com.spotify.helios.common.descriptors.ServiceEndpoint.java Source code

Introduction

Here is the source code for com.spotify.helios.common.descriptors.ServiceEndpoint.java

Source

/*
 * Copyright (c) 2014 Spotify AB.
 *
 * Licensed 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 com.spotify.helios.common.descriptors;

import com.google.common.base.Splitter;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.List;

/**
 * Note: When this is used as a map key, it shows up as <pre>name/protocol</pre> instead.
 *
 * Otherwise, a typical JSON representation might be:
 * <pre>
 * {
 *   "name" : "admin",
 *   "protocol" : "http"
 * }
 * </pre>
 */
@JsonIgnoreProperties(ignoreUnknown = true)
public class ServiceEndpoint extends Descriptor implements Comparable<ServiceEndpoint> {

    public static final String UDP = "udp";
    public static final String TCP = "tcp";
    public static final String HTTP = "http";

    private final String name;
    private final String protocol;

    public ServiceEndpoint(final String s) {
        final List<String> parts = Splitter.on('/').splitToList(s);
        if (parts.size() < 1 || parts.size() > 2) {
            throw new IllegalArgumentException();
        }
        name = parts.get(0);
        protocol = parts.size() > 1 ? parts.get(1) : HTTP;
    }

    public ServiceEndpoint(@JsonProperty("name") final String name,
            @JsonProperty("protocol") final String protocol) {
        this.name = name;
        this.protocol = protocol;
    }

    public String getName() {
        return name;
    }

    public String getProtocol() {
        return protocol;
    }

    @Override
    public int compareTo(final ServiceEndpoint o) {
        return toString().compareTo(o.toString());
    }

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

        final ServiceEndpoint that = (ServiceEndpoint) o;

        if (name != null ? !name.equals(that.name) : that.name != null) {
            return false;
        }
        if (protocol != null ? !protocol.equals(that.protocol) : that.protocol != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + (protocol != null ? protocol.hashCode() : 0);
        return result;
    }

    @Override
    public String toString() {
        return name + "/" + protocol;
    }

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

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

    public static ServiceEndpoint of(final String service, final String proto) {
        return new ServiceEndpoint(service, proto);
    }

    public static class Builder {

        private String name;
        private String protocol;

        public Builder() {
        }

        private Builder(final ServiceEndpoint serviceEndpoint) {
            this.name = serviceEndpoint.name;
            this.protocol = serviceEndpoint.protocol;
        }

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

        public Builder setProtocol(final String protocol) {
            this.protocol = protocol;
            return this;
        }

        public ServiceEndpoint build() {
            return new ServiceEndpoint(name, protocol);
        }
    }
}