org.opencms.i18n.CmsVfsBundleLoaderProperties Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (C) Alkacon Software (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.i18n;
import org.opencms.file.CmsFile;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsProperty;
import org.opencms.file.CmsPropertyDefinition;
import org.opencms.file.CmsResource;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import org.apache.commons.logging.Log;
import com.google.common.collect.Maps;
/**
* Loads message bundles from .properties files in the VFS.
*
* The paths of the properties files are formed from the base path in the bundle parameters, the locale, and the .properties suffix.
*/
public class CmsVfsBundleLoaderProperties implements CmsVfsResourceBundle.I_Loader {
/** Logger instance for this class. */
private static final Log LOG = CmsLog.getLog(CmsVfsBundleLoaderProperties.class);
/**
* @see org.opencms.i18n.CmsVfsResourceBundle.I_Loader#loadData(org.opencms.file.CmsObject, org.opencms.i18n.CmsVfsBundleParameters)
*/
public Map> loadData(CmsObject cms, CmsVfsBundleParameters params) throws Exception {
CmsFile file = cms.readFile(params.getBasePath());
String encoding = getEncoding(cms, file);
Properties props = new Properties();
// we do the decoding by ourselves using the encoding set on the resource, so we are not restricted to ISO 8859-1
props.load(new InputStreamReader(new ByteArrayInputStream(file.getContents()), encoding));
Map messages = Maps.newHashMap();
for (Map.Entry entry : props.entrySet()) {
messages.put((String)entry.getKey(), (String)entry.getValue());
}
Map> result = Maps.newHashMap();
result.put(params.getLocale(), messages);
return result;
}
/**
* Gets the encoding which should be used to read the properties file.
*
* @param cms the CMS context to use
* @param res the resource for which we want the encoding
*
* @return the encoding value
*/
private String getEncoding(CmsObject cms, CmsResource res) {
String defaultEncoding = OpenCms.getSystemInfo().getDefaultEncoding();
try {
CmsProperty encProp = cms.readPropertyObject(res, CmsPropertyDefinition.PROPERTY_CONTENT_ENCODING, true);
String encoding = encProp.getValue(defaultEncoding);
return encoding;
} catch (Exception e) {
LOG.warn(e.getLocalizedMessage(), e);
return defaultEncoding;
}
}
}