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J2ME XForms Engine
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Note: This is a straight export from a local copy of the now offline Nokia SVN repo that housed the Xfolite project. Although J2ME Polish is still available, the project might not build with the latest version (2.4). You can find older versions from http://sourceforge.net/projects/polish.berlios/files/ ----------------- Xfolite is a light-weight XForms client for the J2ME platform. It includes a DOM and XPath 1.0 implementation as well as an XForms engine that implements the XForms 1.1 specification almost completely. XML Schemas are not supported. To compile the code, you need to install J2ME Polish (http://www.j2mepolish.org/, tested with version 2.1.4) and Apache Ant (http://ant.apache.org/, tested with version 1.8.0). The build command is "ant j2mepolish" to make a release build and "ant test j2mepolish" to make a debug build. "ant clean" will remove files created by the two previous commands. See J2ME Polish documentation for more information on the build process. This is a research prototype, and the code maturity level varies by component. The DOM and XPath 1.0 implementation and the XForms engine are fairly mature, whereas the user interface binding (com.nokia.xfolite.client, com.nokia.xfolite.client.ui) is beta level at best - suitable for research and limited user trials, but production use would require more work, both for adding missing features and for making existing features more robust. The package structure is as follows: com.nokia.xfolite.client Client midlet and UI factory and controller that bind the XForms engine to a J2ME Polish based UI. com.nokia.xfolite.client.ui UI widgets used by the client midlet. com.nokia.xfolite.client.util Helper classes com.nokia.xfolite.xforms.dom XForms specific DOM element classes com.nokia.xfolite.xforms.model XForms calculation engine com.nokia.xfolite.xforms.model.datasource Support for using sensors from XForms (not used at the moment) com.nokia.xfolite.xforms.model.datatypes Support for the most important XML Schema datatypes used by XForms com.nokia.xfolite.xforms.submission Submission formats and serialization com.nokia.xfolite.xforms.xpath XForms-specific XPath functions com.nokia.xfolite.xml.dom Basic DOM implementation com.nokia.xfolite.xml.dom.events DOM events com.nokia.xfolite.xml.xpath XPath 1.0 org.bouncycastle.crypto org.bouncycastle.crypto.digests org.bouncycastle.util.encoders Bouncy Castle cryptographic digests org.kxml2.io KXML2 XML parser org.xmlpull.v1 XmlPull interface The parts created by Nokia are licensed under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License (LICENSE-LGPL-2.1) for more details. The software uses the following third-party (non-Nokia) open-source components: XmlPull interface (http://www.xmlpull.org/). See LICENSE-XMLPULL. KXML2 XML parser (http://kxml.sourceforge.net/kxml2/). See LICENSE-KXML. Bouncy Castle cryptographic digests (http://www.bouncycastle.org/). See LICENSE-BOUNCYCASTLE. W3C DOMException and XPathException classes (http://www.w3.org/). See LICENSE-W3C. KXML2 uses BSD license according to its website. XmlPull is in public domain. Bouncy Castle license is an adaptation of the MIT/X11 license. According to http://www.gnu.org/licenses/license-list.html#GPLCompatibleLicenses, this means that all the licenses (including the W3C license and the LGPL license) should be GPL-compatible. Therefore, you should be able to use the (free) GPL-licensed version of J2ME Polish, as long as you publish your source code under GPL. Alternatively, if you do not wish to publish your source code, you should be able to use the commercial version of J2ME Polish and the original licenses. However, although Enough Software (developer of J2ME Polish) has confirmed that the above arrangement is acceptable to them, THE PREVIOUS PARAGRAPH IS SPECULATION. IT IS NEITHER LEGAL ADVICE NOR ANY KIND OF GUARANTEE OR COMMITMENT.