plugins/org.eclipse.epp.installer.core.linux/src/org/eclipse/epp/installer/internal/linux/core/operations/CreateRegistryKeyOperation.java

package org.eclipse.epp.installer.internal.linux.core.operations;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.epp.installer.core.IErrorConstants;
import org.eclipse.epp.installer.core.Linux;
import org.eclipse.epp.installer.core.model.Context;
import org.eclipse.epp.installer.core.model.InstallOperation;
import org.eclipse.epp.installer.internal.core.InstallLogEntry;
import org.eclipse.epp.installer.internal.linux.core.Markers;
import org.eclipse.epp.installer.internal.linux.core.MarkersComparableWarning;


public class CreateRegistryKeyOperation extends InstallOperation {
	/**
	 * Log entry opcode for this operation.
	 */
	public final static int REGISTRY_CREATE_KEY = (int) 'K';

	/**
	 * Registry path in HKEY_LOCAL_MACHINE.
	 */
	private String path;

	/**
	 * Registry key name.
	 */
	private String name;

	/**
	 * Construct new instance of CreateRegistryKeyOperation, with path and key
	 * name.
	 * 
	 * @param path
	 *            registry path, in HKEY_LOCAL_MACHINE section of registry.
	 * @param name
	 *            key name.
	 */
	public CreateRegistryKeyOperation(String path, String name) {
		this.path = path;
		this.name = name;
	}

	protected IStatus run(Context installer) {
		if (!Markers.checkWriteRootPermissions(path)) {
			String atPath = Markers.checkWriteRootPermissionsAt(path);
			return new MarkersComparableWarning(atPath, IStatus.WARNING,
					Linux.PLUGIN_ID, 0, "Failed to access Markers registry at:"
							+ path, null);
		}
		Markers.MarkerKey key = Markers.openKey(path, name);
		if (key != null) {
			installer.getInstallLog()
					.addEntry(
							new InstallLogEntry(REGISTRY_CREATE_KEY, path + "/"
									+ name));
			return Status.OK_STATUS;
		} else {
			return new Status(IStatus.ERROR, Linux.PLUGIN_ID,
					IErrorConstants.ERROR_REGISTRY_ERROR,
					"Can't create marker key: " + name, null);
		}
	}

}