org.apache.pulsar.common.naming.Metadata Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.pulsar.common.naming;
import java.util.Map;
/**
* Validator for metadata configuration.
*/
public class Metadata {
private Metadata() {}
public static void validateMetadata(Map metadata,
int maxConsumerMetadataSize) throws IllegalArgumentException {
if (metadata == null) {
return;
}
int size = 0;
for (Map.Entry e : metadata.entrySet()) {
size += (e.getKey().length() + e.getValue().length());
if (size > maxConsumerMetadataSize) {
throw new IllegalArgumentException(getErrorMessage(maxConsumerMetadataSize));
}
}
}
private static String getErrorMessage(int maxConsumerMetadataSize) {
return "metadata has a max size of " + maxConsumerMetadataSize + " bytes";
}
}