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DSpace OAI-PMH Extension

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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package org.dspace.xoai.services.impl.context;

import static com.lyncode.xoai.dataprovider.xml.xoaiconfig.Configuration.readConfiguration;

import com.lyncode.xoai.dataprovider.core.XOAIManager;
import com.lyncode.xoai.dataprovider.services.api.ResourceResolver;
import org.dspace.xoai.services.api.config.XOAIManagerResolver;
import org.dspace.xoai.services.api.config.XOAIManagerResolverException;
import org.dspace.xoai.services.api.xoai.DSpaceFilterResolver;
import org.springframework.beans.factory.annotation.Autowired;

public class DSpaceXOAIManagerResolver implements XOAIManagerResolver {
    public static final String XOAI_CONFIGURATION_FILE = "xoai.xml";
    @Autowired
    ResourceResolver resourceResolver;
    @Autowired
    DSpaceFilterResolver filterResolver;

    private XOAIManager manager;

    @Override
    public XOAIManager getManager() throws XOAIManagerResolverException {
        if (manager == null) {
            try {
                manager = new XOAIManager(filterResolver, resourceResolver,
                                          readConfiguration(resourceResolver.getResource(XOAI_CONFIGURATION_FILE)));
            } catch (Exception e) {
                throw new XOAIManagerResolverException(e);
            }
        }
        return manager;
    }
}