com.wavemaker.commons.properties.SortedProperties Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (C) 2022-2023 WaveMaker, Inc.
*
* 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.
******************************************************************************/
package com.wavemaker.commons.properties;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.TreeSet;
/**
* @author Sunil Kumar
* @since 14/4/16
*/
public class SortedProperties extends Properties {
@Override
public Set> entrySet() {
Set> entrySet = new TreeSet<>((o1, o2) -> {
Comparable key1 = (Comparable) o1.getKey();
return key1.compareTo(o2.getKey());
});
entrySet.addAll(super.entrySet());
return entrySet;
}
@Override
public synchronized Enumeration keys() {
Enumeration keysEnum = super.keys();
List keyList = new ArrayList<>();
while (keysEnum.hasMoreElements()) {
keyList.add((String) keysEnum.nextElement());
}
Collections.sort(keyList);
return Collections.enumeration(keyList);
}
@Override
public Set stringPropertyNames() {
return new TreeSet<>(super.stringPropertyNames());
}
}