1 files changed, 81 insertions, 0 deletions
diff --git a/plugins/infra/core/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/util/ListHelper.java b/plugins/infra/core/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/util/ListHelper.java
new file mode 100644
index 00000000000..382c964daa5
--- /dev/null
+++ b/plugins/infra/core/org.eclipse.papyrus.infra.tools/src/org/eclipse/papyrus/infra/tools/util/ListHelper.java
@@ -0,0 +1,81 @@
+/*****************************************************************************
+ * Copyright (c) 2012 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:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.tools.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ListHelper {
+
+	/**
+	 * Converts an array to a List
+	 *
+	 * This method is similar to Arrays.asList, except that it returns
+	 * a writeable list
+	 *
+	 * @param array
+	 *            The array to transform into a List
+	 * @return
+	 *         A List containing the same elements as the array
+	 */
+	public static <T> List<T> asList(T[] array) {
+		if (array == null) {
+			return new ArrayList<T>();
+		}
+
+		List<T> result = new ArrayList<T>(array.length);
+		for (T t : array) {
+			result.add(t);
+		}
+		return result;
+	}
+
+	/**
+	 * Invokes the toString() method recursively on this list's elements.
+	 * The values are separated by ", "
+	 *
+	 * @param list
+	 *            The list whose string representation to return
+	 * @return
+	 *
+	 * @see #deepToString(List, String)
+	 */
+	public static String deepToString(List<?> list) {
+		return deepToString(list, ", ");
+	}
+
+	/**
+	 * Invokes the toString() method recursively on this list's elements.
+	 * The values are separated by the given separator
+	 *
+	 * @param list
+	 *            The list whose string representation to return
+	 * @param separator
+	 *            The string to insert between each element's string representation
+	 * @return
+	 *
+	 * @see #deepToString(List)
+	 */
+	public static String deepToString(List<?> list, String separator) {
+		boolean firstElement = true;
+		String result = "";
+		for (Object item : list) {
+			if (firstElement) {
+				firstElement = false;
+			} else {
+				result += separator;
+			}
+			result += item == null ? null : item.toString();
+		}
+		return result;
+	}
+}