/*
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.org.apache.xerces.internal.util;
import com.sun.org.apache.xerces.internal.xni.Augmentations;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
/**
* This class provides an implementation for Augmentations interface.
* Augmentations interface defines a map of additional data that could
* be passed along the document pipeline. The information can contain extra
* arguments or infoset augmentations, for example PSVI. This additional
* information is identified by a String key.
*
*
* @author Elena Litani, IBM
* @LastModified: Oct 2017
*/
public class AugmentationsImpl implements Augmentations{
private AugmentationsItemsContainer fAugmentationsContainer =
new SmallContainer();
/**
* Add additional information identified by a key to the Augmentations structure.
*
* @param key Identifier, can't be null
* @param item Additional information
*
* @return the previous value of the specified key in the Augmentations strucutre,
* or null if it did not have one.
*/
public Object putItem (String key, Object item){
Object oldValue = fAugmentationsContainer.putItem(key, item);
if (oldValue == null && fAugmentationsContainer.isFull()) {
fAugmentationsContainer = fAugmentationsContainer.expand();
}
return oldValue;
}
/**
* Get information identified by a key from the Augmentations structure
*
* @param key Identifier, can't be null
*
* @return the value to which the key is mapped in the Augmentations structure;
* null if the key is not mapped to any value.
*/
public Object getItem(String key){
return fAugmentationsContainer.getItem(key);
}
/**
* Remove additional info from the Augmentations structure
*
* @param key Identifier, can't be null
*/
public Object removeItem (String key){
return fAugmentationsContainer.removeItem(key);
}
/**
* Returns an enumeration of the keys in the Augmentations structure
*
*/
public Enumeration