org.jclouds.softlayer.compute.functions.internal.OperatingSystems.java Source code

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Here is the source code for org.jclouds.softlayer.compute.functions.internal.OperatingSystems.java

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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.softlayer.compute.functions.internal;

import static com.google.common.collect.Iterables.getLast;

import org.jclouds.compute.domain.OsFamily;

import com.google.common.base.Function;
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.primitives.Ints;

public class OperatingSystems {

    protected static final String CENTOS = "CENTOS";
    protected static final String DEBIAN = "DEBIAN";
    protected static final String RHEL = "REDHAT";
    protected static final String UBUNTU = "UBUNTU";
    protected static final String WINDOWS = "WIN_";
    protected static final String CLOUD_LINUX = "CLOUDLINUX";
    protected static final String VYATTACE = "VYATTACE";

    public static Function<String, OsFamily> osFamily() {
        return new Function<String, OsFamily>() {
            @Override
            public OsFamily apply(final String description) {
                if (description != null) {
                    if (description.startsWith(CENTOS))
                        return OsFamily.CENTOS;
                    else if (description.startsWith(DEBIAN))
                        return OsFamily.DEBIAN;
                    else if (description.startsWith(RHEL))
                        return OsFamily.RHEL;
                    else if (description.startsWith(UBUNTU))
                        return OsFamily.UBUNTU;
                    else if (description.startsWith(WINDOWS))
                        return OsFamily.WINDOWS;
                    else if (description.startsWith(CLOUD_LINUX))
                        return OsFamily.CLOUD_LINUX;
                    else if (description.startsWith(VYATTACE))
                        return OsFamily.LINUX;
                }
                return OsFamily.UNRECOGNIZED;
            }
        };
    }

    public static Function<String, Integer> bits() {
        return new Function<String, Integer>() {
            @Override
            public Integer apply(String operatingSystemReferenceCode) {
                if (operatingSystemReferenceCode != null) {
                    return Ints.tryParse(getLast(Splitter.on("_").split(operatingSystemReferenceCode)));
                }
                return null;
            }
        };
    }

    public static Function<String, String> version() {
        return new Function<String, String>() {
            @Override
            public String apply(final String version) {
                return parseVersion(version);
            }
        };
    }

    private static String parseVersion(String version) {
        if (version.contains("-")) {
            String rawVersion = version.substring(0, version.lastIndexOf("-"));
            if (Iterables.size(Splitter.on(".").split(rawVersion)) == 3) {
                return rawVersion.substring(0, rawVersion.lastIndexOf("."));
            } else {
                return rawVersion;
            }
        } else if (version.contains(" ")) {
            return version.substring(0, version.indexOf(" "));
        } else if (version.matches("^(\\d+\\.)?(\\d+\\.)?(\\*|\\d+)$")) {
            return version;
        }
        return null;
    }

}