| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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 org.apache.harmony.xml.parsers; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.xml.parsers.SAXParser; |
| import org.apache.harmony.xml.ExpatReader; |
| import org.xml.sax.Parser; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXNotRecognizedException; |
| import org.xml.sax.SAXNotSupportedException; |
| import org.xml.sax.XMLReader; |
| import org.xml.sax.helpers.XMLReaderAdapter; |
| |
| /** |
| * A SAX parser based on Expat. |
| */ |
| final class SAXParserImpl extends SAXParser { |
| |
| private Map<String, Boolean> initialFeatures; |
| private XMLReader reader; |
| private Parser parser; |
| |
| SAXParserImpl(Map<String, Boolean> initialFeatures) |
| throws SAXNotRecognizedException, SAXNotSupportedException { |
| this.initialFeatures = initialFeatures.isEmpty() |
| ? Collections.<String, Boolean>emptyMap() |
| : new HashMap<String, Boolean>(initialFeatures); |
| resetInternal(); |
| } |
| |
| private void resetInternal() |
| throws SAXNotSupportedException, SAXNotRecognizedException { |
| reader = new ExpatReader(); |
| for (Map.Entry<String,Boolean> entry : initialFeatures.entrySet()) { |
| reader.setFeature(entry.getKey(), entry.getValue()); |
| } |
| } |
| |
| @Override public void reset() { |
| /* |
| * The exceptions are impossible. If any features are unrecognized or |
| * unsupported, construction of this instance would have failed. |
| */ |
| try { |
| resetInternal(); |
| } catch (SAXNotRecognizedException e) { |
| throw new AssertionError(); |
| } catch (SAXNotSupportedException e) { |
| throw new AssertionError(); |
| } |
| } |
| |
| @Override |
| public Parser getParser() { |
| if (parser == null) { |
| parser = new XMLReaderAdapter(reader); |
| } |
| |
| return parser; |
| } |
| |
| @Override |
| public Object getProperty(String name) throws SAXNotRecognizedException, |
| SAXNotSupportedException { |
| return reader.getProperty(name); |
| } |
| |
| @Override |
| public XMLReader getXMLReader() { |
| return reader; |
| } |
| |
| @Override |
| public boolean isNamespaceAware() { |
| try { |
| return reader.getFeature("http://xml.org/sax/features/namespaces"); |
| } catch (SAXException ex) { |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean isValidating() { |
| return false; |
| } |
| |
| @Override |
| public void setProperty(String name, Object value) |
| throws SAXNotRecognizedException, SAXNotSupportedException { |
| reader.setProperty(name, value); |
| } |
| } |