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package org.openecomp.sdc.toscaparser.api.elements.constraints;
import org.openecomp.sdc.toscaparser.api.common.ExceptionCollector;
import org.openecomp.sdc.toscaparser.api.utils.ThreadLocalsHolder;
public class Length extends Constraint {
// Constraint class for "length"
// Constrains the property or parameter to a value of a given length.
@Override
protected void _setValues() {
constraintKey = LENGTH;
validTypes.add("Integer");
validPropTypes.add(Schema.STRING);
}
public Length(String name,String type,Object c) {
super(name,type,c);
if(!validTypes.contains(constraintValue.getClass().getSimpleName())) {
ThreadLocalsHolder.getCollector().appendException("InvalidSchemaError: The property \"length\" expects an integer");
}
}
@Override
protected boolean _isValid(Object value) {
if(value instanceof String && constraintValue instanceof Integer &&
((String)value).length() == (Integer)constraintValue) {
return true;
}
return false;
}
@Override
protected String _errMsg(Object value) {
return String.format("Length of value \"%s\" of property \"%s\" must be equal to \"%s\"",
value.toString(),propertyName,constraintValue.toString());
}
}
/*python
class Length(Constraint):
"""Constraint class for "length"
Constrains the property or parameter to a value of a given length.
"""
constraint_key = Constraint.LENGTH
valid_types = (int, )
valid_prop_types = (Schema.STRING, )
def __init__(self, property_name, property_type, constraint):
super(Length, self).__init__(property_name, property_type, constraint)
if not isinstance(self.constraint_value, self.valid_types):
ExceptionCollector.appendException(
InvalidSchemaError(message=_('The property "length" expects '
'an integer.')))
def _is_valid(self, value):
if isinstance(value, str) and len(value) == self.constraint_value:
return True
return False
def _err_msg(self, value):
return (_('Length of value "%(pvalue)s" of property "%(pname)s" '
'must be equal to "%(cvalue)s".') %
dict(pname=self.property_name,
pvalue=value,
cvalue=self.constraint_value))
*/
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