55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
package org.jivesoftware.smack.provider;
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import java.io.InputStream;
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import java.net.MalformedURLException;
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import java.net.URI;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.SmackInitializer;
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import org.jivesoftware.smack.util.FileUtils;
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/**
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* Loads the provider file defined by the URL returned by {@link #getFilePath()}. This file will be loaded on Smack initialization.
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*
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* @author Robin Collier
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*
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*/
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public abstract class UrlProviderFileInitializer implements SmackInitializer {
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private static final Logger log = Logger.getLogger(UrlProviderFileInitializer.class.getName());
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@Override
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public void initialize() {
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String filePath = getFilePath();
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try {
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InputStream is = FileUtils.getStreamForUrl(filePath, getClassLoader());
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if (is != null) {
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log.log(Level.INFO, "Loading providers for file [" + filePath + "]");
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ProviderManager.getInstance().addLoader(new ProviderFileLoader(is));
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}
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else {
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log.log(Level.WARNING, "No input stream created for " + filePath);
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}
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}
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catch (Exception e) {
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log.log(Level.SEVERE, "Error trying to load provider file " + filePath, e);
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}
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}
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protected abstract String getFilePath();
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/**
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* Returns an array of class loaders to load resources from.
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*
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* @return an array of ClassLoader instances.
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*/
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protected ClassLoader getClassLoader() {
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return null;
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}
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}
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