/*
* Copyright 2005-2014 Red Hat, Inc.
* Red Hat 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.hornetq.core.config.impl;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import org.hornetq.core.deployers.impl.FileConfigurationParser;
import org.hornetq.core.server.HornetQServerLogger;
import org.hornetq.utils.XMLUtil;
import org.w3c.dom.Element;
/**
* A {@code FileConfiguration} reads configuration values from a file.
*
* @author <a href="ataylor@redhat.com">Andy Taylor</a>
* @author <a href="tim.fox@jboss.com">Tim Fox</a>
*/
public final class FileConfiguration extends ConfigurationImpl
{
private static final long serialVersionUID = -4766689627675039596L;
// Constants ------------------------------------------------------------------------
private static final String DEFAULT_CONFIGURATION_URL = "hornetq-configuration.xml";
// For a bridge confirmations must be activated or send acknowledgments won't return
public static final int DEFAULT_CONFIRMATION_WINDOW_SIZE = 1024 * 1024;
public FileConfiguration()
{
configurationUrl = DEFAULT_CONFIGURATION_URL;
}
public FileConfiguration(String configurationUrl)
{
this.configurationUrl = configurationUrl;
}
private String configurationUrl = DEFAULT_CONFIGURATION_URL;
private boolean started;
public synchronized void start() throws Exception
{
if (started)
{
return;
}
URL url = getClass().getClassLoader().getResource(configurationUrl);
if (url == null)
{
// The URL is outside of the classloader. Trying a pure url now
url = new URL(configurationUrl);
}
HornetQServerLogger.LOGGER.debug("Loading server configuration from " + url);
Reader reader = new InputStreamReader(url.openStream());
String xml = org.hornetq.utils.XMLUtil.readerToString(reader);
xml = XMLUtil.replaceSystemProps(xml);
Element e = org.hornetq.utils.XMLUtil.stringToElement(xml);
FileConfigurationParser parser = new FileConfigurationParser();
// https://jira.jboss.org/browse/HORNETQ-478 - We only want to validate AIO when
// starting the server
// and we don't want to do it when deploying hornetq-queues.xml which uses the same parser and XML format
parser.setValidateAIO(true);
parser.parseMainConfig(e, this);
started = true;
}
public synchronized void stop() throws Exception
{
started = false;
}
public String getConfigurationUrl()
{
return configurationUrl;
}
public void setConfigurationUrl(final String configurationUrl)
{
this.configurationUrl = configurationUrl;
}
}