Java Utililty Methods Object to Boolean

List of utility methods to do Object to Boolean

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Description

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

Method

BooleanasBoolean(Object obj)
as Boolean 
return asBoolean(obj, false);
BooleanasBoolean(Object obj)
as Boolean 
Boolean result = Boolean.FALSE;
if (obj != null) {
    if (obj instanceof Boolean) {
        result = (Boolean) obj;
    } else if (obj instanceof String) {
        result = Boolean.valueOf("true".equalsIgnoreCase((String) obj) || 
                "1".equals((String) obj)); 
return result;
BooleanasBoolean(Object object)
return Object value as Boolean 
if (object == null) {
    return null;
} else if (object instanceof Boolean) {
    return (Boolean) object;
} else if (object instanceof String) {
    return Boolean.valueOf((String) object);
return null;
...
BooleanasBoolean(Object value)
as Boolean 
return Boolean.valueOf(asString(value));
booleanasBoolean(Object value)
convert a object value to boolean value. 
if (value instanceof Boolean)
    return ((Boolean) value).booleanValue();
if (value instanceof Number) {
    return ((Number) value).intValue() > 0;
} else {
    String boolString = (String) value;
    return boolString != null && !boolString.equals("") && !boolString.equalsIgnoreCase("false");
booleanasBoolean(Object value)
as Boolean 
if (value == null)
    throw new NullPointerException("value is null");
if (value instanceof Boolean) {
    return ((Boolean) value).booleanValue();
throw new IllegalArgumentException("not a boolean");
BooleancastBoolean(Object inObject)
cast Boolean 
return castBoolean(inObject, null);
BooleancastBoolean(Object o)
cast Boolean 
if (o instanceof Boolean) {
    return (Boolean) o;
} else if (o instanceof String) {
    try {
        return Boolean.parseBoolean((String) o);
    } catch (IllegalArgumentException e) {
        return null;
return null;
BooleancastBoolean(Object o)
cast Boolean 
if (o == null) {
    return false;
} else if (o instanceof Boolean) {
    return (Boolean) o;
} else if (o instanceof String) {
    return ((String) o).equalsIgnoreCase("true") ? true : false;
} else {
    return false;
...
booleancastBoolean(Object o, boolean defaultValue)
cast Boolean 
boolean booleanValue = defaultValue;
if (o != null) {
    booleanValue = Boolean.parseBoolean(castString(o));
return booleanValue;