Examples of org.apache.jetspeed.portal.PortletInstance

org.apache.jetspeed.portal.PortletInstance
This interface provides an easy, object-oriented approach to modifing a portlet instance's persistent attributes. It provides methods for getting, setting and removing attributes from portlet instance persistence storage. In a Jetspeed 1.4x PSML profile, the default XML format for an instance and attribute is: @author Scott Weaver @author David Sean Taylor @version $Id: PortletInstance.java,v 1.3 2004/02/23 04:05:35 jford Exp $

    {
       String attrKey = "portlet_instance:"+portlet.getID();
      // optimize portlet instance retreival by saving it to the request
      // this also guarantees the PortletInstance object is the same
      // object for the entire life of the request
      PortletInstance instance = (PortletInstance) data.getRequest().getAttribute(attrKey);
      if(instance != null)
      {
        return instance;
      }
      else

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     */
    public String getAttribute( String attrName, String attrDefValue, RunData rundata )
    {
        String attrValue = null ;


        PortletInstance instance = PersistenceManager.getInstance(this, rundata);
        attrValue = instance.getAttribute(attrName, attrDefValue);


        return attrValue;
    }

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     */
    public void setAttribute( String attrName, String attrValue, RunData rundata )
    {
        try
        {
            PortletInstance instance = PersistenceManager.getInstance(this, rundata);
            instance.setAttribute(attrName, attrValue);
            PersistenceManager.store(instance);
        }
        catch (PortalPersistenceException e)
        {
            logger.error("Exception while setting attribute "+attrName+" for portlet "+getName(),e);

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            PortletTab tab = new PortletTab();
            
            // Handle the portlet title
            String title = null;            
            PortletInstance pi = PersistenceManager.getInstance(p, rundata);
            if (pi != null)
            {
                title = pi.getTitle();
                if (title == null)
                {
                    title = (p.getTitle() != null) ? p.getTitle() : p.getName();
                }
            }

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     */
    public String getAttribute( String attrName, String attrDefValue, RunData rundata )
    {
        String attrValue = null ;


        PortletInstance instance = PersistenceManager.getInstance(this, rundata);
        attrValue = instance.getAttribute(attrName, attrDefValue);


        return attrValue;
    }

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     */
    public void setAttribute( String attrName, String attrValue, RunData rundata )
    {
        try
        {
            PortletInstance instance = PersistenceManager.getInstance(this, rundata);
            instance.setAttribute(attrName, attrValue);
            PersistenceManager.store(instance);
        }
        catch (PortalPersistenceException e)
        {
            logger.error("Exception while setting attribute "+attrName+" for portlet "+getName(), e);

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