/* * Copyright (c) 2005, 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 com.sun.script.util;import java.util.*;import javax.script.Bindings;/* * Abstract super class for Bindings implementations. Handles * global and local scopes. * * @author Mike Grogan * @since 1.6 */public abstract class BindingsImpl extends BindingsBase { //get method delegates to global if key is not defined in //base class or local scope protected Bindings global = null; //get delegates to local scope protected Bindings local = null; public void setGlobal(Bindings n) { global = n; } public void setLocal(Bindings n) { local = n; } public Set<Map.Entry<String, Object>> entrySet() { return new BindingsEntrySet(this); } public Object get(Object key) { checkKey(key); Object ret = null; if ((local != null) && (null != (ret = local.get(key)))) { return ret; } ret = getImpl((String)key); if (ret != null) { return ret; } else if (global != null) { return global.get(key); } else { return null; } } public Object remove(Object key) { checkKey(key); Object ret = get(key); if (ret != null) { removeImpl((String)key); } return ret; }}
/*
* Copyright (c) 2005, 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 com.sun.script.util;
import java.util.*;
import javax.script.Bindings;
/*
* Abstract super class for Bindings implementations. Handles
* global and local scopes.
*
* @author Mike Grogan
* @since 1.6
*/
public abstract class BindingsImpl extends BindingsBase {
//get method delegates to global if key is not defined in
//base class or local scope
protected Bindings global = null;
//get delegates to local scope
protected Bindings local = null;
public void setGlobal(Bindings n) {
global = n;
}
public void setLocal(Bindings n) {
local = n;
}
public Set<Map.Entry<String, Object>> entrySet() {
return new BindingsEntrySet(this);
}
public Object get(Object key) {
checkKey(key);
Object ret = null;
if ((local != null) && (null != (ret = local.get(key)))) {
return ret;
}
ret = getImpl((String)key);
if (ret != null) {
return ret;
} else if (global != null) {
return global.get(key);
} else {
return null;
}
}
public Object remove(Object key) {
checkKey(key);
Object ret = get(key);
if (ret != null) {
removeImpl((String)key);
}
return ret;
}
}