1 files changed, 73 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/prov/tests/artifact/repository/processing/ByteShifter.java b/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/prov/tests/artifact/repository/processing/ByteShifter.java
new file mode 100644
index 000000000..6ed97709d
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/prov/tests/artifact/repository/processing/ByteShifter.java
@@ -0,0 +1,73 @@
+/*******************************************************************************
+* Copyright (c) 2007 compeople AG and others.
+* 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:
+* 	compeople AG (Stefan Liebig) - initial API and implementation
+*  IBM - continuing development
+*******************************************************************************/
+package org.eclipse.equinox.prov.tests.artifact.repository.processing;
+
+import java.io.IOException;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.equinox.internal.prov.artifact.repository.Activator;
+import org.eclipse.equinox.prov.artifact.repository.IArtifactDescriptor;
+import org.eclipse.equinox.prov.artifact.repository.processing.ProcessingStep;
+import org.eclipse.equinox.prov.artifact.repository.processing.ProcessingStepDescriptor;
+
+public class ByteShifter extends ProcessingStep {
+
+	protected int operand;
+
+	public ByteShifter() {
+		super();
+	}
+
+	public ByteShifter(int shiftLeft) {
+		super();
+		this.operand = shiftLeft;
+		basicInitialize(null);
+	}
+
+	private void basicInitialize(ProcessingStepDescriptor descriptor) {
+		// if the status is already set to something that not ok, we've already found a problem.
+		if (status != null && status.getCode() != IStatus.OK)
+			return;
+
+		int code;
+		// if there is a descriptor, decide if the "bad case" is an error or info.  If no 
+		// descriptor then default to error.
+		if (descriptor != null)
+			code = descriptor.isRequired() ? IStatus.ERROR : IStatus.INFO;
+		else
+			code = IStatus.ERROR;
+
+		// finally, check the actual setup and set the status.
+		if (operand <= 0)
+			status = new Status(code, Activator.ID, "ByteShifter operand invalid: " + operand);
+	}
+
+	public void initialize(ProcessingStepDescriptor descriptor, IArtifactDescriptor context) {
+		super.initialize(descriptor, context);
+		try {
+			operand = Integer.valueOf(descriptor.getData()).intValue();
+		} catch (NumberFormatException e) {
+			int code = descriptor.isRequired() ? IStatus.ERROR : IStatus.INFO;
+			status = new Status(code, Activator.ID, "ByteShifter operand specification invalid", e);
+			return;
+		}
+		basicInitialize(descriptor);
+	}
+
+	public void write(int b) throws IOException {
+		destination.write(b == -1 ? b : b << operand);
+	}
+
+	public IStatus getStatus() {
+		return Status.OK_STATUS;
+	}
+}