001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * SonarQube is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.api;
021    
022    import java.lang.annotation.ElementType;
023    import java.lang.annotation.Retention;
024    import java.lang.annotation.RetentionPolicy;
025    import java.lang.annotation.Target;
026    
027    /**
028     * Property value can be set in different ways :
029     * <ul>
030     * <li>System property</li>
031     * <li>Maven command-line (-Dfoo=bar)</li>
032     * <li>Maven pom.xml (element <properties>)</li>
033     * <li>Maven settings.xml</li>
034     * <li>Sonar web interface</li>
035     * </ul>
036     * <p/>
037     * Value is accessible in batch extensions via the Configuration object of class <code>org.sonar.api.resources.Project</code>
038     * (see method <code>getConfiguration()</code>).
039     * <p/>
040     * <p><strong>Must be used in <code>org.sonar.api.Plugin</code> classes only.</strong></p>
041     * <p></p>
042     * It's recommended to use the class {@link org.sonar.api.config.PropertyDefinition} since v3.6.
043     *
044     * @since 1.10
045     */
046    @Retention(RetentionPolicy.RUNTIME)
047    @Target(ElementType.TYPE)
048    public @interface Property {
049    
050      /**
051       * Unique key within all plugins. It's recommended to prefix the key by 'sonar.' and the plugin name. Examples :
052       * 'sonar.cobertura.reportPath' and 'sonar.cpd.minimumTokens'.
053       */
054      String key();
055    
056      /**
057       * The empty string "" is considered as null, so it's not possible to have empty strings for default values.
058       */
059      String defaultValue() default "";
060    
061      String name();
062    
063      String description() default "";
064    
065      /**
066       * @since 2.11
067       * @see org.sonar.api.config.PropertyDefinition#category()
068       */
069      String category() default "";
070    
071      /**
072       * Is the property displayed in project settings page ?
073       */
074      boolean project() default false;
075    
076      /**
077       * Is the property displayed in module settings page ? A module is a maven sub-project.
078       */
079      boolean module() default false;
080    
081      /**
082       * Is the property displayed in global settings page ?
083       */
084      boolean global() default true;
085    
086      /**
087       * @since 3.0
088       */
089      PropertyType type() default PropertyType.STRING;
090    
091      /**
092       * Options for *_LIST types
093       *
094       * @since 3.0  Options for property of type PropertyType.SINGLE_SELECT_LIST</code>
095       * For example {"property_1", "property_3", "property_3"}).
096       *
097       * @since 3.3  Options for property of type PropertyType.METRIC</code>.
098       * If no option is specified, any metric will match.
099       * If options are specified, all must match for the metric to be displayed.
100       * Three types of filter are supported <code>key:REGEXP</code>, <code>domain:REGEXP</code> and <code>type:comma_separated__list_of_types</code>.
101       * For example <code>key:new_.*</code> will match any metric which key starts by <code>new_</code>.
102       * For example <code>type:INT,FLOAT</code> will match any metric of type <code>INT</code> or <code>FLOAT</code>.
103       * For example <code>type:NUMERIC</code> will match any metric of numerictype.
104       */
105      String[] options() default {};
106    
107      /**
108       * Can the property take multiple values. Eg: list of email addresses.
109       *
110       * @since 3.3
111       */
112      boolean multiValues() default false;
113    
114      /**
115       * A Property of type <code>PropertyType.PROPERTY_SET</code> can reference a set of properties
116       * by its key.
117       *
118       * @since 3.3
119       */
120      String propertySetKey() default "";
121    
122      /**
123       * A Property with fields is considered a property set.
124       *
125       * @since 3.3
126       */
127      PropertyField[] fields() default {};
128    
129      /**
130       * Relocation of key.
131       * @since 3.4
132       */
133      String deprecatedKey() default "";
134    }