package com.bradmcevoy.http.webdav;
import com.bradmcevoy.http.PropFindableResource;
import com.bradmcevoy.http.Resource;
import com.bradmcevoy.property.PropertySource.PropertyAccessibility;
import com.bradmcevoy.property.PropertySource.PropertyMetaData;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
/**
* Helper class for PropertySources. Consists of a map of StandardProperty
* instances, keyed by property name
*
* @author brad
*/
public class PropertyMap {
private final Map<String, StandardProperty> writersMap = new HashMap<String, StandardProperty>();
private final String nameSpace;
public PropertyMap( String nameSpace ) {
this.nameSpace = nameSpace;
}
public boolean hasProperty(QName name) {
if( !name.getNamespaceURI().equals( nameSpace ) ) {
return false;
}
StandardProperty pa = writersMap.get( name.getLocalPart() );
if( pa == null ) {
return false;
} else {
return true;
}
}
public Object getProperty( QName name, Resource r ) {
if( !name.getNamespaceURI().equals( nameSpace ) ) {
return null;
}
StandardProperty pa = writersMap.get( name.getLocalPart() );
if( pa == null ) {
return null;
}
if( r instanceof PropFindableResource ) {
return pa.getValue( (PropFindableResource) r );
} else {
return null;
}
}
public PropertyMetaData getPropertyMetaData( QName name, Resource r ) {
if( !name.getNamespaceURI().equals( nameSpace ) ) {
return PropertyMetaData.UNKNOWN;
}
StandardProperty pa = writersMap.get( name.getLocalPart() );
if( pa == null ) {
return PropertyMetaData.UNKNOWN;
} else {
if( r instanceof PropFindableResource ) {
return new PropertyMetaData( PropertyAccessibility.READ_ONLY, pa.getValueClass() );
} else {
return PropertyMetaData.UNKNOWN;
}
}
}
public List<QName> getAllPropertyNames( Resource r ) {
List<QName> list = new ArrayList<QName>();
for( String nm : this.writersMap.keySet() ) {
QName qname = new QName( WebDavProtocol.NS_DAV.getName(), nm );
list.add( qname );
}
return list;
}
public void add( StandardProperty pw ) {
writersMap.put( pw.fieldName(), pw );
}
public interface StandardProperty<T> {
String fieldName();
T getValue( PropFindableResource res );
Class getValueClass();
}
}