Moving the htmlpage API into a submodule in preparation of adding in an example of its usage
2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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, version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. Look for COPYING file in the top folder.
16 * If not, see http://opensource.org/licenses/GPL-2.0.
18 package org.apidesign.bck2brwsr.htmlpage;
20 import java.io.IOException;
21 import java.io.InputStream;
22 import java.util.Collections;
25 import java.util.TreeMap;
26 import javax.xml.parsers.DocumentBuilder;
27 import javax.xml.parsers.DocumentBuilderFactory;
28 import org.w3c.dom.Document;
29 import org.w3c.dom.Element;
30 import org.w3c.dom.Node;
31 import org.w3c.dom.NodeList;
34 private final Map<String,String> ids2Elems = new TreeMap<String, String>();
36 public Set<String> ids() {
37 return Collections.unmodifiableSet(ids2Elems.keySet());
40 public String tagNameForId(String id) {
41 return ids2Elems.get(id);
44 public static ProcessPage readPage(InputStream is) throws IOException {
45 DocumentBuilderFactory f = DocumentBuilderFactory.newInstance();
46 f.setValidating(false);
47 f.setIgnoringComments(true);
51 DocumentBuilder b = f.newDocumentBuilder();
53 } catch (IOException ex) {
55 } catch (Exception e) {
56 throw new IOException(e);
58 Element root = doc.getDocumentElement();
60 ProcessPage pp = new ProcessPage();
65 private void seekForIds(Element e) {
66 String val = e.getAttribute("id");
67 if (val != null && !val.isEmpty()) {
68 String prev = ids2Elems.put(val, e.getTagName());
70 NodeList arr = e.getChildNodes();
71 for (int i = 0; i < arr.getLength(); i++) {
72 final Node n = arr.item(i);
73 if (n instanceof Element) {
74 seekForIds((Element)n);