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/*
* Copyright 2004-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package sun.jvm.hotspot.utilities.soql;
import java.util.*;
import sun.jvm.hotspot.oops.*;
/**
This is JavaScript wrapper for Java List.
*/
public class JSList extends DefaultScriptObject {
public JSList(List list, JSJavaFactory fac) {
this.list = list;
this.factory = fac;
}
public Object get(String name) {
if (name.equals("length")) {
return new Integer(list.size());
} else {
return super.get(name);
}
}
public Object get(int index) {
if (isInRange(index)) {
Object item = list.get(index);
return wrapObject(item);
} else {
return super.get(index);
}
}
public Object[] getIds() {
Object[] superIds = super.getIds();
final int size = list.size();
Object[] res = new Object[superIds.length + size];
for (int i = 0; i < size; i++) {
res[i] = new Integer(i);
}
System.arraycopy(superIds, 0, res, size, superIds.length);
return res;
}
public boolean has(String name) {
if (name.equals("length")) {
return true;
} else {
return super.has(name);
}
}
public boolean has(int index) {
if (isInRange(index)) {
return true;
} else {
return super.has(index);
}
}
public void put(String name, Object value) {
if (! name.equals("length")) {
super.put(name, value);
}
}
public void put(int index, Object value) {
if (! isInRange(index)) {
super.put(index, value);
}
}
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append('[');
for (Iterator itr = list.iterator(); itr.hasNext();) {
buf.append(wrapObject(itr.next()));
if (itr.hasNext()) {
buf.append(", ");
}
}
buf.append(']');
return buf.toString();
}
//-- Internals only below this point
private boolean isInRange(int index) {
return index >= 0 && index < list.size();
}
private Object wrapObject(Object obj) {
return factory.newJSJavaWrapper(obj);
}
private final List list;
private final JSJavaFactory factory;
}
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