PasswordArgs.java
/*
* Copyright (C) 2016 Hobrasoft s.r.o.
*
* 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.
*
* 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 <http://www.gnu.org/licenses/>.
*/
package cz.hobrasoft.pdfmu.operation.args;
import java.util.logging.Logger;
import net.sourceforge.argparse4j.inf.Argument;
import net.sourceforge.argparse4j.inf.ArgumentParser;
import net.sourceforge.argparse4j.inf.Namespace;
import org.apache.commons.lang3.StringUtils;
public class PasswordArgs implements ArgsConfiguration {
private static final Logger logger = Logger.getLogger(PasswordArgs.class.getName());
private final String title;
public Argument passwordArgument;
public Argument environmentVariableArgument;
private String password;
public PasswordArgs(String title) {
assert title != null;
this.title = title;
}
public String getPassword() {
return password;
}
public char[] getPasswordCharArray() {
if (password == null) {
return null;
}
return password.toCharArray();
}
@Deprecated
@Override
public void addArguments(ArgumentParser parser) {
finalizeArguments();
}
public void finalizeArguments() {
assert passwordArgument != null;
passwordArgument.type(String.class);
assert environmentVariableArgument != null;
environmentVariableArgument.type(String.class);
}
@Override
public void setFromNamespace(Namespace namespace) {
assert title != null;
assert passwordArgument != null;
password = namespace.getString(passwordArgument.getDest());
if (password == null) {
// Load the password from an environment variable
assert environmentVariableArgument != null;
String envVar = namespace.getString(environmentVariableArgument.getDest());
assert envVar != null; // The argument has a default value
logger.info(String.format("%s environment variable: %s", StringUtils.capitalize(title), envVar));
password = System.getenv(envVar);
if (password != null) {
logger.info(String.format("%s loaded from the environment variable %s.", StringUtils.capitalize(title), envVar));
} else {
logger.info(String.format("%s was not set.", StringUtils.capitalize(title)));
}
} else {
logger.info(String.format("%s loaded from the command line.", StringUtils.capitalize(title)));
}
}
}