Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/AdapterPlug.java @ 709:497e697636fc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents 90df078d6418
children
rev   line source
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
582
90df078d6418 Delegate cancel to original support, do not implement CancelSupport ourselves
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
2 * Copyright (c) 2012-2013 TMate Software Ltd
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.util.ArrayList;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import java.util.HashMap;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.util.List;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.util.Map;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import org.tmatesoft.hg.util.Adaptable;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 /**
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * Implementation of {@link Adaptable} that allows to add ("plug")
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 * adapters as needed
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 *
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 * @author Artem Tikhomirov
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 * @author TMate Software Ltd.
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 */
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 public class AdapterPlug implements Adaptable {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 private final Map<Class<?>, Object> adapters = new HashMap<Class<?>, Object>();
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 private final List<Class<?>> adapterUses = new ArrayList<Class<?>>();
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 public <T> void attachAdapter(Class<T> adapterClass, T instance) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 adapters.put(adapterClass, instance);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 }
582
90df078d6418 Delegate cancel to original support, do not implement CancelSupport ourselves
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
40
90df078d6418 Delegate cancel to original support, do not implement CancelSupport ourselves
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
41 @SuppressWarnings("unchecked")
90df078d6418 Delegate cancel to original support, do not implement CancelSupport ourselves
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
42 public <T> T detachAdapter(Class<T> adapterClass) {
90df078d6418 Delegate cancel to original support, do not implement CancelSupport ourselves
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
43 return (T) adapters.remove(adapterClass);
90df078d6418 Delegate cancel to original support, do not implement CancelSupport ourselves
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
44 }
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 public <T> T getAdapter(Class<T> adapterClass) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 Object instance = adapters.get(adapterClass);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 if (instance != null) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 adapterUses.add(adapterClass);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 return adapterClass.cast(instance);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 return null;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 public int getAdapterUse(Class<?> adapterClass) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 int uses = 0;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 for (Class<?> c : adapterUses) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 if (c == adapterClass) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 uses++;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 return uses;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 }