/*
* Copyright 2014 the original author or authors.
*
* 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.gradle.internal.typeconversion;
import org.gradle.internal.exceptions.DiagnosticsVisitor;
public class NotationConverterToNotationParserAdapter<N, T> implements NotationParser<N, T> {
private final NotationConverter<N, ? extends T> converter;
public NotationConverterToNotationParserAdapter(NotationConverter<N, ? extends T> converter) {
this.converter = converter;
}
public T parseNotation(N notation) throws TypeConversionException {
ResultImpl<T> result = new ResultImpl<T>();
converter.convert(notation, result);
if (!result.hasResult) {
throw new UnsupportedNotationException(notation);
}
return result.result;
}
@Override
public void describe(DiagnosticsVisitor visitor) {
converter.describe(visitor);
}
private static class ResultImpl<T> implements NotationConvertResult<T> {
private boolean hasResult;
private T result;
public boolean hasResult() {
return hasResult;
}
public void converted(T result) {
hasResult = true;
this.result = result;
}
}
}