XMPSchemaRegistry

java.lang.Object
- org.apache.xmlgraphics.xmp.XMPSchemaRegistry

```
public final class XMPSchemaRegistry
extends java.lang.Object
```
This class is a registry of XMP schemas. It's implemented as a singleton.

Field Summary

Fields
Modifier and Type Field Description

private static XMPSchemaRegistry instance

private java.util.Map schemas

Constructor Summary

Constructors
Modifier Constructor Description

private XMPSchemaRegistry()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addSchema(XMPSchema schema)`	Adds an XMP schema to the registry.
`static XMPSchemaRegistry`	`getInstance()`
`XMPSchema`	`getSchema(java.lang.String namespace)`	Returns the XMP schema object for a given namespace.
`private void`	`init()`

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

- Field Detail
  - instance
```
private static XMPSchemaRegistry instance
```
  - schemas
```
private java.util.Map schemas
```
- Constructor Detail
  - XMPSchemaRegistry
```
private XMPSchemaRegistry()
```
- Method Detail
  - getInstance
```
public static XMPSchemaRegistry getInstance()
```
    Returns:
    
    the singleton instance of the XMP schema registry.
  - init
```
private void init()
```
  - addSchema
```
public void addSchema(XMPSchema schema)
```
    Adds an XMP schema to the registry.
    
    Parameters:
    
    schema - the XMP schema
  - getSchema
```
public XMPSchema getSchema(java.lang.String namespace)
```
    Returns the XMP schema object for a given namespace.
    
    Parameters:
    
    namespace - the namespace URI
    
    Returns:
    
    the XMP schema or null if none is available