oai4j/src/main/java/se/kb/oai/pmh/IdentifiersList.java

57 lines
1.6 KiB
Java

/*
* Copyright 2008 National Library of Sweden
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package se.kb.oai.pmh;
import java.util.LinkedList;
import java.util.List;
import org.dom4j.Document;
import org.dom4j.Node;
public class IdentifiersList extends ResponseBase {
private static final String HEADER_XPATH = "oai:ListIdentifiers/oai:header";
private List<Header> headers;
public IdentifiersList(Document document) throws ErrorResponseException {
super(document);
this.headers = new LinkedList<Header>();
for(Node node : xpath.selectNodes(HEADER_XPATH)) {
headers.add(new Header(node));
}
}
public int size() {
return headers.size();
}
public List<Header> asList() {
return headers;
}
public ResumptionToken getResumptionToken() {
if (super.resumptionToken == null
|| super.resumptionToken.getId() == null
|| super.resumptionToken.getId().length() == 0)
return null;
return super.resumptionToken;
}
}