/*
* Copyright ( c ) 2007 , 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 .
*
* 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 .
*/
/*
* @ test
* @ bug 6187118
* @ summary Tests encoding of immutable list that creates itself
* @ run main / othervm - Djava . security . manager = allow Test6187118
* @ author Sergey Malenkov
*/
import java.beans.Encoder;
import java.beans.Expression;
import java.beans.PersistenceDelegate;
import java.beans.XMLEncoder;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
public final class Test6187118 extends AbstractTest {
public static void main(String[] args) {
new Test6187118().test(true );
}
protected ImmutableList<String> getObject() {
return new ImmutableList<String>();
}
protected ImmutableList<String> getAnotherObject() {
return new ImmutableList<String>().add("1" ).add("2" ).add("3" ).add("4" );
}
protected void initialize(XMLEncoder encoder) {
encoder.setPersistenceDelegate(
ImmutableList.class ,
new PersistenceDelegate() {
protected boolean mutatesTo(Object oldInstance, Object newInstance) {
return oldInstance.equals(newInstance);
}
protected Expression instantiate(Object oldInstance, Encoder out) {
ImmutableList list = (ImmutableList) oldInstance;
if (!list.hasEntries()) {
return getExpression(oldInstance, ImmutableList.class , "new" );
}
Object object = list.getLast();
ImmutableList shortenedList = list.removeLast();
return getExpression(oldInstance, shortenedList, "add" , object);
}
private Expression getExpression(Object value, Object target, String method, Object... args) {
return new Expression(value, target, method, args);
}
}
);
}
public static final class ImmutableList<T> implements Iterable {
private final List<T> list = new ArrayList<T>();
public ImmutableList() {
}
private ImmutableList(Iterable<T> iterable) {
for (T object : iterable) {
this .list.add(object);
}
}
public Iterator<T> iterator() {
return Collections.unmodifiableList(this .list).iterator();
}
public ImmutableList<T> add(T object) {
ImmutableList<T> list = new ImmutableList<T>(this .list);
list.list.add(object);
return list;
}
public ImmutableList<T> removeLast() {
ImmutableList<T> list = new ImmutableList<T>(this .list);
int size = list.list.size();
if (0 < size) {
list.list.remove(size - 1 );
}
return list;
}
public T getLast() {
int size = this .list.size();
return (0 < size)
? this .list.get(size - 1 )
: null ;
}
public boolean hasEntries() {
return 0 < this .list.size();
}
public boolean equals(Object object) {
if (object instanceof ImmutableList) {
ImmutableList list = (ImmutableList) object;
return this .list.equals(list.list);
}
return false ;
}
public int hashCode() {
return this .list.hashCode();
}
public String toString() {
return this .list.toString();
}
}
}
Messung V0.5 in Prozent C=96 H=95 G=95
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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