org.wildfly.security.ssl.LinkedProperties Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 org.wildfly.security.ssl;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
/**
* A properties map that is backed by a type-checked linked hash map. The map can never be made to hold keys
* or values that are not strings, and will always return entries in the same order they were added.
*
* @author David M. Lloyd
*/
class LinkedProperties extends Properties {
private static final long serialVersionUID = 7177745441023482122L;
private final Map realMap;
LinkedProperties() {
this(Collections.checkedMap(new LinkedHashMap(), String.class, String.class));
}
private LinkedProperties(final Map realMap) {
this.realMap = realMap;
}
private static T defVal(T val, T def) {
return val != null ? val : def;
}
public String getProperty(final String key) {
return realMap.get(key);
}
public String getProperty(final String key, final String defaultValue) {
return defVal(realMap.get(key), defaultValue);
}
public Object get(final Object key) {
return realMap.get(key);
}
public boolean contains(final Object value) {
return containsValue(value);
}
public boolean containsKey(final Object key) {
return realMap.containsKey(key);
}
@SuppressWarnings("unchecked")
public Enumeration