001package ball.xml;
002/*-
003 * ##########################################################################
004 * Utilities
005 * $Id: FluentDocumentBuilderFactory.java 5855 2020-04-27 20:01:17Z ball $
006 * $HeadURL: svn+ssh://svn.hcf.dev/var/spool/scm/repository.svn/ball-util/trunk/src/main/java/ball/xml/FluentDocumentBuilderFactory.java $
007 * %%
008 * Copyright (C) 2008 - 2020 Allen D. Ball
009 * %%
010 * Licensed under the Apache License, Version 2.0 (the "License");
011 * you may not use this file except in compliance with the License.
012 * You may obtain a copy of the License at
013 *
014 *      http://www.apache.org/licenses/LICENSE-2.0
015 *
016 * Unless required by applicable law or agreed to in writing, software
017 * distributed under the License is distributed on an "AS IS" BASIS,
018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
019 * See the License for the specific language governing permissions and
020 * limitations under the License.
021 * ##########################################################################
022 */
023import javax.xml.parsers.DocumentBuilderFactory;
024import javax.xml.parsers.FactoryConfigurationError;
025import javax.xml.parsers.ParserConfigurationException;
026import lombok.ToString;
027
028import static java.util.Objects.requireNonNull;
029
030/**
031 * {@link FluentDocument.Builder} {@link DocumentBuilderFactory}.
032 *
033 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball}
034 * @version $Revision: 5855 $
035 */
036@ToString
037public class FluentDocumentBuilderFactory extends DocumentBuilderFactory {
038    private final DocumentBuilderFactory factory;
039
040    /**
041     * See {@link DocumentBuilderFactory#newInstance()}.
042     *
043     * @return  {@link FluentDocumentBuilderFactory}
044     */
045    public static FluentDocumentBuilderFactory newInstance() throws FactoryConfigurationError {
046        return new FluentDocumentBuilderFactory();
047    }
048
049    /**
050     * See {@link DocumentBuilderFactory#newInstance(String,ClassLoader)}.
051     *
052     * @param   name            The {@link Class} name.
053     * @param   loader          The {@link ClassLoader}.
054     *
055     * @return  {@link FluentDocumentBuilderFactory}
056     */
057    public static FluentDocumentBuilderFactory newInstance(String name,
058                                                           ClassLoader loader) throws FactoryConfigurationError {
059        DocumentBuilderFactory factory =
060            DocumentBuilderFactory.newInstance(name, loader);
061
062        if (! (factory instanceof FluentDocumentBuilderFactory)) {
063            factory = new FluentDocumentBuilderFactory(factory);
064        }
065
066        return (FluentDocumentBuilderFactory) factory;
067    }
068
069    /**
070     * Sole public constructor.
071     */
072    public FluentDocumentBuilderFactory() throws FactoryConfigurationError {
073        this(DocumentBuilderFactory.newInstance());
074    }
075
076    private FluentDocumentBuilderFactory(DocumentBuilderFactory factory) {
077        super();
078
079        this.factory = requireNonNull(factory);
080    }
081
082    @Override
083    public void setAttribute(String name,
084                             Object value) throws IllegalArgumentException {
085        factory.setAttribute(name, value);
086    }
087
088    @Override
089    public Object getAttribute(String name) throws IllegalArgumentException {
090        return factory.getAttribute(name);
091    }
092
093    @Override
094    public FluentDocument.Builder newDocumentBuilder() throws ParserConfigurationException {
095        return new FluentDocument.Builder(factory.newDocumentBuilder());
096    }
097
098    @Override
099    public void setFeature(String name,
100                           boolean value) throws ParserConfigurationException {
101        factory.setFeature(name, value);
102    }
103
104    @Override
105    public boolean getFeature(String name) throws ParserConfigurationException {
106        return factory.getFeature(name);
107    }
108}