/**
* Initialize logback, including setting the web app root system property.
*
* @param servletContext the current ServletContext
* @see WebUtils#setWebAppRootSystemProperty
*/
public static void initLogging(ServletContext servletContext) {
// Expose the web app root system property.
if (exposeWebAppRoot(servletContext)) {
WebUtils.setWebAppRootSystemProperty(servletContext);
}
// Only perform custom logback initialization in case of a config file.
String location = servletContext.getInitParameter(CONFIG_LOCATION_PARAM);
if (location != null) {
// Perform actual logback initialization; else rely on logback's default initialization.
try {
// Return a URL (e.g. "classpath:" or "file:") as-is;
// consider a plain file path as relative to the web application root directory.
if (!ResourceUtils.isUrl(location)) {
// Resolve system property placeholders before resolving real path.
location = SystemPropertyUtils.resolvePlaceholders(location);
location = WebUtils.getRealPath(servletContext, location);
}
// Write log message to server log.
servletContext.log("Initializing logback from [" + location + "]");
// Initialize without refresh check, i.e. without logback's watchdog thread.
LogbackConfigurer.initLogging(location);
} catch (FileNotFoundException ex) {
throw new IllegalArgumentException(
"Invalid 'logbackConfigLocation' parameter: " + ex.getMessage());
}
}
}
public Set<Class> doScan(String basePackage) {
Set<Class> classes = new HashSet<Class>();
try {
String packageSearchPath =
ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX
+ ClassUtils.convertClassNameToResourcePath(
SystemPropertyUtils.resolvePlaceholders(basePackage))
+ DEFAULT_RESOURCE_PATTERN;
Resource[] resources = this.resourcePatternResolver.getResources(packageSearchPath);
for (int i = 0; i < resources.length; i++) {
Resource resource = resources[i];
if (resource.isReadable()) {
MetadataReader metadataReader = this.metadataReaderFactory.getMetadataReader(resource);
if ((includeFilters.size() == 0 && excludeFilters.size() == 0)
|| matches(metadataReader)) {
try {
classes.add(Class.forName(metadataReader.getClassMetadata().getClassName()));
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
}
}
} catch (IOException ex) {
throw new BeanDefinitionStoreException("I/O failure during classpath scanning", ex);
}
return classes;
}
private File getLogFile(String location) throws FileNotFoundException {
String resolvedLocation = SystemPropertyUtils.resolvePlaceholders(location);
File file = ResourceUtils.getFile(resolvedLocation);
if (!file.exists()) {
throw new FileNotFoundException("Log file [" + resolvedLocation + "] not found");
}
return file;
}
protected void postProcess(ParserContext context, BeanAssembler assembler, Element element) {
String name = element.getAttribute(NAME_ATTR);
if (name.indexOf(' ') != -1) {
logger.warn("Environment property name should not contain spaces: \"" + name + "\"");
}
String value = element.getAttribute(VALUE_ATTR);
assembler.getBean().addConstructorArg(SystemPropertyUtils.resolvePlaceholders(value));
super.postProcess(context, assembler, element);
}
/**
* Initialize logback from the given file location, with no config file refreshing. Assumes an XML
* file in case of a ".xml" file extension, and a properties file otherwise.
*
* @param location the location of the config file: either a "classpath:" location (e.g.
* "classpath:mylogback.properties"), an absolute file URL (e.g. "file:C:/logback.properties),
* or a plain absolute path in the file system (e.g. " C:/logback.properties")
* @throws FileNotFoundException if the location specifies an invalid file path
*/
public static void initLogging(String location) throws FileNotFoundException {
String resolvedLocation = SystemPropertyUtils.resolvePlaceholders(location);
URL url = ResourceUtils.getURL(resolvedLocation);
if (resolvedLocation.toLowerCase().endsWith(XML_FILE_EXTENSION)) {
// DOMConfigurator.configure(url);
configurator.setContext(lc);
lc.reset();
try {
configurator.doConfigure(url);
} catch (JoranException ex) {
throw new FileNotFoundException(url.getPath());
}
lc.start();
}
// else {
// PropertyConfigurator.configure(url);
// }
}
/**
* Initialize logback from the given file.
*
* @param location the location of the config file: either a "classpath:" location (e.g.
* "classpath:logback.xml"), an absolute file URL (e.g. "file:C:/logback.xml), or a plain
* absolute path in the file system (e.g. "C:/logback.xml")
* @throws java.io.FileNotFoundException if the location specifies an invalid file path
*/
public static void initLogging(String location) throws FileNotFoundException, JoranException {
String resolvedLocation = SystemPropertyUtils.resolvePlaceholders(location);
URL url = ResourceUtils.getURL(resolvedLocation);
initLogging(url);
}