ScriptFunctions Extension birt. Category is Displayed but not the function

Veerendra

<p>Hi,</p>
<p> </p>
<p>I have created  Script Functions Extension in Birt. Category is shown in Expression Builder but the function is not displayed.</p>
<p> </p>
<p>I have created jar file using Plug-in Project and Export Wizard. All My Class files and Libraries are bundled. All My Class files are within Bin. I am getting class not found exception. </p>
<p> </p>
<p>I am using JRE 7. Please find the plugin.xml below.</p>
<p> </p>
<p> </p>
<div>
<div><?xml version="1.0" encoding="UTF-8"?></div>
<div><?eclipse version="3.2"?></div>
<div><plugin></div>
<div>   <extension</div>
<div>         id="DecryptorFunction"</div>
<div>         name="DecryptorFunction"</div>
<div>         point="org.eclipse.birt.core.ScriptFunctionService"></div>
<div>      <Category</div>
<div>            factoryclass="ubq.decryptor.DecryptorFactory"</div>
<div>            name="Decryptor"></div>
<div>         <Function</div>
<div>               name="DecryptString"</div>
<div>               isConstructor="false"</div>
<div>               isStatic="true"</div>
<div>               isVisible="true"</div>
<div>               variableArguments="false">           </div>
<div>            <Argument isOptional="false"</div>
<div>                  name="source"></div>
<div>               <DataType</div>
<div>                     value="String"></div>
<div>               </DataType></div>
<div>            </Argument></div>
<div>         </Function></div>
<div>      </Category></div>
<div>   </extension></div>
<div></plugin></div>
</div>
<div> </div>
<div> </div>
<div>Thanks in advance</div>

Veerendra

<div>I have missed to add the Jar file in the Runtime Classpath. After adding the same I am getting following error.</div>
<div> </div>
<div>ubq.decryptor.DecryptorFactory cannot be cast to org.eclipse.birt.core.script.functionservice.IScriptFunctionFactory.</div>
<div> </div>
<div>Please find my Factory Class</div>
<div> </div>
<div>
<div>package ubq.decryptor;</div>
<div> </div>
<div>import org.eclipse.birt.core.exception.BirtException;</div>
<div>import org.eclipse.birt.core.script.functionservice.IScriptFunctionExecutor;</div>
<div>import org.eclipse.birt.core.script.functionservice.IScriptFunctionFactory;</div>
<div> </div>
<div>public class DecryptorFactory implements IScriptFunctionFactory</div>
<div>{</div>
<div> </div>
<div>public IScriptFunctionExecutor getFunctionExecutor( String functionName ) throws BirtException</div>
<div>{</div>
<div>return new Decryptor( functionName );</div>
<div>}</div>
<div> </div>
<div>}</div>
<div> </div>
<div> </div>
<div>Class</div>
<div> </div>
<div>
<div>package ubq.decryptor;</div>
<div> </div>
<div>import org.eclipse.birt.core.exception.BirtException;</div>
<div> </div>
<div>import org.eclipse.birt.core.script.functionservice.IScriptFunctionContext;</div>
<div>import org.eclipse.birt.core.script.functionservice.IScriptFunctionExecutor;</div>
<div>import org.eclipse.birt.core.script.functionservice.IScriptFunctionFactory;</div>
<div> </div>
<div> </div>
<div>public class Decryptor implements IScriptFunctionExecutor</div>
<div>{</div>
<div> </div>
<div>/**</div>
<div>* </div>
<div>*/</div>
<div>private static final long serialVersionUID = 1L;</div>
<div> </div>
<div>private IScriptFunctionExecutor executor;</div>
<div> </div>
<div>Decryptor( String functionName ) throws BirtException</div>
<div>{</div>
<div>if ( "DecryptString".equals( functionName ) )</div>
<div>this.executor = new DecryptString( );</div>
<div>else</div>
<div>throw new BirtException( " Decryptor ",</div>
<div>null,</div>
<div>"invalid.function.name"<span> </span>+ "Decryptor." + functionName );</div>
<div>}</div>
<div> </div>
<div> </div>
<div>private static class DecryptString implements IScriptFunctionExecutor</div>
<div>{</div>
<div>public DecryptString()</div>
<div>     {</div>
<div>     }</div>
<div>/**</div>
<div>* </div>
<div>*/</div>
<div>private static final long serialVersionUID = 1L;</div>
<div> </div>
<div>public Object execute( Object[] args, IScriptFunctionContext arg1 ) throws BirtException</div>
<div>{</div>
<div> /* My Logic */</div>
<div>}catch(Exception e){</div>
<div>throw new BirtException(" Error while decrypting. " + e.getMessage());</div>
<div>}</div>
<div> </div>
<div>}</div>
<div>return data;</div>
<div>}</div>
<div>}</div>
<div> </div>
<div> </div>
<div>}</div>
<div>public Object execute( Object[] arguments, IScriptFunctionContext arg1 ) throws BirtException</div>
<div>{</div>
<div>return this.executor.execute( arguments, arg1 );</div>
<div>}</div>
<div> </div>
<div>}</div>
<div> </div>
</div>
</div>
<p> </p>
<div>Plugin.xml is same as above.<br>
 </div>
<div>Thank You,</div>