/*
* 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.activemq.artemis.core.config;
import javax.management.MBeanServer;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.activemq.artemis.core.deployers.Deployable;
import org.apache.activemq.artemis.core.server.ActiveMQComponent;
import org.apache.activemq.artemis.spi.core.security.ActiveMQSecurityManager;
import org.apache.activemq.artemis.utils.XMLUtil;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* ised to build a set of ActiveMQComponents from a set of Deployables pulled out of the configuration file
*/
public class FileDeploymentManager {
private static final String DEFAULT_CONFIGURATION_URL = "broker.xml";
private final String configurationUrl;
LinkedHashMap<String, Deployable> deployables = new LinkedHashMap<>();
public FileDeploymentManager() {
this.configurationUrl = DEFAULT_CONFIGURATION_URL;
}
public FileDeploymentManager(String configurationUrl) {
this.configurationUrl = configurationUrl;
}
/*
* parse a set of configuration with the Deployables that were given.
*/
public void readConfiguration() throws Exception {
URL url;
url = Thread.currentThread().getContextClassLoader().getResource(configurationUrl);
if (url == null) {
// trying a different classloader now
url = getClass().getClassLoader().getResource(configurationUrl);
}
if (url == null) {
// The URL is outside of the classloader. Trying a pure url now
url = new URL(configurationUrl);
}
// create a reader
Reader reader = new InputStreamReader(url.openStream());
String xml = XMLUtil.readerToString(reader);
//replace any system props
xml = XMLUtil.replaceSystemProps(xml);
Element e = XMLUtil.stringToElement(xml);
//iterate around all the deployables
for (Deployable deployable : deployables.values()) {
String root = deployable.getRootElement();
NodeList children = e.getElementsByTagName(root);
//if the root element exists then parse it
if (root != null && children.getLength() > 0) {
Node item = children.item(0);
XMLUtil.validate(item, deployable.getSchema());
deployable.parse((Element) item, url);
}
}
}
/*
* Build a set of ActiveMQComponents from the Deployables configured
*/
public Map<String, ActiveMQComponent> buildService(ActiveMQSecurityManager securityManager,
MBeanServer mBeanServer) throws Exception {
Map<String, ActiveMQComponent> components = new HashMap<>();
for (Deployable deployable : deployables.values()) {
// if the deployable was parsed then build the service
if (deployable.isParsed()) {
deployable.buildService(securityManager, mBeanServer, deployables, components);
}
}
return components;
}
/*
* add a Deployable to be configured
*/
public FileDeploymentManager addDeployable(Deployable deployable) {
deployables.put(deployable.getRootElement(), deployable);
return this;
}
}