1 files changed, 52 insertions, 0 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/SafeInterruptibleTransformerWrapper.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/SafeInterruptibleTransformerWrapper.java
new file mode 100644
index 0000000000..bf62cc7bf3
--- /dev/null
+++ b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/SafeInterruptibleTransformerWrapper.java
@@ -0,0 +1,52 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Oracle. 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:
+ *     Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.common.utility.internal.transformer;
+
+import org.eclipse.jpt.common.utility.exception.ExceptionHandler;
+import org.eclipse.jpt.common.utility.internal.ObjectTools;
+import org.eclipse.jpt.common.utility.transformer.InterruptibleTransformer;
+
+/**
+ * @see SafeTransformerWrapper
+ */
+public class SafeInterruptibleTransformerWrapper<I, O>
+	implements InterruptibleTransformer<I, O>
+{
+	private final InterruptibleTransformer<? super I, ? extends O> transformer;
+	private final ExceptionHandler exceptionHandler;
+	private final O exceptionOutput;
+
+
+	public SafeInterruptibleTransformerWrapper(InterruptibleTransformer<? super I, ? extends O> transformer, ExceptionHandler exceptionHandler, O exceptionOutput) {
+		super();
+		if ((transformer == null) || (exceptionHandler == null)) {
+			throw new NullPointerException();
+		}
+		this.transformer = transformer;
+		this.exceptionHandler = exceptionHandler;
+		this.exceptionOutput = exceptionOutput;
+	}
+
+	public O transform(I input) throws InterruptedException {
+		try {
+			return this.transformer.transform(input);
+		} catch (InterruptedException ex) {
+			throw ex;
+		} catch (Throwable ex) {
+			this.exceptionHandler.handleException(ex);
+			return this.exceptionOutput;
+		}
+	}
+
+	@Override
+	public String toString() {
+		return ObjectTools.toString(this, this.transformer);
+	}
+}