author | Jaroslav Tulach <jaroslav.tulach@apidesign.org> |
Wed, 05 Dec 2012 09:31:36 +0100 | |
branch | reflection |
changeset 265 | 20c55abd6748 |
parent 106 | 346633cd13d6 |
child 1505 | 706b66d8c481 |
permissions | -rw-r--r-- |
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/** |
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* Back 2 Browser Bytecode Translator |
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, version 2 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. Look for COPYING file in the top folder. |
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* If not, see http://opensource.org/licenses/GPL-2.0. |
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*/ |
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package org.apidesign.bck2brwsr.htmlpage; |
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|
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.Collections; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.TreeMap; |
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import javax.xml.parsers.DocumentBuilder; |
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import javax.xml.parsers.DocumentBuilderFactory; |
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import org.w3c.dom.Document; |
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import org.w3c.dom.Element; |
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import org.w3c.dom.Node; |
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import org.w3c.dom.NodeList; |
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|
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class ProcessPage { |
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private final Map<String,String> ids2Elems = new TreeMap<String, String>(); |
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|
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public Set<String> ids() { |
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return Collections.unmodifiableSet(ids2Elems.keySet()); |
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} |
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|
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public String tagNameForId(String id) { |
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return ids2Elems.get(id); |
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} |
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|
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public static ProcessPage readPage(InputStream is) throws IOException { |
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DocumentBuilderFactory f = DocumentBuilderFactory.newInstance(); |
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f.setValidating(false); |
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f.setIgnoringComments(true); |
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|
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Document doc = null; |
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try { |
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DocumentBuilder b = f.newDocumentBuilder(); |
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doc = b.parse(is); |
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} catch (IOException ex) { |
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throw ex; |
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} catch (Exception e) { |
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throw new IOException(e); |
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} |
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Element root = doc.getDocumentElement(); |
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|
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ProcessPage pp = new ProcessPage(); |
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pp.seekForIds(root); |
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return pp; |
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} |
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|
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private void seekForIds(Element e) { |
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String val = e.getAttribute("id"); |
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if (val != null && !val.isEmpty()) { |
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String prev = ids2Elems.put(val, e.getTagName()); |
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} |
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NodeList arr = e.getChildNodes(); |
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for (int i = 0; i < arr.getLength(); i++) { |
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final Node n = arr.item(i); |
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if (n instanceof Element) { |
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seekForIds((Element)n); |
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} |
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} |
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} |
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} |