PropertyHandler (PDI Core 9.5.0.0-252 API)

All Superinterfaces:

Handler

All Known Implementing Classes:

OverlayProperties, OverlayPropertyHandler
```
public interface PropertyHandler
extends Handler
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`exists(String filename)`	check to see whether a property file exists within the classpath or filesystem
`String`	`getProperty(String key)`	return the value of a given key from the properties list
`String`	`getProperty(String key, String defValue)`	return the value of a given key from the properties list, returning the defValue string should the key not be found
`boolean`	`loadProps(String filename)`	load properties for the given properties file

- Method Detail
  - loadProps
```
boolean loadProps(String filename)
```
    load properties for the given properties file
    
    Parameters:
    
    filename -
    
    Returns:
    
    true if load was successful
  - exists
```
boolean exists(String filename)
```
    check to see whether a property file exists within the classpath or filesystem
    
    Parameters:
    
    filename -
    
    Returns:
    
    true if resource exists
  - getProperty
```
String getProperty(String key)
```
    return the value of a given key from the properties list
    
    Parameters:
    
    key -
    
    Returns:
    
    null if the key is not found
  - getProperty
```
String getProperty(String key,
                   String defValue)
```
    return the value of a given key from the properties list, returning the defValue string should the key not be found
    
    Parameters:
    
    key -
    
    defValue -
    
    Returns:
    
    a string representing either the value associated with the passed key or defValue should that key not be found