/**
* Copyright (C) 2012-2017 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 ninja.params;
import ninja.Context;
import ninja.params.ParamParsers.ArrayParamParser;
/**
* Argument extractor that parses the String[] argument into a X[]
*/
public class ParsingArrayExtractor<X> implements ArgumentExtractor<X> {
private final ArgumentExtractor<? extends String[]> wrapped;
private final ArrayParamParser<?> parser;
public ParsingArrayExtractor(ArgumentExtractor<? extends String[]> wrapped, ArrayParamParser<?> parser) {
this.wrapped = wrapped;
this.parser = parser;
}
@Override
public X extract(Context context) {
return (X) parser.parseParameter(wrapped.getFieldName(), wrapped.extract(context),
context.getValidation());
}
@Override
public Class<X> getExtractedType() {
return (Class<X>) parser.getArrayType();
}
@Override
public String getFieldName() {
return wrapped.getFieldName();
}
}