Package org.springframework.expression

Examples of org.springframework.expression.ExpressionParser.parseExpression()

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        Map<String, Object> modelEntry = (Map<String, Object>) entry.getValue();
        String name = entry.getKey();
        String expr = (String) (modelEntry.containsKey("jread") ? modelEntry.get("jread") : modelEntry
            .get("jbind"));
        if (expr != null) {
          Object value = parser.parseExpression(expr).getValue(val);
          m.put(name, value);
        }
      }
      d.add(m);
    }
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    for (Map.Entry<String, Object> entry : model.entrySet()) {
      Map<String, Object> modelEntry = (Map<String, Object>) entry.getValue();
      String name = entry.getKey();
      String expr = (String) (modelEntry.containsKey("jread") ? modelEntry.get("jread") : modelEntry.get("jbind"));
      if (expr != null) {
        Object value = parser.parseExpression(expr).getValue(data);
        Map<String, Object> m = new HashMap<String, Object>();
        m.put("id", name);
        m.put("value", value);
        d.add(m);
      }
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    StandardEvaluationContext context = new StandardEvaluationContext();
    context.setRootObject(new Object());
    context.addMethodResolver(new ConditionEvalMethodResolver());
    ExpressionParser parser = new SpelExpressionParser();

    Expression exp = parser.parseExpression("test('test') or paet(true)");
    System.out.println(exp.getValue(context));

  }

  @Test
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  @Test
  public void test1() {
    System.out.println(new Date().toString());
    ExpressionParser parser = new SpelExpressionParser();
   
    Expression exp = parser.parseExpression("date");
    TestBean b = new TestBean();
    exp.setValue(b, "Sat Nov 20 10:52:05 CET 2010");

    System.out.println(b.getInn().getVal());
  }
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    private final Expression expression;
    private final MessageExpressionMethods methods;

    public MessagePartitionResolver(String expression, EvaluationContext evaluationContext) {
      ExpressionParser parser = new SpelExpressionParser();
      this.expression = parser.parseExpression(expression);
      this.methods = new MessageExpressionMethods(evaluationContext);
      log.info("Using expression=[" + this.expression.getExpressionString() + "]");
    }

    public MessagePartitionResolver(Expression expression, EvaluationContext evaluationContext) {
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    MessagePartitionKeyMethodResolver resolver = new MessagePartitionKeyMethodResolver();
    MessagePartitionKeyPropertyAccessor accessor = new MessagePartitionKeyPropertyAccessor();
    context.addMethodResolver(resolver);
    context.addPropertyAccessor(accessor);

    assertThat(parser.parseExpression("dateFormat('yyyy/MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', headers[timestamp])").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', timestamp)").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', T(java.lang.System).currentTimeMillis())").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path(dateFormat('yyyy'),dateFormat('MM'))").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path('yyyy', 'MM')").getValue(context, message, String.class), is("yyyy/MM"));
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    MessagePartitionKeyPropertyAccessor accessor = new MessagePartitionKeyPropertyAccessor();
    context.addMethodResolver(resolver);
    context.addPropertyAccessor(accessor);

    assertThat(parser.parseExpression("dateFormat('yyyy/MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', headers[timestamp])").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', timestamp)").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', T(java.lang.System).currentTimeMillis())").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path(dateFormat('yyyy'),dateFormat('MM'))").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path('yyyy', 'MM')").getValue(context, message, String.class), is("yyyy/MM"));
    assertThat(parser.parseExpression("path('yyyy', 'MM', payload.substring(0,3))").getValue(context, message, String.class), is("yyyy/MM/jee"));
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    context.addMethodResolver(resolver);
    context.addPropertyAccessor(accessor);

    assertThat(parser.parseExpression("dateFormat('yyyy/MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', headers[timestamp])").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', timestamp)").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', T(java.lang.System).currentTimeMillis())").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path(dateFormat('yyyy'),dateFormat('MM'))").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path('yyyy', 'MM')").getValue(context, message, String.class), is("yyyy/MM"));
    assertThat(parser.parseExpression("path('yyyy', 'MM', payload.substring(0,3))").getValue(context, message, String.class), is("yyyy/MM/jee"));
    assertThat(parser.parseExpression("dateFormat('yyyy') + '/' + dateFormat('MM')").getValue(context, message, String.class), is(nowYYYYMM));
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    context.addPropertyAccessor(accessor);

    assertThat(parser.parseExpression("dateFormat('yyyy/MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', headers[timestamp])").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', timestamp)").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', T(java.lang.System).currentTimeMillis())").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path(dateFormat('yyyy'),dateFormat('MM'))").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path('yyyy', 'MM')").getValue(context, message, String.class), is("yyyy/MM"));
    assertThat(parser.parseExpression("path('yyyy', 'MM', payload.substring(0,3))").getValue(context, message, String.class), is("yyyy/MM/jee"));
    assertThat(parser.parseExpression("dateFormat('yyyy') + '/' + dateFormat('MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("headerkey").getValue(context, message, String.class), is("headervalue"));
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    assertThat(parser.parseExpression("dateFormat('yyyy/MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', headers[timestamp])").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', timestamp)").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("dateFormat('yyyy/MM', T(java.lang.System).currentTimeMillis())").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path(dateFormat('yyyy'),dateFormat('MM'))").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("path('yyyy', 'MM')").getValue(context, message, String.class), is("yyyy/MM"));
    assertThat(parser.parseExpression("path('yyyy', 'MM', payload.substring(0,3))").getValue(context, message, String.class), is("yyyy/MM/jee"));
    assertThat(parser.parseExpression("dateFormat('yyyy') + '/' + dateFormat('MM')").getValue(context, message, String.class), is(nowYYYYMM));
    assertThat(parser.parseExpression("headerkey").getValue(context, message, String.class), is("headervalue"));
    assertThat(parser.parseExpression("path(dateFormat('yyyy'), headerkey)").getValue(context, message, String.class), is(nowYYYY + "/headervalue"));
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