Package org.springframework.expression.spel.standard

Examples of org.springframework.expression.spel.standard.SpelExpressionParser.parseExpression()

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public class SpElValueExpressionEvaluator implements ValueExpressionEvaluator {

    /** {@inheritDoc } */
    public Object evaluate(Object context, String expression) {
        final ExpressionParser parser = new SpelExpressionParser();
        return parser.parseExpression(expression).getValue(context);
    }
   
}
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    private final Expression expression;

    public ELRequestMatcher(String el) {
        SpelExpressionParser parser = new SpelExpressionParser();
        expression = parser.parseExpression(el);
    }

    public boolean matches(HttpServletRequest request) {
        EvaluationContext context = createELContext(request);
        return expression.getValue(context, Boolean.class).booleanValue();
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     * Parses the supplied expressions as Spring-EL.
     */
    AbstractExpressionBasedMethodConfigAttribute(String filterExpression, String authorizeExpression) throws ParseException {
        Assert.isTrue(filterExpression != null || authorizeExpression != null, "Filter and authorization Expressions cannot both be null");
        SpelExpressionParser parser = new SpelExpressionParser();
        this.filterExpression = filterExpression == null ? null : parser.parseExpression(filterExpression);
        this.authorizeExpression = authorizeExpression == null ? null : parser.parseExpression(authorizeExpression);
    }

    AbstractExpressionBasedMethodConfigAttribute(Expression filterExpression, Expression authorizeExpression) throws ParseException {
        Assert.isTrue(filterExpression != null || authorizeExpression != null, "Filter and authorization Expressions cannot both be null");
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     */
    AbstractExpressionBasedMethodConfigAttribute(String filterExpression, String authorizeExpression) throws ParseException {
        Assert.isTrue(filterExpression != null || authorizeExpression != null, "Filter and authorization Expressions cannot both be null");
        SpelExpressionParser parser = new SpelExpressionParser();
        this.filterExpression = filterExpression == null ? null : parser.parseExpression(filterExpression);
        this.authorizeExpression = authorizeExpression == null ? null : parser.parseExpression(authorizeExpression);
    }

    AbstractExpressionBasedMethodConfigAttribute(Expression filterExpression, Expression authorizeExpression) throws ParseException {
        Assert.isTrue(filterExpression != null || authorizeExpression != null, "Filter and authorization Expressions cannot both be null");
        this.filterExpression = filterExpression == null ? null : filterExpression;
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    private final Expression expression;

    public ELRequestMatcher(String el) {
        SpelExpressionParser parser = new SpelExpressionParser();
        expression = parser.parseExpression(el);
    }

    public boolean matches(HttpServletRequest request) {
        EvaluationContext context = createELContext(request);
        return expression.getValue(context, Boolean.class).booleanValue();
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    private final Expression expression;
    private final MapExpressionMethods methods;

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

    public MapPartitionResolver(Expression expression, EvaluationContext evaluationContext) {
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    }

    public int vote(Authentication authentication, State object, Collection<ConfigAttribute> attributes) {
        EvaluationContext ctx = expressionHandler.createEvaluationContext(authentication, object);
        ExpressionParser parser = new SpelExpressionParser();
        Expression exp = parser.parseExpression(attributes.iterator().next().getAttribute());
        return ExpressionUtils.evaluateAsBoolean(exp, ctx) ? ACCESS_GRANTED : ACCESS_DENIED;
    }

}
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  public static Boolean evaluateExpression(Object obj, String expression) {
    if (StringUtil.isEmpty(expression))
      return false;
    try {
      ExpressionParser parser = new SpelExpressionParser();
      Expression exp = parser.parseExpression(expression);
      return exp.getValue(obj, Boolean.class);    
    } catch (Exception e) {
      _log.debug("Failed to evaluate expression ["+expression+"] for object ["+obj.getClass()+"].");
      _log.debug(e.getMessage());
      return false;
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    private Expression expression;

    public ELRequestMatcher(String el) {
        SpelExpressionParser parser = new SpelExpressionParser();
        expression = parser.parseExpression(el);
    }

    public boolean matches(HttpServletRequest request) {
        EvaluationContext context = createELContext(request);
        return evaluateAsBoolean(expression, context);
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    StandardEvaluationContext evalContext = new StandardEvaluationContext();
    evalContext.setVariable(ENTITY_NAME, metadata.getEntityName());

    SpelExpressionParser parser = new SpelExpressionParser();
    Expression expr = parser.parseExpression(query, ParserContext.TEMPLATE_EXPRESSION);

    Object result = expr.getValue(evalContext, String.class);
    return result == null ? query : String.valueOf(result);
  }
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