Package de.odysseus.el.util

Examples of de.odysseus.el.util.SimpleContext

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                add(new MapELResolver(false));
                add(new ResourceBundleELResolver());
                add(new BeanAndMethodELResolver());
            }
        };
        return new SimpleContext(resolver);
    }
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        return context;
    }

    protected void setVariable(ELContext context, String name, Object value, Class<?> type) {
        ValueExpression valueExpression = getExpressionFactory().createValueExpression(value, type);
        SimpleContext simpleContext = (SimpleContext) context;
        simpleContext.setVariable(name, valueExpression);
    }
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                add(new MapELResolver(false));
                add(new ResourceBundleELResolver());
                add(new BeanAndMethodELResolver());
            }
        };
        return new SimpleContext(resolver);
    }
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        properties.setProperty("javax.el.methodInvocations", "true");
    }

    protected void setVariable(ELContext context, String name, Object value, Class<?> type) {
        ValueExpression valueExpression = getExpressionFactory().createValueExpression(value, type);
        SimpleContext simpleContext = (SimpleContext) context;
        simpleContext.setVariable(name, valueExpression);
    }
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                add(new MapELResolver(false));
                add(new ResourceBundleELResolver());
                add(new BeanAndMethodELResolver());
            }
        };
        return new SimpleContext(resolver);
    }
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        return context;
    }

    protected void setVariable(ELContext context, String name, Object value, Class<?> type) {
        ValueExpression valueExpression = getExpressionFactory().createValueExpression(value, type);
        SimpleContext simpleContext = (SimpleContext) context;
        simpleContext.setVariable(name, valueExpression);
    }
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    /**
     * Factory method to create the EL context
     */
    protected ELContext createContext() {
        return new SimpleContext();
    }
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*/
public class Calculator {
  public static void main(String[] args) throws NoSuchMethodException, IOException {
    ExpressionFactory factory = new ExpressionFactoryImpl();

    SimpleContext context = new SimpleContext();

    // variables e, pi
    context.setVariable("e", factory.createValueExpression(Math.E, double.class));
    context.setVariable("pi", factory.createValueExpression(Math.PI, double.class));
   
    // functions sin, cos, tan, exp, log, abs, sqrt, min, max, pow
    context.setFunction("", "sin", Math.class.getMethod("sin", double.class));
    context.setFunction("", "cos", Math.class.getMethod("cos", double.class));
    context.setFunction("", "tan", Math.class.getMethod("tan", double.class));
    context.setFunction("", "exp", Math.class.getMethod("exp", double.class));
    context.setFunction("", "log", Math.class.getMethod("log", double.class));
    context.setFunction("", "abs", Math.class.getMethod("abs", double.class));
    context.setFunction("", "sqrt", Math.class.getMethod("sqrt", double.class));
    context.setFunction("", "min", Math.class.getMethod("min", double.class, double.class));
    context.setFunction("", "max", Math.class.getMethod("max", double.class, double.class));
    context.setFunction("", "pow", Math.class.getMethod("pow", double.class, double.class));

    // print out the rules of the game...
    System.out.println("> Enter one expression per line (without \"${\" and \"}\"). An expressions matching");
    System.out.println("> \"m[0-9]*\" saves the previous evaluation result to \"memory\". Other expressions");
    System.out.println("> are simply evaluated. Functions are sin, cos, tan, exp, log, abs, sqrt, min,");
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  public void testCoerceToType() {
    assertEquals("1", factory.coerceToType(1l, String.class));
  }

  public void testCreateTreeValueExpression() {
    SimpleContext context = new SimpleContext(new SimpleResolver());
    assertEquals(1l, factory.createValueExpression(context, "${1}", Object.class).getValue(context));
  }
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    SimpleContext context = new SimpleContext(new SimpleResolver());
    assertEquals(1l, factory.createValueExpression(context, "${1}", Object.class).getValue(context));
  }

  public void testCreateObjectValueExpression() {
    SimpleContext context = new SimpleContext(new SimpleResolver());
    assertEquals("1", factory.createValueExpression("1", Object.class).getValue(context));
  }
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Related Classes of de.odysseus.el.util.SimpleContext

  • com.opengamma.financial.expression.ELExpressionParser
  • de.odysseus.el.ExpressionFactoryImplTest
  • de.odysseus.el.samples.calculator.Calculator
  • de.odysseus.el.samples.experimental.SyntaxExtension
  • de.odysseus.el.samples.extensions.MethodInvocations
  • de.odysseus.el.samples.extensions.NullProperties
  • de.odysseus.el.samples.extensions.VarArgs
  • de.odysseus.el.samples.xml.sax.AttributesFilter
  • de.odysseus.el.samples.xml.sax.TextFilter
  • de.odysseus.el.samples.xml.sax.XMELFilter
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