MetadataLoader (Alfresco Repository zap-7.87-postgres11 API)

All Known Implementing Classes:

PropertiesFileMetadataLoader, XmlPropertiesFileMetadataLoader
```
public interface MetadataLoader
```
Definition of a metadata loader - a class that can load metadata for a file from some other source. Note that metadata loaders can be "chained", so an implementation needs to be careful about how the Metadata object is populated in the populateMetadata method. Implementors also need to be careful when configuring the bulk import process, as the order in which metadata loaders are configured into a bulk importer is the order of precendence (from lowest to highest).

Since:

4.0

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class MetadataLoader.Metadata
Class used to encapsulate the type, aspects and property values for a single file or folder.

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String METADATA_SUFFIX
Metadata filename suffix (excluding file-type specific ending)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getMetadataFileExtension()`
`void`	`loadMetadata(ImportableItem.ContentAndMetadata contentAndMetadata, MetadataLoader.Metadata metadata)`	Method that populates the type, aspects and properties to attach to a given file or space.

- Field Detail
  - METADATA_SUFFIX
```
static final java.lang.String METADATA_SUFFIX
```
    Metadata filename suffix (excluding file-type specific ending)
    
    See Also:
    
    Constant Field Values
- Method Detail
  - getMetadataFileExtension
```
java.lang.String getMetadataFileExtension()
```
    Returns:
    
    The extension for files used to store this metadata, minus the stop character (.) e.g. "properties", "xml", "json", etc.
  - loadMetadata
```
void loadMetadata(ImportableItem.ContentAndMetadata contentAndMetadata,
                  MetadataLoader.Metadata metadata)
```
    Method that populates the type, aspects and properties to attach to a given file or space.
    
    Parameters:
    
    contentAndMetadata - The contentAndMetadata from which to obtain the metadata (will not be null).
    
    metadata - The metadata object to populate (will not be null, and may already be partially populated).