| /* |
| * 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.activemq.karaf.commands; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Scanner; |
| |
| import org.apache.felix.gogo.commands.Option; |
| import org.apache.felix.gogo.commands.Command; |
| import org.apache.karaf.shell.console.OsgiCommandSupport; |
| |
| /** |
| * @version $Rev: 960482 $ $Date: 2010-07-05 10:28:33 +0200 (Mon, 05 Jul 2010) $ |
| */ |
| @Command(scope="activemq", name="create-broker", description="Creates a broker instance.") |
| public class CreateBrokerCommand extends OsgiCommandSupport { |
| |
| @Option(name = "-n", aliases = {"--name"}, description = "The name of the broker (defaults to localhost).") |
| private String name = "localhost"; |
| @Option(name = "-t", aliases = {"--type"}, description = "type of configuration to be used: spring or blueprint (defaults to spring)") |
| private String type = "spring"; |
| |
| /* |
| * (non-Javadoc) |
| * @see |
| * org.apache.karaf.shell.console.OsgiCommandSupport#doExecute() |
| */ |
| protected Object doExecute() throws Exception { |
| |
| try { |
| String name = getName(); |
| File base = new File(System.getProperty("karaf.base")); |
| File deploy = new File(base, "deploy"); |
| |
| HashMap<String, String> props = new HashMap<String, String>(); |
| props.put("${name}", name); |
| |
| mkdir(deploy); |
| File configFile = new File(deploy, name + "-broker.xml"); |
| |
| if (!type.equalsIgnoreCase("spring") && !type.equalsIgnoreCase("blueprint")) { |
| System.out.println("@|green Unknown type '" + type + "' Using spring by default"); |
| type = "spring"; |
| } |
| |
| copyFilteredResourceTo(configFile, type.toLowerCase() + ".xml", props); |
| |
| System.out.println(""); |
| System.out.println("Default ActiveMQ Broker (" + name + ") configuration file created at: " |
| + configFile.getPath()); |
| System.out.println("Please review the configuration and modify to suite your needs. "); |
| System.out.println(""); |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw e; |
| } |
| |
| return 0; |
| } |
| |
| private void copyFilteredResourceTo(File outFile, String resource, HashMap<String, String> props) |
| throws Exception { |
| if (!outFile.exists()) { |
| System.out.println("Creating file: @|green " + outFile.getPath() + "|"); |
| InputStream is = CreateBrokerCommand.class.getResourceAsStream(resource); |
| try { |
| // Read it line at a time so that we can use the platform line |
| // ending when we write it out. |
| PrintStream out = new PrintStream(new FileOutputStream(outFile)); |
| try { |
| Scanner scanner = new Scanner(is); |
| while (scanner.hasNextLine()) { |
| String line = scanner.nextLine(); |
| line = filter(line, props); |
| out.println(line); |
| } |
| } finally { |
| safeClose(out); |
| } |
| } finally { |
| safeClose(is); |
| } |
| } else { |
| System.out.println("@|red File already exists|. Move it out of the way if you want it re-created: " |
| + outFile.getPath() + ""); |
| } |
| } |
| |
| private void safeClose(InputStream is) throws IOException { |
| if (is == null) |
| return; |
| try { |
| is.close(); |
| } catch (Throwable ignore) { |
| } |
| } |
| |
| private void safeClose(OutputStream is) throws IOException { |
| if (is == null) |
| return; |
| try { |
| is.close(); |
| } catch (Throwable ignore) { |
| } |
| } |
| |
| private String filter(String line, HashMap<String, String> props) { |
| for (Map.Entry<String, String> i : props.entrySet()) { |
| int p1; |
| while ((p1 = line.indexOf(i.getKey())) >= 0) { |
| String l1 = line.substring(0, p1); |
| String l2 = line.substring(p1 + i.getKey().length()); |
| line = l1 + i.getValue() + l2; |
| } |
| } |
| return line; |
| } |
| |
| private void mkdir(File file) { |
| if (!file.exists()) { |
| System.out.println("Creating missing directory: @|green " + file.getPath() + "|"); |
| file.mkdirs(); |
| } |
| } |
| |
| public String getName() { |
| if (name == null) { |
| File base = new File(System.getProperty("karaf.base")); |
| name = base.getName(); |
| } |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| } |