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/**
 * 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 org.apache.wss4j.stax.ext;

import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

/**
 * A default (inefficient) implementation of DocumentCreator which creates a new DocumentBuilderFactory
 * implementation per-instance of this class. CXF instead uses a lambda to call the CXF DomUtils class
 * to create a new document, which maintains a cache of DocumentBuilders keyed off the classloader.
 */
public class DocumentCreatorImpl implements DocumentCreator {

    private final DocumentBuilderFactory documentBuilderFactory;

    public DocumentCreatorImpl() throws ParserConfigurationException {
        documentBuilderFactory = DocumentBuilderFactory.newInstance();
        documentBuilderFactory.setNamespaceAware(true);
        documentBuilderFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        documentBuilderFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
    }

    public Document newDocument() throws ParserConfigurationException {
        return documentBuilderFactory.newDocumentBuilder().newDocument();
    }
}