Examples of org.apache.flex.forks.velocity.app.VelocityEngine.evaluate()

Package org.apache.flex.forks.velocity.app

Class org.apache.flex.forks.velocity.app.VelocityEngine

Examples of org.apache.flex.forks.velocity.app.VelocityEngine.evaluate()

org.apache.flex.forks.velocity.app.VelocityEngine.evaluate()
renders the input string using the context into the output writer. To be used when a template is dynamically constructed, or want to use Velocity as a token replacer. @param context context to use in rendering input string @param out Writer in which to render the output @param logTag string to be used as the template name for log messages in case of error @param instring input string containing the VTL to be rendered @return true if successful, false otherwise. If false, seeVelocity runtime log

         *  this should parse fine -> uses ==
         */


        String template = "#if($a == $b) foo #end";


        ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);


        /*
         *  this should throw an exception
         */

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        template = "#if($a = $b) foo #end";


        try
        {
            ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);
            assertTrue(false);
        }
        catch(ParseErrorException pe)
        {
        }

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         * this should work
         */


        String template = "#macro(foo) foo #end";


        ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);


         /*
         *  this should throw an exception
         */

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        template = "#macro($x) foo #end";


        try
        {
            ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);
            assertTrue(false);
        }
        catch(ParseErrorException pe)
        {
        }

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         * this should work
         */


        String template = "#macro(foo) foo #end";


        ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);


         /*
         *  this should work - spaces intentional
         */

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         *  this should work - spaces intentional
         */


        template = "#foreach(  $i     in  $woogie   ) end #end";


        ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);


        /*
        *  this should bomb
        */

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       template = "#macro(   foo $a) $a #end #foo(woogie)";


        try
        {
            ve.evaluate(new VelocityContext(), new StringWriter(), "foo", template);
            assertTrue(false);
        }
        catch(ParseErrorException pe)
        {
            System.out.println("Caught pee!");

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