/*
* Copyright 2009, Richard Eckart de Castilho
* Copyright 2012, Ubiquitous Knowledge Processing (UKP) Lab
* Technische Universität Darmstadt
*
* Licensed 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 de.tudarmstadt.ukp.dkpro.core.io.pdf;
import java.io.IOException;
import java.io.InputStream;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;
public
class SubstitutionTrieParser
extends DefaultHandler
{
private final Trie<String> _trie;
private
SubstitutionTrieParser(
final Trie<String> trie)
{
_trie = trie;
}
@Override
public
void startElement(
final String uri,
final String localName,
final String qName,
final Attributes attributes)
throws SAXException
{
if (localName.equals("substitution")) {
_trie.put(
attributes.getValue("orig"),
attributes.getValue("subst"));
}
}
public static
Trie<String> parse(
final InputStream is)
throws IOException
{
final Trie<String> trie = new Trie<String>();
parse(is, trie);
return trie;
}
public static
void parse(
final InputStream is,
final Trie<String> trie)
throws IOException
{
try {
final XMLReader xr = XMLReaderFactory.createXMLReader();
final SubstitutionTrieParser sp = new SubstitutionTrieParser(trie);
xr.setContentHandler(sp);
xr.parse(new InputSource(is));
}
catch (final SAXException e) {
throw new IOException(e);
}
}
};