Java Utililty Methods Boolean From

List of utility methods to do Boolean From

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Description

The list of methods to do Boolean From are organized into topic(s).

Method

booleantoBoolean(Object value)
to Boolean 
if ((value == null || value instanceof Number && (((Number) value).longValue()) == 0L
        || value instanceof String && (value.equals("") || ((String) value).equalsIgnoreCase("false")
                || ((String) value).equalsIgnoreCase("no") || ((String) value).equalsIgnoreCase("0"))
        || value instanceof Boolean && value.equals(false))) {
    return false;
return true;
BooleantoBoolean(Object value, Boolean defaultValue)
to Boolean 
return toBoolean(value, null, null, defaultValue);
booleantoBoolean(Object value, boolean defaultValue)
to Boolean 
if (value == null) {
    return defaultValue;
} else {
    return toBoolean(value);
booleantoBoolean(String baseString)
to Boolean 
return toBoolean(baseString, true);
booleantoBoolean(String content)
to Boolean 
switch (content.toLowerCase().trim()) {
case "on":
case "true":
case "yes":
    return true;
case "off":
case "false":
case "no":
...
BooleantoBoolean(String flag)
Converts a one-char Y/N String to Boolean. 
if ("Y".equals(flag)) {
    return true;
if ("N".equals(flag)) {
    return false;
throw new IllegalArgumentException("Flag should be Y/N");
booleantoBoolean(String input, boolean defaultValue)
to Boolean 
if (input == null) {
    return defaultValue;
try {
    return Boolean.valueOf(input).booleanValue();
} catch (Exception e) {
    return defaultValue;
booleantoBoolean(String inString)
to Boolean 
boolean retVal = false;
if (inString.toUpperCase().equals("Y") || inString.toUpperCase().equals("TRUE")
        || inString.equalsIgnoreCase("Yes")) {
    retVal = true;
} else if (inString.toUpperCase().equals("N") || inString.toUpperCase().equals("FALSE")
        || inString.equalsIgnoreCase("No")) {
    retVal = false;
return retVal;
booleantoBoolean(String propertyValue)
Converts the specified property value to a boolean. 
return (propertyValue == null) ? false : Boolean.valueOf(propertyValue).booleanValue();
booleantoBoolean(String s)
returns the boolean equivalent of a string, which is considered true if either "on", "true", or "yes" is found, ignoring case. 
return (s.equalsIgnoreCase("yes") || s.equalsIgnoreCase("true") || s.equalsIgnoreCase("on")
        || s.equalsIgnoreCase("1"));