package org.opennaas.extensions.ofertie.ncl.provisioner.components;
/*
* #%L
* OpenNaaS :: Generic Network
* %%
* Copyright (C) 2007 - 2014 Fundació Privada i2CAT, Internet i Innovació a Catalunya
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import java.io.BufferedReader;
import java.io.CharArrayWriter;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.opennaas.core.resources.ObjectSerializer;
import org.opennaas.core.resources.SerializationException;
import org.opennaas.extensions.ofertie.ncl.provisioner.model.User;
import org.opennaas.extensions.ofertie.ncl.provisioner.model.UserSet;
/**
*
* @author Adrián Roselló Rey (i2CAT)
*
*/
public class UserManager {
private final static String USER_REGISTRY_URL = "etc/org.opennaas.extensions.ofertie.ncl.users.xml";
private static Log log = LogFactory.getLog(UserManager.class);
public Set<User> getUsers() throws IOException, SerializationException {
String usersString = readXMLFile(USER_REGISTRY_URL);
UserSet userRegistry = (UserSet) ObjectSerializer.fromXml(usersString, UserSet.class);
return userRegistry.getUsers();
}
public User getUser(String username) throws IOException, SerializationException {
Set<User> users = getUsers();
for (User user : users)
if (user.getUsername().equals(username))
return user;
return null;
}
private static String readXMLFile(String filePath) throws IOException {
log.debug("Reading content of file " + filePath);
InputStreamReader reader = null;
BufferedReader bufferReader = null;
try {
URL url = new URL(filePath);
reader = new InputStreamReader(url.openStream());
bufferReader = new BufferedReader(reader);
} catch (MalformedURLException ignore) {
// They try a file
File file = new File(filePath);
bufferReader = new BufferedReader(new FileReader(file));
}
CharArrayWriter w = new CharArrayWriter();
int n;
char[] buf = new char[8192];
while ((n = bufferReader.read(buf)) > 0) {
w.write(buf, 0, n);
}
bufferReader.close();
String fileContent = w.toString();
log.debug("Readed content of file " + filePath);
return fileContent;
}
}