/*
* 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.karaf.config.command;
import org.apache.karaf.shell.api.action.Action;
import org.apache.karaf.shell.api.action.Argument;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.apache.karaf.util.StreamUtils;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
@Command(scope = "config", name = "install", description = "Install a cfg file in the Karaf etc folder.")
@Service
public class InstallCommand implements Action {
@Argument(index = 0, name = "url", description = "The URL of the cfg file.", required = true, multiValued = false)
private String url;
@Argument(index = 1, name = "finalname", description = "Final name of the cfg file", required = true, multiValued = false)
private String finalname;
@Option(name = "-o", aliases = { "--override" }, description = "Override the target cfg file", required = false, multiValued = false)
private boolean override;
@Override
public Object execute() throws Exception {
File etcFolder = new File(System.getProperty("karaf.etc"));
File file = new File(etcFolder, finalname);
if (file.exists()) {
if (!override) {
throw new IllegalArgumentException("Configuration file {} already exists " + finalname);
} else {
System.out.println("Overriding configuration file " + finalname);
}
} else {
System.out.println("Creating configuration file " + finalname);
}
try (InputStream is = new BufferedInputStream(new URL(url).openStream())) {
if (!file.exists()) {
File parentFile = file.getParentFile();
if (parentFile != null) {
parentFile.mkdirs();
}
file.createNewFile();
}
try (FileOutputStream fop = new FileOutputStream(file)) {
StreamUtils.copy(is, fop);
}
} catch (RuntimeException | MalformedURLException e) {
throw e;
}
return null;
}
}