> I just notice that the deprecated folder from cvs > contains XMLDBGenerator and XMLDBCollectionGenerator. > But I never tried out. Anyway, would you suggest how I > could fix my generator to non-cached?
Are you sure your generator is cached?? I think extending AbstractGenerator is noncacheable by default. To be sure you can change your pipeline to noncaching <map:pipes default="noncaching"> This is 2.1 only, for 2.0 edit cocoon.xconf (just search for "caching"). BTW, you should have a look at: http://wiki.cocoondev.org/Wiki.jsp?page=EXistInCocoon HTH Guido > > Thanks. > > > --- Ken C <[EMAIL PROTECTED]> wrote: > > Hi, > > Having read the "write a custom generator" > > tutorial, I am trying to write one that hooks up a > > connection to an xmldb -- eXist; and then get an xml > > back based on a request parameter. Everything seems > > to > > work fine for the first time the request is made. > > Different request parameters on subsequent request > > won't result a correct xml. I suspect that this > > generator may have been cached, which is not what I > > want. Following is the code, it's ugly but just a > > first try... > > > > ========================================== > > > > import > > org.apache.cocoon.generation.AbstractGenerator; > > import org.xml.sax.helpers.AttributesImpl; > > import org.xml.sax.SAXException; > > // for the setup() method > > import org.apache.cocoon.environment.SourceResolver; > > import java.util.Map; > > import > > org.apache.avalon.framework.parameters.Parameters; > > import org.apache.cocoon.ProcessingException; > > import java.io.IOException; > > // used to deal with the request parameters. > > import > > org.apache.cocoon.environment.ObjectModelHelper; > > import org.apache.cocoon.environment.Request; > > import java.util.Enumeration; > > import java.util.Date; > > > > //xmldb > > import org.xmldb.api.base.*; > > import org.xmldb.api.modules.*; > > import org.xmldb.api.*; > > > > public class ThreadGenerator extends > > AbstractGenerator > > > > { > > // Will be initialized in the setup() method and > > used in generate() > > Request request = null; > > String threadID = null; //the thread we are > > looking for > > //todo: set threadID as > > a > > static final variable > > > > //xmldb > > String driver = null; > > Database database = null; > > Collection col = null; > > String[] resources = null; > > XMLResource xmlres = null; > > String forumURI = > > "xmldb:exist:///db/cocoon/forum"; //db root > > > > > > public void setup(SourceResolver resolver, Map > > objectModel, > > String src, Parameters parameters) > > throws ProcessingException, SAXException, > > IOException > > { > > super.setup(resolver, objectModel, src, > > parameters); > > request = > > ObjectModelHelper.getRequest(objectModel); > > forumURI = forumURI + "/" + > > request.getParameter("groupID"); > > forumURI = forumURI + "/" + > > request.getParameter("forumID"); > > > > //xmldb > > try { > > driver = "org.exist.xmldb.DatabaseImpl"; > > //todo: parameters.getParameter("driver"); > > Class cl = Class.forName(driver); > > database = (Database)cl.newInstance(); > > DatabaseManager.registerDatabase(database); > > database.setProperty("create-database", > > "true"); > > > > > > col = > > DatabaseManager.getCollection(forumURI); > > > > col.setProperty("pretty", "true"); > > col.setProperty("encoding", "UTF-8"); > > > > this.getLogger().debug("getting threadID"); > > threadID = request.getParameter("threadID") > > + > > ".xml"; //todo: set threadID as a static final > > variable > > resources = col.listResources(); > > this.getLogger().debug("getting threadID > > done..."); > > > > } > > catch(Exception e){} > > } > > /** > > * Implement the generate() method from > > AbstractGenerator. > > */ > > public void generate() throws SAXException > > { > > > > if (threadID!=null) > > { > > try { > > > > xmlres = > > (XMLResource)col.getResource(threadID); > > if (xmlres==null) > > throw new SAXException("Resource not > > found:" + threadID + "doesn't not exist"); > > > > > > xmlres.getContentAsSAX(this.contentHandler); > > > > contentHandler.startDocument(); > > contentHandler.endDocument(); > > > > } > > > > catch (Exception e){} > > } > > } > > public void recycle() { > > super.recycle(); > > this.request = null; > > driver = null; > > > > try { > > col.close(); > > DatabaseManager.deregisterDatabase(database); > > } > > catch (Exception e){} > > database = null; > > resources = null; > > xmlres = null; > > forumURI = null; > > } > > } > > //end class > > > > __________________________________________________ > > Do you Yahoo!? > > Yahoo! Shopping - Send Flowers for Valentine's Day > > http://shopping.yahoo.com > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: > > [EMAIL PROTECTED] > > For additional commands, email: > > [EMAIL PROTECTED] > > > > > __________________________________________________ > Do you Yahoo!? > Yahoo! Tax Center - forms, calculators, tips, more > http://taxes.yahoo.com/ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, email: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
