@Override
public <T> Action getAction(T input) {
if (!canHandle(input)) {
return null;
}
Metacard metacard = (Metacard) input;
if (StringUtils.isBlank(metacard.getId())) {
LOGGER.info("No id given. No action to provide.");
return null;
}
if (isHostUnset(SystemBaseUrl.getHost())) {
LOGGER.info("Host name/ip not set. Cannot create link for metacard.");
return null;
}
String metacardId = null;
String metacardSource = null;
try {
metacardId = URLEncoder.encode(metacard.getId(), CharEncoding.UTF_8);
metacardSource = URLEncoder.encode(getSource(metacard), CharEncoding.UTF_8);
} catch (UnsupportedEncodingException e) {
LOGGER.info("Unsupported Encoding exception", e);
return null;
}
return getAction(metacardId, metacardSource);
}
public class SystemPropertiesAdmin implements SystemPropertiesAdminMBean {
private MBeanServer mbeanServer;
private ObjectName objectName;
private String oldHostName = SystemBaseUrl.getHost();
private static final String KARAF_ETC = "karaf.etc";
private static final String SYSTEM_PROPERTIES_FILE = "system.properties";
private static final String USERS_PROPERTIES_FILE = "users.properties";
private static final String USERS_ATTRIBUTES_FILE = "users.attributes";
private static final String HOST_TITLE = "Host";
private static final String HOST_DESCRIPTION =
"The host name or IP address used to advertise the system. Possibilities include the address of a single node of that of a load balancer in a multi-node deployment. NOTE: Does not change the address the system runs on.";
private static final String PROTOCOL_TITLE = "Default Protocol";
private static final String PROTOCOL_DESCRIPTION =
"The protocol used to advertise the system. When selecting the protocol, be sure to enter the port number corresponding to that protocol.";
private static final ArrayList<String> PROTOCOL_OPTIONS = new ArrayList<>();
static {
PROTOCOL_OPTIONS.add("https://");
PROTOCOL_OPTIONS.add("http://");
}
private static final String DEFAULT_PORT_TITLE = "Default Port";
private static final String DEFAULT_PORT_DESCRIPTION =
"The default port used to advertise the system. Possibilities include the port of a single node of that of a load balancer in a multi-node deployment. NOTE: Does not change the port the system runs on.";
private static final String HTTP_PORT_TITLE = "HTTP Port";
private static final String HTTP_PORT_DESCRIPTION =
"The port used to advertise the system. Possibilities include the port of a single node of that of a load balancer in a multi-node deployment. NOTE: Does not change the port the system runs on.";
private static final String HTTPS_PORT_TITLE = "HTTPS Port";
private static final String HTTPS_PORT_DESCRIPTION =
"The secure port used to advertise the system. Possibilities include the port of a single node of that of a load balancer in a multi-node deployment. NOTE: Does not change the port the system runs on.";
private static final String ORGANIZATION_TITLE = "Organization";
private static final String ORGANIZATION_DESCRIPTION =
"The name of the organization that runs this instance.";
private static final String SITE_CONTACT_TITLE = "Site Contact";
private static final String SITE_CONTACT_DESCRIPTION = "The email address of the site contact.";
private static final String SITE_NAME_TITLE = "Site Name";
private static final String SITE_NAME_DESCRIPTION =
"The unique name of this instance. This name will be provided via web services that ask for the name.";
private static final String VERSION_TITLE = "Version";
private static final String VERSION_DESCRIPTION = "The version of this instance.";
private static final Logger LOGGER = LoggerFactory.getLogger(SystemPropertiesAdmin.class);
private static final ObjectMapper MAPPER = JsonFactory.create();
public SystemPropertiesAdmin() {
configureMBean();
}
@Override
public List<SystemPropertyDetails> readSystemProperties() {
LOGGER.info("get system properties");
ArrayList<SystemPropertyDetails> properties = new ArrayList<>();
properties.add(
getSystemPropertyDetails(
SystemBaseUrl.PROTOCOL, PROTOCOL_TITLE, PROTOCOL_DESCRIPTION, PROTOCOL_OPTIONS));
properties.add(
getSystemPropertyDetails(SystemBaseUrl.HOST, HOST_TITLE, HOST_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(
SystemBaseUrl.PORT, DEFAULT_PORT_TITLE, DEFAULT_PORT_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(
SystemBaseUrl.HTTP_PORT, HTTP_PORT_TITLE, HTTP_PORT_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(
SystemBaseUrl.HTTPS_PORT, HTTPS_PORT_TITLE, HTTPS_PORT_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(
SystemInfo.ORGANIZATION, ORGANIZATION_TITLE, ORGANIZATION_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(
SystemInfo.SITE_CONTACT, SITE_CONTACT_TITLE, SITE_CONTACT_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(
SystemInfo.SITE_NAME, SITE_NAME_TITLE, SITE_NAME_DESCRIPTION, null));
properties.add(
getSystemPropertyDetails(SystemInfo.VERSION, VERSION_TITLE, VERSION_DESCRIPTION, null));
return properties;
}
@Override
public void writeSystemProperties(Map<String, String> updatedSystemProperties) {
if (updatedSystemProperties == null) {
return;
}
// Get system.properties file
// save off the current/old hostname before we make any changes
oldHostName = SystemBaseUrl.getHost();
String etcDir = System.getProperty(KARAF_ETC);
String systemPropertyFilename = etcDir + File.separator + SYSTEM_PROPERTIES_FILE;
String userPropertiesFilename = etcDir + File.separator + USERS_PROPERTIES_FILE;
String userAttributesFilename = etcDir + File.separator + USERS_ATTRIBUTES_FILE;
File systemPropertiesFile = new File(systemPropertyFilename);
File userPropertiesFile = new File(userPropertiesFilename);
File userAttributesFile = new File(userAttributesFilename);
try {
Properties systemDotProperties = new Properties(systemPropertiesFile);
updateProperty(SystemBaseUrl.PORT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.HOST, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.PROTOCOL, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.HTTP_PORT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.HTTPS_PORT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.ORGANIZATION, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.SITE_CONTACT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.SITE_NAME, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.VERSION, updatedSystemProperties, systemDotProperties);
systemDotProperties.save();
} catch (IOException e) {
LOGGER.warn("Exception while writing to system.properties file.", e);
}
try {
Properties userDotProperties = new Properties(userPropertiesFile);
if (!userDotProperties.isEmpty()) {
String oldHostValue = userDotProperties.getProperty(oldHostName);
if (oldHostValue != null) {
userDotProperties.remove(oldHostName);
userDotProperties.setProperty(System.getProperty(SystemBaseUrl.HOST), oldHostValue);
userDotProperties.save();
}
}
} catch (IOException e) {
LOGGER.warn("Exception while writing to users.properties file.", e);
}
Map<String, Object> json = null;
try (InputStream stream = Files.newInputStream(Paths.get(userAttributesFile.toURI()))) {
json = MAPPER.parser().parseMap(stream);
if (json.containsKey(oldHostName)) {
json.put(System.getProperty(SystemBaseUrl.HOST), json.remove(oldHostName));
}
} catch (IOException e) {
LOGGER.error("Unable to read system user attribute file for hostname update.", e);
}
if (json != null) {
try (OutputStream stream = Files.newOutputStream(Paths.get(userAttributesFile.toURI()))) {
MAPPER.writeValue(stream, json);
} catch (IOException e) {
LOGGER.error("Unable to write system user attribute file for hostname update.", e);
}
}
}
private SystemPropertyDetails getSystemPropertyDetails(
String key, String title, String description, List<String> options) {
String property = System.getProperty(key, "");
return new SystemPropertyDetails(title, description, options, key, property);
}
private void updateProperty(
String key, Map<String, String> updatedProperties, Properties systemDotProperties) {
if (updatedProperties.containsKey(key)) {
String value = updatedProperties.get(key);
systemDotProperties.put(key, value);
System.setProperty(key, value);
}
}
private void configureMBean() {
mbeanServer = ManagementFactory.getPlatformMBeanServer();
try {
objectName = new ObjectName(SystemPropertiesAdminMBean.OBJECT_NAME);
} catch (MalformedObjectNameException e) {
LOGGER.warn(
"Exception while creating object name: " + SystemPropertiesAdminMBean.OBJECT_NAME, e);
}
try {
try {
mbeanServer.registerMBean(
new StandardMBean(this, SystemPropertiesAdminMBean.class), objectName);
} catch (InstanceAlreadyExistsException e) {
mbeanServer.unregisterMBean(objectName);
mbeanServer.registerMBean(
new StandardMBean(this, SystemPropertiesAdminMBean.class), objectName);
}
} catch (Exception e) {
LOGGER.error("Could not register mbean.", e);
}
}
public void shutdown() {
try {
if (objectName != null && mbeanServer != null) {
mbeanServer.unregisterMBean(objectName);
}
} catch (Exception e) {
LOGGER.warn("Exception unregistering mbean: ", e);
throw new RuntimeException(e);
}
}
}
@Override
public void writeSystemProperties(Map<String, String> updatedSystemProperties) {
if (updatedSystemProperties == null) {
return;
}
// Get system.properties file
// save off the current/old hostname before we make any changes
oldHostName = SystemBaseUrl.getHost();
String etcDir = System.getProperty(KARAF_ETC);
String systemPropertyFilename = etcDir + File.separator + SYSTEM_PROPERTIES_FILE;
String userPropertiesFilename = etcDir + File.separator + USERS_PROPERTIES_FILE;
String userAttributesFilename = etcDir + File.separator + USERS_ATTRIBUTES_FILE;
File systemPropertiesFile = new File(systemPropertyFilename);
File userPropertiesFile = new File(userPropertiesFilename);
File userAttributesFile = new File(userAttributesFilename);
try {
Properties systemDotProperties = new Properties(systemPropertiesFile);
updateProperty(SystemBaseUrl.PORT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.HOST, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.PROTOCOL, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.HTTP_PORT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemBaseUrl.HTTPS_PORT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.ORGANIZATION, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.SITE_CONTACT, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.SITE_NAME, updatedSystemProperties, systemDotProperties);
updateProperty(SystemInfo.VERSION, updatedSystemProperties, systemDotProperties);
systemDotProperties.save();
} catch (IOException e) {
LOGGER.warn("Exception while writing to system.properties file.", e);
}
try {
Properties userDotProperties = new Properties(userPropertiesFile);
if (!userDotProperties.isEmpty()) {
String oldHostValue = userDotProperties.getProperty(oldHostName);
if (oldHostValue != null) {
userDotProperties.remove(oldHostName);
userDotProperties.setProperty(System.getProperty(SystemBaseUrl.HOST), oldHostValue);
userDotProperties.save();
}
}
} catch (IOException e) {
LOGGER.warn("Exception while writing to users.properties file.", e);
}
Map<String, Object> json = null;
try (InputStream stream = Files.newInputStream(Paths.get(userAttributesFile.toURI()))) {
json = MAPPER.parser().parseMap(stream);
if (json.containsKey(oldHostName)) {
json.put(System.getProperty(SystemBaseUrl.HOST), json.remove(oldHostName));
}
} catch (IOException e) {
LOGGER.error("Unable to read system user attribute file for hostname update.", e);
}
if (json != null) {
try (OutputStream stream = Files.newOutputStream(Paths.get(userAttributesFile.toURI()))) {
MAPPER.writeValue(stream, json);
} catch (IOException e) {
LOGGER.error("Unable to write system user attribute file for hostname update.", e);
}
}
}