/*
* 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.converters;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import org.apache.geode.management.cli.ConverterHint;
import org.apache.geode.management.internal.cli.shell.Gfsh;
import org.springframework.shell.core.Completion;
import org.springframework.shell.core.Converter;
import org.springframework.shell.core.MethodTarget;
/**
*
* @since GemFire 7.0
*/
public class MemberGroupConverter implements Converter<String> {
@Override
public boolean supports(Class<?> type, String optionContext) {
// System.out.println("MemberGroupConverter.supports("+type+","+optionContext+")");
return String.class.equals(type) && ConverterHint.MEMBERGROUP.equals(optionContext);
}
@Override
public String convertFromText(String value, Class<?> targetType, String optionContext) {
// System.out.println("MemberGroupConverter.convertFromText("+value+","+targetType+","+optionContext+")");
return value;
}
@Override
public boolean getAllPossibleValues(List<Completion> completions, Class<?> targetType,
String existingData, String optionContext, MethodTarget target) {
// System.out.println("MemberGroupConverter.getAllPossibleValues("+existingData+","+targetType+","+optionContext+")");
if (String.class.equals(targetType) && ConverterHint.MEMBERGROUP.equals(optionContext)) {
String[] memberGroupNames = getMemberGroupNames();
for (String memberGroupName : memberGroupNames) {
completions.add(new Completion(memberGroupName));
}
}
return !completions.isEmpty();
}
public Set<String> getMemberGroups() {
final Gfsh gfsh = Gfsh.getCurrentInstance();
final Set<String> memberGroups = new TreeSet<String>();
if (gfsh != null && gfsh.isConnectedAndReady()) {
final String[] memberGroupsArray =
gfsh.getOperationInvoker().getDistributedSystemMXBean().listGroups();
memberGroups.addAll(Arrays.asList(memberGroupsArray));
}
return memberGroups;
}
private String[] getMemberGroupNames() {
final Set<String> memberGroups = getMemberGroups();
return memberGroups.toArray(new String[memberGroups.size()]);
}
}