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/*
* _____________________________________________________________________________
*
* INAF - OATS National Institute for Astrophysics - Astronomical Observatory of
* Trieste INAF - IA2 Italian Center for Astronomical Archives
* _____________________________________________________________________________
*
* Copyright (C) 2016 Istituto Nazionale di Astrofisica
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License Version 3 as published by the
* Free Software Foundation.
*
* 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
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package it.inaf.ia2.tsm.webapp;
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import it.inaf.ia2.tsm.webapp.xmlconfig.Configuration;
import it.inaf.ia2.tsm.webapp.xmlconfig.UserConfiguration;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
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import java.util.List;
import java.util.Properties;
import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
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import javax.faces.context.FacesContext;
import javax.inject.Named;
import javax.xml.bind.JAXB;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author Sonia Zorba {@literal <zorba at oats.inaf.it>}
*/
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@Named("config")
@ApplicationScoped
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public class ConfigurationData {
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private static final Logger LOG = LoggerFactory.getLogger(ConfigurationData.class);
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private File configFile;
private Configuration configuration;
@PostConstruct
public void init() {
try {
Properties prop = new Properties();
try (InputStream in = getClass().getClassLoader().getResourceAsStream("webapp.properties")) {
prop.load(in);
}
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configFile = new File(prop.getProperty("config_file_path"));
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if (!configFile.exists()) {
LOG.debug("Configuration file doesn't exist: creating a new one at " + configFile.getAbsolutePath());
configFile.getParentFile().mkdirs();
configFile.createNewFile();
configuration = new Configuration();
updateConfigurationFile();
} else {
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// Configuration file exists, simply unmarshal it
configuration = JAXB.unmarshal(configFile, Configuration.class);
}
} catch (IOException e) {
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throw new ExceptionInInitializerError(e);
}
}
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public Configuration getData() {
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return configuration;
}
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public synchronized List<UserConfiguration> cloneUsersConfiguration() {
// JAXB is exploited for doing deep copy.
return JAXB.unmarshal(configFile, Configuration.class).getUsers();
}
public void updateConfigurationFile() throws IOException {
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JAXB.marshal(configuration, configFile);
}
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public synchronized void addUser(UserConfiguration user) throws IOException {
configuration.getUsers().add(user);
updateConfigurationFile();
}
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public synchronized void updateUsersList(List<UserConfiguration> users) throws IOException {
configuration.getUsers().clear();
for (UserConfiguration user : users) {
configuration.getUsers().add(user);
}
updateConfigurationFile();
}
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public String getRestPath() {
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return FacesContext.getCurrentInstance().getExternalContext().getRequestContextPath() + "/faces/rest";
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}
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public String getVersion() {
return Version.NUMBER;
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}