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## org.apache.tapestry5.services
Interface StackTraceElementAnalyzer

All Known Implementing Classes:
  ApplicationStackTraceElementAnalyzer, PrefixCheckStackTraceElementAnalyzer, ProxiesStackTraceElementAnalyzer, RegexpStackTraceElementAnalyzer, SyntheticStackTraceElementAnalyzer, TapestryAOPStackFrameAnalyzer

    @UsesOrderedConfiguration(value=StackTraceElementAnalyzer.class)
    public interface StackTraceElementAnalyzer

Used by `ExceptionDisplay` to characterize each stack frame that is presented. Implemented as a chain-of-command service.

Since:
  5.1.0.0

Method Summary
`java.lang.String` | `classForFrame(java.lang.StackTraceElement frame)` Returns the CSS class appropriate to the frame.

Method Detail

### classForFrame

    java.lang.String classForFrame(java.lang.StackTraceElement frame)

  Returns the CSS class appropriate to the frame.

  Parameters:
    `frame` - stack trace element to be analyzed
  Returns:
    the CSS class name, or null

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