CollectorUtil (Speedment - Common - CodeGen 3.2.10 API)

java.lang.Object
- com.speedment.common.codegen.util.CollectorUtil

```
public final class CollectorUtil
extends Object
```
Utility methods for collecting streams in various ways.

Since:

2.1

Author:

Per Minborg, Emil Forslund

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Collector<String,?,String>`	`joinIfNotEmpty(String delimiter, String prefix, String suffix)`	Similar to the `Collectors.joining(CharSequence, CharSequence, CharSequence)` method except that this method surrounds the result with the specified `prefix` and `suffix` even if the stream is empty.

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

- Method Detail
  - joinIfNotEmpty
```
public static Collector<String,?,String> joinIfNotEmpty(String delimiter,
                                                                    String prefix,
                                                                    String suffix)
```
    Similar to the Collectors.joining(CharSequence, CharSequence, CharSequence) method except that this method surrounds the result with the specified prefix and suffix even if the stream is empty.
    
    Parameters:
    
    delimiter - the delimiter to separate the strings
    
    prefix - the prefix to put before the result
    
    suffix - the suffix to put after the result
    
    Returns:
    
    a Collector for joining string elements