| /* |
| * 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.catalina.startup; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| |
| import org.apache.juli.logging.Log; |
| import org.apache.juli.logging.LogFactory; |
| |
| |
| /** |
| * Utility class to read the bootstrap Catalina configuration. |
| * |
| * @author Remy Maucherat |
| */ |
| public class CatalinaProperties { |
| |
| private static final Log log = LogFactory.getLog(CatalinaProperties.class); |
| |
| private static Properties properties = null; |
| |
| |
| static { |
| loadProperties(); |
| } |
| |
| |
| /** |
| * @param name The property name |
| * @return specified property value |
| */ |
| public static String getProperty(String name) { |
| return properties.getProperty(name); |
| } |
| |
| |
| /** |
| * Load properties. |
| */ |
| private static void loadProperties() { |
| |
| InputStream is = null; |
| Throwable error = null; |
| |
| try { |
| String configUrl = System.getProperty("catalina.config"); |
| if (configUrl != null) { |
| is = (new URL(configUrl)).openStream(); |
| } |
| } catch (Throwable t) { |
| handleThrowable(t); |
| } |
| |
| if (is == null) { |
| try { |
| File home = new File(Bootstrap.getCatalinaBase()); |
| File conf = new File(home, "conf"); |
| File propsFile = new File(conf, "catalina.properties"); |
| is = new FileInputStream(propsFile); |
| } catch (Throwable t) { |
| handleThrowable(t); |
| } |
| } |
| |
| if (is == null) { |
| try { |
| is = CatalinaProperties.class.getResourceAsStream |
| ("/org/apache/catalina/startup/catalina.properties"); |
| } catch (Throwable t) { |
| handleThrowable(t); |
| } |
| } |
| |
| if (is != null) { |
| try { |
| properties = new Properties(); |
| properties.load(is); |
| } catch (Throwable t) { |
| handleThrowable(t); |
| error = t; |
| } finally { |
| try { |
| is.close(); |
| } catch (IOException ioe) { |
| log.warn("Could not close catalina.properties", ioe); |
| } |
| } |
| } |
| |
| if ((is == null) || (error != null)) { |
| // Do something |
| log.warn("Failed to load catalina.properties", error); |
| // That's fine - we have reasonable defaults. |
| properties = new Properties(); |
| } |
| |
| // Register the properties as system properties |
| Enumeration<?> enumeration = properties.propertyNames(); |
| while (enumeration.hasMoreElements()) { |
| String name = (String) enumeration.nextElement(); |
| String value = properties.getProperty(name); |
| if (value != null) { |
| System.setProperty(name, value); |
| } |
| } |
| } |
| |
| |
| // Copied from ExceptionUtils since that class is not visible during start |
| private static void handleThrowable(Throwable t) { |
| if (t instanceof ThreadDeath) { |
| throw (ThreadDeath) t; |
| } |
| if (t instanceof VirtualMachineError) { |
| throw (VirtualMachineError) t; |
| } |
| // All other instances of Throwable will be silently swallowed |
| } |
| } |