diff options
Diffstat (limited to 'ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/util/PortalApiProperties.java')
-rw-r--r-- | ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/util/PortalApiProperties.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/util/PortalApiProperties.java b/ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/util/PortalApiProperties.java new file mode 100644 index 00000000..3d5ddae8 --- /dev/null +++ b/ecomp-sdk/epsdk-fw/src/main/java/org/onap/portalsdk/core/onboarding/util/PortalApiProperties.java @@ -0,0 +1,124 @@ +/* + * ============LICENSE_START========================================== + * ONAP Portal SDK + * =================================================================== + * Copyright © 2017 AT&T Intellectual Property. All rights reserved. + * =================================================================== + * + * Unless otherwise specified, all software contained herein is licensed + * under the Apache License, Version 2.0 (the “License”); + * you may not use this software 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. + * + * Unless otherwise specified, all documentation contained herein is licensed + * under the Creative Commons License, Attribution 4.0 Intl. (the “License”); + * you may not use this documentation except in compliance with the License. + * You may obtain a copy of the License at + * + * https://creativecommons.org/licenses/by/4.0/ + * + * Unless required by applicable law or agreed to in writing, documentation + * 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. + * + * ============LICENSE_END============================================ + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.portalsdk.core.onboarding.util; + +import java.io.IOException; +import java.io.InputStream; +import java.util.Properties; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +/** + * Singleton Class representing portal properties. Searches the classpath for + * the file "portal.properties". + * + * To put the file "portal.properties" on the classpath, it can be in the same + * directory where the first package folder is - 'myClasses' folder in the + * following case as an example: + * + */ +public class PortalApiProperties { + + private static final Log logger = LogFactory.getLog(PortalApiProperties.class); + + private static Properties properties; + private static String propertyFileName = "portal.properties"; + + private static final Object lockObject = new Object(); + + /** + * Constructor is private. + */ + private PortalApiProperties() { + } + + /** + * Gets the property value for the specified key. If a value is found, leading + * and trailing space is trimmed. + * + * @param property + * Property key + * @return Value for the named property; null if the property file was not + * loaded or the key was not found. + */ + public static String getProperty(String property) { + if (properties == null) { + synchronized (lockObject) { + try { + if (!initialize()) { + logger.error("Failed to read property file " + propertyFileName); + return null; + } + } catch (IOException e) { + logger.error("Failed to read property file " + propertyFileName, e); + return null; + } + } + } + String value = properties.getProperty(property); + if (value != null) + value = value.trim(); + return value; + } + + /** + * Reads properties from a portal.properties file on the classpath. + * + * Clients do NOT need to call this method. Clients MAY call this method to test + * whether the properties file can be loaded successfully. + * + * @return True if properties were successfully loaded, else false. + * @throws IOException + * On failure + */ + public static boolean initialize() throws IOException { + if (properties != null) + return true; + InputStream in = PortalApiProperties.class.getClassLoader().getResourceAsStream(propertyFileName); + if (in == null) + return false; + properties = new Properties(); + try { + properties.load(in); + } finally { + in.close(); + } + return true; + } +} |