| /* |
| * 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.webbeans.newtests.injection.injectionpoint.beans; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Properties; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import javax.enterprise.inject.Produces; |
| import javax.enterprise.inject.spi.InjectionPoint; |
| import javax.inject.Inject; |
| import org.apache.webbeans.config.PropertyLoader; |
| import org.apache.webbeans.logger.WebBeansLoggerFacade; |
| |
| /** |
| * Factory class for PropertyHolder Annotation. |
| * Defines @Produces methods for PropertyHolder. |
| */ |
| public class PropertyHolderFactory { |
| |
| private static final Logger logger = WebBeansLoggerFacade.getLogger(PropertyHolderFactory.class); |
| |
| //Properties |
| private static final String PROPERTY_FILE = |
| "org/apache/webbeans/newtests/injection/injectionpoint/tests/PlaceHolder.properties"; |
| private volatile static Properties placeHolderProperties; |
| |
| //Inject classes PropertyHolderFactory depends upon. |
| @Inject |
| private DataTransformer dataTransformer; |
| |
| @Inject |
| private PropertyEncryptor propertyEncryptor; |
| |
| /** |
| * Defines retrieval of Properties from placeHolder.properties file in class |
| * path. |
| * |
| * @return Properties |
| */ |
| public synchronized static Properties getProperties() { |
| |
| if (placeHolderProperties == null) { |
| placeHolderProperties = PropertyLoader.getProperties(PROPERTY_FILE); |
| logger.info("loaded "+placeHolderProperties); |
| } |
| return placeHolderProperties; |
| } |
| |
| /** |
| * Defines PropertyHolder value fetch, Producer method. |
| * |
| * @param injectionPoint |
| * @return String |
| */ |
| @Produces |
| @PropertyHolder |
| public String getPlaceHolderValue(InjectionPoint injectionPoint) { |
| |
| logger.log(Level.INFO, "getPlaceHolderValue {0}", injectionPoint); |
| |
| //Get value attribute of the PlaceHolder Annotation |
| String keyName = injectionPoint.getAnnotated().getAnnotation(PropertyHolder.class).value(); |
| |
| //If PlaceHolder value annotation is not specified, Use field name as Key to Properties. |
| if (isBlank(keyName)) { |
| keyName = injectionPoint.getMember().getName(); |
| } |
| |
| //Consturct list for appending |
| List<String> stringList = new ArrayList<String>(); |
| stringList.add(injectionPoint.getMember().getDeclaringClass().getName()); |
| stringList.add("."); |
| stringList.add(keyName); |
| |
| //Constuct KeyName string. |
| keyName = dataTransformer.concatStrings(stringList); |
| logger.info("Fetching value for key: " + keyName); |
| |
| //Check System Property, if its not available check in Properties file. |
| String keyValue = System.getProperty(keyName); |
| if (isBlank(keyValue)) { |
| Properties properties = PropertyHolderFactory.getProperties(); |
| keyValue = properties.getProperty(keyName); |
| } |
| |
| //Check for Encrypted property value |
| keyValue = this.decryptProperty(keyValue); |
| |
| logger.info("Produced property : Key->{" + keyName + "}, Value->{" + keyValue + "}"); |
| |
| |
| return keyValue; |
| }//End Method. |
| |
| /** |
| * Checks if given property value is encrypted. If encrypted, returns the |
| * decrypted value. |
| * |
| * @param propertyValue |
| * @return String |
| */ |
| private String decryptProperty(String propertyValue) { |
| logger.info("Checking if decrypting of value is needed for " + propertyValue); |
| |
| if (!isEmpty(propertyValue) |
| && propertyValue.matches("ENC(\\S+)")) { |
| |
| String decryptPropertyValue = substringBetween(propertyValue, "ENC(", ")"); |
| propertyValue = propertyEncryptor.decryptProperty(decryptPropertyValue); |
| } |
| |
| return propertyValue; |
| } |
| |
| public static boolean isBlank(String str) { |
| int strLen; |
| if (str == null || (strLen = str.length()) == 0) { |
| return true; |
| } |
| for (int i = 0; i < strLen; i++) { |
| if ((Character.isWhitespace(str.charAt(i)) == false)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public static boolean isEmpty(String str) { |
| return str == null || str.length() == 0; |
| } |
| |
| /** |
| * Sets DataTransformer instance. |
| * |
| * @param dataTransformer |
| */ |
| public void setDataTransformer(DataTransformer dataTransformer) { |
| this.dataTransformer = dataTransformer; |
| } |
| public static final int INDEX_NOT_FOUND = -1; |
| |
| public static String substringBetween(String str, String open, String close) { |
| if (str == null || open == null || close == null) { |
| return null; |
| } |
| int start = str.indexOf(open); |
| if (start != INDEX_NOT_FOUND) { |
| int end = str.indexOf(close, start + open.length()); |
| if (end != INDEX_NOT_FOUND) { |
| return str.substring(start + open.length(), end); |
| } |
| } |
| return null; |
| } |
| } |