org.jclouds.joyent.cloudapi.v6_5.domain.datacenterscoped.DatacenterAndName.java Source code

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Here is the source code for org.jclouds.joyent.cloudapi.v6_5.domain.datacenterscoped.DatacenterAndName.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.joyent.cloudapi.v6_5.domain.datacenterscoped;

import static com.google.common.base.Objects.equal;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.Function;
import com.google.common.base.Objects;
import com.google.common.base.Splitter;
import com.google.common.base.Objects.ToStringHelper;
import com.google.common.collect.Iterables;

/**
 * Helpful when looking for resources by datacenter and name
 * 
 * @author Adrian Cole
 */
public class DatacenterAndName {

    public static final Function<DatacenterAndName, String> NAME_FUNCTION = new Function<DatacenterAndName, String>() {

        @Override
        public String apply(DatacenterAndName input) {
            return input.getName();
        }

    };

    public static final Function<DatacenterAndName, String> DATACENTER_FUNCTION = new Function<DatacenterAndName, String>() {

        @Override
        public String apply(DatacenterAndName input) {
            return input.getDatacenter();
        }

    };

    public static DatacenterAndName fromSlashEncoded(String name) {
        Iterable<String> parts = Splitter.on('/').split(checkNotNull(name, "name"));
        checkArgument(Iterables.size(parts) == 2, "name must be in format datacenterId/name");
        return new DatacenterAndName(Iterables.get(parts, 0), Iterables.get(parts, 1));
    }

    public static DatacenterAndName fromDatacenterAndName(String datacenterId, String name) {
        return new DatacenterAndName(datacenterId, name);
    }

    private static String slashEncodeDatacenterAndName(String datacenterId, String name) {
        return checkNotNull(datacenterId, "datacenterId") + "/" + checkNotNull(name, "name");
    }

    public String slashEncode() {
        return slashEncodeDatacenterAndName(datacenterId, name);
    }

    protected final String datacenterId;
    protected final String name;

    protected DatacenterAndName(String datacenterId, String name) {
        this.datacenterId = checkNotNull(datacenterId, "datacenterId");
        this.name = checkNotNull(name, "name");
    }

    public String getDatacenter() {
        return datacenterId;
    }

    public String getName() {
        return name;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        DatacenterAndName that = DatacenterAndName.class.cast(o);
        return equal(this.datacenterId, that.datacenterId) && equal(this.name, that.name);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(datacenterId, name);
    }

    @Override
    public String toString() {
        return string().toString();
    }

    protected ToStringHelper string() {
        return Objects.toStringHelper("").add("datacenterId", datacenterId).add("name", name);
    }
}