/*
* Copyright 2016 The Simple File Server 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.sfs.validate;
import io.vertx.core.MultiMap;
import io.vertx.core.json.JsonObject;
import org.sfs.SfsRequest;
import org.sfs.util.HttpRequestValidationException;
import rx.functions.Func1;
import static com.google.common.primitives.Longs.tryParse;
import static java.lang.String.format;
import static java.net.HttpURLConnection.HTTP_BAD_REQUEST;
public class ValidateParamBetweenLong implements Func1<SfsRequest, SfsRequest> {
private final String paramName;
private final long min;
private final long max;
public ValidateParamBetweenLong(String paramName, long min, long max) {
this.paramName = paramName;
this.min = min;
this.max = max;
}
@Override
public SfsRequest call(SfsRequest httpServerRequest) {
MultiMap param = httpServerRequest.params();
String value = param.get(paramName);
if (value != null) {
Long parsed = tryParse(value);
if (parsed == null || parsed < min || parsed > max) {
JsonObject jsonObject = new JsonObject()
.put("message", format("%s must be between %d and %d", paramName, min, max));
throw new HttpRequestValidationException(HTTP_BAD_REQUEST, jsonObject);
}
}
return httpServerRequest;
}
}