/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.xml.security.stax.config;
import org.apache.xml.security.exceptions.XMLSecurityException;
import org.apache.xml.security.stax.ext.XMLSecurityConfigurationException;
import org.apache.xml.security.utils.ClassLoaderUtils;
import org.apache.xml.security.utils.I18n;
import org.apache.xml.security.configuration.ConfigurationType;
import org.apache.xml.security.configuration.ObjectFactory;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.UnmarshallerHandler;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import java.net.URI;
import java.net.URL;
/**
* Class to load the algorithms-mappings from a configuration file.
* After the initialization the mapping is available through the JCEAlgorithmMapper
*
* @author $Author: coheigea $
* @version $Revision: 1584089 $ $Date: 2014-04-02 17:46:35 +0100 (Wed, 02 Apr 2014) $
*/
public class Init {
private static URI initialized = null;
@SuppressWarnings("unchecked")
public static synchronized void init(URI uri, Class<?> callingClass) throws XMLSecurityException {
if (initialized == null || uri != null && !uri.equals(initialized)) {
try {
JAXBContext jaxbContext = JAXBContext.newInstance(ObjectFactory.class);
final Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
Schema schema = schemaFactory.newSchema(
ClassLoaderUtils.getResource("schemas/security-config.xsd", Init.class));
unmarshaller.setSchema(schema);
final UnmarshallerHandler unmarshallerHandler = unmarshaller.getUnmarshallerHandler();
SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
saxParserFactory.setXIncludeAware(false);
saxParserFactory.setNamespaceAware(true);
SAXParser saxParser = saxParserFactory.newSAXParser();
if (uri == null) {
URL resource = ClassLoaderUtils.getResource("security-config.xml", Init.class);
if (resource == null) {
//kind of chicken-egg problem here
I18n.init("en", "US");
throw new XMLSecurityConfigurationException("empty", "security-config.xml not found in classpath");
}
uri = resource.toURI();
}
saxParser.parse(uri.toURL().toExternalForm(), new XIncludeHandler(unmarshallerHandler));
JAXBElement<ConfigurationType> configurationTypeJAXBElement = (JAXBElement<ConfigurationType>) unmarshallerHandler.getResult();
ConfigurationProperties.init(configurationTypeJAXBElement.getValue().getProperties(), callingClass);
SecurityHeaderHandlerMapper.init(configurationTypeJAXBElement.getValue().getSecurityHeaderHandlers(), callingClass);
JCEAlgorithmMapper.init(configurationTypeJAXBElement.getValue().getJCEAlgorithmMappings());
TransformerAlgorithmMapper.init(configurationTypeJAXBElement.getValue().getTransformAlgorithms(), callingClass);
ResourceResolverMapper.init(configurationTypeJAXBElement.getValue().getResourceResolvers(), callingClass);
I18n.init(ConfigurationProperties.getProperty("DefaultLanguageCode"), ConfigurationProperties.getProperty("DefaultCountryCode"));
} catch (Exception e) {
//kind of chicken-egg problem here
I18n.init("en", "US");
throw new XMLSecurityConfigurationException(e);
}
initialized = uri;
}
}
}