/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.apache.geode.modules.session.installer.args;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Argument handler implementation which accepts file paths or URLs and normalizes the parameters to
* URLs.
*/
public class URLArgumentHandler implements ArgumentHandler {
/**
* Logger.
*/
private static final Logger LOG = Logger.getLogger(URLArgumentHandler.class.getName());
/**
* Ensure that the argument is either a file path or a properly formatted URL. If it is a file
* path, convert to a URL. If neither, throws a UsageException.
*
* @param arg argument
* @param form form used
* @param parameters parameters supplied
* @throws UsageException when file not found or not a workable URL
*/
public void handleArgument(final Argument arg, final String form, final String[] parameters)
throws UsageException {
final File file = new File(parameters[0]);
URL result = null;
if (file.exists()) {
try {
result = file.toURI().toURL();
} catch (MalformedURLException mux) {
LOG.log(Level.FINEST, "Caught Exception", mux);
}
}
if (result == null) {
try {
result = new URL(parameters[0]);
} catch (MalformedURLException mux) {
LOG.log(Level.FINEST, "Caught Exception", mux);
}
}
if (result == null) {
throw (new UsageException(
"Argument parameter value is not a valid file " + "path or URL: " + arg));
}
parameters[0] = result.toString();
}
}