| /* |
| * 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.shell.dev.framework; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.Date; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * Class to represent the underlying OSGi framework |
| */ |
| public abstract class Framework { |
| |
| /* |
| * The Karaf base directory |
| */ |
| private File base; |
| |
| /* |
| * The contents of the etc/config.properties file |
| */ |
| private List<String> config; |
| |
| /** |
| * Create a instance of this framework in the given base directory |
| * |
| * @param base the base directory |
| */ |
| public Framework(File base) { |
| super(); |
| this.base = base; |
| } |
| |
| /** |
| * Get the underlying OSGi framework name |
| */ |
| public abstract String getName(); |
| |
| /** |
| * Enable the OSGi framework's debug logging |
| * |
| * @param directory the directory containing the Karaf installation |
| * @throws IOException when a problem occurs configuring debug settings |
| */ |
| public abstract void enableDebug(File directory) throws IOException; |
| |
| /** |
| * Disable the OSGI framework's debug logging |
| * |
| * @param directory the Karaf base installation directory |
| * @throws IOException when a problem occurs removing debug configuration settings |
| */ |
| public abstract void disableDebug(File directory) throws IOException; |
| |
| /* |
| * Save the etc/config.properties file |
| */ |
| protected void saveConfigProperties() throws IOException { |
| PrintWriter writer = null; |
| try { |
| writer = new PrintWriter(new File(base, "etc/config.properties")); |
| for (String line : getConfig()) { |
| writer.printf("%s%n", line); |
| } |
| writer.flush(); |
| writer.close(); |
| } finally { |
| if (writer != null) { |
| writer.close(); |
| } |
| } |
| } |
| |
| protected List<String> readPropertyFile(File config) throws IOException { |
| List<String> result = new LinkedList<String>(); |
| BufferedReader reader = new BufferedReader(new FileReader(config)); |
| String line = reader.readLine(); |
| while (line != null) { |
| result.add(line); |
| line = reader.readLine(); |
| } |
| return result; |
| } |
| |
| /** |
| * Set a new key and value in the etc/config.properties - if the given key |
| * already exists, the existing value will be overwritten |
| * |
| * @param key property key |
| * @param value property value |
| * @throws IOException if the etc/config.properties file can not be read |
| */ |
| protected void setConfigProperty(String key, String value) throws IOException { |
| boolean done = false; |
| |
| for (int i = 0 ; i < getConfig().size() ; i++) { |
| if (getConfig().get(i).startsWith(key)) { |
| getConfig().set(i, java.lang.String.format("%s=%s", key, value)); |
| done = true; |
| } |
| } |
| |
| if (!done) { |
| getConfig().add(""); |
| getConfig().add(java.lang.String.format("%s=%s", key, value, new Date())); |
| } |
| } |
| |
| /** |
| * Remove an existing key from the etc/config.properties file |
| * |
| * @param key the key |
| * @throws IOException if the etc/config.properties file can not be read |
| */ |
| protected void removeConfigProperty(String key) throws IOException { |
| for (int i = 0 ; i < getConfig().size() ; i++) { |
| if (getConfig().get(i).startsWith(key)) { |
| getConfig().remove(i); |
| } |
| } |
| } |
| |
| /** |
| * Access the contents of the etc/config.properties file |
| * |
| * @return the contents of the file |
| * @throws IOException if the etc/config.properties file can not be read |
| */ |
| public List<String> getConfig() throws IOException { |
| if (config == null) { |
| config = readPropertyFile(new File(base, "etc/config.properties")); |
| } |
| return config; |
| } |
| } |