org.elasticsearch.common.settings.SettingsFilter Maven / Gradle / Ivy
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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.common.settings;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import java.util.concurrent.CopyOnWriteArrayList;
/**
*
*/
public class SettingsFilter extends AbstractComponent {
public static interface Filter {
void filter(ImmutableSettings.Builder settings);
}
private final CopyOnWriteArrayList filters = new CopyOnWriteArrayList();
@Inject
public SettingsFilter(Settings settings) {
super(settings);
}
public void addFilter(Filter filter) {
filters.add(filter);
}
public void removeFilter(Filter filter) {
filters.remove(filter);
}
public Settings filterSettings(Settings settings) {
ImmutableSettings.Builder builder = ImmutableSettings.settingsBuilder().put(settings);
for (Filter filter : filters) {
filter.filter(builder);
}
return builder.build();
}
}