com.vaadin.base.devserver.DevServerOutputTracker API 23.1.17 | Vaadin

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com.vaadin.base.devserver.

java.lang.Object
- com.vaadin.base.devserver.DevServerOutputTracker

```
public class DevServerOutputTracker
extends Object
```
Tracks the output of a dev server and scans for given success and/or failure patterns while copying the dev server output to standard output.
Triggers an event whenever a success or failure pattern is found on a row.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class DevServerOutputTracker.Result
Encapsulates the result of a find operation.

Constructor Summary

Constructors
Constructor	Description
`DevServerOutputTracker(InputStream inputStream, Pattern success, Pattern failure, Consumer<DevServerOutputTracker.Result> onMatch)`	Creates a new finder that scans for the given success and/or failure pattern.

Method Summary

All Methods
Modifier and Type	Method	Description
`boolean`	`awaitFirstMatch(int timeoutInSeconds)`	Blocks until the first match is found and the callback has been run.
`void`	`find()`	Runs the find operation.

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

- Constructor Detail
  - DevServerOutputTracker
```
public DevServerOutputTracker(InputStream inputStream,
                              Pattern success,
                              Pattern failure,
                              Consumer<DevServerOutputTracker.Result> onMatch)
```
    Creates a new finder that scans for the given success and/or failure pattern.
    
    Parameters:
    
    inputStream - the stream to scan
    
    success - the pattern indicating success
    
    failure - the pattern indicating failure
    
    onMatch - callback triggered when either success or failure is found
- Method Detail
  - find
```
public void find()
```
    Runs the find operation.
  - awaitFirstMatch
```
public boolean awaitFirstMatch(int timeoutInSeconds)
                        throws InterruptedException
```
    Blocks until the first match is found and the callback has been run.
    
    Parameters:
    
    timeoutInSeconds - the maximum number of seconds to wait
    
    Returns:
    
    true if a match was found, false if a timeout occurred
    
    Throws:
    
    InterruptedException - if the finder thread is interrupted