AbstractMediaMetadataExtractor.java
/*
* Copyright (C) 2000 - 2024 Silverpeas
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* As a special exception to the terms and conditions of version 3.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* Open Source Software ("FLOSS") applications as described in Silverpeas's
* FLOSS exception. You should have received a copy of the text describing
* the FLOSS exception, and it is also available here:
* "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.silverpeas.components.gallery.media;
import org.silverpeas.core.ui.DisplayI18NHelper;
import org.silverpeas.kernel.bundle.LocalizationBundle;
import org.silverpeas.kernel.bundle.ResourceLocator;
import org.silverpeas.kernel.bundle.SettingBundle;
import org.silverpeas.kernel.util.StringUtil;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public abstract class AbstractMediaMetadataExtractor implements MediaMetadataExtractor {
private static final SettingBundle DEFAULT_SETTINGS =
ResourceLocator.getSettingBundle("org.silverpeas.gallery.settings.metadataSettings");
protected SettingBundle settings = DEFAULT_SETTINGS;
protected Map<String, LocalizationBundle> metaDataBundles;
protected List<ExifProperty> imageProperties;
protected List<IptcProperty> imageIptcProperties;
@Override
public final List<ExifProperty> defineImageProperties(Iterable<String> propertyNames) {
List<ExifProperty> properties = new ArrayList<ExifProperty>();
for (String value : propertyNames) {
if (value.startsWith("METADATA_")) {
String property = settings.getString(value + "_TAG");
if (property != null) {
String labelKey = settings.getString(value + "_LABEL");
ExifProperty exifProperty = new ExifProperty(Integer.valueOf(property));
for (Map.Entry<String, LocalizationBundle> labels : metaDataBundles.entrySet()) {
String label = labels.getValue().getString(labelKey);
exifProperty.setLabel(labels.getKey(), label);
}
properties.add(exifProperty);
}
}
}
return properties;
}
@Override
public final List<IptcProperty> defineImageIptcProperties(Iterable<String> propertyNames) {
List<IptcProperty> properties = new ArrayList<IptcProperty>();
for (String value : propertyNames) {
if (value.startsWith("IPTC_")) {
String property = settings.getString(value + "_TAG");
if (property != null) {
String labelKey = settings.getString(value + "_LABEL");
boolean isDate = StringUtil.getBooleanValue(settings.getString(value + "_DATE"));
IptcProperty iptcProperty = new IptcProperty(Integer.valueOf(property));
for (Map.Entry<String, LocalizationBundle> labels : metaDataBundles.entrySet()) {
String label = labels.getValue().getString(labelKey);
iptcProperty.setLabel(labels.getKey(), label);
}
iptcProperty.setDate(isDate);
properties.add(iptcProperty);
}
}
}
return properties;
}
final void init(String instanceId) {
settings = ResourceLocator.getSettingBundle(
"org.silverpeas.gallery.settings.metadataSettings_" + instanceId);
if (!settings.exists()) {
this.settings = DEFAULT_SETTINGS;
}
this.metaDataBundles = new HashMap<>(DisplayI18NHelper.getLanguages().size());
for (String lang : DisplayI18NHelper.getLanguages()) {
metaDataBundles.put(lang,
ResourceLocator.getLocalizationBundle("org.silverpeas.gallery.multilang.metadataBundle",
lang));
}
String display = settings.getString("display");
Iterable<String> propertyNames = StringUtil.splitString(display, ',');
this.imageProperties = defineImageProperties(propertyNames);
this.imageIptcProperties = defineImageIptcProperties(propertyNames);
}
}