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/*
* 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.HashMap;
import java.util.Map;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.SAXNotRecognizedException;
/**
* Provides a straightforward SAXParserFactory implementation based on
* Expat. The class is used internally only, thus only notable members
* that are not already in the abstract superclass are documented.
*/
public class SAXParserFactoryImpl extends SAXParserFactory {
private static final String NAMESPACES
= "http://xml.org/sax/features/namespaces";
private static final String VALIDATION
= "http://xml.org/sax/features/validation";
private Map<String, Boolean> features = new HashMap<String, Boolean>();
@Override
public boolean getFeature(String name) throws SAXNotRecognizedException {
if (name == null) {
throw new NullPointerException("name == null");
}
if (!name.startsWith("http://xml.org/sax/features/")) {
throw new SAXNotRecognizedException(name);
}
return Boolean.TRUE.equals(features.get(name));
}
@Override
public boolean isNamespaceAware() {
try {
return getFeature(NAMESPACES);
} catch (SAXNotRecognizedException ex) {
throw new AssertionError(ex);
}
}
@Override
public boolean isValidating() {
try {
return getFeature(VALIDATION);
} catch (SAXNotRecognizedException ex) {
throw new AssertionError(ex);
}
}
@Override
public SAXParser newSAXParser() throws ParserConfigurationException {
if (isValidating()) {
throw new ParserConfigurationException(
"No validating SAXParser implementation available");
}
try {
return new SAXParserImpl(features);
} catch (Exception ex) {
throw new ParserConfigurationException(ex.toString());
}
}
@Override
public void setFeature(String name, boolean value) throws SAXNotRecognizedException {
if (name == null) {
throw new NullPointerException("name == null");
}
if (!name.startsWith("http://xml.org/sax/features/")) {
throw new SAXNotRecognizedException(name);
}
if (value) {
features.put(name, Boolean.TRUE);
} else {
// This is needed to disable features that are enabled by default.
features.put(name, Boolean.FALSE);
}
}
@Override
public void setNamespaceAware(boolean value) {
try {
setFeature(NAMESPACES, value);
} catch (SAXNotRecognizedException ex) {
throw new AssertionError(ex);
}
}
@Override
public void setValidating(boolean value) {
try {
setFeature(VALIDATION, value);
} catch (SAXNotRecognizedException ex) {
throw new AssertionError(ex);
}
}
}
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