/**
* Copyright (C) 2012 eXo Platform SAS.
*
* This 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 software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.portal.gadget.core;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Properties;
import org.apache.commons.io.IOUtils;
import org.apache.shindig.common.PropertiesModule;
import org.exoplatform.commons.utils.PropertyManager;
import org.exoplatform.container.RootContainer;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import com.google.inject.CreationException;
import com.google.inject.spi.Message;
/**
* @author <a href="kienna@exoplatform.com">Kien Nguyen</a>
* @version $Revision$
*/
public class ExoPropertiesModule extends PropertiesModule {
private static final String GTN_SHINDIG_PROPERTIES = "shindig.properties";
/** . */
private Log log = ExoLogger.getLogger(ExoPropertiesModule.class);
private final Properties properties;
public ExoPropertiesModule() {
super();
// This ensures RootContainer initialized first
// to populate properties in configuration.properties into PropertyManager
RootContainer.getInstance();
this.properties = readPropertyFile(GTN_SHINDIG_PROPERTIES);
}
protected Properties getProperties() {
if (properties != null) {
return properties;
} else {
return super.getProperties();
}
}
private Properties readPropertyFile(String propertyFile) {
Properties properties = null;
InputStream is = null;
// Try to load shindig.properties from the gadgets directory in precedence if it is configured.
String gadgetDir = PropertyManager.getProperty("gatein.gadgets.dir");
if (gadgetDir != null) {
File file = new File(new File(gadgetDir), propertyFile);
if (file.exists() && file.isFile()) {
try {
is = new FileInputStream(file);
} catch (FileNotFoundException e) {
log.debug("File " + file.getAbsolutePath() + " doesn't exist");
}
}
}
// Then try to load shindig.properties from the gadget server application war.
if (is == null) {
GateInContainerConfigLoader currentLoader = GateInGuiceServletContextListener.getCurrentLoader();
is = currentLoader.loadResourceAsStream(propertyFile);
}
try {
if (is != null) {
properties = new Properties();
properties.load(is);
}
} catch (IOException e) {
throw new CreationException(Arrays.asList(new Message("Unable to load properties: " + propertyFile)));
} finally {
IOUtils.closeQuietly(is);
}
return properties;
}
}