| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.team.core.diff.provider; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.team.core.diff.*; |
| import org.eclipse.team.internal.core.mapping.SyncInfoToDiffConverter; |
| |
| /** |
| * Abstract implementation of {@link IDiff} that can be subclassed by |
| * clients. |
| * |
| * @see ITwoWayDiff |
| * @see IThreeWayDiff |
| * @since 3.2 |
| */ |
| public abstract class Diff implements IDiff { |
| |
| /** |
| * Constant (bit mask) that defines the area of the status that is reserved |
| * for use by this abstract class for encoding the kind of the diff. |
| * |
| * @see #getStatus() |
| */ |
| public static final int KIND_MASK = 0xFF; |
| |
| private final IPath path; |
| |
| private final int status; |
| |
| /** |
| * Create a diff node. |
| * |
| * @param path the path of the diff |
| * @param status the status of the diff. The kind should be encoded in the |
| * status along with any additional flags required by a subclass. |
| */ |
| protected Diff(IPath path, int status) { |
| this.path = path; |
| this.status = status; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.team.core.synchronize.ISyncDelta#getFullPath() |
| */ |
| public IPath getPath() { |
| return path; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.team.core.synchronize.ISyncDelta#getKind() |
| */ |
| public int getKind() { |
| return getStatus() & KIND_MASK; |
| } |
| |
| /** |
| * Return the status of the diff node. The status is a bit field that |
| * contains the kind and any additional status information that subclasses |
| * need to encode. The first byte of the status is reserved for use by this |
| * abstract class as indicated by the <code>KIND_MASK</code>. |
| * |
| * @return the status of the diff node |
| */ |
| public final int getStatus() { |
| return status; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.core.diff.IDiffNode#toDiffString() |
| */ |
| public String toDiffString() { |
| int kind = getKind(); |
| String label = SyncInfoToDiffConverter.diffKindToString(kind); |
| return label; |
| } |
| } |