lodsve.core.LodsveVersion Maven / Gradle / Ivy
/*
* Copyright (C) 2018 Sun.Hao
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package lodsve.core;
import lodsve.core.utils.StringUtils;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import java.util.jar.Manifest;
/**
* 获取框架版本号,即maven中的version.
*
* @author sunhao(sunhao.java @ gmail.com)
* @version 1.0 2018/1/11 下午11:07
*/
public final class LodsveVersion {
private LodsveVersion() {
}
public static String getVersion() {
return LodsveVersion.class.getPackage().getImplementationVersion();
}
public static String getBuilter() {
return getManifestAttr("Built-By");
}
private static String getManifestAttr(String name) {
InputStream inputStream = null;
try {
ClassLoader classLoader = LodsveVersion.class.getClassLoader();
Enumeration manifestResources = classLoader.getResources("META-INF/MANIFEST.MF");
while (manifestResources.hasMoreElements()) {
inputStream = manifestResources.nextElement().openStream();
Manifest manifest = new Manifest(inputStream);
String builter = manifest.getMainAttributes().getValue(name);
if (StringUtils.isNotBlank(builter)) {
return builter;
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return StringUtils.EMPTY;
}
}