/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.
*/
package org.apache.geode.management.internal.cli.util;
import java.io.IOException;
import org.apache.geode.internal.GfeConsoleReaderFactory.GfeConsoleReader;
import org.apache.geode.management.internal.cli.shell.Gfsh;
/**
* {@link GfeConsoleReader} implementation which uses JLine's Console Reader.
*
* Using the default {@link GfeConsoleReader} which uses {@link java.io.Console} makes the shell
* repeat the characters twice.
*
* TODO - Abhishek: Investigate if stty settings can avoid this?
*
* @since GemFire 7.0.1
*/
public class GfshConsoleReader extends GfeConsoleReader {
private Gfsh gfsh;
public GfshConsoleReader() {
gfsh = Gfsh.getCurrentInstance();
}
public boolean isSupported() {
return gfsh != null && !gfsh.isHeadlessMode();
}
public String readLine(String textToPrompt) {
String lineRead = null;
if (isSupported()) {
try {
lineRead = gfsh.interact(textToPrompt);
} catch (IOException e) {
lineRead = null;
}
}
return lineRead;
}
public char[] readPassword(String textToPrompt) {
char[] password = null;
if (isSupported()) {
try {
String passwordString = gfsh.readWithMask(textToPrompt, '*');
password = passwordString.toCharArray();
} catch (IOException e) {
password = null;
}
}
return password;
}
}
// package org.apache.geode.management.internal.cli.util;
//
// import org.apache.geode.internal.GfeConsoleReaderFactory.GfeConsoleReader;
//
// public class GfshConsoleReader extends GfeConsoleReader {
//
// public boolean isSupported() {
// return false;
// }
//
// public String readLine(String textToPrompt) {
// throw new UnsupportedOperationException("readLine() not supported for GfshConsoleReader");
// }
//
// public char[] readPassword(String textToPrompt) {
// throw new UnsupportedOperationException("readPassword() not supported for GfshConsoleReader");
// }
// }