1 /*
2 * This file is part of *** M y C o R e ***
3 * See http://www.mycore.de/ for details.
4 *
5 * MyCoRe is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * MyCoRe is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with MyCoRe. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 package org.mycore.common;
20
21 import java.nio.file.Files;
22 import java.nio.file.Path;
23 import java.nio.file.Paths;
24 import java.util.Optional;
25
26 import org.apache.logging.log4j.LogManager;
27 import org.apache.logging.log4j.Logger;
28 import org.mycore.common.config.MCRConfiguration2;
29
30 /**
31 * @author Sebastian Hofmann
32 */
33 public class MCRDeveloperTools {
34
35 private static final Logger LOGGER = LogManager.getLogger();
36
37 /**
38 * @return true if any override is defined
39 */
40 public static boolean overrideActive() {
41 return MCRConfiguration2.getString("MCR.Developer.Resource.Override").isPresent();
42 }
43
44 /**
45 * Reads the property <code>MCR.Developer.Resource.Override</code> and checks if any of the containing paths
46 * contains the path parameter.
47 * @param path the resource to override
48 * @param webResource if true META-INF/resources will be appended to the paths in the property
49 * @return the path to new file
50 */
51 public static Optional<Path> getOverriddenFilePath(String path, boolean webResource) {
52 if (overrideActive()) {
53 final String[] pathParts = path.split("/");
54
55 return MCRConfiguration2
56 .getOrThrow("MCR.Developer.Resource.Override", MCRConfiguration2::splitValue)
57 .map(Paths::get)
58 .map(p -> webResource ? p.resolve("META-INF").resolve("resources") : p)
59 .map(p -> MCRUtils.safeResolve(p, pathParts))
60 .filter(Files::exists)
61 .peek(p -> LOGGER.debug("Found overridden Resource: {}", p.toAbsolutePath().toString()))
62 .findFirst();
63 }
64 return Optional.empty();
65 }
66 }