/*
* 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 ReplaceFunction
extends BaseFEELFunction {
public ReplaceFunction() {
super( "replace" );
}
public FEELFnResult<Object> invoke(@ParameterName("input") String input, @ParameterName("pattern") String pattern,
@ParameterName( "replacement" ) String replacement ) {
if ( input == null ) {
return FEELFnResult.ofError( new InvalidParametersEvent( Severity.ERROR, "input", "cannot be null" ) );
}
if ( pattern == null ) {
return FEELFnResult.ofError( new InvalidParametersEvent( Severity.ERROR, "pattern", "cannot be null" ) );
}
// for now, using standard java matches function
return FEELFnResult.ofResult( input.replaceAll( pattern, replacement ) );
}
public FEELFnResult<Object> invoke(@ParameterName("input") String input, @ParameterName("pattern") String pattern,
@ParameterName( "replacement" ) String replacement, @ParameterName("flags") String flags) {
if ( input == null ) {
return FEELFnResult.ofError( new InvalidParametersEvent( Severity.ERROR, "input", "cannot be null" ) );
}
if ( pattern == null ) {
return FEELFnResult.ofError( new InvalidParametersEvent( Severity.ERROR, "pattern", "cannot be null" ) );
}
// for now, using standard java replaceAll function... needs fixing to support flags
return FEELFnResult.ofResult( input.replaceAll( pattern, replacement ) );
}
}