/*
* 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.karaf.jaas.config.impl;
import java.net.URL;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.CharacterData;
import org.w3c.dom.Comment;
import org.w3c.dom.EntityReference;
import org.osgi.service.blueprint.container.ComponentDefinitionException;
import org.osgi.service.blueprint.reflect.ComponentMetadata;
import org.osgi.service.blueprint.reflect.ValueMetadata;
import org.osgi.service.blueprint.reflect.RefMetadata;
import org.osgi.service.blueprint.reflect.Metadata;
import org.apache.karaf.jaas.config.JaasRealm;
import org.apache.karaf.jaas.config.KeystoreInstance;
import org.apache.karaf.jaas.boot.ProxyLoginModule;
import org.apache.aries.blueprint.mutable.MutableBeanMetadata;
import org.apache.aries.blueprint.mutable.MutableValueMetadata;
import org.apache.aries.blueprint.mutable.MutableRefMetadata;
import org.apache.aries.blueprint.mutable.MutableCollectionMetadata;
import org.apache.aries.blueprint.mutable.MutableServiceMetadata;
import org.apache.aries.blueprint.ParserContext;
public class NamespaceHandler implements org.apache.aries.blueprint.NamespaceHandler {
public URL getSchemaLocation(String namespace) {
return getClass().getResource("/org/apache/karaf/jaas/config/karaf-jaas.xsd");
}
public Set<Class> getManagedClasses() {
return new HashSet<Class>(Arrays.asList(
Config.class,
ResourceKeystoreInstance.class
));
}
public Metadata parse(Element element, ParserContext context) {
String name = element.getLocalName() != null ? element.getLocalName() : element.getNodeName();
if ("config".equals(name)) {
return parseConfig(element, context);
} else if ("keystore".equals(name)) {
return parseKeystore(element, context);
}
throw new ComponentDefinitionException("Bad xml syntax: unknown element '" + name + "'");
}
public ComponentMetadata decorate(Node node, ComponentMetadata component, ParserContext context) {
throw new ComponentDefinitionException("Bad xml syntax: node decoration is not supported");
}
public ComponentMetadata parseConfig(Element element, ParserContext context) {
MutableBeanMetadata bean = context.createMetadata(MutableBeanMetadata.class);
bean.setRuntimeClass(Config.class);
String name = element.getAttribute("name");
bean.addProperty("bundleContext", createRef(context, "blueprintBundleContext"));
bean.addProperty("name", createValue(context, name));
String rank = element.getAttribute("rank");
if (rank != null && rank.length() > 0) {
bean.addProperty("rank", createValue(context, rank));
}
NodeList childElements = element.getElementsByTagNameNS("http://karaf.apache.org/xmlns/jaas/v1.0.0", "module");
if (childElements != null && childElements.getLength() > 0) {
MutableCollectionMetadata children = context.createMetadata(MutableCollectionMetadata.class);
for (int i = 0; i < childElements.getLength(); ++i) {
Element childElement = (Element) childElements.item(i);
MutableBeanMetadata md = context.createMetadata(MutableBeanMetadata.class);
md.setRuntimeClass(Module.class);
md.addProperty("className", createValue(context, childElement.getAttribute("className")));
if (childElement.getAttribute("flags") != null) {
md.addProperty("flags", createValue(context, childElement.getAttribute("flags")));
}
String options = getTextValue(childElement);
if (options != null && options.length() > 0) {
md.addProperty("options", createValue(context, options));
}
children.addValue(md);
}
bean.addProperty("modules", children);
}
// Publish Config
MutableServiceMetadata service = context.createMetadata(MutableServiceMetadata.class);
service.setId(name);
service.setServiceComponent(bean);
service.addInterface(JaasRealm.class.getName());
service.addServiceProperty(createValue(context, ProxyLoginModule.PROPERTY_MODULE), createValue(context, name));
return service;
}
public ComponentMetadata parseKeystore(Element element, ParserContext context) {
MutableBeanMetadata bean = context.createMetadata(MutableBeanMetadata.class);
bean.setRuntimeClass(ResourceKeystoreInstance.class);
// Parse name
String name = element.getAttribute("name");
bean.addProperty("name", createValue(context, name));
// Parse rank
String rank = element.getAttribute("rank");
if (rank != null && rank.length() > 0) {
bean.addProperty("rank", createValue(context, rank));
}
// Parse path
String path = element.getAttribute("path");
if (path != null && path.length() > 0) {
bean.addProperty("path", createValue(context, path));
}
// Parse keystorePassword
String keystorePassword = element.getAttribute("keystorePassword");
if (keystorePassword != null && keystorePassword.length() > 0) {
bean.addProperty("keystorePassword", createValue(context, keystorePassword));
}
// Parse keyPasswords
String keyPasswords = element.getAttribute("keyPasswords");
if (keyPasswords != null && keyPasswords.length() > 0) {
bean.addProperty("keyPasswords", createValue(context, keyPasswords));
}
// Publish Config
MutableServiceMetadata service = context.createMetadata(MutableServiceMetadata.class);
service.setId(name);
service.setServiceComponent(bean);
service.addInterface(KeystoreInstance.class.getName());
return service;
}
private ValueMetadata createValue(ParserContext context, String value) {
MutableValueMetadata v = context.createMetadata(MutableValueMetadata.class);
v.setStringValue(value);
return v;
}
private RefMetadata createRef(ParserContext context, String value) {
MutableRefMetadata r = context.createMetadata(MutableRefMetadata.class);
r.setComponentId(value);
return r;
}
private static String getTextValue(Element element) {
StringBuffer value = new StringBuffer();
NodeList nl = element.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node item = nl.item(i);
if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
value.append(item.getNodeValue());
}
}
return value.toString();
}
}