org.apache.pulsar.admin.cli.CmdUsageFormatter Maven / Gradle / Ivy
/**
* 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.pulsar.admin.cli;
import com.beust.jcommander.DefaultUsageFormatter;
import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameters;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class CmdUsageFormatter extends DefaultUsageFormatter {
/**
* The commands in this set are hidden and not shown to users.
*/
private Set deprecatedCommands = new HashSet<>();
private final JCommander commander;
public CmdUsageFormatter(JCommander commander) {
super(commander);
this.commander = commander;
}
/**
* This method is copied from DefaultUsageFormatter,
* but the ability to skip deprecated commands is added.
* @param out
* @param indentCount
* @param descriptionIndent
* @param indent
*/
@Override
public void appendCommands(StringBuilder out, int indentCount, int descriptionIndent, String indent) {
out.append(indent + " Commands:\n");
for (Map.Entry commands : commander.getRawCommands().entrySet()) {
Object arg = commands.getValue().getObjects().get(0);
Parameters p = arg.getClass().getAnnotation(Parameters.class);
if (p == null || !p.hidden()) {
JCommander.ProgramName progName = commands.getKey();
String dispName = progName.getDisplayName();
//skip the deprecated command
if (deprecatedCommands.contains(dispName)) {
continue;
}
String description = indent + s(4) + dispName + s(6) + getCommandDescription(progName.getName());
wrapDescription(out, indentCount + descriptionIndent, description);
out.append("\n");
JCommander jc = commander.findCommandByAlias(progName.getName());
jc.getUsageFormatter().usage(out, indent + s(6));
out.append("\n");
}
}
}
public void addDeprecatedCommand(String command) {
this.deprecatedCommands.add(command);
}
public void removeDeprecatedCommand(String command) {
this.deprecatedCommands.remove(command);
}
public void clearDeprecatedCommand(){
this.deprecatedCommands.clear();
}
}
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