PwaasUtil (segmentrouting-impl 3.1.0 API)

java.lang.Object
- org.onosproject.segmentrouting.pwaas.PwaasUtil

```
public final class PwaasUtil
extends Object
```
Utility class with static methods that help parse pseudowire related information and also verify that a pseudowire combination is valid.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static L2TunnelHandler.Result`	`configurationValidity(List<L2TunnelDescription> pseudowires)`
`static L2Mode`	`parseMode(String mode)`
`static Integer`	`parsePwId(String id)`	Parses a string as a pseudowire id - which is an integer.
`static org.onlab.packet.MplsLabel`	`parsePWLabel(String label)`
`static org.onlab.packet.VlanId`	`parseVlan(String vlan)`	Parses a vlan as a string.

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

- Method Detail
  - parseVlan
```
public static org.onlab.packet.VlanId parseVlan(String vlan)
```
    Parses a vlan as a string. Returns the VlanId if provided String can be parsed as an integer or is '' / '*'
    
    Parameters:
    
    vlan - string as read from configuration
    
    Returns:
    
    VlanId null if error
  - parseMode
```
public static L2Mode parseMode(String mode)
```
    Parameters:
    
    mode - RAW or TAGGED
    
    Returns:
    
    the L2Mode if input is correct
  - parsePWLabel
```
public static org.onlab.packet.MplsLabel parsePWLabel(String label)
```
    Parameters:
    
    label - the mpls label of the pseudowire
    
    Returns:
    
    the MplsLabel
    
    Throws:
    
    IllegalArgumentException - if label is invalid
  - parsePwId
```
public static Integer parsePwId(String id)
```
    Parses a string as a pseudowire id - which is an integer.
    
    Parameters:
    
    id - The id of pw in string form
    
    Returns:
    
    The id of pw as an Integer or null if it failed the conversion.
  - configurationValidity
```
public static L2TunnelHandler.Result configurationValidity(List<L2TunnelDescription> pseudowires)
```