PicoContainer example source code file (Characteristics.java)

This example PicoContainer source code file (Characteristics.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - PicoContainer tags/keywords

cache, cdi, false, immutableproperties, immutableproperties, object, properties, properties, sdi, string, string, true, true, unsupportedoperationexception, util

The PicoContainer Characteristics.java source code

/*****************************************************************************
 * Copyright (C) PicoContainer Organization. All rights reserved.            *
 * ------------------------------------------------------------------------- *
 * The software in this package is published under the terms of the BSD      *
 * style license a copy of which has been included with this distribution in *
 * the LICENSE.txt file.                                                     *
 *                                                                           *
 * Original code by                                                          *
 *****************************************************************************/
package org.picocontainer;

import java.util.Properties;

public final class Characteristics {

    private static final String _INJECTION = "injection";
    private static final String _CONSTRUCTOR = "constructor";
    private static final String _SETTER = "setter";
    private static final String _CACHE = "cache";
    private static final String _JMX = "jmx";
    private static final String _THREAD_SAFE = "thread-safe";
    private static final String _HIDE_IMPL = "hide-impl";
    private static final String FALSE = "false";
    private static final String TRUE = "true";

    public static final Properties CDI = immutable(_INJECTION, _CONSTRUCTOR);

    public static final Properties SDI = immutable(_INJECTION, _SETTER);

    public static final Properties NO_CACHE = immutable(_CACHE, FALSE);

    public static final Properties CACHE = immutable(_CACHE, TRUE);

    public static final Properties NO_JMX = immutable(_JMX, FALSE);

    public static final Properties THREAD_SAFE = immutable(_THREAD_SAFE, TRUE);
    
    public static final Properties SINGLE = CACHE;
    
    public static final Properties HIDE_IMPL = immutable(_HIDE_IMPL, TRUE);

    private static Properties immutable(String name, String value) {
        return new ImmutableProperties(name, value);
    }

    public static class ImmutableProperties extends Properties {

        public ImmutableProperties(String name, String value) {
            super.setProperty(name, value);
        }

        public Object remove(Object o) {
            throw new UnsupportedOperationException();
        }

        public synchronized Object setProperty(String string, String string1) {
            throw new UnsupportedOperationException();
        }
    }

}