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package org.openecomp.sdc.toscaparser.elements.constraints;
import java.util.LinkedHashMap;
import org.openecomp.sdc.toscaparser.common.ExceptionCollector;
public class MinLength extends Constraint {
// Constraint class for "min_length"
// Constrains the property or parameter to a value of a minimum length.
@Override
protected void _setValues() {
constraintKey = MIN_LENGTH;
validTypes.add("Integer");
validPropTypes.add(Schema.STRING);
validPropTypes.add(Schema.MAP);
}
public MinLength(String name,String type,Object c) {
super(name,type,c);
if(!validTypes.contains(constraintValue.getClass().getSimpleName())) {
ExceptionCollector.appendException("InvalidSchemaError: The property \"min_length\" expects an integer");
}
}
@SuppressWarnings("unchecked")
@Override
protected boolean _isValid(Object value) {
if(value instanceof String && constraintValue instanceof Integer &&
((String)value).length() >= (Integer)constraintValue) {
return true;
}
else if(value instanceof LinkedHashMap && constraintValue instanceof Integer &&
((LinkedHashMap<String,Object>)value).size() >= (Integer)constraintValue) {
return true;
}
return false;
}
@Override
protected String _errMsg(Object value) {
return String.format("Length of value \"%s\" of property \"%s\" must be at least \"%s\"",
value.toString(),propertyName,constraintValue.toString());
}
}
/*python
class MinLength(Constraint):
"""Constraint class for "min_length"
Constrains the property or parameter to a value to a minimum length.
"""
constraint_key = Constraint.MIN_LENGTH
valid_types = (int, )
valid_prop_types = (Schema.STRING, Schema.MAP)
def __init__(self, property_name, property_type, constraint):
super(MinLength, self).__init__(property_name, property_type,
constraint)
if not isinstance(self.constraint_value, self.valid_types):
ExceptionCollector.appendException(
InvalidSchemaError(message=_('The property "min_length" '
'expects an integer.')))
def _is_valid(self, value):
if ((isinstance(value, str) or isinstance(value, dict)) 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 at least "%(cvalue)s".') %
dict(pname=self.property_name,
pvalue=value,
cvalue=self.constraint_value))
*/
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