X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.security.core%2Fsrc%2Forg%2Fargeo%2Fsecurity%2Fcore%2FConsoleCallbackHandler.java;fp=org.argeo.security.core%2Fsrc%2Forg%2Fargeo%2Fsecurity%2Fcore%2FConsoleCallbackHandler.java;h=faa81b004aee9bfb7335b44463abfe87b273fb4f;hb=10ed6557c631d5feee8541badd0c9f16a9e791c6;hp=0000000000000000000000000000000000000000;hpb=864072113f7a44fd2a291a4cb50659d6e67f8c29;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.security.core/src/org/argeo/security/core/ConsoleCallbackHandler.java b/org.argeo.security.core/src/org/argeo/security/core/ConsoleCallbackHandler.java
new file mode 100644
index 000000000..faa81b004
--- /dev/null
+++ b/org.argeo.security.core/src/org/argeo/security/core/ConsoleCallbackHandler.java
@@ -0,0 +1,70 @@
+package org.argeo.security.core;
+
+import java.io.Console;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Locale;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.TextOutputCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+
+import org.argeo.ArgeoException;
+import org.argeo.util.LocaleCallback;
+
+/** Callback handler to be used with a command line UI. */
+public class ConsoleCallbackHandler implements CallbackHandler {
+
+	@Override
+	public void handle(Callback[] callbacks) throws IOException,
+			UnsupportedCallbackException {
+		Console console = System.console();
+		if (console == null)
+			throw new ArgeoException("No console available");
+
+		PrintWriter writer = console.writer();
+		for (int i = 0; i < callbacks.length; i++) {
+			if (callbacks[i] instanceof TextOutputCallback) {
+				TextOutputCallback callback = (TextOutputCallback) callbacks[i];
+				writer.write(callback.getMessage());
+			} else if (callbacks[i] instanceof NameCallback) {
+				NameCallback callback = (NameCallback) callbacks[i];
+				writer.write(callback.getPrompt());
+				if (callback.getDefaultName() != null)
+					writer.write(" (" + callback.getDefaultName() + ")");
+				writer.write(" : ");
+				String answer = console.readLine();
+				if (callback.getDefaultName() != null
+						&& answer.trim().equals(""))
+					callback.setName(callback.getDefaultName());
+				else
+					callback.setName(answer);
+			} else if (callbacks[i] instanceof PasswordCallback) {
+				PasswordCallback callback = (PasswordCallback) callbacks[i];
+				writer.write(callback.getPrompt());
+				char[] answer = console.readPassword();
+				callback.setPassword(answer);
+				Arrays.fill(answer, ' ');
+			} else if (callbacks[i] instanceof LocaleCallback) {
+				LocaleCallback callback = (LocaleCallback) callbacks[i];
+				writer.write(callback.getPrompt());
+				writer.write("\n");
+				for (int j = 0; j < callback.getAvailableLocales().size(); j++) {
+					Locale locale = callback.getAvailableLocales().get(j);
+					writer.print(j + " : " + locale.getDisplayName() + "\n");
+				}
+				writer.write("(" + callback.getDefaultIndex() + ") : ");
+				String answer = console.readLine();
+				if (answer.trim().equals(""))
+					callback.setSelectedIndex(callback.getDefaultIndex());
+				else
+					callback.setSelectedIndex(new Integer(answer.trim()));
+			}
+		}
+	}
+
+}