1 files changed, 44 insertions, 0 deletions
diff --git a/extraplugins/alf/core/org.eclipse.papyrus.uml.alf.text/src/org/eclipse/papyrus/uml/alf/text/representation/compare/StringUtil.java b/extraplugins/alf/core/org.eclipse.papyrus.uml.alf.text/src/org/eclipse/papyrus/uml/alf/text/representation/compare/StringUtil.java
new file mode 100644
index 00000000000..e3120567d8d
--- /dev/null
+++ b/extraplugins/alf/core/org.eclipse.papyrus.uml.alf.text/src/org/eclipse/papyrus/uml/alf/text/representation/compare/StringUtil.java
@@ -0,0 +1,44 @@
+/*****************************************************************************
+ * Copyright (c) 2015 CEA LIST.
+ *
+ *    
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *  Jeremie Tatibouet
+ * 
+ *****************************************************************************/
+package org.eclipse.papyrus.uml.alf.text.representation.compare;
+
+public class StringUtil {
+
+	public static final char CHAR_EOL = '\n';
+	public static final String EOL = "\n";
+
+	/**
+	 * Return true if the given string is not negligible to be used in a comparison
+	 * 
+	 * @param str
+	 *            - the assessed string
+	 * @return negligible
+	 */
+	public static final boolean isNegligible(String str) {
+		boolean negligible = true;
+		if (!str.isEmpty()) {
+			int i = 0;
+			while (negligible && i < str.length()) {
+				if (str.charAt(i) != '\n'
+						&& str.charAt(i) != '\r'
+						&& str.charAt(i) != ' '
+						&& str.charAt(i) != '\t') {
+					negligible = false;
+				}
+				i++;
+			}
+		}
+		return negligible;
+	}
+}