/*
* Copyright 2013 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 ratpack.form.internal;
import com.google.common.reflect.TypeToken;
import ratpack.form.Form;
import ratpack.form.FormParseOpts;
import ratpack.handling.Context;
import ratpack.http.TypedData;
import ratpack.parse.Parse;
import ratpack.parse.Parser;
import ratpack.parse.ParserSupport;
import ratpack.util.MultiValueMap;
import ratpack.util.Types;
import static ratpack.util.MultiValueMap.empty;
public class FormParser extends ParserSupport<FormParseOpts> {
private static final TypeToken<Form> FORM_TYPE = Types.token(Form.class);
public static final TypeToken<Parser<FormParseOpts>> TYPE = Types.intern(new TypeToken<Parser<FormParseOpts>>() {});
public static final Parser<FormParseOpts> INSTANCE = new FormParser();
private FormParser() {
}
@SuppressWarnings("unchecked")
@Override
public <T> T parse(Context context, TypedData requestBody, Parse<T, FormParseOpts> parse) throws Exception {
if (parse.getType().equals(FORM_TYPE)) {
MultiValueMap<String, String> base = parse.getOpts().map(FormParseOpts::isIncludeQueryParams).orElse(false)
? context.getRequest().getQueryParams()
: empty();
return Types.cast(FormDecoder.parseForm(context, requestBody, base));
} else {
return null;
}
}
}