com.sun.javafx.css.PseudoClassState Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
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package com.sun.javafx.css;
import javafx.css.PseudoClass;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* States represents a set of State. A {@code Node} may be in more than
* one pseudo-class state. {@code States} is used to aggregate the active
* pseudo-class state of a {@code Node}.
*/
public final class PseudoClassState extends BitSet {
/** Create an empty set of PseudoClass */
public PseudoClassState() {
super();
}
PseudoClassState(List pseudoClassNames) {
super();
int nMax = pseudoClassNames != null ? pseudoClassNames.size() : 0;
for(int n=0; n T[] toArray(T[] a) {
if (a.length < size()) {
a = (T[]) new PseudoClass[size()];
}
int index = 0;
while(index < getBits().length) {
final long state = getBits()[index];
for(int bit=0; bit strings = new ArrayList();
Iterator iter = iterator();
while (iter.hasNext()) {
strings.add(iter.next().getPseudoClassName());
}
return strings.toString();
}
@Override
protected PseudoClass cast(Object o) {
if (o == null) {
throw new NullPointerException("null arg");
}
PseudoClass pseudoClass = (PseudoClass) o;
return pseudoClass;
}
@Override
protected PseudoClass getT(int index) {
return getPseudoClass(index);
}
@Override
protected int getIndex(PseudoClass t) {
if (t instanceof PseudoClassImpl) {
return ((PseudoClassImpl)t).getIndex();
}
final String pseudoClass = t.getPseudoClassName();
Integer index = pseudoClassMap.get(pseudoClass);
if (index == null) {
index = Integer.valueOf(pseudoClasses.size());
pseudoClasses.add(new PseudoClassImpl(pseudoClass, index.intValue()));
pseudoClassMap.put(pseudoClass, index);
}
return index.intValue();
}
/**
* @see javafx.css.PseudoClass#getPseudoClass(String)
*/
public static PseudoClass getPseudoClass(String pseudoClass) {
if (pseudoClass == null || pseudoClass.trim().isEmpty()) {
throw new IllegalArgumentException("pseudoClass cannot be null or empty String");
}
PseudoClass instance = null;
final Integer value = pseudoClassMap.get(pseudoClass);
final int index = value != null ? value.intValue() : -1;
final int size = pseudoClasses.size();
assert index < size;
if (index != -1 && index < size) {
instance = pseudoClasses.get(index);
}
if (instance == null) {
instance = new PseudoClassImpl(pseudoClass, size);
pseudoClasses.add(instance);
pseudoClassMap.put(pseudoClass, Integer.valueOf(size));
}
return instance;
}
static PseudoClass getPseudoClass(int index) {
if (0 <= index && index < pseudoClasses.size()) {
return pseudoClasses.get(index);
}
return null;
}
// package private for unit test purposes
static final Map pseudoClassMap =
new HashMap(64);
static final List pseudoClasses =
new ArrayList();
}