com.tkmtwo.sarapi.ArsContext.java Source code

Introduction

Here is the source code for com.tkmtwo.sarapi.ArsContext.java

Source

/*
 *
 * Copyright 2014 Tom Mahaffey
 *
 * 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.tkmtwo.sarapi;

import static com.google.common.base.Preconditions.checkState;
import static com.google.common.base.TkmTwoStrings.isBlank;

import com.google.common.base.Objects;
import com.google.common.base.Splitter;
import com.google.common.base.TkmTwoJointers;
import com.google.common.collect.ComparisonChain;
import com.google.common.collect.ImmutableList;
import java.io.Serializable;
import java.util.List;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;

/**
 * Bean-based implementation of an <code>ArsContext</code>.
 *
 * @author Tom Mahaffey
 * @version 1.0
 */
public final class ArsContext
        implements Comparable<ArsContext>, Serializable, FactoryBean, InitializingBean, DisposableBean {

    private static final long serialVersionUID = 1L;

    //private static final Splitter COLON_SPLITTER = Splitter.on(':').trimResults();

    private String hostName;
    private Integer hostPort;

    public ArsContext() {
    }

    public ArsContext(String s, Integer i) {
        setHostName(s);
        setHostPort(i);
    }

    public ArsContext(String s, String i) {
        setHostName(s);
        if (i != null) {
            setHostPort(Integer.valueOf(i));
        }
    }

    public ArsContext(String s) {
        setConnectionString(s);
    }

    public String getHostName() {
        return hostName;
    }

    public void setHostName(String s) {
        hostName = s;
    }

    public Integer getHostPort() {
        return hostPort;
    }

    public void setHostPort(Integer i) {
        hostPort = i;
    }

    public String getConnectionString() {
        //return String.format("%s:%s", getHostName(), String.valueOf(getHostPort()));
        StringBuffer sb = new StringBuffer();
        if (getHostName() != null) {
            sb.append(getHostName());
        }
        sb.append(":");
        if (getHostPort() != null) {
            sb.append(getHostPort().toString());
        }

        return sb.toString();
    }

    public void setConnectionString(String s) {
        List<String> ss = TkmTwoJointers.COLON_SPLITTER.splitToList(s);
        if (ss.size() >= 1) {
            setHostName(ss.get(0));
        }
        if (ss.size() >= 2 && !isBlank(ss.get(1))) {
            setHostPort(Integer.valueOf(ss.get(1)));
        }

    }

    public static ArsContext valueOf(String s) {
        ArsContext ac = new ArsContext(s);
        return ac;
    }

    public static List<ArsContext> valuesOf(String s) {
        ImmutableList.Builder<ArsContext> ilb = new ImmutableList.Builder<ArsContext>();
        for (String cs : TkmTwoJointers.COMMA_SPLITTER.split(s)) {
            ilb.add(valueOf(cs));
        }
        return ilb.build();
    }

    /**
     * @see InitializingBean#afterPropertiesSet()
     */
    @Override
    public void afterPropertiesSet() {
        checkState(getHostName() != null, "Need a host name.");
        checkState(getHostPort() != null, "Need a port.");
        checkState(getHostPort().intValue() > 0, "Need a non-negative port.");
    }

    /**
     * @see FactoryBean#getObject()
     */
    @Override
    public Object getObject() {
        return this;
    }

    /**
     * @see FactoryBean#getObjectType()
     */
    @Override
    public Class getObjectType() {
        return ArsContext.class;
    }

    /**
     * @see FactoryBean#isSingleton()
     */
    @Override
    public boolean isSingleton() {
        return true;
    }

    /**
     * @see DisposableBean#destroy()
     */
    @Override
    public void destroy() {
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof ArsContext)) {
            return false;
        }

        ArsContext impl = (ArsContext) o;

        return Objects.equal(getHostName(), impl.getHostName()) && Objects.equal(getHostPort(), impl.getHostPort());
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(getHostName(), getHostPort());
    }

    @Override
    public int compareTo(ArsContext impl) {
        return ComparisonChain.start().compare(getHostName(), impl.getHostName())
                .compare(getHostPort(), impl.getHostPort()).result();
    }

    @Override
    public String toString() {
        return Objects.toStringHelper(this).add("hostName", this.hostName).add("hostPort", this.hostPort)
                .toString();
    }
}