Raible's Wiki: StrutsMenu

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[{Java2HtmlPlugin

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* I don't know if its Velocity or the tag library, but someone is caching the templates and the only way to get them to refresh is to restart Tomcat. I'd like to be messing with the JSP and it's template on Tomcat and just refresh them in the browser (after saving). It'd sure cut down on development time.

* There seems to be an issue when you have two menus (menu:useMenuDisplayer tag) on one page. The second menu seems to try and use parts of the first table's config. Wierd.

* I don't know if its Velocity or the tag library, but someone is caching the templates and the only way to get them to refresh is to restart Tomcat. I'd like to be messing with the JSP and it's template on Tomcat and just refresh them in the browser (after saving). It'd sure cut down on development time. ''Lance: This probably is Velocity, have you checked your velocity properties to make sure cache=false? And try adding this: velocimacro.library.autoreload=true''. ''Ivan: I recently found out that Tomcat 4.1.29 (and probably others) caches the content of resources loaded through getResourceAsStream() (very confusing), this may be causing your problems. As a work around my reloadable configuration class was changed to simply getResource() and then opening the stream on the URL.''

* There seems to be an issue when you have two menus (menu:useMenuDisplayer tag) on one page. The second menu seems to try and use parts of the first table's config. Wierd. ''Lance: I've seen some scope issues like this on Roller. There are some optional flags documented in the Users Guide that may help with this - though it isn't altogether clear which does what.''

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__UPDATE:__ I solved all of these issues by implementing Velocity's WebappLoader rather than the one from Roller. Here's the code I used to initialize it:

[{Java2HtmlPlugin

/**

* Key used to access the ServletContext in the Velocity application attributes.

*/

public static final String SERVLET_CONTEXT_KEY = ServletContext.class.getName();

//~ Methods ================================================================

public void init(PageContext pageContext, MenuDisplayerMapping mapping) {

super.init(pageContext, mapping);

this.pageContext = pageContext;

// MR: Copied from VelocityViewServlet to initialize WebappLoader

Velocity.setApplicationAttribute(SERVLET_CONTEXT_KEY,

pageContext.getServletContext());

// default to servletlogger, which logs to the servlet engines log

Velocity.setProperty(RuntimeConstants.RUNTIME_LOG_LOGSYSTEM_CLASS,

ServletLogger.class.getName());

// by default, load resources with webapp resource loader

Velocity.setProperty(RuntimeConstants.RESOURCE_LOADER, "webapp");

Velocity.setProperty("webapp.resource.loader.class",

WebappLoader.class.getName());

// now all is ready - init Velocity

try {

ResourceBundle rb = ResourceBundle.getBundle("velocity");

Properties props = new Properties();

for (Enumeration keys = rb.getKeys();keys.hasMoreElements();) {

String key = (String) keys.nextElement();

props.put(key, rb.getString(key));

}

// only initialized the first time it's called, from:

// http://jakarta.apache.org/velocity/developer-guide.html

// it's ignored for subsequent calls

Velocity.init(props);

} catch (Exception e) {

log.error("Error initializing Velocity: " + e.getMessage());

e.printStackTrace();

}

}]

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* Currently, to do recursion in Velocity templates, I had to use a #local declaration which is in the "whiteboard" directory of Velocities CVS. See velocity's mailing list for [more information|http://www.mail-archive.com/[email protected]/msg09091.html].

* Improve documentation and examples in Maven docs.

* Edit Maven files to generate distribution files.

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