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1   /**
2    * This file Copyright (c) 2014-2018 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.config.source.yaml;
35  
36  import info.magnolia.config.registry.DefinitionProvider;
37  import info.magnolia.config.registry.DefinitionProviderProblemLogger;
38  import info.magnolia.config.registry.Registry;
39  import info.magnolia.config.source.yaml.decoration.FilePathBasedYamlDefinitionDecoratorResolver;
40  import info.magnolia.init.MagnoliaConfigurationProperties;
41  import info.magnolia.map2bean.Map2BeanTransformer;
42  import info.magnolia.module.ModuleRegistry;
43  import info.magnolia.objectfactory.Components;
44  import info.magnolia.resourceloader.Resource;
45  import info.magnolia.resourceloader.ResourceOrigin;
46  
47  import java.util.HashMap;
48  import java.util.Map;
49  import java.util.function.Consumer;
50  import java.util.function.Function;
51  import java.util.regex.Pattern;
52  
53  import org.slf4j.Logger;
54  import org.slf4j.LoggerFactory;
55  import org.yaml.snakeyaml.constructor.Construct;
56  
57  /**
58   * Configuration source for yaml configuration files.
59   *
60   * @param <T> type the source will provide
61   */
62  public class YamlConfigurationSource<T> extends AbstractFileResourceConfigurationSource<T> {
63  
64      private static Logger log = LoggerFactory.getLogger(YamlConfigurationSource.class);
65  
66      private final Map2BeanTransformer map2BeanTransformer;
67  
68      private final YamlReader yamlReader;
69  
70      private final MagnoliaConfigurationProperties magnoliaConfigurationProperties;
71  
72      private final ModuleRegistry moduleRegistry;
73      private final Map<String, Function<Consumer<DefinitionProvider.Problem>, Construct>> customConstructs;
74      private final Map<String, Function<Consumer<DefinitionProvider.Problem>, Construct>> customMultiConstructs;
75  
76      /**
77       * @param pathPattern a regular expression pattern used to determine whether a file should be considered by the source or not. If the pattern contains a group, it will be used to determine the name of the given object, if not explicitly configured.
78       */
79      public YamlConfigurationSource(ResourceOrigin origin,
80                                     Map2BeanTransformer map2BeanTransformer,
81                                     Registry<T> registry, Pattern pathPattern,
82                                     YamlReader yamlReader,
83                                     MagnoliaConfigurationProperties magnoliaConfigurationProperties,
84                                     ModuleRegistry moduleRegistry,
85                                     Map<String, Function<Consumer<DefinitionProvider.Problem>, Construct>> customConstructs,
86                                     Map<String, Function<Consumer<DefinitionProvider.Problem>, Construct>> customMultiConstructs) {
87          super(origin, registry, pathPattern, moduleRegistry);
88          this.map2BeanTransformer = map2BeanTransformer;
89          this.yamlReader = yamlReader;
90          this.magnoliaConfigurationProperties = magnoliaConfigurationProperties;
91          this.moduleRegistry = moduleRegistry;
92          this.customConstructs = customConstructs;
93          this.customMultiConstructs = customMultiConstructs;
94      }
95  
96      /**
97       * @deprecated since 5.5 - use {@link #YamlConfigurationSource(ResourceOrigin, Map2BeanTransformer, Registry, Pattern, YamlReader, MagnoliaConfigurationProperties, ModuleRegistry)} instead.
98       */
99      @Deprecated
100     public YamlConfigurationSource(ResourceOrigin origin, info.magnolia.config.map2bean.Map2BeanTransformer map2BeanTransformer, Registry<T> registry, Pattern pathPattern, YamlReader yamlReader) {
101         this(origin, map2BeanTransformer, registry, pathPattern, yamlReader, Components.getComponent(MagnoliaConfigurationProperties.class), Components.getComponent(ModuleRegistry.class));
102     }
103 
104     /**
105      * @deprecated since 5.5.6 - use {@link #YamlConfigurationSource(ResourceOrigin, Map2BeanTransformer, Registry, Pattern, YamlReader, MagnoliaConfigurationProperties, ModuleRegistry)} instead.
106      */
107     @Deprecated
108     public YamlConfigurationSource(ResourceOrigin origin, Map2BeanTransformer map2BeanTransformer, Registry<T> registry, Pattern pathPattern, YamlReader yamlReader, MagnoliaConfigurationProperties magnoliaConfigurationProperties) {
109         this(origin, map2BeanTransformer, registry, pathPattern, yamlReader, magnoliaConfigurationProperties, Components.getComponent(ModuleRegistry.class));
110     }
111 
112     /**
113      * @deprecated since 6.1 - use {@link #YamlConfigurationSource(ResourceOrigin, Map2BeanTransformer, Registry, Pattern, YamlReader, MagnoliaConfigurationProperties, ModuleRegistry, Map, Map)} instead.
114      */
115     @Deprecated
116     public YamlConfigurationSource(ResourceOrigin origin, Map2BeanTransformer map2BeanTransformer, Registry<T> registry, Pattern pathPattern, YamlReader yamlReader, MagnoliaConfigurationProperties magnoliaConfigurationProperties, ModuleRegistry moduleRegistry) {
117         this(origin, map2BeanTransformer, registry, pathPattern, yamlReader, magnoliaConfigurationProperties, moduleRegistry, new HashMap<>(), new HashMap<>());
118     }
119 
120     @Override
121     protected void startDecoration() {
122         registerDefinitionDecoratorResolver(new FilePathBasedYamlDefinitionDecoratorResolver(map2BeanTransformer, getRegistry(), magnoliaConfigurationProperties));
123         super.startDecoration();
124     }
125 
126     @Override
127     public void loadAndRegister(Resource resource) {
128         if (resource == null) {
129             throw new IllegalStateException("Resource cannot be null");
130         }
131 
132         final YamlDefinitionProvider<T> definitionProvider = new YamlDefinitionProvider<>(
133                 this,
134                 resource,
135                 map2BeanTransformer,
136                 yamlReader,
137                 moduleRegistry,
138                 customConstructs,
139                 customMultiConstructs
140         );
141 
142         getRegistry().register(definitionProvider);
143 
144         log.info("Registered definition from YAML file [{}]: {}", resource.getPath(), definitionProvider.getMetadata());
145 
146         DefinitionProviderProblemLogger
147                 .withLoggingContext(log, magnoliaConfigurationProperties.getBooleanProperty("magnolia.develop"))
148                 .logProblems(definitionProvider);
149     }
150 }