labs/fgcp/src/main/java/org/jclouds/fujitsu/fgcp/compute/strategy/VServerMetadata.java

/**
 * 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.fujitsu.fgcp.compute.strategy;

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

import java.util.Set;

import org.jclouds.compute.domain.Template;
import org.jclouds.fujitsu.fgcp.domain.DiskImage;
import org.jclouds.fujitsu.fgcp.domain.PublicIP;
import org.jclouds.fujitsu.fgcp.domain.VServer;
import org.jclouds.fujitsu.fgcp.domain.VServerStatus;
import org.jclouds.fujitsu.fgcp.domain.VServerWithVNICs;

import com.google.common.collect.ImmutableSet;

/**
 * Holds metadata on a virtual server, both static (name, id, type, etc.) and
 * dynamic (status, mapped public IPs, etc.).
 * 
 * @author Dies Koper
 */
public class VServerMetadata {

    protected VServer server;
    protected String id;
    protected String name;
    protected Template template;
    protected String initialPassword;
    protected VServerStatus status = VServerStatus.UNRECOGNIZED;
    protected Set<PublicIP> ips;
    protected DiskImage image;

    public VServerMetadata(VServer server, String initialPassword,
            VServerStatus status, DiskImage image, Set<PublicIP> publicIps) {
        this.server = checkNotNull(server, "server");
        this.initialPassword = initialPassword;
        this.status = status;
        this.image = image;
        this.ips = publicIps;
        id = server.getId();
        name = server.getName();
    }

    public VServerMetadata(String id, String name, Template template,
            VServerStatus status) {
        this.id = checkNotNull(id, "id");
        this.name = checkNotNull(name, "name");
        this.template = checkNotNull(template, "template");
        this.status = checkNotNull(status, "status");
    }

    public VServer getServer() {
        return server;
    }

    public String getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public Template getTemplate() {
        return template;
    }

    public void setTemplate(Template template) {
        this.template = template;
    }

    public String getInitialPassword() {
        return initialPassword;
    }

    public VServerStatus getStatus() {
        return status;
    }

    public Set<PublicIP> getIps() {
        return ips;
    }

    public static Builder builder() {
        return new Builder();
    }

    public static class Builder {
        private VServer server;
        private VServerWithVNICs serverWithDetails;
        private String id;
        private String name;
        private Template template;
        private String initialPassword;
        private VServerStatus status = VServerStatus.UNRECOGNIZED;
        private Set<PublicIP> publicIps = ImmutableSet.of();
        private DiskImage image;

        public Builder id(String id) {
            this.id = id;
            return this;
        }

        public Builder name(String name) {
            this.name = name;
            return this;
        }

        public Builder template(Template template) {
            this.template = template;
            return this;
        }

//        public Builder server(VServer server) {
//            this.server = server;
//            return this;
//        }

        public Builder serverWithDetails(VServerWithVNICs serverWithDetails) {
            this.serverWithDetails = serverWithDetails;
            return this;
        }

        public Builder initialPassword(String password) {
            this.initialPassword = password;
            return this;
        }

        public Builder status(VServerStatus status) {
            this.status = status;
            return this;
        }

        public Builder image(DiskImage image) {
            this.image = image;
            return this;
        }

        public Builder publicIps(Set<PublicIP> publicIps) {
            this.publicIps = publicIps;
            return this;
        }

        public VServerMetadata build() {
            if (initialPassword == null) initialPassword = "";
            if (server != null) {
                return new VServerMetadata(server, initialPassword, status,
                        image, publicIps);
            } else if (serverWithDetails != null) {
                return new VServerMetadata(serverWithDetails, initialPassword,
                        status, image, publicIps);
            } else {
                // sometimes these fields are null because the server is returning a verify error
                if (id == null) id = "dummy-id";
                if (name == null) name = "dummy-name";
                return new VServerMetadata(id, name, template, status);
            }
        }
    }
}