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    • com.jidesoft.plaf.UIDefaultsLookup Maven / Gradle / Ivy

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    /*
 * @(#)UIManagerLookup.java 4/5/2007
 *
 * Copyright 2002 - 2007 JIDE Software Inc. All rights reserved.
 */

package com.jidesoft.plaf;

import com.jidesoft.converter.ObjectConverterManager;
import sun.reflect.Reflection;

import javax.swing.*;
import javax.swing.border.Border;
import java.awt.*;
import java.util.Collection;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

/**
 * This class simply uses UIManager's get method to lookup the UIDefaults. We used this everywhere in our code so that
 * we have one central place to find out which UIDefaults we are using. Another good thing is you can use {@link
 * #setTrace(boolean)} and {@link #setDebug(boolean)} to turn on the trace so that it will print out which UIDefaults we
 * are trying to get.
 */
public class UIDefaultsLookup {
    private static boolean _debug = false;
    private static boolean _trace = false;

    /**
     * Sets the debug mode. If debug mode is on, we will print out any UIDefaults that the value is null.
     *
     * @param debug true or false.
     */
    public static void setDebug(boolean debug) {
        _debug = debug;
    }

    /**
     * Sets the trace mode. If trace mode is on, we will print out any UIDefaults we are trying to get and its current
     * value.
     *
     * @param trace true or false.
     */
    public static void setTrace(boolean trace) {
        _trace = trace;
    }

    public static void put(UIDefaults table, String key, Object value) {
        Object v = table.get(key);
        if (v == null || !(v instanceof Map)) {
            v = new HashMap();
            table.put(key, v);
        }
        Object cl = UIManager.get("ClassLoader");
        if (!(cl instanceof ClassLoader)) {
            cl = value.getClass().getClassLoader();
        }
        ((Map) v).put(cl, value);
    }

    // Returns the invoker's class loader, or null if none.
    // NOTE: This must always be invoked when there is exactly one intervening
    // frame from the core libraries on the stack between this method's
    // invocation and the desired invoker.
    static ClassLoader getCallerClassLoader() {
        Object cl = UIManager.get("ClassLoader");
        if (cl instanceof ClassLoader) {
            return (ClassLoader) cl;
        }

        // NOTE use of more generic Reflection.getCallerClass()
        Class caller = Reflection.getCallerClass(3);
        // This can be null if the VM is requesting it
        if (caller == null) {
            return null;
        }
        // Circumvent security check since this is package-private
        return caller.getClassLoader();
    }

    public static Object get(Object key) {
        Object value = UIManager.get(key);
        log(value, key, null);
        if (value instanceof Map && "Theme.painter".equals(key)) {
            Map map = (Map) value;
            try {
                ClassLoader classLoader = getCallerClassLoader();
                Object o = map.get(classLoader);
                while (o == null && classLoader.getParent() != null) {
                    classLoader = classLoader.getParent();
                    o = map.get(classLoader);
                }
                if (o == null && map.size() >= 1) {
                    Collection classLoaders = map.values();
                    for (Object cl : classLoaders) {
                        if (cl != null) {
                            o = cl;
                            break;
                        }
                    }
                }
                return o;
            }
            catch (Exception e) {
                if (map.size() == 1) {
                    return map.values().iterator().next();
                }
                else {
                    return map.get(LookAndFeelFactory.getUIManagerClassLoader());
                }
            }
        }
        return value;
    }

    public static Object get(Object key, Locale l) {
        Object value = UIManager.get(key, l);
        log(value, key, l);
        return value;
    }

    private static void log(Object value, Object key, Locale l) {
        if (_debug && value == null) {
            System.out.println("\"" + key + (l == null ? "" : l.toString()) + " \" ==> null ------------------------");
        }
        else if (_trace) {
            if (value == null) {
                System.out.println("\"" + key + (l == null ? "" : l.toString()) + " \" ==> null ------------------------");
            }
            else {
                System.out.println("\"" + key + (l == null ? "" : l.toString()) + " \" ==> " + value.getClass().getName() + "(" + ObjectConverterManager.toString(value) + ")");
            }
        }
    }

    /**
     * If the value of key is a Font return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is a Font, return the Font object; otherwise
     *         return null
     */
    public static Font getFont(Object key) {
        Object value = get(key);
        return (value instanceof Font) ? (Font) value : null;
    }


    /**
     * If the value of key for the given Locale is a Font return it, otherwise
     * return null.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is a Font, return the
     *         Font object; otherwise return null
     * @since 1.9.5.04
     */
    public static Font getFont(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Font) ? (Font) value : null;
    }

    /**
     * If the value of key is a Color return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is a Color, return the Color object;
     *         otherwise return null
     */
    public static Color getColor(Object key) {
        Object value = get(key);
        return (value instanceof Color) ? (Color) value : null;
    }


    /**
     * If the value of key for the given Locale is a Color return it, otherwise
     * return null.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is a Color, return the
     *         Color object; otherwise return null
     * @since 1.9.5.04
     */
    public static Color getColor(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Color) ? (Color) value : null;
    }


    /**
     * If the value of key is an Icon return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is an Icon, return the Icon object; otherwise
     *         return null
     */
    public static Icon getIcon(Object key) {
        Object value = get(key);
        return (value instanceof Icon) ? (Icon) value : null;
    }


    /**
     * If the value of key for the given Locale is an Icon return it, otherwise
     * return null.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is an Icon, return the
     *         Icon object; otherwise return null
     * @since 1.9.5.04
     */
    public static Icon getIcon(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Icon) ? (Icon) value : null;
    }


    /**
     * If the value of key is a Border return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is a Border, return the Border object;
     *         otherwise return null
     */
    public static Border getBorder(Object key) {
        Object value = get(key);
        return (value instanceof Border) ? (Border) value : null;
    }


    /**
     * If the value of key for the given Locale is a Border return it, otherwise
     * return null.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is a Border, return the
     *         Border object; otherwise return null
     * @since 1.9.5.04
     */
    public static Border getBorder(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Border) ? (Border) value : null;
    }


    /**
     * If the value of key is a String return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is a String, return the String object;
     *         otherwise return null
     */
    public static String getString(Object key) {
        Object value = get(key);
        return (value instanceof String) ? (String) value : null;
    }

    /**
     * If the value of key for the given Locale is a String return it, otherwise
     * return null.
     *
     * @param key the desired key
     * @param l   the desired Locale
     * @return if the value for key for the given Locale is a String, return the
     *         String object; otherwise return null
     * @since 1.9.5.04
     */
    public static String getString(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof String) ? (String) value : null;
    }

    /**
     * If the value of key is an Integer return its integer value, otherwise return 0.
     *
     * @param key the desired key
     * @return if the value for key is an Integer, return its value, otherwise return 0
     */
    public static int getInt(Object key) {
        Object value = get(key);
        return (value instanceof Integer) ? (Integer) value : 0;
    }


    /**
     * If the value of key for the given Locale is an Integer return its integer
     * value, otherwise return 0.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is an Integer, return its value,
     *         otherwise return 0
     * @since 1.9.5.04
     */
    public static int getInt(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Integer) ? (Integer) value : 0;
    }


    /**
     * If the value of key is boolean, return the boolean value, otherwise return false.
     *
     * @param key an Object specifying the key for the desired boolean value
     * @return if the value of key is boolean, return the boolean value, otherwise return false.
     * @since 1.9.5.04
     */
    public static boolean getBoolean(Object key) {
        Object value = get(key);
        return (value instanceof Boolean) ? (Boolean) value : false;
    }


    /**
     * If the value of key for the given Locale is boolean, return the boolean value,
     * otherwise return false.
     *
     * @param key an Object specifying the key for the desired boolean value
     * @param l   the desired locale
     * @return if the value for key and Locale is boolean, return the boolean value, otherwise
     *         return false.
     * @since 1.9.5.04
     */
    public static boolean getBoolean(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Boolean) ? (Boolean) value : false;
    }


    /**
     * If the value of key is an Insets return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is an Insets, return the Insets object;
     *         otherwise return null
     */
    public static Insets getInsets(Object key) {
        Object value = get(key);
        return (value instanceof Insets) ? (Insets) value : null;
    }


    /**
     * If the value of key for the given Locale is an Insets return it, otherwise
     * return null.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is an Insets, return the
     *         Insets object; otherwise return null
     * @since 1.9.5.04
     */
    public static Insets getInsets(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Insets) ? (Insets) value : null;
    }


    /**
     * If the value of key is a Dimension return it, otherwise return null.
     *
     * @param key the desired key
     * @return if the value for key is a Dimension, return the Dimension object;
     *         otherwise return null
     */
    public static Dimension getDimension(Object key) {
        Object value = get(key);
        return (value instanceof Dimension) ? (Dimension) value : null;
    }


    /**
     * If the value of key for the given Locale is a Dimension return it,
     * otherwise return null.
     *
     * @param key the desired key
     * @param l   the desired locale
     * @return if the value for key and Locale is a Dimension, return the
     *         Dimension object; otherwise return null
     * @since 1.9.5.04
     */
    public static Dimension getDimension(Object key, Locale l) {
        Object value = get(key, l);
        return (value instanceof Dimension) ? (Dimension) value : null;
    }
}
    
    
    
    

    




    
    
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