    final int result = key.compareTo(o.key);
    if (result == 0) {
      return felixCode.compareTo(o.felixCode);
    }
    return result;
  }

  @Override
  public final boolean equals(final Object obj) {
    return obj instanceof LogLevel && compareTo((LogLevel) obj) == 0;
  }

  public String getFelixCode() {
    return felixCode;
  }

  public String getKey() {
    return key;
  }

  @Override
  public final int hashCode() {
    return key.hashCode() * felixCode.hashCode();
  }

  @Override
  public String toString() {
    final ToStringBuilder builder = new ToStringBuilder(this);
    builder.append("key", key);
    builder.append("felixCode", felixCode);
    return builder.toString();
  }
}