1 /**
2 * This file Copyright (c) 2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.ui.contentapp.action;
35
36 import static java.util.stream.Collectors.toSet;
37
38 import info.magnolia.jcr.util.NodeNameHelper;
39 import info.magnolia.ui.ValueContext;
40 import info.magnolia.ui.api.action.AbstractAction;
41 import info.magnolia.ui.api.action.ActionDefinition;
42 import info.magnolia.ui.api.action.ActionExecutionException;
43
44 import javax.inject.Inject;
45 import javax.jcr.Item;
46 import javax.jcr.RepositoryException;
47
48 import com.machinezoo.noexception.Exceptions;
49
50 import lombok.AccessLevel;
51 import lombok.Getter;
52
53 /**
54 * Base implementation of the JCR item related actions. Applies an operation
55 * defined by implementation {@link AbstractJcrAction#process(Item)} API separately on
56 * each item stored in {@link ValueContext}.
57 *
58 * @param <D> ActionDefinition type. * @param <T>
59 * @param <T> {@link javax.jcr.Node} or {@link javax.jcr.Property} class.
60 */
61 @Getter(AccessLevel.PROTECTED)
62 public abstract class AbstractJcrAction<T extends Item, D extends ActionDefinition> extends AbstractAction<D> {
63
64 private final NodeNameHelper nodeNameHelper;
65 private final ValueContext<T> valueContext;
66
67 @Inject
68 public AbstractJcrAction(D definition, ValueContext<T> valueContext, NodeNameHelper nodeNameHelper) {
69 super(definition);
70 this.valueContext = valueContext;
71 this.nodeNameHelper = nodeNameHelper;
72 }
73
74 @Override
75 public void execute() throws ActionExecutionException {
76 valueContext.set(valueContext.get()
77 .map(Exceptions.wrap().function(this::process))
78 .collect(toSet()));
79 }
80
81 protected abstract T process(T node) throws RepositoryException;
82 }