PsOptions.java

package org.springframework.roo.felix;

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

/**
 * Provides display formats for the Felix "ps" command.
 * 
 * @author Ben Alex
 * @since 1.0
 */
public class PsOptions implements Comparable<PsOptions> {

  public static final PsOptions BUNDLE_NAME = new PsOptions("BUNDLE_NAME", ""); // default
  public static final PsOptions LOCATION_PATH = new PsOptions("LOCATION_PATH", " -l");

  public static final PsOptions SYMBOLIC_NAME = new PsOptions("SYMBOLIC_NAME", " -s");
  public static final PsOptions UPDATE_PATH = new PsOptions("UPDATE_PATH", " -u");
  private final String felixCode;
  private final String key;

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

  public final int compareTo(final PsOptions 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 PsOptions && compareTo((PsOptions) 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();
  }
}