| /******************************************************************************* |
| * Copyright (c) 2005, 2018 Cognos Incorporated, IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Cognos Incorporated - initial API and implementation |
| * IBM Corporation - bug fixes and enhancements |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.cm; |
| |
| import java.io.Serializable; |
| import java.lang.reflect.Array; |
| import java.util.*; |
| import java.util.Map.Entry; |
| |
| /** |
| * ConfigurationDictionary holds the actual configuration data and meets the various comparison |
| * requirements of the Configuration Admin Service specification. |
| */ |
| |
| public class ConfigurationDictionary extends Dictionary<String, Object> implements Serializable { |
| |
| private static final long serialVersionUID = -3583299578203095532L; |
| private static final Collection<Class<?>> simples = Arrays.asList(new Class<?>[] {String.class, Integer.class, Long.class, Float.class, Double.class, Byte.class, Short.class, Character.class, Boolean.class}); |
| private static final Collection<Class<?>> simpleArrays = Arrays.asList(new Class<?>[] {String[].class, Integer[].class, Long[].class, Float[].class, Double[].class, Byte[].class, Short[].class, Character[].class, Boolean[].class}); |
| private static final Collection<Class<?>> primitiveArrays = Arrays.asList(new Class<?>[] {long[].class, int[].class, short[].class, char[].class, byte[].class, double[].class, float[].class, boolean[].class}); |
| |
| static class CaseInsensitiveStringComparator implements Comparator<String>, Serializable { |
| private static final long serialVersionUID = 6501536810492374044L; |
| |
| @Override |
| public int compare(String s1, String s2) { |
| return (s1).compareToIgnoreCase(s2); |
| } |
| } |
| |
| protected final Map<String, Object> configurationProperties = Collections.synchronizedMap(new TreeMap<>(new CaseInsensitiveStringComparator())); |
| |
| private static void validateValue(Object value) { |
| Class<?> clazz = value.getClass(); |
| |
| // Is it in the set of simple types |
| if (simples.contains(clazz)) |
| return; |
| |
| // Is it an array of primitives or simples |
| if (simpleArrays.contains(clazz) || primitiveArrays.contains(clazz)) |
| return; |
| |
| // Is it a Collection of simples |
| if (value instanceof Collection) { |
| for (Object simple : (Collection<?>) value) { |
| Class<?> containedClazz = simple.getClass(); |
| if (!simples.contains(containedClazz)) { |
| throw new IllegalArgumentException(containedClazz.getName() + " in " + clazz.getName()); //$NON-NLS-1$ |
| } |
| } |
| return; |
| } |
| throw new IllegalArgumentException(clazz.getName()); |
| } |
| |
| @Override |
| public Enumeration<Object> elements() { |
| return Collections.enumeration(configurationProperties.values()); |
| } |
| |
| @Override |
| public Object get(Object key) { |
| if (key == null) |
| throw new NullPointerException(); |
| return configurationProperties.get(key); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return configurationProperties.isEmpty(); |
| } |
| |
| @Override |
| public Enumeration<String> keys() { |
| return Collections.enumeration(configurationProperties.keySet()); |
| } |
| |
| @Override |
| public Object put(String key, Object value) { |
| if (key == null || value == null) |
| throw new NullPointerException(); |
| |
| // Will throw an illegal argument exception if not a valid configuration property type |
| validateValue(value); |
| |
| return configurationProperties.put(key, value); |
| } |
| |
| @Override |
| public Object remove(Object key) { |
| if (key == null) |
| throw new NullPointerException(); |
| return configurationProperties.remove(key); |
| } |
| |
| @Override |
| public int size() { |
| return configurationProperties.size(); |
| } |
| |
| ConfigurationDictionary copy() { |
| ConfigurationDictionary result = new ConfigurationDictionary(); |
| for (Entry<String, Object> entry : configurationProperties.entrySet()) { |
| String key = entry.getKey(); |
| Object value = entry.getValue(); |
| if (value.getClass().isArray()) { |
| int arrayLength = Array.getLength(value); |
| Object copyOfArray = Array.newInstance(value.getClass().getComponentType(), arrayLength); |
| System.arraycopy(value, 0, copyOfArray, 0, arrayLength); |
| result.configurationProperties.put(key, copyOfArray); |
| } else if (value instanceof Collection) |
| result.configurationProperties.put(key, new ArrayList<>((Collection<?>) value)); |
| else |
| result.configurationProperties.put(key, value); |
| } |
| return result; |
| } |
| } |