| /* |
| * 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.river.container; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.StringTokenizer; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.apache.commons.vfs2.FileObject; |
| import org.apache.commons.vfs2.FileSystemException; |
| import org.apache.commons.vfs2.FileType; |
| |
| /** |
| |
| @author trasukg |
| */ |
| public class Utils { |
| |
| public static String format(Object array[]) { |
| if (array == null) { |
| return "null"; |
| } |
| StringBuffer sb = new StringBuffer(); |
| sb.append("["); |
| for (int j = 0; j < array.length; j++) { |
| if (j != 0) { |
| sb.append(", "); |
| } |
| sb.append("'"); |
| sb.append(array[j].toString()); |
| sb.append("'"); |
| } |
| sb.append("]"); |
| |
| return sb.toString(); |
| } |
| |
| public static String format(Properties props) { |
| if (props == null) { |
| return "null"; |
| } |
| StringBuffer sb = new StringBuffer(); |
| sb.append("["); |
| for (Map.Entry entry : props.entrySet()) { |
| boolean first = true; |
| if (!first) { |
| sb.append(", "); |
| } else { |
| first = false; |
| } |
| sb.append(entry.getKey() + "=\""); |
| sb.append(entry.getValue()); |
| sb.append("\""); |
| } |
| sb.append("]"); |
| |
| return sb.toString(); |
| } |
| |
| public static String[] splitOnWhitespace(String input) { |
| List<String> strings = new ArrayList<String>(); |
| StringTokenizer tok = new StringTokenizer(Strings.WHITESPACE_SEPARATORS); |
| while (tok.hasMoreTokens()) { |
| strings.add(tok.nextToken()); |
| } |
| return (String[]) strings.toArray(new String[0]); |
| } |
| |
| public static List<FileObject> findChildrenWithSuffix(FileObject dir, String suffix) throws FileSystemException { |
| |
| List<FileObject> ret = new ArrayList<FileObject>(); |
| |
| for (FileObject fo : dir.getChildren()) { |
| if (fo.getType() == FileType.FILE && fo.getName().getBaseName().endsWith(suffix)) { |
| ret.add(fo); |
| } |
| } |
| return ret; |
| } |
| |
| public static void logClassLoaderHierarchy(Logger log, |
| Class cls) { |
| logClassLoaderHierarchy(log, Level.FINE, cls); |
| } |
| |
| public static void logClassLoaderHierarchy(Logger log, Level level, |
| Class cls) { |
| log.log(level, MessageNames.CLASSLOADER_IS, |
| new Object[]{cls.getName(), cls.getClassLoader()}); |
| ClassLoader parent = cls.getClassLoader().getParent(); |
| while (parent != null) { |
| log.log(level, MessageNames.PARENT_CLASS_LOADER_IS, |
| new Object[]{parent}); |
| parent = parent.getParent(); |
| } |
| } |
| |
| public static void logClassLoaderHierarchy(Logger log, |
| Level level, |
| ClassLoader loader) { |
| log.log(level, MessageNames.CLASSLOADER_IS, |
| new Object[]{null, loader}); |
| ClassLoader parent = loader.getParent(); |
| while (parent != null) { |
| log.log(level, MessageNames.PARENT_CLASS_LOADER_IS, |
| new Object[]{parent}); |
| parent = parent.getParent(); |
| } |
| } |
| |
| public static String stackTrace(Throwable t) { |
| StringWriter s=new StringWriter(); |
| PrintWriter pw=new PrintWriter(s); |
| t.printStackTrace(pw); |
| return s.toString(); |
| } |
| } |