/*
* Copyright 2011 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 abstract class TypedNotationConverter<N, T> implements NotationConverter<Object, T> {
private final Class<N> typeToken;
public TypedNotationConverter(Class<N> typeToken) {
assert typeToken != null : "typeToken cannot be null";
this.typeToken = typeToken;
}
public TypedNotationConverter(TypeInfo<N> typeToken) {
assert typeToken != null : "typeToken cannot be null";
this.typeToken = typeToken.getTargetType();
}
@Override
public void describe(DiagnosticsVisitor visitor) {
visitor.candidate(String.format("Instances of %s.", typeToken.getSimpleName()));
}
@Override
public void convert(Object notation, NotationConvertResult<? super T> result) throws TypeConversionException {
if (typeToken.isInstance(notation)) {
result.converted(parseType(typeToken.cast(notation)));
}
}
abstract protected T parseType(N notation);
}