1 files changed, 82 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/prov/ui/operations/InstallOperation.java b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/prov/ui/operations/InstallOperation.java
new file mode 100644
index 000000000..2381687e3
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/prov/ui/operations/InstallOperation.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) 2007 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.prov.ui.operations;
+
+import org.eclipse.core.runtime.*;
+import org.eclipse.equinox.prov.core.ProvisionException;
+import org.eclipse.equinox.prov.metadata.IInstallableUnit;
+import org.eclipse.equinox.prov.ui.ProvUIActivator;
+import org.eclipse.equinox.prov.ui.ProvisioningUtil;
+import org.eclipse.equinox.prov.ui.internal.ProvUIMessages;
+
+/**
+ * An operation that installs the specified IU's into the specified profile
+ * 
+ * @since 3.4
+ */
+public class InstallOperation extends ProfileModificationOperation {
+
+	private boolean installed = false;
+
+	public InstallOperation(String label, String profileID, IInstallableUnit[] ius, String entryPointName) {
+		super(label, profileID, ius, entryPointName);
+	}
+
+	protected IStatus doExecute(IProgressMonitor monitor, IAdaptable uiInfo) throws ProvisionException {
+		IStatus status = ProvisioningUtil.install(ius, entryPointName, getProfiles()[0], monitor, uiInfo);
+		if (status.isOK()) {
+			installed = true;
+		}
+		return status;
+	}
+
+	// TODO undo is more likely a rollback than an uninstall?  Need to clarify
+	protected IStatus doUndo(IProgressMonitor monitor, IAdaptable uiInfo) throws ProvisionException {
+		IStatus status = ProvisioningUtil.uninstall(ius, getProfiles()[0], monitor, uiInfo);
+		if (status.isOK()) {
+			installed = false;
+		}
+		return status;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.core.commands.operations.AbstractOperation#canExecute()
+	 */
+	public boolean canExecute() {
+		return isValid() && !installed;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.core.commands.operations.AbstractOperation#canUndo()
+	 */
+	public boolean canUndo() {
+		return isValid() && installed;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * Overridden to use the Oracle to compute the validity of an install.
+	 * @see org.eclipse.equinox.prov.ui.operations.ProvisioningOperation#computeExecutionStatus(org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public IStatus computeExecutionStatus(IProgressMonitor monitor) {
+		try {
+			if (ProvisioningUtil.canInstall(ius, getProfile(), monitor, null))
+				return okStatus();
+			return new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, ProvUIMessages.InstallOperation_CannotInstall, null);
+		} catch (ProvisionException e) {
+			return new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getLocalizedMessage(), e);
+		}
+	}
+}