/*
* 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.synapse.commons.jmx;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.commons.util.MiscellaneousUtil;
import org.wso2.securevault.secret.SecretInformation;
import org.wso2.securevault.secret.SecretInformationFactory;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
/**
* Factory to create a JmxInformation based on given properties.
*/
public class JmxInformationFactory {
private static final Log log = LogFactory.getLog(JmxInformationFactory.class);
private JmxInformationFactory() {
}
/**
* Factory method to create a JmxInformation instance based on given properties
*
* @param properties Properties to create and configure DataSource
* @param defaultHostName the default host name tobe used in case of a the host name is not set
* @return DataSourceInformation instance
*/
public static JmxInformation createJmxInformation(Properties properties, String defaultHostName) {
// Prefix for getting particular JMX properties
String prefix = JmxConfigurationConstants.PROP_SYNAPSE_PREFIX_JMX;
JmxInformation jmxInformation = new JmxInformation();
SecretInformation secretInformation = SecretInformationFactory.createSecretInformation(
properties, prefix, null);
secretInformation.setToken(JmxConfigurationConstants.JMX_PROTECTED_TOKEN);
jmxInformation.setSecretInformation(secretInformation);
int jndiPort = MiscellaneousUtil.getProperty(
properties, prefix + JmxConfigurationConstants.PROP_JNDI_PORT, -1, Integer.class);
jmxInformation.setJndiPort(jndiPort);
int rmiPort = MiscellaneousUtil.getProperty(
properties, prefix + JmxConfigurationConstants.PROP_RMI_PORT, 0, Integer.class);
jmxInformation.setRmiPort(rmiPort);
String jmxHostName = MiscellaneousUtil.getProperty(
properties, prefix + JmxConfigurationConstants.PROP_HOSTNAME, null);
if (jmxHostName == null || jmxHostName.trim().length() == 0) {
jmxHostName = defaultHostName;
}
jmxInformation.setHostName(jmxHostName);
// begin of special JMX security options
Properties managementProperties = readManagementProperties();
Boolean authenticate;
String value = getConfigProperty(
managementProperties, "com.sun.management.jmxremote.authenticate");
if (value != null) {
authenticate = Boolean.valueOf(value);
} else {
if (secretInformation.getUser() == null) {
authenticate = Boolean.FALSE;
} else {
authenticate = Boolean.TRUE;
}
}
jmxInformation.setAuthenticate(authenticate);
value = getConfigProperty(managementProperties, "com.sun.management.jmxremote.access.file");
if (value == null || value.trim().length() == 0) {
value = MiscellaneousUtil.getProperty(
properties, prefix + JmxConfigurationConstants.PROP_REMOTE_ACCESS_FILE, null);
}
if (value != null && value.trim().length() > 0) {
jmxInformation.setRemoteAccessFile(value);
}
value = getConfigProperty(managementProperties, "com.sun.management.jmxremote.password.file");
if (value != null && value.trim().length() > 0) {
jmxInformation.setRemotePasswordFile(value);
}
Boolean remoteSSL;
value = getConfigProperty(managementProperties, "com.sun.management.jmxremote.ssl");
if (value != null) {
remoteSSL = Boolean.valueOf(value);
} else {
remoteSSL = MiscellaneousUtil.getProperty( properties,
prefix + JmxConfigurationConstants.PROP_REMOTE_SSL, Boolean.FALSE, Boolean.class);
}
jmxInformation.setRemoteSSL(remoteSSL);
return jmxInformation;
}
/**
* Retrieves the management properties if a JMX config file has been specified via the system
* property <code>com.sun.management.config.file</code>.
*
* @return JMX management properties
*/
private static Properties readManagementProperties() {
Properties managementProperties = new Properties();
String configFileName = System.getProperty("com.sun.management.config.file");
if (configFileName != null) {
FileInputStream configFile = null;
try {
configFile = new FileInputStream(configFileName);
managementProperties.load(configFile);
if (log.isDebugEnabled()) {
log.debug("Initialized management properties from file " + configFileName);
}
} catch (FileNotFoundException ex) {
log.error("Cannot open " + configFileName, ex);
} catch (IOException ex) {
log.error("Error while reading " + configFileName, ex);
} finally {
if (configFile != null) {
try {
configFile.close();
} catch (IOException ignore) {
// nothing to do here
}
}
}
}
return managementProperties;
}
/**
* Retrieves a JMX configuration property (first by looking for a Java system property and if
* not present by looking for a management property specified in a file specified via<code>
* com.sun.management.config.file</code> system property.
*
* @param managementProperties properties tobe looked up if the system property is not set
* @param name the name of the property to look up
*
* @return the config property value or null if the property is not configured
*/
private static String getConfigProperty(Properties managementProperties, String name) {
String result = System.getProperty(name);
if ((result == null) && (managementProperties != null)) {
result = managementProperties.getProperty(name);
}
return result;
}
}