Re: [FreeMarker-user] Could get to work BEANWRAPPER

[Jonathan R. <re...@gm...>]

Tom Schindl wrote:
> There must be something really obvious wrong in my code but I can't
> grasp what it is. Anybody out-there to help out?

I think the problem is that the User class is private and the 
introspection machinery is not finding the getName() method. I know that 
getName() is public, but probably both the class and the method need to 
be public.

JR

> 
> ------------------------8<------------------------
>> import java.io.FileOutputStream;
>> import java.io.IOException;
>> import java.io.InputStream;
>> import java.io.InputStreamReader;
>> import java.io.OutputStreamWriter;
>> import java.io.Reader;
>> import java.io.StringReader;
>> import java.io.StringWriter;
>> import java.util.ArrayList;
>> import java.util.HashMap;
>>
>> import freemarker.ext.beans.BeansWrapper;
>> import freemarker.template.Configuration;
>> import freemarker.template.ObjectWrapper;
>> import freemarker.template.Template;
>> import freemarker.template.TemplateException;
>>
>>
>> public class TestIt {
>> 	public static void main(String[] args) {
>> 		HashMap<String, Object> model = new HashMap<String, Object>();
>> 		ArrayList<User> l = new ArrayList<User>();
>> 		l.add(new User("Tom"));
>> 		l.add(new User("Sepp"));
>> 		
>> 		model.put("users", l);
>> 		model.put("myUser", new User("SAU"));
>> 		
>> 		Template template;
>> 		try {
>> 			Configuration cfg = new Configuration();
>> 			cfg.setObjectWrapper(ObjectWrapper.BEANS_WRAPPER);
>> 			template = new Template("test.txml", new StringReader(readTemplateSource(TestIt.class.getResourceAsStream("test.txml"))), cfg);
>> 			template.process(model, new OutputStreamWriter(new FileOutputStream("/tmp/test.xml"), "UTF-8"));
>> 		} catch (IOException e) {
>> 			// TODO Auto-generated catch block
>> 			e.printStackTrace();
>> 		} catch (TemplateException e) {
>> 			// TODO Auto-generated catch block
>> 			e.printStackTrace();
>> 		}
>> 		
>> 	}
>> 	
>> 	private static String readTemplateSource(InputStream input) throws IOException {
>>         Reader reader = new InputStreamReader(input, "UTF-8");
>>         StringWriter writer = new StringWriter();
>>         char[] buffer = new char[1024];
>>         while (true) {
>>             int length = reader.read(buffer, 0, 1024);
>>             if (length == -1) break;
>>             writer.write(buffer, 0, length);
>>         }
>>         return writer.toString();
>>     }
>> 	
>> 	private static class User {
>> 		private String name = "Hans";
>>
>> 		public User(String n) {
>> 			this.name = n;
>> 		}
>> 		
>> 		public String getName() {
>> 			return name;
>> 		}
>>
>> 		public void setName(String name) {
>> 			this.name = name;
>> 		}
>> 		
>> 	}
>> }
> ------------------------8<------------------------
> 
> test.txml:
> ------------------------8<------------------------
> ${myUser.name}
> ------------------------8<------------------------
> 
> Error-Message:
> ------------------------8<------------------------
>> Expression myUser.name is undefined on line 1, column 3 in test.txml.
>> The problematic instruction:
>> ----------
>> ==> ${myUser.name} [on line 1, column 1 in test.txml]
>> ----------
>>
>> Java backtrace for programmers:
>> ----------
>> freemarker.core.InvalidReferenceException: Expression myUser.name is undefined on line 1, column 3 in test.txml.
>> 	at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
>> 	at freemarker.core.Expression.getStringValue(Expression.java:118)
>> 	at freemarker.core.Expression.getStringValue(Expression.java:93)
>> 	at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
>> 	at freemarker.core.Environment.visit(Environment.java:196)
>> 	at freemarker.core.Environment.process(Environment.java:176)
>> 	at freemarker.template.Template.process(Template.java:232)
>> 	at TestIt.main(TestIt.java:34)
> ------------------------8<------------------------
> 
> Tom
> 
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
> FreeMarker-user mailing list
> Fre...@li...
> https://lists.sourceforge.net/lists/listinfo/freemarker-user
>