org.jcf.graphicMessage.GraphicMessageImpl.java Source code

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Here is the source code for org.jcf.graphicMessage.GraphicMessageImpl.java

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/*
 * Copyright 2002-2005 the original author or authors.
 * 
 * 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.jcf.graphicMessage;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.springframework.util.Assert;

/**
 * representation of a Message containing graphic objects
 * @author FaKod
 *
 */
class GraphicMessageImpl implements GraphicMessage, Serializable {

    /**
     * Version ID
     */
    private static final long serialVersionUID = 1L;

    /**
     * use factory to create
     */
    GraphicMessageImpl() {
    }

    /*
     * list of containing events
     */
    private List<Event> events;

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#getEvents()
     */
    public List<Event> getEvents() {
        return events;
    }

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#setEvents(java.util.List)
     */
    public void setEvents(List<Event> events) {
        Assert.notNull(events);
        this.events = events;
    }

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#addEvent(org.jcf.graphicMessage.Event)
     */
    public void addEvent(Event evt) {
        Assert.notNull(evt);
        if (events == null)
            setEvents(Collections.synchronizedList(new ArrayList<Event>()));
        events.add(evt);

    }

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#addAllEvents(java.util.List)
     */
    public void addAllEvents(List<Event> evts) {
        Assert.notNull(evts);
        if (events == null)
            setEvents(Collections.synchronizedList(new ArrayList<Event>()));
        events.addAll(evts);
    }

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#addCreateEvent(org.jcf.graphicMessage.GraphicObjectImpl)
     */
    public GraphicMessage addCreateEvent(GraphicObject go) {
        Assert.notNull(go);
        Event e = new Create(go);
        addEvent(e);
        return this;
    }

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#addDeleteEvent(org.jcf.graphicMessage.GraphicObjectImpl)
     */
    public GraphicMessage addDeleteEvent(GraphicObject graphicObject) {
        Assert.notNull(graphicObject);
        Event e = new Delete(graphicObject.getId());
        addEvent(e);
        return this;
    }

    /* (non-Javadoc)
     * @see org.jcf.graphicMessage.IGraphicMessage#addDeleteEvent(org.jcf.graphicMessage.Id)
     */
    public GraphicMessage addDeleteEvent(Id id) {
        Assert.notNull(id);
        Event e = new Delete(id);
        addEvent(e);
        return this;
    }
}