org.apache.myfaces.trinidad.util

## Class ContainerUtils

- java.lang.Object
- - org.apache.myfaces.trinidad.util.ContainerUtils

-     public final class ContainerUtils
      extends Object

  Utilities for the unified expression language. Keeps Trinidad independent of a JSP 2.1 container, for example if Facelets are used.

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static boolean` | `isValueReference(String value)` Return true if the specified string contains an EL expression.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### isValueReference

          public static boolean isValueReference(String value)

      Return true if the specified string contains an EL expression.

      NOTICE This method is just a copy of `UIComponentTag#isValueReference(String)`, but it's required because the class UIComponentTag depends on a JSP 2.1 container (for example, it indirectly implements the interface JspIdConsumer) and therefore internal classes shouldn't access this class. That's also the reason why this method is inside the class ContainerUtils, because it allows MyFaces to be independent of a JSP 2.1 container.

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