| /* |
| * 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.profile.impl; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.felix.utils.properties.Properties; |
| import org.apache.felix.utils.properties.TypedProperties; |
| |
| public final class Utils { |
| |
| private Utils() { } |
| |
| public static void assertNotNull(Object object, String message) { |
| if (object == null) { |
| throw new IllegalStateException(message); |
| } |
| } |
| |
| public static void assertTrue(boolean condition, String message) { |
| if (!condition) { |
| throw new IllegalStateException(message); |
| } |
| } |
| |
| public static void assertFalse(boolean condition, String message) { |
| if (condition) { |
| throw new IllegalStateException(message); |
| } |
| } |
| |
| public static String join(CharSequence sep, Iterable<? extends CharSequence> strings) { |
| StringBuilder sb = new StringBuilder(); |
| for (CharSequence str : strings) { |
| if (sb.length() > 0) { |
| sb.append(sep); |
| } |
| sb.append(str); |
| } |
| return sb.toString(); |
| } |
| |
| |
| public static byte[] toBytes(TypedProperties source) { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try { |
| source.save(baos); |
| } catch (IOException ex) { |
| throw new IllegalArgumentException("Cannot store properties", ex); |
| } |
| return baos.toByteArray(); |
| } |
| |
| public static byte[] toBytes(Properties source) { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try { |
| source.save(baos); |
| } catch (IOException ex) { |
| throw new IllegalArgumentException("Cannot store properties", ex); |
| } |
| return baos.toByteArray(); |
| } |
| |
| public static byte[] toBytes(Map<String, Object> source) { |
| return toBytes(toProperties(source)); |
| } |
| |
| public static TypedProperties toProperties(byte[] source) { |
| try { |
| TypedProperties rc = new TypedProperties(false); |
| if (source != null) { |
| rc.load(new ByteArrayInputStream(source)); |
| } |
| return rc; |
| } catch (IOException ex) { |
| throw new IllegalArgumentException("Cannot load properties", ex); |
| } |
| } |
| |
| public static TypedProperties toProperties(Map<String, Object> source) { |
| if (source instanceof TypedProperties) { |
| return (TypedProperties) source; |
| } |
| TypedProperties rc = new TypedProperties(false); |
| rc.putAll(source); |
| return rc; |
| } |
| |
| public static String stripSuffix(String value, String suffix) { |
| if (value.endsWith(suffix)) { |
| return value.substring(0, value.length() - suffix.length()); |
| } else { |
| return value; |
| } |
| } |
| } |