212 if (obj instanceof Boolean) {
213 return value == ((Boolean)obj).booleanValue();
214 }
215 return false;
216 }
217
218 /**
219 * Returns {@code true} if and only if the system property
220 * named by the argument exists and is equal to the string
221 * {@code "true"}. (Beginning with version 1.0.2 of the
222 * Java<small><sup>TM</sup></small> platform, the test of
223 * this string is case insensitive.) A system property is accessible
224 * through {@code getProperty}, a method defined by the
225 * {@code System} class.
226 * <p>
227 * If there is no property with the specified name, or if the specified
228 * name is empty or null, then {@code false} is returned.
229 *
230 * @param name the system property name.
231 * @return the {@code boolean} value of the system property.
232 * @see java.lang.System#getProperty(java.lang.String)
233 * @see java.lang.System#getProperty(java.lang.String, java.lang.String)
234 */
235 public static boolean getBoolean(String name) {
236 boolean result = false;
237 try {
238 result = toBoolean(System.getProperty(name));
239 } catch (IllegalArgumentException e) {
240 } catch (NullPointerException e) {
241 }
242 return result;
243 }
244
245 /**
246 * Compares this {@code Boolean} instance with another.
247 *
248 * @param b the {@code Boolean} instance to be compared
249 * @return zero if this object represents the same boolean value as the
250 * argument; a positive value if this object represents true
251 * and the argument represents false; and a negative value if
252 * this object represents false and the argument represents true
253 * @throws NullPointerException if the argument is {@code null}
254 * @see Comparable
255 * @since 1.5
256 */
257 public int compareTo(Boolean b) {
258 return compare(this.value, b.value);
259 }
260
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212 if (obj instanceof Boolean) {
213 return value == ((Boolean)obj).booleanValue();
214 }
215 return false;
216 }
217
218 /**
219 * Returns {@code true} if and only if the system property
220 * named by the argument exists and is equal to the string
221 * {@code "true"}. (Beginning with version 1.0.2 of the
222 * Java<small><sup>TM</sup></small> platform, the test of
223 * this string is case insensitive.) A system property is accessible
224 * through {@code getProperty}, a method defined by the
225 * {@code System} class.
226 * <p>
227 * If there is no property with the specified name, or if the specified
228 * name is empty or null, then {@code false} is returned.
229 *
230 * @param name the system property name.
231 * @return the {@code boolean} value of the system property.
232 * @throws SecurityException for the same reasons as
233 * {@link System#getProperty(String) System.getProperty}
234 * @see java.lang.System#getProperty(java.lang.String)
235 * @see java.lang.System#getProperty(java.lang.String, java.lang.String)
236 */
237 public static boolean getBoolean(String name) {
238 boolean result = false;
239 try {
240 result = toBoolean(System.getProperty(name));
241 } catch (IllegalArgumentException | NullPointerException e) {
242 }
243 return result;
244 }
245
246 /**
247 * Compares this {@code Boolean} instance with another.
248 *
249 * @param b the {@code Boolean} instance to be compared
250 * @return zero if this object represents the same boolean value as the
251 * argument; a positive value if this object represents true
252 * and the argument represents false; and a negative value if
253 * this object represents false and the argument represents true
254 * @throws NullPointerException if the argument is {@code null}
255 * @see Comparable
256 * @since 1.5
257 */
258 public int compareTo(Boolean b) {
259 return compare(this.value, b.value);
260 }
261
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