/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.rdf.vocab;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import org.openrdf.model.URI;
import org.openrdf.model.impl.URIImpl;
/**
* Basic {@link VocabularyDecl} implementation.
*/
public class BaseVocabularyDecl implements VocabularyDecl {
private final URI[] uris;
/**
* Construct a decl from an array of URIs or URI Strings. Any object types
* other than URI or String will cause an IllegalArgumentException.
*/
public BaseVocabularyDecl(final Object... uris) {
if (uris == null) {
this.uris = new URI[0];
} else {
this.uris = new URI[uris.length];
for (int i = 0; i < uris.length; i++) {
if (uris[i] instanceof URI) {
this.uris[i] = (URI) uris[i];
} else if (uris[i] instanceof String) {
this.uris[i] = new URIImpl((String) uris[i]);
} else {
throw new IllegalArgumentException("URIs or Strings only: " + uris[i]);
}
}
}
}
/**
* Return an iterator which will visit the declared values. The iterator
* must not support removal.
*/
public Iterator<URI> values() {
return Collections.unmodifiableList(Arrays.asList(uris)).iterator();
}
}