3 * Copyright © 2014 František Kučera (frantovo.cz)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package cz.frantovo.alt2xml;
20 import cz.frantovo.alt2xml.in.Alt2ContentHandler;
21 import java.io.IOException;
22 import java.util.HashMap;
24 import org.xml.sax.ContentHandler;
25 import org.xml.sax.DTDHandler;
26 import org.xml.sax.EntityResolver;
27 import org.xml.sax.ErrorHandler;
28 import org.xml.sax.InputSource;
29 import org.xml.sax.SAXException;
30 import org.xml.sax.SAXNotRecognizedException;
31 import org.xml.sax.SAXNotSupportedException;
32 import org.xml.sax.XMLReader;
35 * Recommended base class for all alternative format readers.
37 * @author Ing. František Kučera (frantovo.cz)
39 public abstract class AbstractAlt2XmlReader implements XMLReader {
41 private static final String PROPERTY_BASE_URL = "https://alt2xml.globalcode.info/sax-property/";
42 protected Alt2ContentHandler contentHandler;
43 protected ErrorHandler errorHandler;
44 protected DTDHandler dtdHandler;
45 protected EntityResolver entityResolver;
46 protected Map<String, Object> properties = new HashMap<>();
47 protected Map<String, Boolean> features = new HashMap<>();
50 public void parse(String systemId) throws IOException, SAXException {
51 parse(new InputSource(systemId));
55 public boolean getFeature(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
58 * All XMLReaders are required to recognize
59 * the http://xml.org/sax/features/namespaces
60 * and the http://xml.org/sax/features/namespace-prefixes feature names.
62 Boolean feature = features.get(name);
63 return feature == null ? false : feature;
67 public void setFeature(String name, boolean value) throws SAXNotRecognizedException, SAXNotSupportedException {
69 * TODO: filtrovat – povolit jen náš jmenný prostor
71 features.put(name, value);
76 * @param readerId should be [a-z0-9] and same as specific part of the module/project name (e.g.
77 * alt2xml-in-properties → properties)
78 * @param propertyId should be [a-z0-9-] and unique per module/reader
81 protected static String constructPropertyName(String readerId, String propertyId) {
82 return PROPERTY_BASE_URL + readerId + "/" + propertyId;
86 public Object getProperty(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
87 return properties.get(name);
91 public void setProperty(String name, Object value) throws SAXNotRecognizedException, SAXNotSupportedException {
92 properties.put(name, value);
96 public void setEntityResolver(EntityResolver entityResolver) {
97 this.entityResolver = entityResolver;
101 public EntityResolver getEntityResolver() {
102 return entityResolver;
106 public void setDTDHandler(DTDHandler dtdHandler) {
107 this.dtdHandler = dtdHandler;
111 public DTDHandler getDTDHandler() {
116 public void setContentHandler(ContentHandler contentHandler) {
117 this.contentHandler = new Alt2ContentHandler(contentHandler);
121 public Alt2ContentHandler getContentHandler() {
122 return contentHandler;
126 public void setErrorHandler(ErrorHandler errorHandler) {
127 this.errorHandler = errorHandler;
131 public ErrorHandler getErrorHandler() {