public void doTag()

in core/src/main/java/org/apache/commons/jelly/tags/core/NewTag.java [63:109]
46 lines of code
11 McCabe index (conditional complexity)

    public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
        ArgTag parentArg = null;
        if ( var == null ) {
            parentArg = (ArgTag)(findAncestorWithClass(ArgTag.class));
            if(null == parentArg) {
                throw new MissingAttributeException( "var" );
            }
        }
        if ( className == null ) {
            throw new MissingAttributeException( "className" );
        }
        invokeBody(output);

        try {
            Class theClass = getClassLoader().loadClass( className );
            Object object = null;
            if(paramTypes.size() == 0) {
                object = theClass.newInstance();
            } else {
                Object[] values = paramValues.toArray();
                Class[] types = (Class[]) (paramTypes.toArray(new Class[paramTypes.size()]));
                object = ConstructorUtils.invokeConstructor(theClass, values, types);
                paramTypes.clear();
                paramValues.clear();
            }
            if(null != var) {
                context.setVariable(var, object);
            } else {
                parentArg.setValue(object);
            }
        }
        catch (ClassNotFoundException e) {
            throw new JellyTagException(e);
        }
        catch (InstantiationException e) {
            throw new JellyTagException(e);
        }
        catch (NoSuchMethodException e) {
            throw new JellyTagException(e);
        }
        catch (IllegalAccessException e) {
            throw new JellyTagException(e);
        }
        catch (InvocationTargetException e) {
            throw new JellyTagException(e);
        }
    }