HostAECacheImpl.java

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 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
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 * The Initial Developer of the Original Code is
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package org.dcm4chee.archive.rs;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import org.dcm4che3.conf.api.ConfigurationNotFoundException;
import org.dcm4che3.conf.api.IApplicationEntityCache;
import org.dcm4che3.conf.core.api.ConfigurationException;
import org.dcm4che3.net.ApplicationEntity;
import org.dcm4che3.net.Device;
import org.dcm4chee.archive.conf.ArchiveDeviceExtension;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Implementation of {@link HostAECache}.
 * 
 * @author Hesham Elbadawi <bsdreko@gmail.com>
 * @author Hermann Czedik-Eysenberg <hermann-agfa@czedik.net>
 */
@ApplicationScoped
public class HostAECacheImpl implements HostAECache {

    private static final Logger log = LoggerFactory.getLogger(HostAECacheImpl.class);

    private static final String DEFAULT_MAPPING = "*";
    
    @Inject
    private IApplicationEntityCache aeCache;

    @Inject
    Device device;

    @Override
    public ApplicationEntity findAE(HttpSource source) throws ConfigurationException {
        ArchiveDeviceExtension arcDevExt = device.getDeviceExtension(ArchiveDeviceExtension.class);

        String hostNameOrIP = arcDevExt.isHostnameAEResolution() ? source.getHost() : source.getIP();

        String aeTitle = arcDevExt.getHostNameToAETitleMap().get(hostNameOrIP);

        if (aeTitle != null) {
            try {
                return aeCache.findApplicationEntity(aeTitle);
            } catch (ConfigurationException e) {
                log.warn("AET {} (hostname/ip: {}) is not correctly configured. Will use default fallback AET instead.", aeTitle, hostNameOrIP);
            }
        }

        // fallback to default mapping
        String fallbackAETitle = arcDevExt.getHostNameToAETitleMap().get(DEFAULT_MAPPING);
        if (fallbackAETitle == null)
            throw new ConfigurationNotFoundException("AE for hostname/ip " + hostNameOrIP + " not found. No default/fallback configured.");
        return aeCache.findApplicationEntity(fallbackAETitle);
    }

}