From 218eae4c3af792c84fd93513ba9870e9759e70c3 Mon Sep 17 00:00:00 2001 From: Gary Gregory Date: Mon, 28 Sep 2020 15:13:28 -0400 Subject: [PATCH] Sort members. --- .../apache/commons/lang3/BooleanUtils.java | 1009 ++++++++--------- 1 file changed, 495 insertions(+), 514 deletions(-) diff --git a/src/main/java/org/apache/commons/lang3/BooleanUtils.java b/src/main/java/org/apache/commons/lang3/BooleanUtils.java index 5bfcea29d..393385389 100644 --- a/src/main/java/org/apache/commons/lang3/BooleanUtils.java +++ b/src/main/java/org/apache/commons/lang3/BooleanUtils.java @@ -31,78 +31,89 @@ import org.apache.commons.lang3.math.NumberUtils; public class BooleanUtils { /** - *

{@code BooleanUtils} instances should NOT be constructed in standard programming. - * Instead, the class should be used as {@code BooleanUtils.negate(true);}.

- * - *

This constructor is public to permit tools that require a JavaBean instance - * to operate.

- */ - public BooleanUtils() { - super(); - } - - // Boolean utilities - //-------------------------------------------------------------------------- - /** - *

Negates the specified boolean.

- * - *

If {@code null} is passed in, {@code null} will be returned.

- * - *

NOTE: This returns {@code null} and will throw a {@code NullPointerException} - * if unboxed to a boolean.

+ *

Performs an 'and' operation on a set of booleans.

* *
-     *   BooleanUtils.negate(Boolean.TRUE)  = Boolean.FALSE;
-     *   BooleanUtils.negate(Boolean.FALSE) = Boolean.TRUE;
-     *   BooleanUtils.negate(null)          = null;
+     *   BooleanUtils.and(true, true)         = true
+     *   BooleanUtils.and(false, false)       = false
+     *   BooleanUtils.and(true, false)        = false
+     *   BooleanUtils.and(true, true, false)  = false
+     *   BooleanUtils.and(true, true, true)   = true
      * 
* - * @param bool the Boolean to negate, may be null - * @return the negated Boolean, or {@code null} if {@code null} input + * @param array an array of {@code boolean}s + * @return the result of the logical 'and' operation. That is {@code false} + * if any of the parameters is {@code false} and {@code true} otherwise. + * @throws IllegalArgumentException if {@code array} is {@code null} + * @throws IllegalArgumentException if {@code array} is empty. + * @since 3.0.1 */ - public static Boolean negate(final Boolean bool) { - if (bool == null) { - return null; + public static boolean and(final boolean... array) { + // Validates input + if (array == null) { + throw new IllegalArgumentException("The Array must not be null"); } - return bool.booleanValue() ? Boolean.FALSE : Boolean.TRUE; - } - - // boolean Boolean methods - //----------------------------------------------------------------------- - /** - *

Checks if a {@code Boolean} value is {@code true}, - * handling {@code null} by returning {@code false}.

- * - *
-     *   BooleanUtils.isTrue(Boolean.TRUE)  = true
-     *   BooleanUtils.isTrue(Boolean.FALSE) = false
-     *   BooleanUtils.isTrue(null)          = false
-     * 
- * - * @param bool the boolean to check, {@code null} returns {@code false} - * @return {@code true} only if the input is non-null and true - * @since 2.1 - */ - public static boolean isTrue(final Boolean bool) { - return Boolean.TRUE.equals(bool); + if (array.length == 0) { + throw new IllegalArgumentException("Array is empty"); + } + for (final boolean element : array) { + if (!element) { + return false; + } + } + return true; } /** - *

Checks if a {@code Boolean} value is not {@code true}, - * handling {@code null} by returning {@code true}.

+ *

Performs an 'and' operation on an array of Booleans.

* *
-     *   BooleanUtils.isNotTrue(Boolean.TRUE)  = false
-     *   BooleanUtils.isNotTrue(Boolean.FALSE) = true
-     *   BooleanUtils.isNotTrue(null)          = true
+     *   BooleanUtils.and(Boolean.TRUE, Boolean.TRUE)                 = Boolean.TRUE
+     *   BooleanUtils.and(Boolean.FALSE, Boolean.FALSE)               = Boolean.FALSE
+     *   BooleanUtils.and(Boolean.TRUE, Boolean.FALSE)                = Boolean.FALSE
+     *   BooleanUtils.and(Boolean.TRUE, Boolean.TRUE, Boolean.TRUE)   = Boolean.TRUE
+     *   BooleanUtils.and(Boolean.FALSE, Boolean.FALSE, Boolean.TRUE) = Boolean.FALSE
+     *   BooleanUtils.and(Boolean.TRUE, Boolean.FALSE, Boolean.TRUE)  = Boolean.FALSE
      * 
* - * @param bool the boolean to check, null returns {@code true} - * @return {@code true} if the input is null or false - * @since 2.3 + * @param array an array of {@code Boolean}s + * @return the result of the logical 'and' operation. That is {@code false} + * if any of the parameters is {@code false} and {@code true} otherwise. + * @throws IllegalArgumentException if {@code array} is {@code null} + * @throws IllegalArgumentException if {@code array} is empty. + * @throws IllegalArgumentException if {@code array} contains a {@code null} + * @since 3.0.1 */ - public static boolean isNotTrue(final Boolean bool) { - return !isTrue(bool); + public static Boolean and(final Boolean... array) { + if (array == null) { + throw new IllegalArgumentException("The Array must not be null"); + } + if (array.length == 0) { + throw new IllegalArgumentException("Array is empty"); + } + try { + final boolean[] primitive = ArrayUtils.toPrimitive(array); + return and(primitive) ? Boolean.TRUE : Boolean.FALSE; + } catch (final NullPointerException ex) { + throw new IllegalArgumentException("The array must not contain any null elements"); + } + } + + /** + *

Compares two {@code boolean} values. This is the same functionality as provided in Java 7.

+ * + * @param x the first {@code boolean} to compare + * @param y the second {@code boolean} to compare + * @return the value {@code 0} if {@code x == y}; + * a value less than {@code 0} if {@code !x && y}; and + * a value greater than {@code 0} if {@code x && !y} + * @since 3.4 + */ + public static int compare(final boolean x, final boolean y) { + if (x == y) { + return 0; + } + return x ? 1 : -1; } /** @@ -141,7 +152,134 @@ public class BooleanUtils { return !isFalse(bool); } - //----------------------------------------------------------------------- + /** + *

Checks if a {@code Boolean} value is not {@code true}, + * handling {@code null} by returning {@code true}.

+ * + *
+     *   BooleanUtils.isNotTrue(Boolean.TRUE)  = false
+     *   BooleanUtils.isNotTrue(Boolean.FALSE) = true
+     *   BooleanUtils.isNotTrue(null)          = true
+     * 
+ * + * @param bool the boolean to check, null returns {@code true} + * @return {@code true} if the input is null or false + * @since 2.3 + */ + public static boolean isNotTrue(final Boolean bool) { + return !isTrue(bool); + } + + /** + *

Checks if a {@code Boolean} value is {@code true}, + * handling {@code null} by returning {@code false}.

+ * + *
+     *   BooleanUtils.isTrue(Boolean.TRUE)  = true
+     *   BooleanUtils.isTrue(Boolean.FALSE) = false
+     *   BooleanUtils.isTrue(null)          = false
+     * 
+ * + * @param bool the boolean to check, {@code null} returns {@code false} + * @return {@code true} only if the input is non-null and true + * @since 2.1 + */ + public static boolean isTrue(final Boolean bool) { + return Boolean.TRUE.equals(bool); + } + + /** + *

Negates the specified boolean.

+ * + *

If {@code null} is passed in, {@code null} will be returned.

+ * + *

NOTE: This returns {@code null} and will throw a {@code NullPointerException} + * if unboxed to a boolean.

+ * + *
+     *   BooleanUtils.negate(Boolean.TRUE)  = Boolean.FALSE;
+     *   BooleanUtils.negate(Boolean.FALSE) = Boolean.TRUE;
+     *   BooleanUtils.negate(null)          = null;
+     * 
+ * + * @param bool the Boolean to negate, may be null + * @return the negated Boolean, or {@code null} if {@code null} input + */ + public static Boolean negate(final Boolean bool) { + if (bool == null) { + return null; + } + return bool.booleanValue() ? Boolean.FALSE : Boolean.TRUE; + } + + /** + *

Performs an 'or' operation on a set of booleans.

+ * + *
+     *   BooleanUtils.or(true, true)          = true
+     *   BooleanUtils.or(false, false)        = false
+     *   BooleanUtils.or(true, false)         = true
+     *   BooleanUtils.or(true, true, false)   = true
+     *   BooleanUtils.or(true, true, true)    = true
+     *   BooleanUtils.or(false, false, false) = false
+     * 
+ * + * @param array an array of {@code boolean}s + * @return {@code true} if any of the arguments is {@code true}, and it returns {@code false} otherwise. + * @throws IllegalArgumentException if {@code array} is {@code null} + * @throws IllegalArgumentException if {@code array} is empty. + * @since 3.0.1 + */ + public static boolean or(final boolean... array) { + if (array == null) { + throw new IllegalArgumentException("The Array must not be null"); + } + if (array.length == 0) { + throw new IllegalArgumentException("Array is empty"); + } + for (final boolean element : array) { + if (element) { + return true; + } + } + return false; + } + + /** + *

Performs an 'or' operation on an array of Booleans.

+ * + *
+     *   BooleanUtils.or(Boolean.TRUE, Boolean.TRUE)                  = Boolean.TRUE
+     *   BooleanUtils.or(Boolean.FALSE, Boolean.FALSE)                = Boolean.FALSE
+     *   BooleanUtils.or(Boolean.TRUE, Boolean.FALSE)                 = Boolean.TRUE
+     *   BooleanUtils.or(Boolean.TRUE, Boolean.TRUE, Boolean.TRUE)    = Boolean.TRUE
+     *   BooleanUtils.or(Boolean.FALSE, Boolean.FALSE, Boolean.TRUE)  = Boolean.TRUE
+     *   BooleanUtils.or(Boolean.TRUE, Boolean.FALSE, Boolean.TRUE)   = Boolean.TRUE
+     *   BooleanUtils.or(Boolean.FALSE, Boolean.FALSE, Boolean.FALSE) = Boolean.FALSE
+     * 
+ * + * @param array an array of {@code Boolean}s + * @return {@code true} if any of the arguments is {@code true}, and it returns {@code false} otherwise. + * @throws IllegalArgumentException if {@code array} is {@code null} + * @throws IllegalArgumentException if {@code array} is empty. + * @throws IllegalArgumentException if {@code array} contains a {@code null} + * @since 3.0.1 + */ + public static Boolean or(final Boolean... array) { + if (array == null) { + throw new IllegalArgumentException("The Array must not be null"); + } + if (array.length == 0) { + throw new IllegalArgumentException("Array is empty"); + } + try { + final boolean[] primitive = ArrayUtils.toPrimitive(array); + return or(primitive) ? Boolean.TRUE : Boolean.FALSE; + } catch (final NullPointerException ex) { + throw new IllegalArgumentException("The array must not contain any null elements"); + } + } + /** *

Converts a Boolean to a boolean handling {@code null} * by returning {@code false}.

@@ -159,31 +297,6 @@ public class BooleanUtils { return bool != null && bool.booleanValue(); } - /** - *

Converts a Boolean to a boolean handling {@code null}.

- * - *
-     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.TRUE, false)  = true
-     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.TRUE, true)   = true
-     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.FALSE, true)  = false
-     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.FALSE, false) = false
-     *   BooleanUtils.toBooleanDefaultIfNull(null, true)           = true
-     *   BooleanUtils.toBooleanDefaultIfNull(null, false)          = false
-     * 
- * - * @param bool the boolean object to convert to primitive - * @param valueIfNull the boolean value to return if the parameter {@code bool} is {@code null} - * @return {@code true} or {@code false} - */ - public static boolean toBooleanDefaultIfNull(final Boolean bool, final boolean valueIfNull) { - if (bool == null) { - return valueIfNull; - } - return bool.booleanValue(); - } - - // Integer to Boolean methods - //----------------------------------------------------------------------- /** *

Converts an int to a boolean using the convention that {@code zero} * is {@code false}, everything else is {@code true}.

@@ -202,50 +315,6 @@ public class BooleanUtils { return value != 0; } - /** - *

Converts an int to a Boolean using the convention that {@code zero} - * is {@code false}, everything else is {@code true}.

- * - *
-     *   BooleanUtils.toBoolean(0) = Boolean.FALSE
-     *   BooleanUtils.toBoolean(1) = Boolean.TRUE
-     *   BooleanUtils.toBoolean(2) = Boolean.TRUE
-     * 
- * - * @param value the int to convert - * @return Boolean.TRUE if non-zero, Boolean.FALSE if zero, - * {@code null} if {@code null} - */ - public static Boolean toBooleanObject(final int value) { - return value == 0 ? Boolean.FALSE : Boolean.TRUE; - } - - /** - *

Converts an Integer to a Boolean using the convention that {@code zero} - * is {@code false}, every other numeric value is {@code true}.

- * - *

{@code null} will be converted to {@code null}.

- * - *

NOTE: This method may return {@code null} and may throw a {@code NullPointerException} - * if unboxed to a {@code boolean}.

- * - *
-     *   BooleanUtils.toBoolean(Integer.valueOf(0))    = Boolean.FALSE
-     *   BooleanUtils.toBoolean(Integer.valueOf(1))    = Boolean.TRUE
-     *   BooleanUtils.toBoolean(Integer.valueOf(null)) = null
-     * 
- * - * @param value the Integer to convert - * @return Boolean.TRUE if non-zero, Boolean.FALSE if zero, - * {@code null} if {@code null} input - */ - public static Boolean toBooleanObject(final Integer value) { - if (value == null) { - return null; - } - return value.intValue() == 0 ? Boolean.FALSE : Boolean.TRUE; - } - /** *

Converts an int to a boolean specifying the conversion values.

* @@ -310,6 +379,109 @@ public class BooleanUtils { throw new IllegalArgumentException("The Integer did not match either specified value"); } + /** + *

Converts a String to a boolean (optimised for performance).

+ * + *

{@code 'true'}, {@code 'on'}, {@code 'y'}, {@code 't'} or {@code 'yes'} + * (case insensitive) will return {@code true}. Otherwise, + * {@code false} is returned.

+ * + *

This method performs 4 times faster (JDK1.4) than + * {@code Boolean.valueOf(String)}. However, this method accepts + * 'on' and 'yes', 't', 'y' as true values. + * + *

+     *   BooleanUtils.toBoolean(null)    = false
+     *   BooleanUtils.toBoolean("true")  = true
+     *   BooleanUtils.toBoolean("TRUE")  = true
+     *   BooleanUtils.toBoolean("tRUe")  = true
+     *   BooleanUtils.toBoolean("on")    = true
+     *   BooleanUtils.toBoolean("yes")   = true
+     *   BooleanUtils.toBoolean("false") = false
+     *   BooleanUtils.toBoolean("x gti") = false
+     *   BooleanUtils.toBooleanObject("y") = true
+     *   BooleanUtils.toBooleanObject("n") = false
+     *   BooleanUtils.toBooleanObject("t") = true
+     *   BooleanUtils.toBooleanObject("f") = false
+     * 
+ * + * @param str the String to check + * @return the boolean value of the string, {@code false} if no match or the String is null + */ + public static boolean toBoolean(final String str) { + return toBooleanObject(str) == Boolean.TRUE; + } + + /** + *

Converts a String to a Boolean throwing an exception if no match found.

+ * + *
+     *   BooleanUtils.toBoolean("true", "true", "false")  = true
+     *   BooleanUtils.toBoolean("false", "true", "false") = false
+     * 
+ * + * @param str the String to check + * @param trueString the String to match for {@code true} (case sensitive), may be {@code null} + * @param falseString the String to match for {@code false} (case sensitive), may be {@code null} + * @return the boolean value of the string + * @throws IllegalArgumentException if the String doesn't match + */ + public static boolean toBoolean(final String str, final String trueString, final String falseString) { + if (str == trueString) { + return true; + } else if (str == falseString) { + return false; + } else if (str != null) { + if (str.equals(trueString)) { + return true; + } else if (str.equals(falseString)) { + return false; + } + } + throw new IllegalArgumentException("The String did not match either specified value"); + } + + /** + *

Converts a Boolean to a boolean handling {@code null}.

+ * + *
+     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.TRUE, false)  = true
+     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.TRUE, true)   = true
+     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.FALSE, true)  = false
+     *   BooleanUtils.toBooleanDefaultIfNull(Boolean.FALSE, false) = false
+     *   BooleanUtils.toBooleanDefaultIfNull(null, true)           = true
+     *   BooleanUtils.toBooleanDefaultIfNull(null, false)          = false
+     * 
+ * + * @param bool the boolean object to convert to primitive + * @param valueIfNull the boolean value to return if the parameter {@code bool} is {@code null} + * @return {@code true} or {@code false} + */ + public static boolean toBooleanDefaultIfNull(final Boolean bool, final boolean valueIfNull) { + if (bool == null) { + return valueIfNull; + } + return bool.booleanValue(); + } + + /** + *

Converts an int to a Boolean using the convention that {@code zero} + * is {@code false}, everything else is {@code true}.

+ * + *
+     *   BooleanUtils.toBoolean(0) = Boolean.FALSE
+     *   BooleanUtils.toBoolean(1) = Boolean.TRUE
+     *   BooleanUtils.toBoolean(2) = Boolean.TRUE
+     * 
+ * + * @param value the int to convert + * @return Boolean.TRUE if non-zero, Boolean.FALSE if zero, + * {@code null} if {@code null} + */ + public static Boolean toBooleanObject(final int value) { + return value == 0 ? Boolean.FALSE : Boolean.TRUE; + } + /** *

Converts an int to a Boolean specifying the conversion values.

* @@ -348,6 +520,32 @@ public class BooleanUtils { throw new IllegalArgumentException("The Integer did not match any specified value"); } + /** + *

Converts an Integer to a Boolean using the convention that {@code zero} + * is {@code false}, every other numeric value is {@code true}.

+ * + *

{@code null} will be converted to {@code null}.

+ * + *

NOTE: This method may return {@code null} and may throw a {@code NullPointerException} + * if unboxed to a {@code boolean}.

+ * + *
+     *   BooleanUtils.toBoolean(Integer.valueOf(0))    = Boolean.FALSE
+     *   BooleanUtils.toBoolean(Integer.valueOf(1))    = Boolean.TRUE
+     *   BooleanUtils.toBoolean(Integer.valueOf(null)) = null
+     * 
+ * + * @param value the Integer to convert + * @return Boolean.TRUE if non-zero, Boolean.FALSE if zero, + * {@code null} if {@code null} input + */ + public static Boolean toBooleanObject(final Integer value) { + if (value == null) { + return null; + } + return value.intValue() == 0 ? Boolean.FALSE : Boolean.TRUE; + } + /** *

Converts an Integer to a Boolean specifying the conversion values.

* @@ -394,141 +592,6 @@ public class BooleanUtils { throw new IllegalArgumentException("The Integer did not match any specified value"); } - // Boolean to Integer methods - //----------------------------------------------------------------------- - /** - *

Converts a boolean to an int using the convention that - * {@code true} is {@code 1} and {@code false} is {@code 0}.

- * - *
-     *   BooleanUtils.toInteger(true)  = 1
-     *   BooleanUtils.toInteger(false) = 0
-     * 
- * - * @param bool the boolean to convert - * @return one if {@code true}, zero if {@code false} - */ - public static int toInteger(final boolean bool) { - return bool ? 1 : 0; - } - - /** - *

Converts a boolean to an Integer using the convention that - * {@code true} is {@code 1} and {@code false} is {@code 0}.

- * - *
-     *   BooleanUtils.toIntegerObject(true)  = Integer.valueOf(1)
-     *   BooleanUtils.toIntegerObject(false) = Integer.valueOf(0)
-     * 
- * - * @param bool the boolean to convert - * @return one if {@code true}, zero if {@code false} - */ - public static Integer toIntegerObject(final boolean bool) { - return bool ? NumberUtils.INTEGER_ONE : NumberUtils.INTEGER_ZERO; - } - - /** - *

Converts a Boolean to a Integer using the convention that - * {@code zero} is {@code false}.

- * - *

{@code null} will be converted to {@code null}.

- * - *
-     *   BooleanUtils.toIntegerObject(Boolean.TRUE)  = Integer.valueOf(1)
-     *   BooleanUtils.toIntegerObject(Boolean.FALSE) = Integer.valueOf(0)
-     * 
- * - * @param bool the Boolean to convert - * @return one if Boolean.TRUE, zero if Boolean.FALSE, {@code null} if {@code null} - */ - public static Integer toIntegerObject(final Boolean bool) { - if (bool == null) { - return null; - } - return bool.booleanValue() ? NumberUtils.INTEGER_ONE : NumberUtils.INTEGER_ZERO; - } - - /** - *

Converts a boolean to an int specifying the conversion values.

- * - *
-     *   BooleanUtils.toInteger(true, 1, 0)  = 1
-     *   BooleanUtils.toInteger(false, 1, 0) = 0
-     * 
- * - * @param bool the to convert - * @param trueValue the value to return if {@code true} - * @param falseValue the value to return if {@code false} - * @return the appropriate value - */ - public static int toInteger(final boolean bool, final int trueValue, final int falseValue) { - return bool ? trueValue : falseValue; - } - - /** - *

Converts a Boolean to an int specifying the conversion values.

- * - *
-     *   BooleanUtils.toInteger(Boolean.TRUE, 1, 0, 2)  = 1
-     *   BooleanUtils.toInteger(Boolean.FALSE, 1, 0, 2) = 0
-     *   BooleanUtils.toInteger(null, 1, 0, 2)          = 2
-     * 
- * - * @param bool the Boolean to convert - * @param trueValue the value to return if {@code true} - * @param falseValue the value to return if {@code false} - * @param nullValue the value to return if {@code null} - * @return the appropriate value - */ - public static int toInteger(final Boolean bool, final int trueValue, final int falseValue, final int nullValue) { - if (bool == null) { - return nullValue; - } - return bool.booleanValue() ? trueValue : falseValue; - } - - /** - *

Converts a boolean to an Integer specifying the conversion values.

- * - *
-     *   BooleanUtils.toIntegerObject(true, Integer.valueOf(1), Integer.valueOf(0))  = Integer.valueOf(1)
-     *   BooleanUtils.toIntegerObject(false, Integer.valueOf(1), Integer.valueOf(0)) = Integer.valueOf(0)
-     * 
- * - * @param bool the to convert - * @param trueValue the value to return if {@code true}, may be {@code null} - * @param falseValue the value to return if {@code false}, may be {@code null} - * @return the appropriate value - */ - public static Integer toIntegerObject(final boolean bool, final Integer trueValue, final Integer falseValue) { - return bool ? trueValue : falseValue; - } - - /** - *

Converts a Boolean to an Integer specifying the conversion values.

- * - *
-     *   BooleanUtils.toIntegerObject(Boolean.TRUE, Integer.valueOf(1), Integer.valueOf(0), Integer.valueOf(2))  = Integer.valueOf(1)
-     *   BooleanUtils.toIntegerObject(Boolean.FALSE, Integer.valueOf(1), Integer.valueOf(0), Integer.valueOf(2)) = Integer.valueOf(0)
-     *   BooleanUtils.toIntegerObject(null, Integer.valueOf(1), Integer.valueOf(0), Integer.valueOf(2))          = Integer.valueOf(2)
-     * 
- * - * @param bool the Boolean to convert - * @param trueValue the value to return if {@code true}, may be {@code null} - * @param falseValue the value to return if {@code false}, may be {@code null} - * @param nullValue the value to return if {@code null}, may be {@code null} - * @return the appropriate value - */ - public static Integer toIntegerObject(final Boolean bool, final Integer trueValue, final Integer falseValue, final Integer nullValue) { - if (bool == null) { - return nullValue; - } - return bool.booleanValue() ? trueValue : falseValue; - } - - // String to Boolean methods - //----------------------------------------------------------------------- /** *

Converts a String to a Boolean.

* @@ -706,121 +769,152 @@ public class BooleanUtils { throw new IllegalArgumentException("The String did not match any specified value"); } - // String to boolean methods - //----------------------------------------------------------------------- /** - *

Converts a String to a boolean (optimised for performance).

- * - *

{@code 'true'}, {@code 'on'}, {@code 'y'}, {@code 't'} or {@code 'yes'} - * (case insensitive) will return {@code true}. Otherwise, - * {@code false} is returned.

- * - *

This method performs 4 times faster (JDK1.4) than - * {@code Boolean.valueOf(String)}. However, this method accepts - * 'on' and 'yes', 't', 'y' as true values. + *

Converts a boolean to an int using the convention that + * {@code true} is {@code 1} and {@code false} is {@code 0}.

* *
-     *   BooleanUtils.toBoolean(null)    = false
-     *   BooleanUtils.toBoolean("true")  = true
-     *   BooleanUtils.toBoolean("TRUE")  = true
-     *   BooleanUtils.toBoolean("tRUe")  = true
-     *   BooleanUtils.toBoolean("on")    = true
-     *   BooleanUtils.toBoolean("yes")   = true
-     *   BooleanUtils.toBoolean("false") = false
-     *   BooleanUtils.toBoolean("x gti") = false
-     *   BooleanUtils.toBooleanObject("y") = true
-     *   BooleanUtils.toBooleanObject("n") = false
-     *   BooleanUtils.toBooleanObject("t") = true
-     *   BooleanUtils.toBooleanObject("f") = false
+     *   BooleanUtils.toInteger(true)  = 1
+     *   BooleanUtils.toInteger(false) = 0
      * 
* - * @param str the String to check - * @return the boolean value of the string, {@code false} if no match or the String is null + * @param bool the boolean to convert + * @return one if {@code true}, zero if {@code false} */ - public static boolean toBoolean(final String str) { - return toBooleanObject(str) == Boolean.TRUE; + public static int toInteger(final boolean bool) { + return bool ? 1 : 0; } /** - *

Converts a String to a Boolean throwing an exception if no match found.

+ *

Converts a boolean to an int specifying the conversion values.

* *
-     *   BooleanUtils.toBoolean("true", "true", "false")  = true
-     *   BooleanUtils.toBoolean("false", "true", "false") = false
+     *   BooleanUtils.toInteger(true, 1, 0)  = 1
+     *   BooleanUtils.toInteger(false, 1, 0) = 0
      * 
* - * @param str the String to check - * @param trueString the String to match for {@code true} (case sensitive), may be {@code null} - * @param falseString the String to match for {@code false} (case sensitive), may be {@code null} - * @return the boolean value of the string - * @throws IllegalArgumentException if the String doesn't match + * @param bool the to convert + * @param trueValue the value to return if {@code true} + * @param falseValue the value to return if {@code false} + * @return the appropriate value */ - public static boolean toBoolean(final String str, final String trueString, final String falseString) { - if (str == trueString) { - return true; - } else if (str == falseString) { - return false; - } else if (str != null) { - if (str.equals(trueString)) { - return true; - } else if (str.equals(falseString)) { - return false; - } + public static int toInteger(final boolean bool, final int trueValue, final int falseValue) { + return bool ? trueValue : falseValue; + } + + /** + *

Converts a Boolean to an int specifying the conversion values.

+ * + *
+     *   BooleanUtils.toInteger(Boolean.TRUE, 1, 0, 2)  = 1
+     *   BooleanUtils.toInteger(Boolean.FALSE, 1, 0, 2) = 0
+     *   BooleanUtils.toInteger(null, 1, 0, 2)          = 2
+     * 
+ * + * @param bool the Boolean to convert + * @param trueValue the value to return if {@code true} + * @param falseValue the value to return if {@code false} + * @param nullValue the value to return if {@code null} + * @return the appropriate value + */ + public static int toInteger(final Boolean bool, final int trueValue, final int falseValue, final int nullValue) { + if (bool == null) { + return nullValue; } - throw new IllegalArgumentException("The String did not match either specified value"); - } - - // Boolean to String methods - //----------------------------------------------------------------------- - /** - *

Converts a Boolean to a String returning {@code 'true'}, - * {@code 'false'}, or {@code null}.

- * - *
-     *   BooleanUtils.toStringTrueFalse(Boolean.TRUE)  = "true"
-     *   BooleanUtils.toStringTrueFalse(Boolean.FALSE) = "false"
-     *   BooleanUtils.toStringTrueFalse(null)          = null;
-     * 
- * - * @param bool the Boolean to check - * @return {@code 'true'}, {@code 'false'}, or {@code null} - */ - public static String toStringTrueFalse(final Boolean bool) { - return toString(bool, "true", "false", null); + return bool.booleanValue() ? trueValue : falseValue; } /** - *

Converts a Boolean to a String returning {@code 'on'}, - * {@code 'off'}, or {@code null}.

+ *

Converts a boolean to an Integer using the convention that + * {@code true} is {@code 1} and {@code false} is {@code 0}.

* *
-     *   BooleanUtils.toStringOnOff(Boolean.TRUE)  = "on"
-     *   BooleanUtils.toStringOnOff(Boolean.FALSE) = "off"
-     *   BooleanUtils.toStringOnOff(null)          = null;
+     *   BooleanUtils.toIntegerObject(true)  = Integer.valueOf(1)
+     *   BooleanUtils.toIntegerObject(false) = Integer.valueOf(0)
      * 
* - * @param bool the Boolean to check - * @return {@code 'on'}, {@code 'off'}, or {@code null} + * @param bool the boolean to convert + * @return one if {@code true}, zero if {@code false} */ - public static String toStringOnOff(final Boolean bool) { - return toString(bool, "on", "off", null); + public static Integer toIntegerObject(final boolean bool) { + return bool ? NumberUtils.INTEGER_ONE : NumberUtils.INTEGER_ZERO; } /** - *

Converts a Boolean to a String returning {@code 'yes'}, - * {@code 'no'}, or {@code null}.

+ *

Converts a boolean to an Integer specifying the conversion values.

* *
-     *   BooleanUtils.toStringYesNo(Boolean.TRUE)  = "yes"
-     *   BooleanUtils.toStringYesNo(Boolean.FALSE) = "no"
-     *   BooleanUtils.toStringYesNo(null)          = null;
+     *   BooleanUtils.toIntegerObject(true, Integer.valueOf(1), Integer.valueOf(0))  = Integer.valueOf(1)
+     *   BooleanUtils.toIntegerObject(false, Integer.valueOf(1), Integer.valueOf(0)) = Integer.valueOf(0)
+     * 
+ * + * @param bool the to convert + * @param trueValue the value to return if {@code true}, may be {@code null} + * @param falseValue the value to return if {@code false}, may be {@code null} + * @return the appropriate value + */ + public static Integer toIntegerObject(final boolean bool, final Integer trueValue, final Integer falseValue) { + return bool ? trueValue : falseValue; + } + + /** + *

Converts a Boolean to a Integer using the convention that + * {@code zero} is {@code false}.

+ * + *

{@code null} will be converted to {@code null}.

+ * + *
+     *   BooleanUtils.toIntegerObject(Boolean.TRUE)  = Integer.valueOf(1)
+     *   BooleanUtils.toIntegerObject(Boolean.FALSE) = Integer.valueOf(0)
+     * 
+ * + * @param bool the Boolean to convert + * @return one if Boolean.TRUE, zero if Boolean.FALSE, {@code null} if {@code null} + */ + public static Integer toIntegerObject(final Boolean bool) { + if (bool == null) { + return null; + } + return bool.booleanValue() ? NumberUtils.INTEGER_ONE : NumberUtils.INTEGER_ZERO; + } + + /** + *

Converts a Boolean to an Integer specifying the conversion values.

+ * + *
+     *   BooleanUtils.toIntegerObject(Boolean.TRUE, Integer.valueOf(1), Integer.valueOf(0), Integer.valueOf(2))  = Integer.valueOf(1)
+     *   BooleanUtils.toIntegerObject(Boolean.FALSE, Integer.valueOf(1), Integer.valueOf(0), Integer.valueOf(2)) = Integer.valueOf(0)
+     *   BooleanUtils.toIntegerObject(null, Integer.valueOf(1), Integer.valueOf(0), Integer.valueOf(2))          = Integer.valueOf(2)
+     * 
+ * + * @param bool the Boolean to convert + * @param trueValue the value to return if {@code true}, may be {@code null} + * @param falseValue the value to return if {@code false}, may be {@code null} + * @param nullValue the value to return if {@code null}, may be {@code null} + * @return the appropriate value + */ + public static Integer toIntegerObject(final Boolean bool, final Integer trueValue, final Integer falseValue, final Integer nullValue) { + if (bool == null) { + return nullValue; + } + return bool.booleanValue() ? trueValue : falseValue; + } + + /** + *

Converts a boolean to a String returning one of the input Strings.

+ * + *
+     *   BooleanUtils.toString(true, "true", "false")   = "true"
+     *   BooleanUtils.toString(false, "true", "false")  = "false"
      * 
* * @param bool the Boolean to check - * @return {@code 'yes'}, {@code 'no'}, or {@code null} + * @param trueString the String to return if {@code true}, may be {@code null} + * @param falseString the String to return if {@code false}, may be {@code null} + * @return one of the two input Strings */ - public static String toStringYesNo(final Boolean bool) { - return toString(bool, "yes", "no", null); + public static String toString(final boolean bool, final String trueString, final String falseString) { + return bool ? trueString : falseString; } /** @@ -845,8 +939,39 @@ public class BooleanUtils { return bool.booleanValue() ? trueString : falseString; } - // boolean to String methods - //----------------------------------------------------------------------- + /** + *

Converts a boolean to a String returning {@code 'on'} + * or {@code 'off'}.

+ * + *
+     *   BooleanUtils.toStringOnOff(true)   = "on"
+     *   BooleanUtils.toStringOnOff(false)  = "off"
+     * 
+ * + * @param bool the Boolean to check + * @return {@code 'on'}, {@code 'off'}, or {@code null} + */ + public static String toStringOnOff(final boolean bool) { + return toString(bool, "on", "off"); + } + + /** + *

Converts a Boolean to a String returning {@code 'on'}, + * {@code 'off'}, or {@code null}.

+ * + *
+     *   BooleanUtils.toStringOnOff(Boolean.TRUE)  = "on"
+     *   BooleanUtils.toStringOnOff(Boolean.FALSE) = "off"
+     *   BooleanUtils.toStringOnOff(null)          = null;
+     * 
+ * + * @param bool the Boolean to check + * @return {@code 'on'}, {@code 'off'}, or {@code null} + */ + public static String toStringOnOff(final Boolean bool) { + return toString(bool, "on", "off", null); + } + /** *

Converts a boolean to a String returning {@code 'true'} * or {@code 'false'}.

@@ -864,19 +989,20 @@ public class BooleanUtils { } /** - *

Converts a boolean to a String returning {@code 'on'} - * or {@code 'off'}.

+ *

Converts a Boolean to a String returning {@code 'true'}, + * {@code 'false'}, or {@code null}.

* *
-     *   BooleanUtils.toStringOnOff(true)   = "on"
-     *   BooleanUtils.toStringOnOff(false)  = "off"
+     *   BooleanUtils.toStringTrueFalse(Boolean.TRUE)  = "true"
+     *   BooleanUtils.toStringTrueFalse(Boolean.FALSE) = "false"
+     *   BooleanUtils.toStringTrueFalse(null)          = null;
      * 
* * @param bool the Boolean to check - * @return {@code 'on'}, {@code 'off'}, or {@code null} + * @return {@code 'true'}, {@code 'false'}, or {@code null} */ - public static String toStringOnOff(final boolean bool) { - return toString(bool, "on", "off"); + public static String toStringTrueFalse(final Boolean bool) { + return toString(bool, "true", "false", null); } /** @@ -896,159 +1022,20 @@ public class BooleanUtils { } /** - *

Converts a boolean to a String returning one of the input Strings.

+ *

Converts a Boolean to a String returning {@code 'yes'}, + * {@code 'no'}, or {@code null}.

* *
-     *   BooleanUtils.toString(true, "true", "false")   = "true"
-     *   BooleanUtils.toString(false, "true", "false")  = "false"
+     *   BooleanUtils.toStringYesNo(Boolean.TRUE)  = "yes"
+     *   BooleanUtils.toStringYesNo(Boolean.FALSE) = "no"
+     *   BooleanUtils.toStringYesNo(null)          = null;
      * 
* * @param bool the Boolean to check - * @param trueString the String to return if {@code true}, may be {@code null} - * @param falseString the String to return if {@code false}, may be {@code null} - * @return one of the two input Strings + * @return {@code 'yes'}, {@code 'no'}, or {@code null} */ - public static String toString(final boolean bool, final String trueString, final String falseString) { - return bool ? trueString : falseString; - } - - // logical operations - // ---------------------------------------------------------------------- - /** - *

Performs an 'and' operation on a set of booleans.

- * - *
-     *   BooleanUtils.and(true, true)         = true
-     *   BooleanUtils.and(false, false)       = false
-     *   BooleanUtils.and(true, false)        = false
-     *   BooleanUtils.and(true, true, false)  = false
-     *   BooleanUtils.and(true, true, true)   = true
-     * 
- * - * @param array an array of {@code boolean}s - * @return the result of the logical 'and' operation. That is {@code false} - * if any of the parameters is {@code false} and {@code true} otherwise. - * @throws IllegalArgumentException if {@code array} is {@code null} - * @throws IllegalArgumentException if {@code array} is empty. - * @since 3.0.1 - */ - public static boolean and(final boolean... array) { - // Validates input - if (array == null) { - throw new IllegalArgumentException("The Array must not be null"); - } - if (array.length == 0) { - throw new IllegalArgumentException("Array is empty"); - } - for (final boolean element : array) { - if (!element) { - return false; - } - } - return true; - } - - /** - *

Performs an 'and' operation on an array of Booleans.

- * - *
-     *   BooleanUtils.and(Boolean.TRUE, Boolean.TRUE)                 = Boolean.TRUE
-     *   BooleanUtils.and(Boolean.FALSE, Boolean.FALSE)               = Boolean.FALSE
-     *   BooleanUtils.and(Boolean.TRUE, Boolean.FALSE)                = Boolean.FALSE
-     *   BooleanUtils.and(Boolean.TRUE, Boolean.TRUE, Boolean.TRUE)   = Boolean.TRUE
-     *   BooleanUtils.and(Boolean.FALSE, Boolean.FALSE, Boolean.TRUE) = Boolean.FALSE
-     *   BooleanUtils.and(Boolean.TRUE, Boolean.FALSE, Boolean.TRUE)  = Boolean.FALSE
-     * 
- * - * @param array an array of {@code Boolean}s - * @return the result of the logical 'and' operation. That is {@code false} - * if any of the parameters is {@code false} and {@code true} otherwise. - * @throws IllegalArgumentException if {@code array} is {@code null} - * @throws IllegalArgumentException if {@code array} is empty. - * @throws IllegalArgumentException if {@code array} contains a {@code null} - * @since 3.0.1 - */ - public static Boolean and(final Boolean... array) { - if (array == null) { - throw new IllegalArgumentException("The Array must not be null"); - } - if (array.length == 0) { - throw new IllegalArgumentException("Array is empty"); - } - try { - final boolean[] primitive = ArrayUtils.toPrimitive(array); - return and(primitive) ? Boolean.TRUE : Boolean.FALSE; - } catch (final NullPointerException ex) { - throw new IllegalArgumentException("The array must not contain any null elements"); - } - } - - /** - *

Performs an 'or' operation on a set of booleans.

- * - *
-     *   BooleanUtils.or(true, true)          = true
-     *   BooleanUtils.or(false, false)        = false
-     *   BooleanUtils.or(true, false)         = true
-     *   BooleanUtils.or(true, true, false)   = true
-     *   BooleanUtils.or(true, true, true)    = true
-     *   BooleanUtils.or(false, false, false) = false
-     * 
- * - * @param array an array of {@code boolean}s - * @return {@code true} if any of the arguments is {@code true}, and it returns {@code false} otherwise. - * @throws IllegalArgumentException if {@code array} is {@code null} - * @throws IllegalArgumentException if {@code array} is empty. - * @since 3.0.1 - */ - public static boolean or(final boolean... array) { - if (array == null) { - throw new IllegalArgumentException("The Array must not be null"); - } - if (array.length == 0) { - throw new IllegalArgumentException("Array is empty"); - } - for (final boolean element : array) { - if (element) { - return true; - } - } - return false; - } - - /** - *

Performs an 'or' operation on an array of Booleans.

- * - *
-     *   BooleanUtils.or(Boolean.TRUE, Boolean.TRUE)                  = Boolean.TRUE
-     *   BooleanUtils.or(Boolean.FALSE, Boolean.FALSE)                = Boolean.FALSE
-     *   BooleanUtils.or(Boolean.TRUE, Boolean.FALSE)                 = Boolean.TRUE
-     *   BooleanUtils.or(Boolean.TRUE, Boolean.TRUE, Boolean.TRUE)    = Boolean.TRUE
-     *   BooleanUtils.or(Boolean.FALSE, Boolean.FALSE, Boolean.TRUE)  = Boolean.TRUE
-     *   BooleanUtils.or(Boolean.TRUE, Boolean.FALSE, Boolean.TRUE)   = Boolean.TRUE
-     *   BooleanUtils.or(Boolean.FALSE, Boolean.FALSE, Boolean.FALSE) = Boolean.FALSE
-     * 
- * - * @param array an array of {@code Boolean}s - * @return {@code true} if any of the arguments is {@code true}, and it returns {@code false} otherwise. - * @throws IllegalArgumentException if {@code array} is {@code null} - * @throws IllegalArgumentException if {@code array} is empty. - * @throws IllegalArgumentException if {@code array} contains a {@code null} - * @since 3.0.1 - */ - public static Boolean or(final Boolean... array) { - if (array == null) { - throw new IllegalArgumentException("The Array must not be null"); - } - if (array.length == 0) { - throw new IllegalArgumentException("Array is empty"); - } - try { - final boolean[] primitive = ArrayUtils.toPrimitive(array); - return or(primitive) ? Boolean.TRUE : Boolean.FALSE; - } catch (final NullPointerException ex) { - throw new IllegalArgumentException("The array must not contain any null elements"); - } + public static String toStringYesNo(final Boolean bool) { + return toString(bool, "yes", "no", null); } /** @@ -1114,20 +1101,14 @@ public class BooleanUtils { } /** - *

Compares two {@code boolean} values. This is the same functionality as provided in Java 7.

+ *

{@code BooleanUtils} instances should NOT be constructed in standard programming. + * Instead, the class should be used as {@code BooleanUtils.negate(true);}.

* - * @param x the first {@code boolean} to compare - * @param y the second {@code boolean} to compare - * @return the value {@code 0} if {@code x == y}; - * a value less than {@code 0} if {@code !x && y}; and - * a value greater than {@code 0} if {@code x && !y} - * @since 3.4 + *

This constructor is public to permit tools that require a JavaBean instance + * to operate.

*/ - public static int compare(final boolean x, final boolean y) { - if (x == y) { - return 0; - } - return x ? 1 : -1; + public BooleanUtils() { + super(); } }