Package com.caucho.el

Examples of com.caucho.el.Expr

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        out.print("com.caucho.el.Expr.toStream(out, ");
        out.print(generateRTValue(String.class, _default));
        out.println(", " + escapeXml + ");");
      }
      else {
        Expr defaultExpr = new JspELParser(_gen.getELContext(),
                                           _default).parse();

        if (defaultExpr.isConstant() && escapeXml.equals("true")) {
          String string = defaultExpr.evalString(null);

          if (string != null && ! string.equals("")) {
            out.print("com.caucho.el.Expr.toStreamEscaped(out, \"");
            out.printJavaString(string);
            out.println("\");");
          }
        }
        else if (defaultExpr.isConstant() && escapeXml.equals("false")) {
          String string = defaultExpr.evalString(null);

          if (string != null && ! string.equals("")) {
            out.addText(string);
          }
        }
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      expr = XPath.parseExpr(value, getNamespaceContext());
     
      return _gen.addXPathExpr(expr);
    }

    Expr expr = _gen.genExpr(value);

    if (expr.isConstant()) {
      try {
        if (expr.evalObject(null) != null) {
        }
        else if (Character.class.isAssignableFrom(type)) {
          // jsp/18s0
          return "new Character((char) 0)";
        }
        else if (Boolean.class.isAssignableFrom(type)) {
          // jsp/18s1
          return "Boolean.FALSE";
        }
        else if (String.class.isAssignableFrom(type)) {
          // jsp/18s2
          return "\"\"";
        }
        else if (BigInteger.class.isAssignableFrom(type)) {
          return "java.math.BigInteger.ZERO";
        }
        else if (BigDecimal.class.isAssignableFrom(type)) {
          return "java.math.BigDecimal.ZERO";
        }
        else if (Number.class.isAssignableFrom(type)) {
          // jsp/18s6
          return "new " + type.getName() + "((byte) 0)";
        }
        else if (Object.class.isAssignableFrom(type))
          return "null";

        if (boolean.class.equals(type))
          return expr.evalBoolean(null) ? "true" : "false";
        else if (Boolean.class.equals(type))
          return expr.evalBoolean(null) ? "java.lang.Boolean.TRUE" : "java.lang.Boolean.FALSE";
        else if (byte.class.equals(type))
          return "(byte) " + expr.evalLong(null);
        else if (Byte.class.equals(type))
          return "new java.lang.Byte((byte) " + expr.evalLong(null) + "L)";
        else if (short.class.equals(type))
          return "(short) " + expr.evalLong(null);
        else if (Short.class.equals(type))
          return "new java.lang.Short((short) " + expr.evalLong(null) + "L)";
        else if (int.class.equals(type))
          return "(int) " + expr.evalLong(null);
        else if (Integer.class.equals(type))
          return "new java.lang.Integer((int) " + expr.evalLong(null) + "L)";
        else if (long.class.equals(type))
          return "" + expr.evalLong(null) + "L";
        else if (Long.class.equals(type))
          return "new java.lang.Long(" + expr.evalLong(null) + "L)";
        else if (float.class.equals(type))
          return "(float) " + expr.evalDouble(null);
        else if (Float.class.equals(type))
          return "new java.lang.Float((float) " + expr.evalDouble(null) + ")";
        else if (double.class.equals(type)) {
          double v = expr.evalDouble(null);

          if (Double.isNaN(v))
            return "Double.NaN";
          else
            return "" + v;
        }
        else if (Double.class.equals(type)) {
          double v = expr.evalDouble(null);

          if (Double.isNaN(v))
            return "new Double(Double.NaN)";
          else
            return "new java.lang.Double(" + v + ")";
        }
        else if (char.class.equals(type))
          return "((char) " + (int) expr.evalCharacter(null) + ")";
        else if (Character.class.equals(type)) {
          // jsp/18s0
          return "new Character((char) " + (int) expr.evalCharacter(null) + ")";
        }
        else if (String.class.equals(type))
          return "\"" + escapeJavaString(expr.evalString(null)) + "\"";
        else if (BigInteger.class.equals(type)) {
          String v = expr.evalBigInteger(null).toString();

          // 18s3
          if (v.equals("") || v.equals("0"))
            return "java.math.BigInteger.ZERO";
          else
            return "new java.math.BigInteger(\"" + v + "\")";
        }
        else if (BigDecimal.class.equals(type)) {
          String v = expr.evalBigDecimal(null).toString();

          // 18s4
          if (v.equals("") || v.equals("0.0"))
            return "java.math.BigDecimal.ZERO";
          else
            return "new java.math.BigDecimal(\"" + v + "\")";
        }
        else if (Object.class.equals(type)) {
          Object cValue = expr.evalObject(null);

          String result = generateObject(cValue);

          if (result != null)
            return result;
        }
        else {
          Object cValue = expr.evalObject(null);

          // jsp/184t
          if ("".equals(cValue))
            return "null";
        }
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                                                        Class<?> type,
                                                        Class<?> []args)
  {
    JspELParser parser = new JspELParser(elContext, exprString);

    Expr expr = parser.parse();

    return new MethodExpressionImpl(expr, exprString, type, args);
  }
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    JspELParser parser = new JspELParser(elContext, expression);

    // parser.setFunctionMapper(funMapper);

    try {
      Expr expr = parser.parse();

      return new ExpressionImpl(expr);
    } catch (com.caucho.el.ELParseException e) {
      throw new javax.servlet.jsp.el.ELParseException(e.getMessage());
    }
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    JspELParser parser = new JspELParser(elContext, expression);

    // parser.setFunctionMapper(funMapper);

    try {
      Expr expr = parser.parse();

      return new ExpressionImpl(expr);
    } catch (com.caucho.el.ELParseException e) {
      throw new javax.servlet.jsp.el.ELParseException(e.getMessage());
    }
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      expr = XPath.parseExpr(value, getNamespaceContext());
     
      return _gen.addXPathExpr(expr);
    }

    Expr expr = _gen.genExpr(value);

    if (expr.isConstant()) {
      try {
  if (expr.evalObject(null) != null) {
  }
  else if (Character.class.isAssignableFrom(type)) {
    // jsp/18s0
    return "new Character((char) 0)";
  }
  else if (Boolean.class.isAssignableFrom(type)) {
    // jsp/18s1
    return "Boolean.FALSE";
  }
  else if (String.class.isAssignableFrom(type)) {
    // jsp/18s2
    return "\"\"";
  }
  else if (BigInteger.class.isAssignableFrom(type)) {
    return "java.math.BigInteger.ZERO";
  }
  else if (BigDecimal.class.isAssignableFrom(type)) {
    return "java.math.BigDecimal.ZERO";
  }
  else if (Number.class.isAssignableFrom(type)) {
    // jsp/18s6
    return "new " + type.getName() + "((byte) 0)";
  }
  else if (Object.class.isAssignableFrom(type))
    return "null";

  if (boolean.class.equals(type))
    return expr.evalBoolean(null) ? "true" : "false";
  else if (Boolean.class.equals(type))
    return expr.evalBoolean(null) ? "java.lang.Boolean.TRUE" : "java.lang.Boolean.FALSE";
  else if (byte.class.equals(type))
    return "(byte) " + expr.evalLong(null);
  else if (Byte.class.equals(type))
    return "new java.lang.Byte((byte) " + expr.evalLong(null) + "L)";
  else if (short.class.equals(type))
    return "(short) " + expr.evalLong(null);
  else if (Short.class.equals(type))
    return "new java.lang.Short((short) " + expr.evalLong(null) + "L)";
  else if (int.class.equals(type))
    return "(int) " + expr.evalLong(null);
  else if (Integer.class.equals(type))
    return "new java.lang.Integer((int) " + expr.evalLong(null) + "L)";
  else if (long.class.equals(type))
    return "" + expr.evalLong(null) + "L";
  else if (Long.class.equals(type))
    return "new java.lang.Long(" + expr.evalLong(null) + "L)";
  else if (float.class.equals(type))
    return "(float) " + expr.evalDouble(null);
  else if (Float.class.equals(type))
    return "new java.lang.Float((float) " + expr.evalDouble(null) + ")";
  else if (double.class.equals(type)) {
    double v = expr.evalDouble(null);

    if (Double.isNaN(v))
      return "Double.NaN";
    else
      return "" + v;
  }
  else if (Double.class.equals(type)) {
    double v = expr.evalDouble(null);

    if (Double.isNaN(v))
      return "new Double(Double.NaN)";
    else
      return "new java.lang.Double(" + v + ")";
  }
  else if (char.class.equals(type))
    return "((char) " + (int) expr.evalCharacter(null) + ")";
  else if (Character.class.equals(type)) {
    // jsp/18s0
    return "new Character((char) " + (int) expr.evalCharacter(null) + ")";
  }
  else if (String.class.equals(type))
    return "\"" + escapeJavaString(expr.evalString(null)) + "\"";
  else if (BigInteger.class.equals(type)) {
    String v = expr.evalBigInteger(null).toString();

    // 18s3
    if (v.equals("") || v.equals("0"))
      return "java.math.BigInteger.ZERO";
    else
      return "new java.math.BigInteger(\"" + v + "\")";
  }
  else if (BigDecimal.class.equals(type)) {
    String v = expr.evalBigDecimal(null).toString();

    // 18s4
    if (v.equals("") || v.equals("0.0"))
      return "java.math.BigDecimal.ZERO";
    else
      return "new java.math.BigDecimal(\"" + v + "\")";
  }
  else if (Object.class.equals(type)) {
    Object cValue = expr.evalObject(null);

    String result = generateObject(cValue);

    if (result != null)
      return result;
  }
  else {
    Object cValue = expr.evalObject(null);

    // jsp/184t
    if ("".equals(cValue))
      return "null";
  }
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    if (env == null)
      env = Config.getEnvironment();

    string = rewritePathString(string);

    Expr expr = new ELParser(env, string).parse();

    Object obj = expr.evalObject(env);

    if (obj == null)
      throw new NullPointerException(L.l("Path '{0}' evaluated to null.",
           string));
    if (obj instanceof Path)
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  {
    ELContext elContext = getELContext();

    ELParser parser = new ELParser(elContext, data);

    Expr expr = parser.parse();

    Object value = type.valueOf(elContext, expr);

    if (value != null)
      return value;
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    throws ELException
  {
    if (exprString.indexOf("${") >= 0 && isEL()) {
      ELParser parser = new ELParser(getELContext(), exprString);
      parser.setCheckEscape(true);
      Expr expr = parser.parse();

      return expr.getValue(getELContext());
    }
    else
      return exprString;
  }
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  out.print("com.caucho.el.Expr.toStream(out, ");
  out.print(generateRTValue(String.class, _default));
  out.println(", " + escapeXml + ");");
      }
      else {
  Expr defaultExpr = new JspELParser(_gen.getELContext(),
             _default).parse();

  if (defaultExpr.isConstant() && escapeXml.equals("true")) {
    String string = defaultExpr.evalString(null);

    if (string != null && ! string.equals("")) {
      out.print("com.caucho.el.Expr.toStreamEscaped(out, \"");
      out.printJavaString(string);
      out.println("\");");
    }
  }
  else if (defaultExpr.isConstant() && escapeXml.equals("false")) {
    String string = defaultExpr.evalString(null);

    if (string != null && ! string.equals("")) {
      out.addText(string);
    }
  }
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Related Classes of com.caucho.el.Expr

  • com.caucho.config.type.ExprType
  • com.caucho.config.type.PathType
  • com.caucho.config.types.PathBuilder
  • com.caucho.config.types.StringTypeBuilder
  • com.caucho.config.xml.XmlBeanNewAttribute
  • com.caucho.config.xml.XmlConfigContext
  • com.caucho.jsp.el.ExpressionEvaluatorImpl
  • com.caucho.jsp.java.JspNode
  • com.caucho.jsp.java.JstlCoreOut
  • com.caucho.jsp.JspUtil
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