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/**
* ============LICENSE_START====================================================
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ===========================================================================
* 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.
* ============LICENSE_END====================================================
*
*/
package org.onap.aaf.cadi.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
// Substandard, because System.in doesn't do Passwords..
public class SubStandardConsole implements MyConsole {
private final static char[] BLANK = new char[0];
private final BufferedReader br;
public SubStandardConsole() {
br = new BufferedReader(new InputStreamReader(System.in));
}
@Override
public String readLine(String fmt, Object... args) {
String rv;
try {
System.out.printf(fmt,args);
rv = br.readLine();
if(args.length==1 && rv.length()==0) {
rv = args[0].toString();
}
} catch (IOException e) {
System.err.println("uh oh...");
rv = "";
}
return rv;
}
@Override
public char[] readPassword(String fmt, Object... args) {
try {
System.out.printf(fmt,args);
String response = br.readLine();
return response==null?BLANK:response.toCharArray();
} catch (IOException e) {
System.err.println("uh oh...");
return BLANK;
}
}
@Override
public void printf(String fmt, Object... args) {
System.out.printf(fmt, args);
}
}
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