82 lines
2.7 KiB
Java
82 lines
2.7 KiB
Java
/**
|
|
*
|
|
* Copyright the original author or authors
|
|
*
|
|
* Licensed 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.jivesoftware.smack.initializer;
|
|
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.util.Collections;
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
import java.util.logging.Level;
|
|
import java.util.logging.Logger;
|
|
|
|
import org.jivesoftware.smack.provider.ProviderFileLoader;
|
|
import org.jivesoftware.smack.provider.ProviderManager;
|
|
import org.jivesoftware.smack.util.FileUtils;
|
|
|
|
/**
|
|
* Loads the provider file defined by the URL returned by {@link #getFilePath()}. This file will be loaded on Smack initialization.
|
|
*
|
|
* @author Robin Collier
|
|
*
|
|
*/
|
|
public abstract class UrlProviderFileInitializer implements SmackInitializer {
|
|
private static final Logger LOGGER = Logger.getLogger(UrlProviderFileInitializer.class.getName());
|
|
|
|
private List<Exception> exceptions = new LinkedList<Exception>();
|
|
|
|
@Override
|
|
public void initialize() {
|
|
String filePath = getFilePath();
|
|
|
|
try {
|
|
InputStream is = FileUtils.getStreamForUrl(filePath, getClassLoader());
|
|
|
|
if (is != null) {
|
|
LOGGER.log(Level.INFO, "Loading providers for file [" + filePath + "]");
|
|
ProviderFileLoader pfl = new ProviderFileLoader(is);
|
|
ProviderManager.getInstance().addLoader(pfl);
|
|
exceptions.addAll(pfl.getLoadingExceptions());
|
|
}
|
|
else {
|
|
LOGGER.log(Level.WARNING, "No input stream created for " + filePath);
|
|
exceptions.add(new IOException("No input stream created for " + filePath));
|
|
}
|
|
}
|
|
catch (Exception e) {
|
|
LOGGER.log(Level.SEVERE, "Error trying to load provider file " + filePath, e);
|
|
exceptions.add(e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public List<Exception> getExceptions() {
|
|
return Collections.unmodifiableList(exceptions);
|
|
}
|
|
|
|
protected abstract String getFilePath();
|
|
|
|
/**
|
|
* Returns an array of class loaders to load resources from.
|
|
*
|
|
* @return an array of ClassLoader instances.
|
|
*/
|
|
protected ClassLoader getClassLoader() {
|
|
return null;
|
|
}
|
|
}
|