| /* |
| * 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.nifi.properties; |
| |
| import java.util.Enumeration; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| /** |
| * A Properties-backed implementation of ReadableProperties. |
| */ |
| public class StandardReadableProperties implements ReadableProperties { |
| |
| private final Properties rawProperties = new Properties(); |
| |
| public StandardReadableProperties(final Properties properties) { |
| rawProperties.putAll(properties); |
| } |
| |
| public StandardReadableProperties(final Map<String, String> properties) { |
| rawProperties.putAll(properties); |
| } |
| |
| @Override |
| public String getProperty(final String key) { |
| return rawProperties.getProperty(key); |
| } |
| |
| @Override |
| public String getProperty(final String key, String defaultValue) { |
| return rawProperties.getProperty(key, defaultValue); |
| } |
| |
| @Override |
| public Set<String> getPropertyKeys() { |
| Set<String> propertyNames = new HashSet<>(); |
| Enumeration e = rawProperties.propertyNames(); |
| for (; e.hasMoreElements(); ){ |
| propertyNames.add((String) e.nextElement()); |
| } |
| |
| return propertyNames; |
| } |
| |
| protected Properties getRawProperties() { |
| return rawProperties; |
| } |
| |
| /** |
| * Returns the size of the properties. |
| * @return The size of the properties (number of keys) |
| */ |
| public int size() { |
| return rawProperties.size(); |
| } |
| } |