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JIDE Common Layer (Professional Swing Components)
/*
* @(#)UIManagerLookup.java 4/5/2007
*
* Copyright 2002 - 2007 JIDE Software Inc. All rights reserved.
*/
package com.jidesoft.plaf;
import com.jidesoft.converter.ObjectConverterManager;
import javax.swing.*;
import javax.swing.border.Border;
import java.awt.*;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* 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 Logger LOGGER = Logger.getLogger(UIDefaultsLookup.class.getName());
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();
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Put " + key + " " + value + " using ClassLoader: " + cl);
}
((Map) v).put(cl, value);
}
/* This is the old method used before JDk8 b87. The getCallerClass(int) is removed in b87 so we can't use it any longer.
// 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();
}
*/
static ClassLoader getCallerClassLoader() {
Object cl = UIManager.get("ClassLoader");
if (cl instanceof ClassLoader) {
return (ClassLoader) cl;
}
String className = Thread.currentThread().getStackTrace()[3].getClassName();
try {
return Class.forName(className).getClassLoader();
}
catch (ClassNotFoundException e) {
return null;
}
}
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;
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Getting " + key + " from a map");
for (Object o : map.keySet()) {
LOGGER.fine("\t" + o + " => " + map.get(o));
}
}
try {
ClassLoader classLoader = getCallerClassLoader();
Object o = map.get(classLoader);
if (o != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("\tGetting " + o + " using CallerClassLoader" + classLoader);
}
}
while (o == null && classLoader.getParent() != null) {
classLoader = classLoader.getParent();
o = map.get(classLoader);
if (o != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("\tGetting " + o + " using one of the parent ClassLoader " + classLoader);
}
break;
}
}
if (o != null) return o;
}
catch (Exception e) {
// ignore
}
if (map.size() == 1) {
Object o = map.values().iterator().next();
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Failed...getting the only one " + o);
}
return o;
}
else {
Object o = map.get(LookAndFeelFactory.getUIManagerClassLoader());
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Failed...getting " + o + " using UIManagerClassLoader " + LookAndFeelFactory.getUIManagerClassLoader());
}
return o;
}
}
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 is boolean, return the boolean value, otherwise return false.
*
* @param key an Object specifying the key for the desired boolean value
* @param defaultValue the default value if the key is missing
* @return if the value of key is boolean, return the boolean value, otherwise return false.
*/
public static boolean getBoolean(Object key, boolean defaultValue) {
Object value = get(key);
return (value instanceof Boolean) ? (Boolean) value : defaultValue;
}
/**
* 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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