org.jclouds.elb.domain.regionscoped.RegionAndName.java Source code

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Here is the source code for org.jclouds.elb.domain.regionscoped.RegionAndName.java

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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.elb.domain.regionscoped;

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

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

/**
 * @author Adrian Cole
 */
public class RegionAndName {
    public static RegionAndName fromSlashEncoded(String name) {
        Iterable<String> parts = Splitter.on('/').split(checkNotNull(name, "name"));
        checkArgument(Iterables.size(parts) == 2, "name must be in format regionId/name");
        return new RegionAndName(Iterables.get(parts, 0), Iterables.get(parts, 1));
    }

    public static RegionAndName fromRegionAndName(String regionId, String name) {
        return new RegionAndName(regionId, name);
    }

    private static String slashEncodeRegionAndName(String regionId, String name) {
        return checkNotNull(regionId, "regionId") + "/" + checkNotNull(name, "name");
    }

    public String slashEncode() {
        return slashEncodeRegionAndName(regionId, name);
    }

    protected final String regionId;
    protected final String name;

    protected RegionAndName(String regionId, String name) {
        this.regionId = checkNotNull(regionId, "regionId");
        this.name = checkNotNull(name, "name");
    }

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

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        RegionAndName other = (RegionAndName) obj;
        return Objects.equal(regionId, other.regionId) && Objects.equal(name, other.name);
    }

    public String getRegion() {
        return regionId;
    }

    public String getName() {
        return name;
    }

    @Override
    public String toString() {
        return "[regionId=" + regionId + ", name=" + name + "]";
    }

}