/**
* Return the schema corresponding to this nsURI and a prefix.
*
* <p>This method is here to treat metadata which embed more than one time the same schema. It
* permits to retrieve a specific schema with its prefix
*
* @param prefix The prefix fixed in the schema wanted
* @param nsURI The namespace URI corresponding to the schema wanted
* @return The Class Schema representation
*/
public XMPSchema getSchema(String prefix, String nsURI) {
Iterator<XMPSchema> it = getAllSchemas().iterator();
XMPSchema tmp;
while (it.hasNext()) {
tmp = it.next();
if (tmp.getNamespace().equals(nsURI) && tmp.getPrefix().equals(prefix)) {
return tmp;
}
}
return null;
}
/**
* Get the XMPSchema for the specified namespace.
*
* <p>Return the schema corresponding to this nsURI<br>
* BE CAREFUL: typically, Metadata should contain one schema for each type. This method returns
* the first schema encountered corresponding to this NSURI.<br>
* Return null if unknown
*
* @param nsURI The namespace URI corresponding to the schema wanted
* @return The matching XMP schema representation
*/
public XMPSchema getSchema(String nsURI) {
Iterator<XMPSchema> it = schemas.iterator();
XMPSchema tmp;
while (it.hasNext()) {
tmp = it.next();
if (tmp.getNamespace().equals(nsURI)) {
return tmp;
}
}
return null;
}
/**
* Create and add an unspecified schema.
*
* @param nsPrefix The prefix wanted for the schema
* @param nsURI The namespace URI wanted for the schema
* @return The schema added in order to work on it
*/
public XMPSchema createAndAddDefaultSchema(String nsPrefix, String nsURI) {
XMPSchema schem = new XMPSchema(this, nsURI, nsPrefix);
schem.setAboutAsSimple("");
addSchema(schem);
return schem;
}