Java Swing UIManager getUIDefaultOfClass(Class clazz, String property)

Description

Convenience method for retrieving the UIDefault for a single property of a particular class.

License

Apache License

Parameter

Parameter	Description
clazz	the class of interest
property	the property to query

Return

the UIDefault property, or null if not found

Declaration

public static Object getUIDefaultOfClass(Class<?> clazz, String property) 

Method Source Code

//package com.java2s;
/* //from  w w  w . jav a2s . co m
 * Copyright 2016 Dmitry Avtonomov.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.Collections;

import java.util.List;

import javax.swing.UIDefaults;
import javax.swing.UIManager;

public class Main {
    /**
     * Convenience method for retrieving the UIDefault for a single property
     * of a particular class.
     * 
     * @param clazz the class of interest
     * @param property the property to query
     * @return the UIDefault property, or null if not found
     */
    public static Object getUIDefaultOfClass(Class<?> clazz, String property) {
        Object retVal = null;
        UIDefaults defaults = getUIDefaultsOfClass(clazz);
        List<Object> listKeys = Collections.list(defaults.keys());
        for (Object key : listKeys) {
            if (key.equals(property)) {
                return defaults.get(key);
            }
            if (key.toString().equalsIgnoreCase(property)) {
                retVal = defaults.get(key);
            }
        }
        return retVal;
    }

    /**
     * Convenience method for retrieving a subset of the UIDefaults pertaining
     * to a particular class.
     * 
     * @param clazz the class of interest
     * @return the UIDefaults of the class
     */
    public static UIDefaults getUIDefaultsOfClass(Class<?> clazz) {
        String name = clazz.getName();
        name = name.substring(name.lastIndexOf(".") + 2);
        return getUIDefaultsOfClass(name);
    }

    /**
     * Convenience method for retrieving a subset of the UIDefaults pertaining
     * to a particular class.
     * 
     * @param className fully qualified name of the class of interest
     * @return the UIDefaults of the class named
     */
    public static UIDefaults getUIDefaultsOfClass(String className) {
        UIDefaults retVal = new UIDefaults();
        UIDefaults defaults = UIManager.getLookAndFeelDefaults();
        List<?> listKeys = Collections.list(defaults.keys());
        for (Object key : listKeys) {
            if (key instanceof String && ((String) key).startsWith(className)) {
                String stringKey = (String) key;
                String property = stringKey;
                if (stringKey.contains(".")) {
                    property = stringKey.substring(stringKey.indexOf(".") + 1);
                }
                retVal.put(property, defaults.get(key));
            }
        }
        return retVal;
    }

    /**
     * Convenience method for determining whether two objects are either
     * equal or both null.
     * 
     * @param obj1 the first reference object to compare.
     * @param obj2 the second reference object to compare.
     * @return true if obj1 and obj2 are equal or if both are null,
     * false otherwise
     */
    public static boolean equals(Object obj1, Object obj2) {
        return obj1 == null ? obj2 == null : obj1.equals(obj2);
    }
}

Related

1. getSystemDefaultModifier()
2. getTitleBarIcon()
3. getToolTipBackground()
4. getToolTipBackground()
5. getToolTipForeground()
6. getUIDefaultOfClass(Class clazz, String property)
7. getUIDefaultsOfClass(String className)
8. getUIDefaultsOfClass(String className)
9. getUIDefaultsOfClass(String className)