TextContext.java

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/*
 * Javolution - Java(TM) Solution for Real-Time and Embedded Systems
 * Copyright (C) 2012 - Javolution (http://javolution.org/)
 * All rights reserved.
 * 
 * Permission to use, copy, modify, and distribute this software is
 * freely granted, provided that this notice is preserved.
 */
package javolution.text;
 
import javolution.context.AbstractContext;
import javolution.context.FormatContext;
import javolution.osgi.internal.OSGiServices;
 
public abstract class TextContext extends FormatContext {
 
    protected TextContext() {}
 
    public static TextContext enter() {
        return (TextContext) TextContext.currentTextContext().enterInner();
    }
 
    public static <T> TextFormat<T> getFormat(Class<? extends T> type) {
        return TextContext.currentTextContext().searchFormat(type);
    }
 
    public abstract <T> void setFormat(Class<? extends T> type,
            TextFormat<T> newFormat);
 
    protected abstract <T> TextFormat<T> searchFormat(Class<? extends T> type);
 
    private static TextContext currentTextContext() {
        TextContext ctx = AbstractContext.current(TextContext.class);
        if (ctx != null)
            return ctx;
        return OSGiServices.getTextContext();
    }
}