| /* |
| * 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.commons.configuration2.beanutils; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.commons.beanutils.DynaBean; |
| import org.apache.commons.beanutils.DynaClass; |
| import org.apache.commons.beanutils.DynaProperty; |
| import org.apache.commons.configuration2.Configuration; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * The {@code ConfigurationDynaClass} dynamically determines properties for |
| * a {@code ConfigurationDynaBean} from a wrapped configuration-collection |
| * {@link org.apache.commons.configuration2.Configuration} instance. |
| * |
| * @since 1.0-rc1 |
| */ |
| public class ConfigurationDynaClass implements DynaClass |
| { |
| /** The logger.*/ |
| private static final Log LOG = LogFactory.getLog(ConfigurationDynaClass.class); |
| |
| /** Stores the associated configuration.*/ |
| private final Configuration configuration; |
| |
| /** |
| * Construct an instance of a {@code ConfigurationDynaClass} |
| * wrapping the specified {@code Configuration} instance. |
| * @param configuration {@code Configuration} instance. |
| */ |
| public ConfigurationDynaClass(final Configuration configuration) |
| { |
| super(); |
| if (LOG.isTraceEnabled()) |
| { |
| LOG.trace("ConfigurationDynaClass(" + configuration + ")"); |
| } |
| this.configuration = configuration; |
| } |
| |
| @Override |
| public DynaProperty getDynaProperty(final String name) |
| { |
| if (LOG.isTraceEnabled()) |
| { |
| LOG.trace("getDynaProperty(" + name + ")"); |
| } |
| |
| if (name == null) |
| { |
| throw new IllegalArgumentException("Property name must not be null!"); |
| } |
| |
| final Object value = configuration.getProperty(name); |
| if (value == null) |
| { |
| return null; |
| } |
| Class<?> type = value.getClass(); |
| |
| if (type == Byte.class) |
| { |
| type = Byte.TYPE; |
| } |
| if (type == Character.class) |
| { |
| type = Character.TYPE; |
| } |
| else if (type == Boolean.class) |
| { |
| type = Boolean.TYPE; |
| } |
| else if (type == Double.class) |
| { |
| type = Double.TYPE; |
| } |
| else if (type == Float.class) |
| { |
| type = Float.TYPE; |
| } |
| else if (type == Integer.class) |
| { |
| type = Integer.TYPE; |
| } |
| else if (type == Long.class) |
| { |
| type = Long.TYPE; |
| } |
| else if (type == Short.class) |
| { |
| type = Short.TYPE; |
| } |
| |
| return new DynaProperty(name, type); |
| } |
| |
| @Override |
| public DynaProperty[] getDynaProperties() |
| { |
| if (LOG.isTraceEnabled()) |
| { |
| LOG.trace("getDynaProperties()"); |
| } |
| |
| final Iterator<String> keys = configuration.getKeys(); |
| final List<DynaProperty> properties = new ArrayList<>(); |
| while (keys.hasNext()) |
| { |
| final String key = keys.next(); |
| final DynaProperty property = getDynaProperty(key); |
| properties.add(property); |
| } |
| |
| final DynaProperty[] propertyArray = new DynaProperty[properties.size()]; |
| properties.toArray(propertyArray); |
| if (LOG.isDebugEnabled()) |
| { |
| LOG.debug("Found " + properties.size() + " properties."); |
| } |
| |
| return propertyArray; |
| } |
| |
| @Override |
| public String getName() |
| { |
| return ConfigurationDynaBean.class.getName(); |
| } |
| |
| @Override |
| public DynaBean newInstance() throws IllegalAccessException, InstantiationException |
| { |
| return new ConfigurationDynaBean(configuration); |
| } |
| } |