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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.cli;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import joptsimple.util.KeyValuePair;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
public abstract class SettingCommand extends Command {
private final OptionSpec<KeyValuePair> settingOption;
public SettingCommand(String description) {
super(description);
this.settingOption = parser.accepts("E", "Configure a setting").withRequiredArg().ofType(KeyValuePair.class);
}
@Override
protected void execute(Terminal terminal, OptionSet options) throws Exception {
final Map<String, String> settings = new HashMap<>();
for (final KeyValuePair kvp : settingOption.values(options)) {
if (kvp.value.isEmpty()) {
throw new UserError(ExitCodes.USAGE, "Setting [" + kvp.key + "] must not be empty");
}
settings.put(kvp.key, kvp.value);
}
putSystemPropertyIfSettingIsMissing(settings, "path.conf", "es.path.conf");
putSystemPropertyIfSettingIsMissing(settings, "path.data", "es.path.data");
putSystemPropertyIfSettingIsMissing(settings, "path.home", "es.path.home");
putSystemPropertyIfSettingIsMissing(settings, "path.logs", "es.path.logs");
execute(terminal, options, settings);
}
protected static void putSystemPropertyIfSettingIsMissing(final Map<String, String> settings, final String setting, final String key) {
final String value = System.getProperty(key);
if (value != null) {
if (settings.containsKey(setting)) {
final String message =
String.format(
Locale.ROOT,
"duplicate setting [%s] found via command-line [%s] and system property [%s]",
setting,
settings.get(setting),
value);
throw new IllegalArgumentException(message);
} else {
settings.put(setting, value);
}
}
}
protected abstract void execute(Terminal terminal, OptionSet options, Map<String, String> settings) throws Exception;
}
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