/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kie.dmn.feel.runtime.functions;
import org.kie.dmn.api.feel.runtime.events.FEELEvent.Severity;
import org.kie.dmn.feel.runtime.events.InvalidParametersEvent;
public class StringFunction
extends BaseFEELFunction {
public StringFunction() {
super( "string" );
}
public FEELFnResult<String> invoke(@ParameterName("from") Object val) {
if ( val == null ) {
return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "val", "cannot be null"));
} else {
return FEELFnResult.ofResult( val.toString() );
}
}
public FEELFnResult<String> invoke(@ParameterName( "mask" ) String mask, @ParameterName("p") Object[] params) {
if ( mask == null ) {
return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "mask", "cannot be null"));
} else {
return FEELFnResult.ofResult( String.format( mask, params ) );
}
}
}