Examples of javax.servlet.jsp.el.VariableResolver

javax.servlet.jsp.el.VariableResolver

This class is used to customize the way an ExpressionEvaluator resolves variable references at evaluation time. For example, instances of this class can implement their own variable lookup mechanisms, or introduce the notion of "implicit variables" which override any other variables. An instance of this class should be passed when evaluating an expression.

An instance of this class includes the context against which resolution will happen
@since 2.0 @deprecated As of JSP 2.1, replaced by javax.el.ELResolver

                    Result result = new StreamResult(targetFile);
                    XMLReader reader = factory.newSAXParser().getXMLReader();
                    reader.setEntityResolver(resolver);
                    PreprocessingFilter filter = new PreprocessingFilter(reader);
                    ProcessingInstructionHandler resolvingHandler = new ExpressionHandler(
                            new VariableResolver() {


                                private Map tree = ExpressionUtils
                                        .createTree(getMavenProject()
                                                .getProperties());

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   * @param reader   The source XML reader.
   * @return The XML PI filter.
   */
  private PreprocessingFilter createPIHandler(EntityResolver resolver, XMLReader reader) {
    PreprocessingFilter filter = new PreprocessingFilter(reader);
    ProcessingInstructionHandler resolvingHandler = new ExpressionHandler(new VariableResolver() {


      public Object resolveVariable(String name) throws ELException {
        if ("date".equals(name)) {
          return DateFormat.getDateInstance(DateFormat.LONG).format(new Date());
        } else if ("project".equals(name)) {

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    Object value = null;
    if (retType == null) {
      retType = java.lang.String.class;
    }
    ExpressionEvaluatorImpl exprEvaluator = new ExpressionEvaluatorImpl();
    VariableResolver varResolver = ctx.getVariableResolver();
    try {
      value = exprEvaluator.evaluate(expr, retType, varResolver, null);
    } catch (javax.servlet.jsp.el.ELException e) {
      MessageFormat msgFormat = new MessageFormat(ERR_BAD_EXPR);
          log.warn(msgFormat.format(new Object[] {e.getMessage()}));

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     * @return The XML PI filter.
     */
    private PreprocessingFilter createPIHandler(EntityResolver resolver, XMLReader reader) {
        PreprocessingFilter filter = new PreprocessingFilter(reader);
        ProcessingInstructionHandler resolvingHandler = new ExpressionHandler(
                new VariableResolver() {


                    public Object resolveVariable(String name)
                            throws ELException {
                        if ("date".equals(name)) {
                            return DateFormat.getDateInstance(

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