/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package javax.swing;import java.util.Enumeration;import java.util.HashSet;import java.util.Iterator;import java.util.Locale;import java.util.Map.Entry;import java.util.Set;/** * * @author Hans Muller */class MultiUIDefaults extends UIDefaults{ private UIDefaults[] tables; public MultiUIDefaults(UIDefaults[] defaults) { super(); tables = defaults; } public MultiUIDefaults() { super(); tables = new UIDefaults[0]; } @Override public Object get(Object key) { Object value = super.get(key); if (value != null) { return value; } for (UIDefaults table : tables) { value = (table != null) ? table.get(key) : null; if (value != null) { return value; } } return null; } @Override public Object get(Object key, Locale l) { Object value = super.get(key,l); if (value != null) { return value; } for (UIDefaults table : tables) { value = (table != null) ? table.get(key,l) : null; if (value != null) { return value; } } return null; } @Override public int size() { return entrySet().size(); } @Override public boolean isEmpty() { return size() == 0; } @Override public Enumeration<Object> keys() { return new MultiUIDefaultsEnumerator( MultiUIDefaultsEnumerator.Type.KEYS, entrySet()); } @Override public Enumeration<Object> elements() { return new MultiUIDefaultsEnumerator( MultiUIDefaultsEnumerator.Type.ELEMENTS, entrySet()); } @Override public Set<Entry<Object, Object>> entrySet() { Set<Entry<Object, Object>> set = new HashSet<Entry<Object, Object>>(); for (int i = tables.length - 1; i >= 0; i--) { if (tables[i] != null) { set.addAll(tables[i].entrySet()); } } set.addAll(super.entrySet()); return set; } @Override protected void getUIError(String msg) { if (tables.length > 0) { tables[0].getUIError(msg); } else { super.getUIError(msg); } } private static class MultiUIDefaultsEnumerator implements Enumeration<Object> { public static enum Type { KEYS, ELEMENTS }; private Iterator<Entry<Object, Object>> iterator; private Type type; MultiUIDefaultsEnumerator(Type type, Set<Entry<Object, Object>> entries) { this.type = type; this.iterator = entries.iterator(); } public boolean hasMoreElements() { return iterator.hasNext(); } public Object nextElement() { switch (type) { case KEYS: return iterator.next().getKey(); case ELEMENTS: return iterator.next().getValue(); default: return null; } } } @Override public Object remove(Object key) { Object value = null; for (int i = tables.length - 1; i >= 0; i--) { if (tables[i] != null) { Object v = tables[i].remove(key); if (v != null) { value = v; } } } Object v = super.remove(key); if (v != null) { value = v; } return value; } @Override public void clear() { super.clear(); for (UIDefaults table : tables) { if (table != null) { table.clear(); } } } @Override public synchronized String toString() { StringBuffer buf = new StringBuffer(); buf.append("{"); Enumeration keys = keys(); while (keys.hasMoreElements()) { Object key = keys.nextElement(); buf.append(key + "=" + get(key) + ", "); } int length = buf.length(); if (length > 1) { buf.delete(length-2, length); } buf.append("}"); return buf.toString(); }}
/*
* Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.swing;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map.Entry;
import java.util.Set;
/**
*
* @author Hans Muller
*/
class MultiUIDefaults extends UIDefaults
{
private UIDefaults[] tables;
public MultiUIDefaults(UIDefaults[] defaults) {
super();
tables = defaults;
}
public MultiUIDefaults() {
super();
tables = new UIDefaults[0];
}
@Override
public Object get(Object key)
{
Object value = super.get(key);
if (value != null) {
return value;
}
for (UIDefaults table : tables) {
value = (table != null) ? table.get(key) : null;
if (value != null) {
return value;
}
}
return null;
}
@Override
public Object get(Object key, Locale l)
{
Object value = super.get(key,l);
if (value != null) {
return value;
}
for (UIDefaults table : tables) {
value = (table != null) ? table.get(key,l) : null;
if (value != null) {
return value;
}
}
return null;
}
@Override
public int size() {
return entrySet().size();
}
@Override
public boolean isEmpty() {
return size() == 0;
}
@Override
public Enumeration<Object> keys()
{
return new MultiUIDefaultsEnumerator(
MultiUIDefaultsEnumerator.Type.KEYS, entrySet());
}
@Override
public Enumeration<Object> elements()
{
return new MultiUIDefaultsEnumerator(
MultiUIDefaultsEnumerator.Type.ELEMENTS, entrySet());
}
@Override
public Set<Entry<Object, Object>> entrySet() {
Set<Entry<Object, Object>> set = new HashSet<Entry<Object, Object>>();
for (int i = tables.length - 1; i >= 0; i--) {
if (tables[i] != null) {
set.addAll(tables[i].entrySet());
}
}
set.addAll(super.entrySet());
return set;
}
@Override
protected void getUIError(String msg) {
if (tables.length > 0) {
tables[0].getUIError(msg);
} else {
super.getUIError(msg);
}
}
private static class MultiUIDefaultsEnumerator implements Enumeration<Object>
{
public static enum Type { KEYS, ELEMENTS };
private Iterator<Entry<Object, Object>> iterator;
private Type type;
MultiUIDefaultsEnumerator(Type type, Set<Entry<Object, Object>> entries) {
this.type = type;
this.iterator = entries.iterator();
}
public boolean hasMoreElements() {
return iterator.hasNext();
}
public Object nextElement() {
switch (type) {
case KEYS: return iterator.next().getKey();
case ELEMENTS: return iterator.next().getValue();
default: return null;
}
}
}
@Override
public Object remove(Object key)
{
Object value = null;
for (int i = tables.length - 1; i >= 0; i--) {
if (tables[i] != null) {
Object v = tables[i].remove(key);
if (v != null) {
value = v;
}
}
}
Object v = super.remove(key);
if (v != null) {
value = v;
}
return value;
}
@Override
public void clear() {
super.clear();
for (UIDefaults table : tables) {
if (table != null) {
table.clear();
}
}
}
@Override
public synchronized String toString() {
StringBuffer buf = new StringBuffer();
buf.append("{");
Enumeration keys = keys();
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
buf.append(key + "=" + get(key) + ", ");
}
int length = buf.length();
if (length > 1) {
buf.delete(length-2, length);
}
buf.append("}");
return buf.toString();
}
}