DatabaseReader.Builder (MaxMind GeoIP2 API 2.15.0 API)

java.lang.Object
- com.maxmind.geoip2.DatabaseReader.Builder

Enclosing class:

DatabaseReader
```
public static final class DatabaseReader.Builder
extends Object
```
Constructs a Builder for the DatabaseReader. The file passed to it must be a valid GeoIP2 database file.

Builder creates instances of DatabaseReader from values set by the methods.

Only the values set in the Builder constructor are required.

Constructor Summary

Constructors
Constructor Description

Builder(File database)

Builder(InputStream stream)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DatabaseReader`	`build()`
`DatabaseReader.Builder`	`fileMode(Reader.FileMode val)`
`DatabaseReader.Builder`	`locales(List<String> val)`
`DatabaseReader.Builder`	`withCache(NodeCache cache)`

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

- Constructor Detail
  - Builder
```
public Builder(InputStream stream)
```
    Parameters:
    
    stream - the stream containing the GeoIP2 database to use.
  - Builder
```
public Builder(File database)
```
    Parameters:
    
    database - the GeoIP2 database file to use.
- Method Detail
  - locales
```
public DatabaseReader.Builder locales(List<String> val)
```
    Parameters:
    
    val - List of locale codes to use in name property from most preferred to least preferred.
    
    Returns:
    
    Builder object
  - withCache
```
public DatabaseReader.Builder withCache(NodeCache cache)
```
    Parameters:
    
    cache - backing cache instance
    
    Returns:
    
    Builder object
  - fileMode
```
public DatabaseReader.Builder fileMode(Reader.FileMode val)
```
    Parameters:
    
    val - The file mode used to open the GeoIP2 database
    
    Returns:
    
    Builder object
    
    Throws:
    
    IllegalArgumentException - if you initialized the Builder with a URL, which uses Reader.FileMode.MEMORY, but you provided a different FileMode to this method.
  - build
```
public DatabaseReader build()
                     throws IOException
```
    Returns:
    
    an instance of DatabaseReader created from the fields set on this builder.
    
    Throws:
    
    IOException - if there is an error reading the database