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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.jclouds.digitalocean2.domain;
import static com.google.common.base.Strings.nullToEmpty;
import static java.util.regex.Pattern.compile;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.google.auto.value.AutoValue;
/**
* The operating system of an image.
*
* This class parses the name string (e.g. "Ubuntu 12.10 x64") of the images and properly sets each field
* to the right value.
*/
@AutoValue
public abstract class OperatingSystem {
// Parse something like "12.10 x64" or "Ubuntu 12.10.1 x64" and matches the version and architecture
private static final Pattern VERSION_PATTERN = compile("(?:[a-zA-Z\\s]*\\s+)?(\\d+(?:\\.?\\d+)*)?(?:\\s*(x\\d{2}))?.*");
private static final String IS_64_BIT = "x64";
public abstract Distribution distribution();
public abstract String version();
public abstract String arch();
public static OperatingSystem create(String name, String distribution) {
return new AutoValue_OperatingSystem(Distribution.fromValue(distribution), match(VERSION_PATTERN, name, 1),
match(VERSION_PATTERN, name, 2));
}
public boolean is64bit() {
return IS_64_BIT.equals(arch());
}
OperatingSystem() {}
private static String match(final Pattern pattern, final String input, int group) {
Matcher m = pattern.matcher(input);
return m.find() ? nullToEmpty(m.group(group)) : "";
}
}