public void doTag()

in core/src/main/java/org/apache/commons/jelly/tags/core/CatchTag.java [53:98]

32 lines of code
10 McCabe index (conditional complexity)


    public void doTag(XMLOutput output) throws JellyTagException {

        /**
         * Buid exception set
         */
		if ( exceptionArray == null ) {
			try {
			    buildExceptionArray();
			} catch (ClassNotFoundException e) {
				throw new JellyTagException(e);
			}
		}
		
        if (var != null) {
            context.removeVariable(var);
        }
        
	    if ( cause != null ) {
	        context.removeVariable(cause);
	    }
        try {
            invokeBody(output);
        }
        catch (Throwable t) {        	
            if (var != null) {
                context.setVariable(var, t);
            }
            
    		Throwable c = getRealException(t); 
    		
		    if ( cause != null ) {
		        context.setVariable( cause, c );
		    }
		    
            if ( exceptionArray != null ) {


        	    /**
        	     * if exception is not expected throw exception 
        	     */    		    
        		if ( ! isExpected(c)) {
        			throw new JellyTagException(t);
        		}        		
        	}            
        }
    }