org.jclouds.elb.options.ListLoadBalancersOptions.java Source code

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Here is the source code for org.jclouds.elb.options.ListLoadBalancersOptions.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.options;

import java.util.Set;

import org.jclouds.http.options.BaseHttpRequestOptions;

import com.google.common.base.Objects;
import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;

/**
 * Options used to list available loadBalancers.
 * 
 * @see <a
 *      href="http://docs.amazonwebservices.com/ElasticLoadBalancing/latest/APIReference/API_DescribeLoadBalancers.html"
 *      >docs</a>
 * 
 * @author Adrian Cole
 */
public class ListLoadBalancersOptions extends BaseHttpRequestOptions implements Cloneable {

    private Object marker;
    private Set<String> names = Sets.newLinkedHashSet();

    /**
     * Use this parameter only when paginating results, and only in a subsequent request after you've
     * received a response where the results are truncated. Set it to the value of the Marker element
     * in the response you just received.
     */
    public ListLoadBalancersOptions afterMarker(Object marker) {
        this.marker = marker;
        return this;
    }

    /**
     * list of names associated with the LoadBalancers at creation time.
     */
    public ListLoadBalancersOptions names(Set<String> names) {
        this.names = names;
        return this;
    }

    /**
     * @see #names
     */
    public ListLoadBalancersOptions name(String name) {
        this.names.add(name);
        return this;
    }

    public static class Builder {

        /**
         * @see ListLoadBalancersOptions#getMarker()
         */
        public static ListLoadBalancersOptions afterMarker(Object marker) {
            return new ListLoadBalancersOptions().afterMarker(marker);
        }

        /**
         * @see ListLoadBalancersOptions#getNames()
         */
        public static ListLoadBalancersOptions name(String name) {
            return new ListLoadBalancersOptions().name(name);
        }

        /**
         * @see ListLoadBalancersOptions#getNames()
         */
        public static ListLoadBalancersOptions names(Set<String> names) {
            return new ListLoadBalancersOptions().names(names);
        }
    }

    @Override
    public Multimap<String, String> buildFormParameters() {
        Multimap<String, String> params = super.buildFormParameters();
        if (marker != null)
            params.put("Marker", marker.toString());
        if (names.size() > 0) {
            int nameIndex = 1;
            for (String name : names) {
                params.put("LoadBalancerNames.member." + nameIndex, name);
                nameIndex++;
            }
        }
        return params;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int hashCode() {
        return Objects.hashCode(marker, names);
    }

    @Override
    public ListLoadBalancersOptions clone() {
        return new ListLoadBalancersOptions().afterMarker(marker).names(names);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        ListLoadBalancersOptions other = ListLoadBalancersOptions.class.cast(obj);
        return Objects.equal(this.marker, other.marker) && Objects.equal(this.names, other.names);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String toString() {
        return Objects.toStringHelper(this).omitNullValues().add("marker", marker).add("names", names).toString();
    }
}