PreprocessorUtil (Wavefront Proxy 5.0 API)

java.lang.Object
- com.wavefront.agent.preprocessor.PreprocessorUtil

```
public abstract class PreprocessorUtil
extends Object
```
Utility class for methods used by preprocessors.

Author:

[email protected]

Constructor Summary

Constructors
Constructor Description

PreprocessorUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`expandPlaceholders(String input, wavefront.report.ReportPoint reportPoint)`	Substitute {{...}} placeholders with corresponding components of the point {{metricName}} {{sourceName}} are replaced with the metric name and source respectively {{anyTagK}} is replaced with the value of the anyTagK point tag
`static String`	`expandPlaceholders(String input, wavefront.report.Span span)`	Substitute {{...}} placeholders with corresponding components of a Span {{spanName}} {{sourceName}} are replaced with the span name and source respectively {{anyKey}} is replaced with the value of an annotation with anyKey key

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PreprocessorUtil
```
public PreprocessorUtil()
```
- Method Detail
  - expandPlaceholders
```
public static String expandPlaceholders(String input,
                                        @Nonnull
                                        wavefront.report.ReportPoint reportPoint)
```
    Substitute {{...}} placeholders with corresponding components of the point {{metricName}} {{sourceName}} are replaced with the metric name and source respectively {{anyTagK}} is replaced with the value of the anyTagK point tag
    
    Parameters:
    
    input - input string with {{...}} placeholders
    
    reportPoint - ReportPoint object to extract components from
    
    Returns:
    
    string with substituted placeholders
  - expandPlaceholders
```
public static String expandPlaceholders(String input,
                                        @Nonnull
                                        wavefront.report.Span span)
```
    Substitute {{...}} placeholders with corresponding components of a Span {{spanName}} {{sourceName}} are replaced with the span name and source respectively {{anyKey}} is replaced with the value of an annotation with anyKey key
    
    Parameters:
    
    input - input string with {{...}} placeholders
    
    span - Span object to extract components from
    
    Returns:
    
    string with substituted placeholders