com.google.gwt.gwtpages.client.PageRequestSession.java Source code

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Here is the source code for com.google.gwt.gwtpages.client.PageRequestSession.java

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package com.google.gwt.gwtpages.client;

import com.google.gwt.gwtpages.client.page.PageAttributes;

/**
 * The transient session data associate with a page request
 *  
 * @author Joe Hudson
 */
public class PageRequestSession extends PageAttributes {

    private PageAttributes pageAttributes;

    /**
     * If the session value exists, return that.  Otherwise if alsoCheckPageAttributes=true,
     *    return the page attributes value for that context if exists
     * @param <R> the object type
     * @param context the object class
     * @param alsoCheckPageAttributes true to check page attributes and false if not
     */
    public <R> R get(Class<R> context, boolean alsoCheckPageAttributes) {
        if (!alsoCheckPageAttributes)
            return super.get(context);
        else {
            R rtn = super.get(context);
            if (null != rtn || null == pageAttributes)
                return rtn;
            else
                return pageAttributes.get(context);
        }
    }

    /**
     * If the session value exists, return that.  Otherwise if alsoCheckPageAttributes=true,
     *    return the page attributes value for that context if exists
     * @param <R> the object type
     * @param key the data key
     * @param alsoCheckPageAttributes true to check page attributes and false if not
     */
    public Object get(Object key, boolean alsoCheckPageAttributes) {
        if (!alsoCheckPageAttributes)
            return super.get(key);
        else {
            Object rtn = super.get(key);
            if (null != rtn || null == pageAttributes)
                return rtn;
            else
                return pageAttributes.get(key);
        }
    }

    void setPageAttributes(PageAttributes pageAttributes) {
        this.pageAttributes = pageAttributes;
    }
}