org.glowroot.config.Versions Maven / Gradle / Ivy
/*
* Copyright 2015 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.glowroot.config;
import org.glowroot.shaded.fasterxml.jackson.core.JsonProcessingException;
import org.glowroot.shaded.fasterxml.jackson.databind.ObjectMapper;
import org.glowroot.shaded.google.common.base.Charsets;
import org.glowroot.shaded.google.common.hash.Hashing;
import org.glowroot.shaded.slf4j.Logger;
import org.glowroot.shaded.slf4j.LoggerFactory;
import org.glowroot.common.ObjectMappers;
public class Versions {
private static final Logger logger = LoggerFactory.getLogger(Versions.class);
private static final ObjectMapper mapper = ObjectMappers.create();
private Versions() {}
public static String getVersion(Object obj) {
try {
return Hashing.sha1().hashString(mapper.writeValueAsString(obj), Charsets.UTF_8)
.toString();
} catch (JsonProcessingException e) {
logger.error(e.getMessage(), e);
return "0000000000000000000000000000000000000000";
}
}
}