On Jul 18, 2005, at 10:59, Xavier Noria wrote:
On the other hand, looks like there is no direct way to create
Template objects given an absolute path, except by computing its
dirname, setting it as template root dir, then load the basename as
relative path. I've seen another workaround which consists of
setting the root dir to the empty string. Isn't there a more
convinient way like a simple method call?
Finally I wrote a simple ResourceLoader that only accepts absolute
paths, it is just what I need and has been tested on Mac OS X.
From the Velocity source code looks like if a loader does not handle
some resource it raises ResourceNotFoundException so that the
resource manager can try other loaders if more than one is
configured. Some quick tests suggest this is right in 1.4, but the
ResourceManager interface does not document such contract.
-- fxn
package com.example;
import java.io.*;
import org.apache.commons.collections.ExtendedProperties;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.runtime.resource.Resource;
import org.apache.velocity.runtime.resource.loader.ResourceLoader;
public class AbsolutePathResourceLoader extends ResourceLoader {
public void init(ExtendedProperties configuration) {
// do nothing
}
public synchronized InputStream getResourceStream(String fileName)
throws ResourceNotFoundException {
if (! new File(fileName).isAbsolute())
throw new ResourceNotFoundException("'" + fileName + "'
is not an absolute path");
try {
return new BufferedInputStream(new FileInputStream
(fileName));
} catch (IOException wrapped) {
throw new ResourceNotFoundException(wrapped.getMessage());
}
}
public boolean isSourceModified(Resource resource) {
return getLastModified(resource) != resource.getLastModified();
}
public long getLastModified(Resource resource) {
return new File(resource.getName()).lastModified();
}
}
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