org.jclouds.tmrk.enterprisecloud.domain.template.TemplateReferences.java Source code

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Here is the source code for org.jclouds.tmrk.enterprisecloud.domain.template.TemplateReferences.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.tmrk.enterprisecloud.domain.template;

import com.google.common.collect.Sets;
import org.jclouds.tmrk.enterprisecloud.domain.NamedResource;

import javax.xml.bind.annotation.XmlElement;
import java.util.Collections;
import java.util.Set;

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

/**
 * Wraps individual TemplateReference elements.
 * Needed because parsing is done with JAXB and it does not handle Generic collections
 * <xs:complexType name="TemplateReferences">
 * @author Jason King
 */
public class TemplateReferences {

    @SuppressWarnings("unchecked")
    public static Builder builder() {
        return new Builder();
    }

    public Builder toBuilder() {
        return new Builder().fromTemplateReferences(this);
    }

    public static class Builder {

        private Set<NamedResource> templateReferences = Sets.newLinkedHashSet();

        /**
         * @see org.jclouds.tmrk.enterprisecloud.domain.template.TemplateReferences#getTemplateReferences()
         */
        public Builder templateReferences(Set<NamedResource> templateReferences) {
            this.templateReferences = Sets.newLinkedHashSet(checkNotNull(templateReferences, "templateReferences"));
            return this;
        }

        public Builder addTemplateReference(NamedResource templateReference) {
            templateReferences.add(checkNotNull(templateReference, "templateReference"));
            return this;
        }

        public TemplateReferences build() {
            return new TemplateReferences(templateReferences);
        }

        public Builder fromTemplateReferences(TemplateReferences in) {
            return templateReferences(in.getTemplateReferences());
        }
    }

    private TemplateReferences() {
        //For JAXB and builder use
    }

    private TemplateReferences(Set<NamedResource> templateReferences) {
        this.templateReferences = Sets.newLinkedHashSet(templateReferences);
    }

    @XmlElement(name = "Template")
    private Set<NamedResource> templateReferences = Sets.newLinkedHashSet();

    public Set<NamedResource> getTemplateReferences() {
        return Collections.unmodifiableSet(templateReferences);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        TemplateReferences that = (TemplateReferences) o;

        if (templateReferences != null ? !templateReferences.equals(that.templateReferences)
                : that.templateReferences != null)
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        return templateReferences != null ? templateReferences.hashCode() : 0;
    }

    public String toString() {
        return "[" + templateReferences.toString() + "]";
    }
}