FELIX-1010 : Add annotations support for SCR plugin. Apply patch from Stefan Seifert
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@760528 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/scrplugin-annotations/LICENSE b/scrplugin-annotations/LICENSE
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--- /dev/null
+++ b/scrplugin-annotations/LICENSE
@@ -0,0 +1,202 @@
+
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+ the conditions stated in this License.
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+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
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+ 6. Trademarks. This License does not grant permission to use the trade
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diff --git a/scrplugin-annotations/NOTICE b/scrplugin-annotations/NOTICE
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--- /dev/null
+++ b/scrplugin-annotations/NOTICE
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+Apache Felix SCR Maven Plugin Annotations
+Copyright 2007-2009 The Apache Software Foundation
+
+
+I. Included Software
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+Licensed under the Apache License 2.0.
+
+
+II. Used Software
+
+This product uses software developed at
+The Apache Software Foundation (http://www.apache.org/).
+Licensed under the Apache License 2.0.
+
+This product uses software developed at
+The OSGi Alliance (http://www.osgi.org/).
+Copyright 2006 The OSGi Alliance.
+Licensed under the Apache License 2.0.
diff --git a/scrplugin-annotations/pom.xml b/scrplugin-annotations/pom.xml
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+++ b/scrplugin-annotations/pom.xml
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+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <artifactId>felix</artifactId>
+ <groupId>org.apache.felix</groupId>
+ <version>1.0.4</version>
+ </parent>
+
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-scr-plugin-annotations</artifactId>
+
+ <version>1.0.11-SNAPSHOT</version>
+ <packaging>jar</packaging>
+
+ <name>Annotations for Maven SCR Plugin</name>
+ <description>
+ Annotations for generating OSGi service descriptors with Maven SCR plugin.
+ </description>
+
+ <scm>
+ <connection>scm:svn:http://svn.apache.org/repos/asf/felix/trunk/scrplugin-annotations</connection>
+ <developerConnection>scm:svn:http://svn.apache.org/repos/asf/felix/trunk/scrplugin-annotations</developerConnection>
+ <url>http://svn.apache.org/repos/asf/felix/scrplugin-annotations</url>
+ </scm>
+
+ <build>
+ <plugins>
+
+ <!-- JDK 1.5 needed for annotation support -->
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <configuration>
+ <source>1.5</source>
+ <target>1.5</target>
+ </configuration>
+ </plugin>
+
+ </plugins>
+ </build>
+
+</project>
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/AutoDetect.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/AutoDetect.java
new file mode 100644
index 0000000..125e56a
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/AutoDetect.java
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+/**
+ * Placeholder class for default value of annotation properties with
+ * "auto detect" capabilities.
+ */
+public final class AutoDetect {
+
+ private AutoDetect() {
+ // disallows instancing this class
+ }
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Component.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Component.java
new file mode 100644
index 0000000..ce4625d
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Component.java
@@ -0,0 +1,113 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The <code>Component</code> annotation is the only required annotation. If
+ * this annotation is not declared in a Java class, the class is not declared as
+ * a component.
+ * <p>
+ * This annotation is used to declare the <component> element of the
+ * component declaration. See section 112.4.3, Component Element, in the OSGi
+ * Service Platform Service Compendium Specification for more information. The
+ * required <implementation> element is automatically generated with the
+ * fully qualified name of the class containing the <code>Component</code>
+ * annotation.
+ * </p>
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Component {
+
+ /**
+ * Defines the Component name also used as the PID for the Configuration
+ * Admin Service. Default value: Fully qualified name of the Java class.
+ */
+ String name() default "";
+
+ /**
+ * This is generally used as a title for the object described by the meta
+ * type. This name may be localized by prepending a % sign to the name.
+ * Default value: %<name>.name
+ */
+ String label() default "";
+
+ /**
+ * This is generally used as a description for the object described by the
+ * meta type. This name may be localized by prepending a % sign to the name.
+ * Default value: %<name>.name
+ */
+ String description() default "";
+
+ /**
+ * Whether the component is enabled when the bundle starts.
+ */
+ boolean enabled() default true;
+
+ /**
+ * Whether the component is a factory component.
+ */
+ String factory() default "";
+
+ /**
+ * Whether the component is immediately activated.
+ */
+ boolean immediate() default false;
+
+ /**
+ * Whether any service, property and reference declarations from base
+ * classes should be inherited by this class.
+ */
+ boolean inherit() default true;
+
+ /**
+ * Whether Metatype Service data is generated or not. If this parameter is
+ * not set or set to true Metatype Service data is generated in the
+ * <code>metatype.xml</code> file for this component. Otherwise no Metatype
+ * Service data is generated for this component.
+ */
+ boolean metatype() default true;
+
+ /**
+ * This marks an abstract service description which is not added to the
+ * descriptor but intended for reuse through inheritance. This attribute
+ * defaults to true for abstract classes and false for concrete classes.
+ */
+ boolean componentAbstract() default false;
+
+ /**
+ * Whether Declarative Services descriptor is generated or not. If this
+ * parameter is not set or set to true the Declarative Services descriptor
+ * is generated in the service descriptor file for this component. Otherwise
+ * no Declarative Services descriptor is generated for this component.
+ */
+ boolean ds() default true;
+
+ /**
+ * Generated <code>service.pid</code> property by default, if none declared
+ * explicitly.
+ */
+ boolean createPid() default true;
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Properties.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Properties.java
new file mode 100644
index 0000000..0c72e30
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Properties.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Allows to define multiple {@link Property} annotations for one type.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Properties {
+
+ /**
+ * List of {@link Property} annotations.
+ */
+ Property[] value();
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Property.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Property.java
new file mode 100644
index 0000000..ab6a4cc
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Property.java
@@ -0,0 +1,124 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The <code>Property</code> annotation defines properties which are made
+ * available to the component through the ComponentContext.getProperties()
+ * method. These annotations are not strictly required but may be used by
+ * components to defined initial configuration. Additionally properties may be
+ * set here to identify the component if it is registered as a service, for
+ * example the service.description and service.vendor properties.
+ * <p>
+ * This tag is used to declare <property> elements of the component
+ * declaration. See section 112.4.5, Properties and Property Elements, in the
+ * OSGi Service Platform Service Compendium Specification for more information.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Property {
+
+ /**
+ * The name of the property
+ */
+ String name();
+
+ /**
+ * The label to display in a form to configure this property. This name may
+ * be localized by prepending a % sign to the name. Default value:
+ * %<name>.name
+ */
+ String label() default "";
+
+ /**
+ * A descriptive text to provide the client in a form to configure this
+ * property. This name may be localized by prepending a % sign to the name.
+ * Default value: %<name>.description
+ */
+ String description() default "";
+
+ /**
+ * The value(s) of the property. If the property type is not String, parsing
+ * of the value is done using the valueOf(String) method of the class
+ * defined by the property type.
+ */
+ String[] value();
+
+ /**
+ * The type of the property value. This must be one of {@link String},
+ * {@link Long}, {@link Double}, {@link Float}, {@link Integer},
+ * {@link Byte}, {@link Character}, {@link Boolean} and {@link Short}.
+ */
+ Class type() default AutoDetect.class;
+
+ /**
+ * Defines the cardinality of the property and its collection type. If the
+ * cardinality is negative, the property is expected to be stored in a
+ * {@link java.util.Vector} (primitive types such as boolean are boxed in
+ * the Wrapper class), if the cardinality is positive, the property is
+ * stored in an array (primitve types are unboxed, that is Boolean type
+ * values are stored in boolean[]). The actual value defines the maximum
+ * number of elements in the vector or array, where Integer.MIN_INT
+ * describes an unbounded Vector and Integer.MAX_INT describes an unbounded
+ * array. If the cardinality is zero, the property is a scalar value. If the
+ * defined value of the property is set in the value attribute, the
+ * cardinality defaults to 0 (zero for scalar value). If the property is
+ * defined in one or more properties starting with values, the cardinality
+ * defaults to Integer.MAX_INT, that is an unbounded array.
+ */
+ int cardinality() default 0;
+
+ /**
+ * Boolean flag defining whether a metatype descriptor entry should be
+ * generated for this property or not. By default a metatype descriptor
+ * entry, i.e. an AD element, is generated except for the properties
+ * <code>service.pid</code>, <code>service.description</code>,
+ * <code>service.id</code>, <code>service.ranking</code>,
+ * <code>service.vendor</code>, <code>service.bundlelocation</code> and
+ * <code>service.factoryPid</code>. If a property should not be available
+ * for display in a configuration user interface, this parameter should be
+ * set to true.
+ */
+ boolean propertyPrivate() default false;
+
+ /**
+ * Some properties may only be set to a set of possible values. To support
+ * user interfaces which provide a selection list of values or a list of
+ * checkboxes the option values and labels may be defined as parameters to
+ * the {@link Property} annotation. All parameters in the form of name-value
+ * pairs are used to build the list of available value options. The
+ * parameter name is used as the value while the parameter value is used as
+ * the label in the user interface. This label may be prepended with a %
+ * sign to localize the string.
+ * <p>
+ * The options are written to the metatype.xml file as Option elements
+ * inside the AD element defining the property. The name of the parameter
+ * will be used for the Option.value attribute while the value of the
+ * parameter defines the Option.label attribute.
+ */
+ PropertyOption[] options() default {};
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/PropertyOption.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/PropertyOption.java
new file mode 100644
index 0000000..07b5b26
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/PropertyOption.java
@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Defines a {@link Property} option.
+ */
+@Target(ElementType.ANNOTATION_TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface PropertyOption {
+
+ /**
+ * Name of the option
+ */
+ String name();
+
+ /**
+ * Value of the option
+ */
+ String value();
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Reference.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Reference.java
new file mode 100644
index 0000000..e0daac0
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Reference.java
@@ -0,0 +1,112 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The <code>Reference</code> annotation defines references to other services
+ * made available to the component by the Service Component Runtime.
+ * <p>
+ * This annotation may be declared for a Java Class or any Java Field to which
+ * it might apply. Depending on where the annotation is declared, the parameters
+ * may have different default values.
+ * <p>
+ * This annotation is used to declare <reference> elements of the
+ * component declaration. See section 112.4.7, Reference Element, in the OSGi
+ * Service Platform Service Compendium Specification for more information.
+ */
+@Target( { ElementType.TYPE, ElementType.FIELD })
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Reference {
+
+ /**
+ * The local name of the reference. If the annotation is declared on class
+ * level, this parameter is required. If the tag is declared for a field,
+ * the default value for the name parameter is the name of the field.
+ */
+ String name() default "";
+
+ /**
+ * The name of the service interface. This name is used by the Service
+ * Component Runtime to access the service on behalf of the component. If
+ * the annotation is declared on class level, this parameter is required. If
+ * the annotation is declared for a field, the default value for the
+ * interface parameter is the type of the field.
+ */
+ Class referenceInterface() default AutoDetect.class;
+
+ /**
+ * The cardinality of the service reference. This must be one of 0..1, 1..1,
+ * 0..n, and 1..n.
+ */
+ ReferenceCardinality cardinality() default ReferenceCardinality.ONE_TO_ONE;
+
+ /**
+ * The dynamicity policy of the reference. If dynamic the service will be
+ * made available to the component as it comes and goes. If static the
+ * component will be deactivated and re-activated if the service comes
+ * and/or goes away.
+ */
+ ReferencePolicy policy() default ReferencePolicy.STATIC;
+
+ /**
+ * A service target filter to select specific services to be made available.
+ * In order to be able to overwrite the value of this value by a
+ * configuration property, this parameter must be declared. If the parameter
+ * is not declared, the respective declaration attribute will not be
+ * generated.
+ */
+ String target() default "";
+
+ /**
+ * The name of the method to be called when the service is to be bound to
+ * the component. The default value is the name created by appending the
+ * reference name to the string bind. The method must be declared
+ * <code>public</code> or <code>protected</code> and take single argument
+ * which is declared with the service interface type.
+ */
+ String bind() default "";
+
+ /**
+ * The name of the method to be called when the service is to be unbound
+ * from the component. The default value is the name created by appending
+ * the reference name to the string unbind. The method must be declared
+ * <code>public</code> or <code>protected</code> and take single argument
+ * which is declared with the service interface type.
+ */
+ String unbind() default "";
+
+ /**
+ * TODO: parameter documentation missing
+ */
+ boolean checked() default false;
+
+ /**
+ * TODO: parameter documentation missing
+ * @since 1.0.9
+ */
+ String strategy() default "";
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/ReferenceCardinality.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/ReferenceCardinality.java
new file mode 100644
index 0000000..fea82f7
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/ReferenceCardinality.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+/**
+ * Options for {@link Reference#cardinality()} property.
+ */
+public enum ReferenceCardinality {
+
+ /**
+ * Cardinality 0..1
+ */
+ ZERO_TO_ONE("0..1"),
+
+ /**
+ * Cardinality 1..1
+ */
+ ONE_TO_ONE("1..1"),
+
+ /**
+ * Cardinality 0..n
+ */
+ ZERO_TO_MANY("0..n"),
+
+ /**
+ * Cardinality 1..n
+ */
+ ONE_TO_MANY("1..n");
+
+ private final String cardinalityString;
+
+ private ReferenceCardinality(final String cardinalityString) {
+ this.cardinalityString = cardinalityString;
+ }
+
+ /**
+ * @return String representation of cardinality
+ */
+ public String getCardinalityString() {
+ return this.cardinalityString;
+ }
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/ReferencePolicy.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/ReferencePolicy.java
new file mode 100644
index 0000000..598e7e1
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/ReferencePolicy.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+/**
+ * Options for {@link Reference#policy()} property.
+ */
+public enum ReferencePolicy {
+
+ /**
+ * The component will be deactivated and re-activated if the service comes
+ * and/or goes away.
+ */
+ STATIC,
+
+ /**
+ * The service will be made available to the component as it comes and goes.
+ */
+ DYNAMIC;
+
+ /**
+ * @return String representation of policy
+ */
+ public String getPolicyString() {
+ return this.name().toLowerCase();
+ }
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/References.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/References.java
new file mode 100644
index 0000000..6706935
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/References.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Allows to define multiple {@link Reference} annotations for one type.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface References {
+
+ /**
+ * List of {@link Reference} annotations.
+ */
+ Reference[] value();
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Service.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Service.java
new file mode 100644
index 0000000..94e13be
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Service.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The <code>Service</code> annotation defines whether and which service
+ * interfaces are provided by the component.
+ * <p>
+ * This annotation is used to declare <service> and <provide>
+ * elements of the component declaration. See section 112.4.6, Service Elements,
+ * in the OSGi Service Platform Service Compendium Specification for more
+ * information.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Service {
+
+ /**
+ * The class of the service interface provided by the component. If this
+ * property is not set provide elements will be generated for all interfaces
+ * generated by the class
+ */
+ Class value() default AutoDetect.class;
+
+ /**
+ * Whether the component is registered as a
+ * <code>org.osgi.framework.ServiceFactory</code> or not.
+ */
+ boolean serviceFactory() default false;
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Services.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Services.java
new file mode 100644
index 0000000..5acf325
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/Services.java
@@ -0,0 +1,40 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.felix.scrplugin.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Allows to define multiple {@link Service} annotations for one type.
+ */
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Services {
+
+ /**
+ * List of {@link Service} annotations.
+ */
+ Service[] value();
+
+}
diff --git a/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/package-info.java b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/package-info.java
new file mode 100644
index 0000000..d48edb2
--- /dev/null
+++ b/scrplugin-annotations/src/main/java/org/apache/felix/scrplugin/annotations/package-info.java
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+/**
+ * The scr goal of the maven-scr-plugin looks for the annotations defined in the package when building component descriptors.
+ * The annotations are not interpreted in runtime.
+ */
+package org.apache.felix.scrplugin.annotations;
+