/**
* Get an InputStream so that the Runtime can build a template with it.
*
* @param name name of template to get
* @return InputStream containing the template
* @throws ResourceNotFoundException if template not found in classpath.
*/
public InputStream getResourceStream(String name) throws ResourceNotFoundException {
InputStream result = null;
if (StringUtils.isEmpty(name)) {
throw new ResourceNotFoundException("No template name provided");
}
/**
* look for resource in thread classloader first (e.g. WEB-INF\lib in a servlet container) then
* fall back to the system classloader.
*/
try {
result = ClassUtils.getResourceAsStream(getClass(), name);
} catch (Exception fnfe) {
throw (ResourceNotFoundException)
ExceptionUtils.createWithCause(
ResourceNotFoundException.class, "problem with template: " + name, fnfe);
}
if (result == null) {
String msg = "ClasspathResourceLoader Error: cannot find resource " + name;
throw new ResourceNotFoundException(msg);
}
return result;
}
public StringResourceRepository createRepository(final String className, final String encoding) {
if (log.isDebugEnabled()) {
log.debug("Creating string repository using class " + className + "...");
}
StringResourceRepository repo;
try {
repo = (StringResourceRepository) ClassUtils.getNewInstance(className);
} catch (ClassNotFoundException cnfe) {
throw new VelocityException("Could not find '" + className + "'", cnfe);
} catch (IllegalAccessException iae) {
throw new VelocityException("Could not access '" + className + "'", iae);
} catch (InstantiationException ie) {
throw new VelocityException("Could not instantiate '" + className + "'", ie);
}
if (encoding != null) {
repo.setEncoding(encoding);
} else {
repo.setEncoding(REPOSITORY_ENCODING_DEFAULT);
}
if (log.isDebugEnabled()) {
log.debug("Default repository encoding is " + repo.getEncoding());
}
return repo;
}
/**
* Add objects to the context from the current properties.
*
* @param context control context to fill with objects that are specified in the
* default.properties file
*/
protected void fillContextProperties(Context context) {
Enumeration enumeration = props.propertyNames();
while (enumeration.hasMoreElements()) {
String nm = (String) enumeration.nextElement();
if (nm.startsWith("context.objects.")) {
String contextObj = props.getProperty(nm);
int colon = nm.lastIndexOf('.');
String contextName = nm.substring(colon + 1);
try {
Object o = ClassUtils.getNewInstance(contextObj);
context.put(contextName, o);
} catch (Exception e) {
e.printStackTrace();
// TO DO: Log Something Here
}
}
}
}
