Classes

Class	Line #	Total Statements	% Filtered	Complexity	Uncovered Elements	TOTAL Coverage	Actions
I18nContainerRequestFilter	62	23	0%	15	44	0.00%	Show methods

Class I18nContainerRequestFilter

Class I18nContainerRequestFilter	Line # 62	Total Statements 23	% Filtered 0%	Complexity 15	Uncovered Elements 44	TOTAL Coverage 0.00%
I18nContainerRequestFilter()   I18nContainerRequestFilter()	6868	1.01	0.00%	1.01	1.01	0.0 0.00%
filter(ContainerRequestContext) : void   filter(ContainerRequestContext) : void	7272	7.07	0.00%	4.04	13.013	0.0 0.00%
determineLocaleFromQueryParameter(MultivaluedMap<String, String>) : Locale   determineLocaleFromQueryParameter(MultivaluedMap<String, String>) : Locale	8787	7.07	0.00%	3.03	11.011	0.0 0.00%
determineLocaleFromRequest(ContainerRequestContext) : Locale   determineLocaleFromRequest(ContainerRequestContext) : Locale	100100	7.07	0.00%	5.05	11.011	0.0 0.00%
isValidLanguageTag(String) : boolean   isValidLanguageTag(String) : boolean	114114	1.01	0.00%	2.02	3.03	0.0 0.00%

 

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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.rest.delivery.jcr.i18n;
35
36		import info.magnolia.cms.i18n.I18nContentSupport;
37		import info.magnolia.objectfactory.Components;
38
39		import java.io.IOException;
40		import java.util.List;
41		import java.util.Locale;
42		import java.util.Locale.LanguageRange;
43
44		import javax.ws.rs.BadRequestException;
45		import javax.ws.rs.container.ContainerRequestContext;
46		import javax.ws.rs.container.ContainerRequestFilter;
47		import javax.ws.rs.core.MultivaluedMap;
48		import javax.ws.rs.core.Variant;
49		import javax.ws.rs.ext.Provider;
50
51		import org.apache.commons.collections4.CollectionUtils;
52		import org.apache.commons.lang3.LocaleUtils;
53		import org.apache.commons.lang3.StringUtils;
54
55		/**
56		* This filter determines a locale by detecting "Accept-Language" HTTP header and the "lang" request parameter.
57		* "lang" parameter has higher priority than "Accept-Language" header.
58		* If the locale can't be determined, {@link I18nContentSupport} will do the job.
59		*/
60		@Provider
61		@I18n
		0% Uncovered Elements: 44 (44) Complexity: 15 Complexity Density: 0.65
62		public class I18nContainerRequestFilter implements ContainerRequestFilter {
63		private static final String LANGUAGE_PARAM = "lang";
64		private static final String ALL_LANGUAGE_PARAM = "all";
65
66		private final I18nContentSupport i18nContentSupport;
67
		0% Uncovered Elements: 1 (1) Complexity: 1 Complexity Density: 1
68	0	public I18nContainerRequestFilter() {...
69	0	this.i18nContentSupport = Components.getComponent(I18nContentSupport.class);
70		}
71
		0% Uncovered Elements: 13 (13) Complexity: 4 Complexity Density: 0.57
72	0	@Override...
73		public void filter(ContainerRequestContext containerRequestContext) throws IOException {
74	0	if (ALL_LANGUAGE_PARAM.equalsIgnoreCase(containerRequestContext.getUriInfo().getQueryParameters().getFirst(LANGUAGE_PARAM))) {
75	0	return;
76		}
77	0	Locale preferredLocale = determineLocaleFromQueryParameter(containerRequestContext.getUriInfo().getQueryParameters());
78	0	if (preferredLocale == null) {
79	0	preferredLocale = determineLocaleFromRequest(containerRequestContext);
80		}
81
82	0	if (preferredLocale != null) {
83	0	i18nContentSupport.setLocale(preferredLocale);
84		}
85		}
86
		0% Uncovered Elements: 11 (11) Complexity: 3 Complexity Density: 0.43
87	0	private Locale determineLocaleFromQueryParameter(MultivaluedMap<String, String> queryParameters) {...
88	0	if (!queryParameters.containsKey(LANGUAGE_PARAM)) {
89	0	return null;
90		}
91	0	String localeString = queryParameters.getFirst(LANGUAGE_PARAM);
92		// Allows to request single language only.
93	0	if (!isValidLanguageTag(localeString)) {
94	0	throw new BadRequestException(String.format("Language parameter: %s is not allowed", localeString));
95		}
96	0	List<LanguageRange> ranges = LanguageRange.parse(localeString);
97	0	return Locale.lookup(ranges, i18nContentSupport.getLocales());
98		}
99
		0% Uncovered Elements: 11 (11) Complexity: 5 Complexity Density: 0.71
100	0	private Locale determineLocaleFromRequest(ContainerRequestContext request) {...
101	0	if (CollectionUtils.isEmpty(i18nContentSupport.getLocales()) || CollectionUtils.isEmpty(request.getAcceptableLanguages())) {
102	0	return null;
103		}
104		// Accepts only for available languages.
105	0	List<Variant> variantList = Variant.VariantListBuilder.newInstance().languages(i18nContentSupport.getLocales().toArray(new Locale[] {})).build();
106	0	Variant bestMatch = request.getRequest().selectVariant(variantList);
107
108	0	if (bestMatch != null && bestMatch.getLanguage() != null) {
109	0	return bestMatch.getLanguage();
110		}
111	0	return null;
112		}
113
		0% Uncovered Elements: 3 (3) Complexity: 2 Complexity Density: 2
114	0	private boolean isValidLanguageTag(String languageTag) {...
115	0	return StringUtils.isBlank(languageTag) ?
116		false :
117		LocaleUtils.availableLocaleList().stream()
118		.anyMatch(locale -> locale.toLanguageTag().equalsIgnoreCase(languageTag));
119		}
120		}