com.gemstone.gemfire.management.internal.cli.converters.LocatorDiscoveryConfigConverter Maven / Gradle / Ivy
/*
* 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.management.internal.cli.converters;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import com.gemstone.gemfire.management.cli.ConverterHint;
import com.gemstone.gemfire.management.internal.cli.shell.Gfsh;
import org.springframework.shell.core.Completion;
import org.springframework.shell.core.Converter;
import org.springframework.shell.core.MethodTarget;
/**
*
* @author Abhishek Chaudhari
*
* @since 7.5
*/
public class LocatorDiscoveryConfigConverter implements Converter {
@Override
public boolean supports(Class type, String optionContext) {
return String.class.equals(type) && ConverterHint.LOCATOR_DISCOVERY_CONFIG.equals(optionContext);
}
@Override
public String convertFromText(String value, Class targetType,
String optionContext) {
return value;
}
@Override
public boolean getAllPossibleValues(List completions,
Class targetType, String existingData, String optionContext,
MethodTarget target) {
if (String.class.equals(targetType) && ConverterHint.LOCATOR_DISCOVERY_CONFIG.equals(optionContext)) {
Set locatorIdsAndNames = getLocatorIdAndNames();
for (String string : locatorIdsAndNames) {
completions.add(new Completion(string));
}
}
return !completions.isEmpty();
}
private Set getLocatorIdAndNames() {
final Set locatorIdsAndNames = new TreeSet();
final Gfsh gfsh = Gfsh.getCurrentInstance();
if (gfsh != null && gfsh.isConnectedAndReady()) {
final String[] locatorIds = gfsh.getOperationInvoker().getDistributedSystemMXBean().listLocators();
if (locatorIds != null && locatorIds.length != 0) {
locatorIdsAndNames.addAll(Arrays.asList(locatorIds));
}
}
return locatorIdsAndNames;
}
}