149 lines
4.8 KiB
Java
149 lines
4.8 KiB
Java
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package se.kb.oai.pmh;
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import java.net.URL;
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import se.kb.oai.OAIException;
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import ORG.oclc.oai.harvester2.verb.GetRecord;
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import ORG.oclc.oai.harvester2.verb.Identify;
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import ORG.oclc.oai.harvester2.verb.ListIdentifiers;
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import ORG.oclc.oai.harvester2.verb.ListMetadataFormats;
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import ORG.oclc.oai.harvester2.verb.ListRecords;
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import ORG.oclc.oai.harvester2.verb.ListSets;
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/**
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* Class that acts as a facade for an OAI-PMH server.
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*
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* Has methods that corresponds to the different verbs in the OAI-PMH
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* specification and that will return appropriate objects based on
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* the response.
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*
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* @author oskar
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*/
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public class OaiPmhServer {
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private String baseurl;
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/**
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* Creates an <code>OaiPmhServer</code> with the given base URL.
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*
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* @param url Base URL that points to an OAI-PMH server.
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*/
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public OaiPmhServer(String url) {
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this.baseurl = url;
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}
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/**
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* Creates an <code>OaiPmhServer</code> with the given base URL.
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*
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* @param url Base URL that points to an OAI-PMH server.
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*/
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public OaiPmhServer(URL url) {
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this(url.toString());
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}
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public String getBaseUrl() {
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return baseurl;
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}
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public Record getRecord(String identifier, String metadataPrefix) throws OAIException {
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try {
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GetRecord getRecord = new GetRecord(baseurl, identifier, metadataPrefix);
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return new Record(getRecord.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public Identification identify() throws OAIException {
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try {
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Identify identify = new Identify(baseurl);
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return new Identification(identify.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public IdentifiersList listIdentifiers(String metadataPrefix) throws OAIException {
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return listIdentifiers(null, null, null, metadataPrefix);
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}
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public IdentifiersList listIdentifiers(String from, String until, String set, String metadataPrefix) throws OAIException {
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try {
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ListIdentifiers list = new ListIdentifiers(baseurl, from, until, set, metadataPrefix);
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return new IdentifiersList(list.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public IdentifiersList listIdentifiers(ResumptionToken resumptionToken) throws OAIException {
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try {
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ListIdentifiers list = new ListIdentifiers(baseurl, resumptionToken.getId());
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return new IdentifiersList(list.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public RecordsList listRecords(String metadataPrefix) throws OAIException {
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return listRecords(null, null, null, metadataPrefix);
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}
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public RecordsList listRecords(String from, String until, String set, String metadataPrefix) throws OAIException {
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try {
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ListRecords list = new ListRecords(baseurl, from, until, set, metadataPrefix);
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return new RecordsList(list.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public RecordsList listRecords(ResumptionToken resumptionToken) throws OAIException {
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try {
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ListRecords list = new ListRecords(baseurl, resumptionToken.getId());
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return new RecordsList(list.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public MetadataFormatsList listMetadataFormats() throws OAIException {
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return listMetadataFormats(null);
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}
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public MetadataFormatsList listMetadataFormats(String identifier) throws OAIException {
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try {
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ListMetadataFormats list = new ListMetadataFormats(baseurl, identifier);
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return new MetadataFormatsList(list.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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public SetsList listSets() throws OAIException {
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try {
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ListSets list = new ListSets(baseurl);
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return new SetsList(list.getDocument());
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} catch (PMHErrorResponseException e) {
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throw e;
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} catch (Exception e) {
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throw new OAIException(e);
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}
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}
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}
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