new files for key/value config

1 files changed, 101 insertions, 0 deletions

diff --git a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java
new file mode 100644
index 000000000..626db2167
--- /dev/null
+++ b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/KeyValueUtils.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2014 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.gv.egovernment.moa.id.commons.utils;
+
+/**
+ * @author tlenz
+ *
+ */
+public class KeyValueUtils {
+	
+	/**
+	 * Extract the first child of an input key after a the prefix
+	 * 
+	 * @param key: Full input key 
+	 * @param prefix: Prefix 
+	 * @return Child key {String} if it exists or null
+	 */
+	public static String getFirstChildAfterPrefix(String key, String prefix) {		
+		String idAfterPrefix = removePrefixFromKey(key, prefix);
+		if (idAfterPrefix != null) {
+			int index = idAfterPrefix.indexOf(".");
+			if (index > 0) {
+				String adding = idAfterPrefix.substring(0, index);
+				if (!(adding.isEmpty())) {
+					return adding;
+					
+				}
+			} else if (!(idAfterPrefix.isEmpty())) {
+				return idAfterPrefix;
+				
+			}
+			
+		}					
+		return null;
+	}
+	
+	/**
+	 * Extract the prefix from an input key
+	 * 
+	 * @param key: Full input key
+	 * @param suffix: Suffix of this key
+	 * @return Prefix {String} of the key or null if input key does not ends with postfix string 
+	 */
+	public static String getPrefixFromKey(String key, String suffix) {
+		if (key != null && key.endsWith(suffix)) {
+			String idPreforeSuffix = key.substring(0, key.length()-suffix.length());			
+			if (idPreforeSuffix.endsWith("."))
+				return idPreforeSuffix.substring(0, idPreforeSuffix.length()-1);
+			else
+				return idPreforeSuffix;
+		}
+		return null;
+		
+	}
+	
+	/**
+	 * Remove a prefix string from a key
+	 * 
+	 * @param key: Full input key
+	 * @param prefix: Prefix, which should be removed
+	 * @return The suffix of the input key or null if the input does not starts with the prefix
+	 */
+	public static String removePrefixFromKey(String key, String prefix) {
+		if (prefix == null)
+			prefix = new String();
+		
+		if (key!=null && key.startsWith(prefix)) {
+			String afterPrefix = key.substring(prefix.length()); 
+			int index = afterPrefix.indexOf(".");
+
+			if (index == 0) {
+				afterPrefix = afterPrefix.substring(1);
+				
+			}
+			return afterPrefix;
+			
+		}		
+		return null;
+	}
+	
+}