| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // James Sutherland - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.internal.helper; |
| |
| import java.util.*; |
| import java.util.Map.Entry; |
| |
| /** |
| * Properties subclass that removes the synchronization. |
| */ |
| public class NonSynchronizedProperties extends Properties { |
| |
| protected Map<Object, Object> values; |
| |
| public NonSynchronizedProperties(int size) { |
| super(); |
| this.values = new HashMap<>(size); |
| } |
| |
| @Override |
| public void clear() { |
| this.values.clear(); |
| } |
| |
| @Override |
| public Object clone() { |
| NonSynchronizedProperties properties = new NonSynchronizedProperties(size()); |
| properties.putAll(this); |
| return properties; |
| |
| } |
| |
| @Override |
| public boolean contains(Object value) { |
| return this.values.containsValue(value); |
| } |
| |
| @Override |
| public boolean containsKey(Object key) { |
| return this.values.containsKey(key); |
| } |
| |
| @Override |
| public boolean containsValue(Object value) { |
| return this.values.containsValue(value); |
| } |
| |
| @Override |
| public Enumeration<Object> elements() { |
| return new Hashtable<>(this.values).elements(); |
| } |
| |
| @Override |
| public Set<Entry<Object, Object>> entrySet() { |
| return this.values.entrySet(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return this.values.equals(o); |
| } |
| |
| @Override |
| public Object get(Object key) { |
| return this.values.get(key); |
| } |
| |
| @Override |
| public int hashCode() { |
| return this.values.hashCode(); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return this.values.isEmpty(); |
| } |
| |
| @Override |
| public Enumeration<Object> keys() { |
| return new Hashtable<>(this.values).keys(); |
| } |
| |
| @Override |
| public Set<Object> keySet() { |
| return this.values.keySet(); |
| } |
| |
| @Override |
| public Object put(Object key, Object value) { |
| // Properties cannot store null. |
| if (value == null) { |
| return this.values.remove(key); |
| } |
| return this.values.put(key, value); |
| } |
| |
| @Override |
| public void putAll(Map<?, ?> t) { |
| this.values.putAll(t); |
| } |
| |
| @Override |
| public Object remove(Object key) { |
| return this.values.remove(key); |
| } |
| |
| @Override |
| public int size() { |
| return this.values.size(); |
| } |
| |
| @Override |
| public String toString() { |
| return this.values.toString(); |
| } |
| |
| @Override |
| public Collection<Object> values() { |
| return this.values.values(); |
| } |
| |
| @Override |
| public Object setProperty(String key, String value) { |
| return this.values.put(key, value); |
| } |
| |
| @Override |
| public String getProperty(String key, String defaultValue) { |
| String val = getProperty(key); |
| return (val == null) ? defaultValue : val; |
| } |
| @Override |
| public String getProperty(String key) { |
| Object oval = get(key); |
| String sval = (oval instanceof String) ? (String)oval : null; |
| return ((sval == null) && (defaults != null)) ? defaults.getProperty(key) : sval; |
| } |
| } |
| |