org.maodian.flyingcat.xmpp.entity.JabberID.java Source code

Introduction

Here is the source code for org.maodian.flyingcat.xmpp.entity.JabberID.java

Source

/*
 * Copyright 2013 - 2013 Cole Wen
 *
 * 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 org.maodian.flyingcat.xmpp.entity;

import org.apache.commons.lang3.StringUtils;

/**
 * @author Cole Wen
 * 
 */
public class JabberID {
    private final String uid;
    private final String domain;
    private final String resource;

    /**
     * @param uid
     * @param domain
     */
    private JabberID(String uid, String domain) {
        this(uid, domain, null);
    }

    private JabberID(String uid, String domain, String resource) {
        this.uid = uid;
        this.domain = domain;
        this.resource = resource;
    }

    public String getUid() {
        return uid;
    }

    public String getDomain() {
        return domain;
    }

    public String getResource() {
        return resource;
    }

    public String toBareJID() {
        StringBuilder sb = new StringBuilder(uid).append("@").append(domain);
        return sb.toString();
    }

    public String toFullJID() {
        StringBuilder sb = new StringBuilder(toBareJID());
        if (StringUtils.isNotBlank(resource)) {
            sb.append("/").append(resource);
        }
        return sb.toString();
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((domain == null) ? 0 : domain.hashCode());
        result = prime * result + ((resource == null) ? 0 : resource.hashCode());
        result = prime * result + ((uid == null) ? 0 : uid.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        JabberID other = (JabberID) obj;
        if (domain == null) {
            if (other.domain != null)
                return false;
        } else if (!domain.equals(other.domain))
            return false;
        if (resource == null) {
            if (other.resource != null)
                return false;
        } else if (!resource.equals(other.resource))
            return false;
        if (uid == null) {
            if (other.uid != null)
                return false;
        } else if (!uid.equals(other.uid))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "JabberID [uid=" + uid + ", domain=" + domain + ", resource=" + resource + "]";
    }

    public static JabberID fromString(String str) {
        int atIndex = StringUtils.indexOf(str, "@");
        if (atIndex < 1) {
            // TODO: JID mailformed stanzs error
            throw new RuntimeException("JID not well formed");
        }
        String uid = StringUtils.substring(str, 0, atIndex);
        int slashIndex = StringUtils.indexOf(str, "/");
        if (slashIndex == str.length()) {
            // TODO: JID mailformed stanzs error
            throw new RuntimeException("JID not well formed");
        }
        if (slashIndex != -1) {
            String domain = StringUtils.substring(str, atIndex + 1, slashIndex);
            String resource = StringUtils.substring(str, slashIndex);
            return new JabberID(uid, domain, resource);
        } else {
            String domain = StringUtils.substring(str, atIndex + 1);
            return new JabberID(uid, domain);
        }
    }

    public static JabberID createInstance(String uid, String domain, String resource) {
        return new JabberID(uid, domain, resource);
    }
}