Helma 1.6.0 Changelog

• Update to Rhino 1.6 (patched CVS snapshot) implementing JavaScript 1.6, including:
  • E4X support, both without and with Apache XML-Beans.
  • New Array methods indexOf(), lastIndexOf(), filter(), map(), every(), forEach(), some().
  • for each loop.
  • Support for __defineGetter__ and __defineSetter__ for getter/setter support.
  • Support for __noSuchMethod__
  • Support for const keyword
  • JavaImporter constructor for clean access to Java libraries.
  • Many bug fixes.
• New Skin features:
  • Subskins: <% #subskin %> and renderSkin("skin#subskin"), respectively
  • Macro pipes/filters: <% text | truncate max="300" | uppercase %>. Filter functions must have a _filter suffix and get two arguments: the return value of the previous macro/filter in the chain, and a parameter object with the attributs in the filter tag. They are expected to return the filtered macro output.
  • Deep macro invocation: <% page.author.name %>
  • Nested Macros: <% page.link content=<% messages.storylink %> %>
  • new onUnhandledMacro() callback that allows to catch or handle unhandled macros.
  • New standard attribute: failmode=silent|verbose.
  • Better handling for malformed macro tags.
• New HTTP-related features:
  • Specialized and aggregated parameter collections req.postParams, req.queryParams, req.params, req.cookies in addition to req.data
  • Improved handling of multi-value parameters, allowing access to parameter values as arrays, even if they only have one value.
  • HTTP parameter grouping, mapping parameters with names like "foo[bar]" to req.data.foo.bar
  • Additional HTTP header methods req.getHeader(), req.getHeaders(), req.getIntHeader(), req.getDateHeader(), res.setHeader(), res.setDateHeader(), res.addHeader() and res.addDateHeader()
  • Any bytes remaining after GET/POST parameter parsing are made accessible as req.data.http_get_remainder, req.data.http_post_remainder.
  • Improved file upload memory handling, new MimePart.getInputStream() method
  • Support for monitoring file upload progress
  • Additional apps.properties totalUploadLimit setting to limit combined file upload size (as opposed to individual upload size)
• New Image constructor that takes a java.io.InputStream as argument
• Support for sourceCharset in app.properties to specify the encoding of source files
• New HopObject.indexOf() and path.indexOf methods, deprecating the existing HopObject.contains() and path.contains
• Implement app.getAppsProperties() to allow access to the app's apps.properties entries.
• Add res.rollback(): Just abort transaction and do not stop request execution like res.abort() or res.stop().
• New HopObject.onPersist() callback that is called each time a HopObject is stored to embedded or relational database.
• Rhino fix to make protected Java methods accessible and overridable to subclassing JavaAdapters.
• Pimped up documentation, including JSDoc JavaScript API docs for Helma core and modules libraries.
• Implement JS stack traces.
• New rhino.strictvars property to throw errors on undeclared vars.
• Implement onResponse() callback which, if defined, is called after the request has been processed.
• Implement res.buffer to access current page output
• Implement res.stop() to stop request execution
• Implement res.pushBuffer(StringBuffer) and res.popBuffer() to get StringBuffers in and out of the response buffer stack.
• Implement app.charset and app.getCharset() to get the app's default charset.
• Do not reuse per thread scope, create a new one for each request
• Increase default maxThreads value to 50 (evauators aren't that expensive anymore)
• Upgrade to Jetty 4.2.27.
• Removed old and obsolete ant infrastructure. Developers are now required to have their own ant installed.
• Support binary database column mapping
• Fully implement prototype compilation on access of static constructor properties. Previously access of prototype members didn't trigger compilation.
• Adding tagsoup.jar version 1.0.4 for use with getHtmlDocument(), throw away subclass of Swing HTML parser.
• Remove lib/apache-dom.jar, from now on Xerces jars are required in order to use getHtmlDocument().
• Remove crimson.jar at last, it isn't needed for JDK 1.4 and later.
• Update to jakarta commons-logging 1.1, commons-fileupload 1.2 and commons-io 1.3.1

Links to this page: Announcing Helma 1.6.0 Release Candidate 1, Helma Roadmap, Release Candidate 3 of Helma 1.6.0, Announcing Helma 1.6.0