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PrintVersion.java
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44 lines (39 loc) · 1.64 KB
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/*
* 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.orc.tools;
import org.apache.hadoop.conf.Configuration;
import java.io.IOException;
import java.util.Properties;
/**
* Print the version of this ORC tool.
*/
public class PrintVersion {
public static final String UNKNOWN = "UNKNOWN";
public static final String FILE_NAME = "META-INF/maven/org.apache.orc/orc-tools/pom.properties";
static void main(Configuration conf, String[] args) throws IOException {
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
try (java.io.InputStream resourceStream = classLoader.getResourceAsStream(FILE_NAME)) {
if (resourceStream == null) {
throw new IOException("Could not find " + FILE_NAME);
}
Properties props = new Properties();
props.load(resourceStream);
System.out.println("ORC " + props.getProperty("version", UNKNOWN));
}
}
}