From b76b6e6212784d622ca79bd258fa3e529b353346 Mon Sep 17 00:00:00 2001
From: Thomas Lenz <tlenz@iaik.tugraz.at>
Date: Fri, 28 Sep 2018 14:19:50 +0200
Subject: add first code for eID4U

---
 .../AbstractStringAttributeMarshaller.java         | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 id/server/modules/eID4UExtensions/src/main/java/at/gv/egiz/eid4u/impl/attributes/AbstractStringAttributeMarshaller.java

(limited to 'id/server/modules/eID4UExtensions/src/main/java/at/gv/egiz/eid4u/impl/attributes/AbstractStringAttributeMarshaller.java')

diff --git a/id/server/modules/eID4UExtensions/src/main/java/at/gv/egiz/eid4u/impl/attributes/AbstractStringAttributeMarshaller.java b/id/server/modules/eID4UExtensions/src/main/java/at/gv/egiz/eid4u/impl/attributes/AbstractStringAttributeMarshaller.java
new file mode 100644
index 000000000..c5a019aa2
--- /dev/null
+++ b/id/server/modules/eID4UExtensions/src/main/java/at/gv/egiz/eid4u/impl/attributes/AbstractStringAttributeMarshaller.java
@@ -0,0 +1,49 @@
+package at.gv.egiz.eid4u.impl.attributes;
+
+import eu.eidas.auth.commons.attribute.AttributeValue;
+import eu.eidas.auth.commons.attribute.AttributeValueMarshaller;
+import eu.eidas.auth.commons.attribute.AttributeValueMarshallingException;
+import eu.eidas.auth.commons.attribute.impl.StringAttributeValue;
+
+public abstract class AbstractStringAttributeMarshaller implements AttributeValueMarshaller<String> {
+
+	@Override
+	public String marshal(AttributeValue<String> value) throws AttributeValueMarshallingException {
+		String result = value.getValue();
+		
+		//to validation
+		if (!hasValidForm(result))
+			throw new AttributeValueMarshallingException(
+					"Illegal " + getName() + " value \"" + result + "\"");
+		
+		return result;
+	}
+
+	@Override
+	public AttributeValue<String> unmarshal(String value, boolean isNonLatinScriptAlternateVersion)
+			throws AttributeValueMarshallingException {
+		
+		//to validation
+				if (!hasValidForm(value))
+					throw new AttributeValueMarshallingException(
+							"Illegal " + getName() + " value \"" + value + "\"");
+		
+		return new StringAttributeValue(value);
+	}
+	
+	/**
+	 * Validate a String attribute if required
+	 * 
+	 * @param value String based attribute value
+	 * @return true if valid, otherwise false
+	 */
+	abstract protected boolean hasValidForm(String value);
+	
+	/**
+	 * Get the name of the attribute mashaller
+	 * 
+	 * @return
+	 */
+	abstract protected String getName();
+
+}
-- 
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