Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSList.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSList.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,120 @@ +/* + * 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; +}