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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.internal;
import java.io.Console;
import com.gemstone.gemfire.management.internal.cli.CliUtil;
import com.gemstone.gemfire.management.internal.cli.LogWrapper;
import com.gemstone.gemfire.management.internal.cli.util.GfshConsoleReader;
/**
* Factory for Console Reader Utility.
*
* Default uses java.io.Console
returned by
* System.console()
*
*
* @author Abhishek Chaudhari
* @since 7.0.1
*/
public class GfeConsoleReaderFactory {
private static GfeConsoleReader defaultConsoleReader = createConsoleReader();
public static final GfeConsoleReader getDefaultConsoleReader() {
return defaultConsoleReader;
}
public static final GfeConsoleReader createConsoleReader() {
GfeConsoleReader consoleReader = null;
if (CliUtil.isGfshVM()) {
LogWrapper.getInstance().info("GfeConsoleReaderFactory.createConsoleReader(): isGfshVM");
consoleReader = new GfshConsoleReader();
LogWrapper.getInstance().info("GfeConsoleReaderFactory.createConsoleReader(): consoleReader: "+consoleReader+"="+consoleReader.isSupported());
}
if (consoleReader == null) {
consoleReader = new GfeConsoleReader();
}
return consoleReader;
}
public static class GfeConsoleReader {
private Console console;
protected GfeConsoleReader() {
console = System.console();
}
public boolean isSupported() {
return console != null;
}
public String readLine(String textToPrompt) {
if (isSupported()) {
return console.readLine(textToPrompt);
}
return null;
}
public char [] readPassword(String textToPrompt) {
if (isSupported()) {
return console.readPassword(textToPrompt);
}
return null;
}
@Override
public String toString() {
return getClass().getSimpleName() + ": isSupported=" + isSupported();
}
}
}