com.beust.jcommander.internal.JDK6Console Maven / Gradle / Ivy
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package com.beust.jcommander.internal;
import com.beust.jcommander.ParameterException;
import java.io.PrintWriter;
import java.lang.reflect.Method;
public class JDK6Console implements Console {
private Object console;
private PrintWriter writer;
public JDK6Console(Object console) throws Exception {
this.console = console;
Method writerMethod = console.getClass().getDeclaredMethod("writer", new Class>[0]);
writer = (PrintWriter) writerMethod.invoke(console, new Object[0]);
}
public void print(String msg) {
writer.print(msg);
}
public void println(String msg) {
writer.println(msg);
}
public char[] readPassword(boolean echoInput) {
try {
writer.flush();
Method method;
if (echoInput) {
method = console.getClass().getDeclaredMethod("readLine", new Class>[0]);
return ((String) method.invoke(console, new Object[0])).toCharArray();
} else {
method = console.getClass().getDeclaredMethod("readPassword", new Class>[0]);
return (char[]) method.invoke(console, new Object[0]);
}
}
catch (Exception e) {
throw new ParameterException(e);
}
}
}