public void doTag()

in core/src/main/java/org/apache/commons/jelly/tags/core/SetTag.java [64:102]

• 36 lines of code
• 11 McCabe index (conditional complexity)

    public void doTag(XMLOutput output) throws JellyTagException {
        // perform validation up front to fail fast
        if ( var != null ) {
            if ( target != null || property != null ) {
                throw new JellyTagException( "The 'target' and 'property' attributes cannot be used in combination with the 'var' attribute" );
            }
        }
        else {
            if ( target == null ) {
                throw new JellyTagException( "Either a 'var' or a 'target' attribute must be defined for this tag" );
            }
            if ( property == null ) {
                throw new JellyTagException( "The 'target' attribute requires the 'property' attribute" );
            }
        }

        Object answer = null;
        if ( value != null ) {
            answer = value.evaluate(context);
            if (defaultValue != null && isEmpty(answer)) {
                answer = defaultValue.evaluate(context);
            }
        }
        else {
            answer = getBodyText(isEncode());
        }

        if ( var != null ) {
            if ( scope != null ) {
                context.setVariable(var, scope, answer);
            }
            else {
                context.setVariable(var, answer);
            }
        }
        else {
            setPropertyValue( target, property, answer );
        }
    }