/* * 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 javax.script.Bindings;import java.util.Map;import java.util.AbstractMap;/** * Abstract super class for Bindings implementations * * @author Mike Grogan * @since 1.6 */public abstract class BindingsBase extends AbstractMap<String, Object> implements Bindings { //AbstractMap methods public Object get(Object name) { checkKey(name); return getImpl((String)name); } public Object remove(Object key) { checkKey(key); return removeImpl((String)key); } public Object put(String key, Object value) { checkKey(key); return putImpl(key, value); } public void putAll(Map<? extends String, ? extends Object> toMerge) { for (Map.Entry<? extends String, ? extends Object> entry : toMerge.entrySet()) { String key = entry.getKey(); checkKey(key); putImpl(entry.getKey(), entry.getValue()); } } //BindingsBase methods public abstract Object putImpl(String name, Object value); public abstract Object getImpl(String name); public abstract Object removeImpl(String name); public abstract String[] getNames(); protected void checkKey(Object key) { if (key == null) { throw new NullPointerException("key can not be null"); } if (!(key instanceof String)) { throw new ClassCastException("key should be String"); } if (key.equals("")) { throw new IllegalArgumentException("key can not be empty"); } }}
/*
* 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 javax.script.Bindings;
import java.util.Map;
import java.util.AbstractMap;
/**
* Abstract super class for Bindings implementations
*
* @author Mike Grogan
* @since 1.6
*/
public abstract class BindingsBase extends AbstractMap<String, Object>
implements Bindings {
//AbstractMap methods
public Object get(Object name) {
checkKey(name);
return getImpl((String)name);
}
public Object remove(Object key) {
checkKey(key);
return removeImpl((String)key);
}
public Object put(String key, Object value) {
checkKey(key);
return putImpl(key, value);
}
public void putAll(Map<? extends String, ? extends Object> toMerge) {
for (Map.Entry<? extends String, ? extends Object> entry : toMerge.entrySet()) {
String key = entry.getKey();
checkKey(key);
putImpl(entry.getKey(), entry.getValue());
}
}
//BindingsBase methods
public abstract Object putImpl(String name, Object value);
public abstract Object getImpl(String name);
public abstract Object removeImpl(String name);
public abstract String[] getNames();
protected void checkKey(Object key) {
if (key == null) {
throw new NullPointerException("key can not be null");
}
if (!(key instanceof String)) {
throw new ClassCastException("key should be String");
}
if (key.equals("")) {
throw new IllegalArgumentException("key can not be empty");
}
}
}