com.jagornet.dhcp.server.request.binding.Binding.java Source code

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Here is the source code for com.jagornet.dhcp.server.request.binding.Binding.java

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/*
 * Copyright 2009-2014 Jagornet Technologies, LLC.  All Rights Reserved.
 *
 * This software is the proprietary information of Jagornet Technologies, LLC. 
 * Use is subject to license terms.
 *
 */

/*
 *   This file Binding.java is part of Jagornet DHCP.
 *
 *   Jagornet DHCP is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   Jagornet DHCP is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with Jagornet DHCP.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package com.jagornet.dhcp.server.request.binding;

import java.util.ArrayList;
import java.util.Collection;

import org.springframework.beans.BeanUtils;

import com.jagornet.dhcp.db.IaAddress;
import com.jagornet.dhcp.db.IdentityAssoc;
import com.jagornet.dhcp.server.config.DhcpLink;

/**
 * The Class Binding.  A wrapper class for a database IdentityAssoc object
 * with a reference to the associated configuration Link object.
 * 
 * @author A. Gregory Rabil
 */
public class Binding extends IdentityAssoc {
    private IdentityAssoc origIa;
    private DhcpLink dhcpLink;

    /**
     * Instantiates a new binding.
     * 
     * @param ia the ia
     * @param link the link
     */
    public Binding(IdentityAssoc ia, DhcpLink dhcpLink) {
        this.origIa = ia; // save a reference to the original IA
        BeanUtils.copyProperties(ia, this);
        this.dhcpLink = dhcpLink;
    }

    /**
     * Gets the link.
     * 
     * @return the link
     */
    public DhcpLink getDhcpLink() {
        return dhcpLink;
    }

    /**
     * Sets the link.
     * 
     * @param link the new link
     */
    public void setDhcpLink(DhcpLink dhcpLink) {
        this.dhcpLink = dhcpLink;
    }

    /**
     * Gets the binding objects.
     * 
     * @return the binding objects
     */
    //   @SuppressWarnings("unchecked")
    public Collection<BindingObject> getBindingObjects() {
        //      return (Collection<BindingObject>)iaAddresses;
        // Manually convert from IaAddresses to BindingObjects
        // which is safe because *this* Binding holds either
        // BindingAddresses or BindingPrefixes, both of which
        // extend from IaAddress and implement BindingObject
        if (iaAddresses != null) {
            Collection<BindingObject> bindingObjs = new ArrayList<BindingObject>();
            for (IaAddress iaAddr : iaAddresses) {
                if (iaAddr instanceof BindingObject) {
                    bindingObjs.add((BindingObject) iaAddr);
                }
            }
            return bindingObjs;
        }
        return null;
    }

    //   @SuppressWarnings("unchecked")
    public void setBindingObjects(Collection<BindingObject> bindingObjs) {
        //      this.setIaAddresses((Collection<? extends IaAddress>) bindingObjs);
        // Manually convert from BindingObjects to IaAddresses
        // which is safe because *this* Binding holds either
        // BindingAddresses or BindingPrefixes, both of which
        // extend from IaAddress and implement BindingObject
        if (bindingObjs != null) {
            Collection<IaAddress> iaAddrs = new ArrayList<IaAddress>();
            for (BindingObject bindingObj : bindingObjs) {
                if (bindingObj instanceof IaAddress) {
                    iaAddrs.add((IaAddress) bindingObj);
                }
            }
            this.setIaAddresses(iaAddrs);
        }
    }

    /**
     * Checks for changed.
     * 
     * @return true, if successful
     */
    public boolean hasChanged() {
        return !this.equals(origIa);
    }
}