[MPLUGIN-305] MojoAnnotationsScanner should have better control over dependency scanning

Introduce parameter mojoDependencies 

git-svn-id: https://svn.apache.org/repos/asf/maven/plugin-tools/trunk@1754998 13f79535-47bb-0310-9956-ffa450edef68

maven-plugin-plugin/pom.xml

@@ -167,6 +167,13 @@
       </exclusions>
     </dependency>
 
+    <dependency>
+      <groupId>org.apache.maven.surefire</groupId>
+      <artifactId>maven-surefire-common</artifactId>
+      <version>2.19.1</version>
+    </dependency>
+
+
     <!-- other -->
     <dependency>
       <groupId>org.apache.velocity</groupId>

maven-plugin-plugin/src/it/mplugin-305_defaultMojoDependencies/invoker.properties

@@ -0,0 +1,18 @@
+# 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.
+
+invoker.goals.1 = clean process-classes

maven-plugin-plugin/src/it/mplugin-305_defaultMojoDependencies/pom.xml

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  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/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.plugins.plugin.its</groupId>
+  <artifactId>mplugin305</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>maven-plugin</packaging>
+
+  <url>https://issues.apache.org/jira/browse/MPLUGIN-305</url>
+
+  <properties>
+    <mavenPluginPluginVersion>@project.version@</mavenPluginPluginVersion>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-plugin-api</artifactId>
+      <version>2.2.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.plugin-tools</groupId>
+      <artifactId>maven-plugin-annotations</artifactId>
+      <version>${mavenPluginPluginVersion}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.surefire</groupId>
+      <artifactId>maven-surefire-common</artifactId>
+      <version>2.19.1</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.4</version>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-plugin-plugin</artifactId>
+        <version>${mavenPluginPluginVersion}</version>
+        <configuration>
+          <extractors>
+            <extractor>java-annotations</extractor>
+          </extractors>
+          <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
+        </configuration>
+        <executions>
+          <execution>
+            <id>mojo-descriptor</id>
+            <goals>
+              <goal>descriptor</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

maven-plugin-plugin/src/it/mplugin-305_defaultMojoDependencies/src/main/java/org/apache/maven/plugins/plugin/it/CustomSurefireMojo.java

@@ -0,0 +1,289 @@
+package org.apache.maven.plugins.plugin.it;
+
+/*
+ * 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.
+ */
+
+import java.io.File;
+import java.util.List;
+
+import org.apache.maven.plugin.surefire.AbstractSurefireMojo;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.surefire.suite.RunResult;
+
+@Mojo(name="custom-surefire")
+public class CustomSurefireMojo extends AbstractSurefireMojo {
+
+    public File getBasedir()
+    {
+        return null;
+    }
+
+    public File getClassesDirectory()
+    {
+        return null;
+    }
+
+    public String getDebugForkedProcess()
+    {
+        return null;
+    }
+
+    public Boolean getFailIfNoSpecifiedTests()
+    {
+        return null;
+    }
+
+    public int getForkedProcessTimeoutInSeconds()
+    {
+        return 0;
+    }
+
+    public double getParallelTestsTimeoutForcedInSeconds()
+    {
+        return 0;
+    }
+
+    public double getParallelTestsTimeoutInSeconds()
+    {
+        return 0;
+    }
+
+    public String getReportFormat()
+    {
+        return null;
+    }
+
+    public File getReportsDirectory()
+    {
+        return null;
+    }
+
+    public String getShutdown()
+    {
+        return null;
+    }
+
+    public int getSkipAfterFailureCount()
+    {
+        return 0;
+    }
+
+    public String getTest()
+    {
+        return null;
+    }
+
+    public File getTestClassesDirectory()
+    {
+        return null;
+    }
+
+    public boolean isPrintSummary()
+    {
+        return false;
+    }
+
+    public boolean isSkip()
+    {
+        return false;
+    }
+
+    public boolean isSkipExec()
+    {
+        return false;
+    }
+
+    public boolean isSkipTests()
+    {
+        return false;
+    }
+
+    public boolean isUseFile()
+    {
+        return false;
+    }
+
+    public boolean isUseManifestOnlyJar()
+    {
+        return false;
+    }
+
+    public boolean isUseSystemClassLoader()
+    {
+        return false;
+    }
+
+    public void setBasedir( File arg0 )
+    {
+    }
+
+    public void setClassesDirectory( File arg0 )
+    {
+    }
+
+    public void setDebugForkedProcess( String arg0 )
+    {
+    }
+
+    public void setFailIfNoSpecifiedTests( boolean arg0 )
+    {
+    }
+
+    public void setForkedProcessTimeoutInSeconds( int arg0 )
+    {
+    }
+
+    public void setParallelTestsTimeoutForcedInSeconds( double arg0 )
+    {
+    }
+
+    public void setParallelTestsTimeoutInSeconds( double arg0 )
+    {
+    }
+
+    public void setPrintSummary( boolean arg0 )
+    {
+    }
+
+    public void setReportFormat( String arg0 )
+    {
+    }
+
+    public void setReportsDirectory( File arg0 )
+    {
+    }
+
+    public void setSkip( boolean arg0 )
+    {
+    }
+
+    public void setSkipExec( boolean arg0 )
+    {
+    }
+
+    public void setSkipTests( boolean arg0 )
+    {
+    }
+
+    public void setTest( String arg0 )
+    {
+    }
+
+    public void setTestClassesDirectory( File arg0 )
+    {
+    }
+
+    public void setUseFile( boolean arg0 )
+    {
+    }
+
+    public void setUseManifestOnlyJar( boolean arg0 )
+    {
+    }
+
+    public void setUseSystemClassLoader( boolean arg0 )
+    {
+    }
+
+    @Override
+    protected String[] getDefaultIncludes()
+    {
+        return null;
+    }
+
+    @Override
+    public File getExcludesFile()
+    {
+        return null;
+    }
+
+    @Override
+    public List<String> getIncludes()
+    {
+        return null;
+    }
+
+    @Override
+    public File getIncludesFile()
+    {
+        return null;
+    }
+
+    @Override
+    protected String getPluginName()
+    {
+        return null;
+    }
+
+    @Override
+    protected int getRerunFailingTestsCount()
+    {
+        return 0;
+    }
+
+    @Override
+    public String getRunOrder()
+    {
+        return null;
+    }
+
+    @Override
+    public File[] getSuiteXmlFiles()
+    {
+        return null;
+    }
+
+    @Override
+    protected void handleSummary( RunResult arg0, Exception arg1 )
+    {
+    }
+
+    @Override
+    protected boolean hasSuiteXmlFiles()
+    {
+        return false;
+    }
+
+    @Override
+    protected boolean isSkipExecution()
+    {
+        return false;
+    }
+
+    @Override
+    public void setIncludes( List<String> arg0 )
+    {
+    }
+
+    @Override
+    public void setRunOrder( String arg0 )
+    {
+    }
+
+    @Override
+    public void setSuiteXmlFiles( File[] arg0 )
+    {
+    }
+
+    @Override
+    protected List<File> suiteXmlFiles()
+    {
+        return null;
+    }
+}

maven-plugin-plugin/src/it/mplugin-305_defaultMojoDependencies/verify.groovy

@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+File descriptorFile = new File( basedir, "target/classes/META-INF/maven/plugin.xml" );
+assert descriptorFile.isFile()
+
+def pluginDescriptor = new XmlParser().parse( descriptorFile );
+
+assert pluginDescriptor.mojos.mojo.size() == 1
+assert pluginDescriptor.mojos.mojo.parameters.parameter.size() == 50
+
+return true;

maven-plugin-plugin/src/it/mplugin-305_emptyMojoDependencies/invoker.properties

@@ -0,0 +1,18 @@
+# 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.
+
+invoker.goals.1 = clean process-classes

maven-plugin-plugin/src/it/mplugin-305_emptyMojoDependencies/pom.xml

@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  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/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.plugins.plugin.its</groupId>
+  <artifactId>mplugin305</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>maven-plugin</packaging>
+
+  <url>https://issues.apache.org/jira/browse/MPLUGIN-305</url>
+
+  <properties>
+    <mavenPluginPluginVersion>@project.version@</mavenPluginPluginVersion>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-plugin-api</artifactId>
+      <version>2.2.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.plugin-tools</groupId>
+      <artifactId>maven-plugin-annotations</artifactId>
+      <version>${mavenPluginPluginVersion}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.surefire</groupId>
+      <artifactId>maven-surefire-common</artifactId>
+      <version>2.19.1</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.4</version>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-plugin-plugin</artifactId>
+        <version>${mavenPluginPluginVersion}</version>
+        <configuration>
+          <extractors>
+            <extractor>java-annotations</extractor>
+          </extractors>
+          <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
+        </configuration>
+        <executions>
+          <execution>
+            <id>mojo-descriptor</id>
+            <goals>
+              <goal>descriptor</goal>
+            </goals>
+            <configuration>
+              <mojoDependencies/>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

maven-plugin-plugin/src/it/mplugin-305_emptyMojoDependencies/src/main/java/org/apache/maven/plugins/plugin/it/CustomSurefireMojo.java

@@ -0,0 +1,289 @@
+package org.apache.maven.plugins.plugin.it;
+
+/*
+ * 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.
+ */
+
+import java.io.File;
+import java.util.List;
+
+import org.apache.maven.plugin.surefire.AbstractSurefireMojo;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.surefire.suite.RunResult;
+
+@Mojo(name="custom-surefire")
+public class CustomSurefireMojo extends AbstractSurefireMojo {
+
+    public File getBasedir()
+    {
+        return null;
+    }
+
+    public File getClassesDirectory()
+    {
+        return null;
+    }
+
+    public String getDebugForkedProcess()
+    {
+        return null;
+    }
+
+    public Boolean getFailIfNoSpecifiedTests()
+    {
+        return null;
+    }
+
+    public int getForkedProcessTimeoutInSeconds()
+    {
+        return 0;
+    }
+
+    public double getParallelTestsTimeoutForcedInSeconds()
+    {
+        return 0;
+    }
+
+    public double getParallelTestsTimeoutInSeconds()
+    {
+        return 0;
+    }
+
+    public String getReportFormat()
+    {
+        return null;
+    }
+
+    public File getReportsDirectory()
+    {
+        return null;
+    }
+
+    public String getShutdown()
+    {
+        return null;
+    }
+
+    public int getSkipAfterFailureCount()
+    {
+        return 0;
+    }
+
+    public String getTest()
+    {
+        return null;
+    }
+
+    public File getTestClassesDirectory()
+    {
+        return null;
+    }
+
+    public boolean isPrintSummary()
+    {
+        return false;
+    }
+
+    public boolean isSkip()
+    {
+        return false;
+    }
+
+    public boolean isSkipExec()
+    {
+        return false;
+    }
+
+    public boolean isSkipTests()
+    {
+        return false;
+    }
+
+    public boolean isUseFile()
+    {
+        return false;
+    }
+
+    public boolean isUseManifestOnlyJar()
+    {
+        return false;
+    }
+
+    public boolean isUseSystemClassLoader()
+    {
+        return false;
+    }
+
+    public void setBasedir( File arg0 )
+    {
+    }
+
+    public void setClassesDirectory( File arg0 )
+    {
+    }
+
+    public void setDebugForkedProcess( String arg0 )
+    {
+    }
+
+    public void setFailIfNoSpecifiedTests( boolean arg0 )
+    {
+    }
+
+    public void setForkedProcessTimeoutInSeconds( int arg0 )
+    {
+    }
+
+    public void setParallelTestsTimeoutForcedInSeconds( double arg0 )
+    {
+    }
+
+    public void setParallelTestsTimeoutInSeconds( double arg0 )
+    {
+    }
+
+    public void setPrintSummary( boolean arg0 )
+    {
+    }
+
+    public void setReportFormat( String arg0 )
+    {
+    }
+
+    public void setReportsDirectory( File arg0 )
+    {
+    }
+
+    public void setSkip( boolean arg0 )
+    {
+    }
+
+    public void setSkipExec( boolean arg0 )
+    {
+    }
+
+    public void setSkipTests( boolean arg0 )
+    {
+    }
+
+    public void setTest( String arg0 )
+    {
+    }
+
+    public void setTestClassesDirectory( File arg0 )
+    {
+    }
+
+    public void setUseFile( boolean arg0 )
+    {
+    }
+
+    public void setUseManifestOnlyJar( boolean arg0 )
+    {
+    }
+
+    public void setUseSystemClassLoader( boolean arg0 )
+    {
+    }
+
+    @Override
+    protected String[] getDefaultIncludes()
+    {
+        return null;
+    }
+
+    @Override
+    public File getExcludesFile()
+    {
+        return null;
+    }
+
+    @Override
+    public List<String> getIncludes()
+    {
+        return null;
+    }
+
+    @Override
+    public File getIncludesFile()
+    {
+        return null;
+    }
+
+    @Override
+    protected String getPluginName()
+    {
+        return null;
+    }
+
+    @Override
+    protected int getRerunFailingTestsCount()
+    {
+        return 0;
+    }
+
+    @Override
+    public String getRunOrder()
+    {
+        return null;
+    }
+
+    @Override
+    public File[] getSuiteXmlFiles()
+    {
+        return null;
+    }
+
+    @Override
+    protected void handleSummary( RunResult arg0, Exception arg1 )
+    {
+    }
+
+    @Override
+    protected boolean hasSuiteXmlFiles()
+    {
+        return false;
+    }
+
+    @Override
+    protected boolean isSkipExecution()
+    {
+        return false;
+    }
+
+    @Override
+    public void setIncludes( List<String> arg0 )
+    {
+    }
+
+    @Override
+    public void setRunOrder( String arg0 )
+    {
+    }
+
+    @Override
+    public void setSuiteXmlFiles( File[] arg0 )
+    {
+    }
+
+    @Override
+    protected List<File> suiteXmlFiles()
+    {
+        return null;
+    }
+}

maven-plugin-plugin/src/it/mplugin-305_emptyMojoDependencies/verify.groovy

@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+File descriptorFile = new File( basedir, "target/classes/META-INF/maven/plugin.xml" );
+assert descriptorFile.isFile()
+
+def pluginDescriptor = new XmlParser().parse( descriptorFile );
+
+assert pluginDescriptor.mojos.mojo.size() == 1
+assert pluginDescriptor.mojos.mojo.parameters.parameter.size() == 0
+
+return true;

maven-plugin-plugin/src/it/mplugin-305_singleMojoDependencies/invoker.properties

@@ -0,0 +1,18 @@
+# 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.
+
+invoker.goals.1 = clean process-classes

maven-plugin-plugin/src/it/mplugin-305_singleMojoDependencies/pom.xml

@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  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/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.plugins.plugin.its</groupId>
+  <artifactId>mplugin305</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>maven-plugin</packaging>
+
+  <url>https://issues.apache.org/jira/browse/MPLUGIN-305</url>
+
+  <properties>
+    <mavenPluginPluginVersion>@project.version@</mavenPluginPluginVersion>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-plugin-api</artifactId>
+      <version>2.2.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.plugin-tools</groupId>
+      <artifactId>maven-plugin-annotations</artifactId>
+      <version>${mavenPluginPluginVersion}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.surefire</groupId>
+      <artifactId>maven-surefire-common</artifactId>
+      <version>2.19.1</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.4</version>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-plugin-plugin</artifactId>
+        <version>${mavenPluginPluginVersion}</version>
+        <configuration>
+          <extractors>
+            <extractor>java-annotations</extractor>
+          </extractors>
+          <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
+          <mojoDependencies>
+            <mojoDependency>org.apache.maven.surefire:maven-surefire-common</mojoDependency>
+          </mojoDependencies>
+        </configuration>
+        <executions>
+          <execution>
+            <id>mojo-descriptor</id>
+            <goals>
+              <goal>descriptor</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

maven-plugin-plugin/src/it/mplugin-305_singleMojoDependencies/src/main/java/org/apache/maven/plugins/plugin/it/CustomSurefireMojo.java

@@ -0,0 +1,289 @@
+package org.apache.maven.plugins.plugin.it;
+
+/*
+ * 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.
+ */
+
+import java.io.File;
+import java.util.List;
+
+import org.apache.maven.plugin.surefire.AbstractSurefireMojo;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.surefire.suite.RunResult;
+
+@Mojo(name="custom-surefire")
+public class CustomSurefireMojo extends AbstractSurefireMojo {
+
+    public File getBasedir()
+    {
+        return null;
+    }
+
+    public File getClassesDirectory()
+    {
+        return null;
+    }
+
+    public String getDebugForkedProcess()
+    {
+        return null;
+    }
+
+    public Boolean getFailIfNoSpecifiedTests()
+    {
+        return null;
+    }
+
+    public int getForkedProcessTimeoutInSeconds()
+    {
+        return 0;
+    }
+
+    public double getParallelTestsTimeoutForcedInSeconds()
+    {
+        return 0;
+    }
+
+    public double getParallelTestsTimeoutInSeconds()
+    {
+        return 0;
+    }
+
+    public String getReportFormat()
+    {
+        return null;
+    }
+
+    public File getReportsDirectory()
+    {
+        return null;
+    }
+
+    public String getShutdown()
+    {
+        return null;
+    }
+
+    public int getSkipAfterFailureCount()
+    {
+        return 0;
+    }
+
+    public String getTest()
+    {
+        return null;
+    }
+
+    public File getTestClassesDirectory()
+    {
+        return null;
+    }
+
+    public boolean isPrintSummary()
+    {
+        return false;
+    }
+
+    public boolean isSkip()
+    {
+        return false;
+    }
+
+    public boolean isSkipExec()
+    {
+        return false;
+    }
+
+    public boolean isSkipTests()
+    {
+        return false;
+    }
+
+    public boolean isUseFile()
+    {
+        return false;
+    }
+
+    public boolean isUseManifestOnlyJar()
+    {
+        return false;
+    }
+
+    public boolean isUseSystemClassLoader()
+    {
+        return false;
+    }
+
+    public void setBasedir( File arg0 )
+    {
+    }
+
+    public void setClassesDirectory( File arg0 )
+    {
+    }
+
+    public void setDebugForkedProcess( String arg0 )
+    {
+    }
+
+    public void setFailIfNoSpecifiedTests( boolean arg0 )
+    {
+    }
+
+    public void setForkedProcessTimeoutInSeconds( int arg0 )
+    {
+    }
+
+    public void setParallelTestsTimeoutForcedInSeconds( double arg0 )
+    {
+    }
+
+    public void setParallelTestsTimeoutInSeconds( double arg0 )
+    {
+    }
+
+    public void setPrintSummary( boolean arg0 )
+    {
+    }
+
+    public void setReportFormat( String arg0 )
+    {
+    }
+
+    public void setReportsDirectory( File arg0 )
+    {
+    }
+
+    public void setSkip( boolean arg0 )
+    {
+    }
+
+    public void setSkipExec( boolean arg0 )
+    {
+    }
+
+    public void setSkipTests( boolean arg0 )
+    {
+    }
+
+    public void setTest( String arg0 )
+    {
+    }
+
+    public void setTestClassesDirectory( File arg0 )
+    {
+    }
+
+    public void setUseFile( boolean arg0 )
+    {
+    }
+
+    public void setUseManifestOnlyJar( boolean arg0 )
+    {
+    }
+
+    public void setUseSystemClassLoader( boolean arg0 )
+    {
+    }
+
+    @Override
+    protected String[] getDefaultIncludes()
+    {
+        return null;
+    }
+
+    @Override
+    public File getExcludesFile()
+    {
+        return null;
+    }
+
+    @Override
+    public List<String> getIncludes()
+    {
+        return null;
+    }
+
+    @Override
+    public File getIncludesFile()
+    {
+        return null;
+    }
+
+    @Override
+    protected String getPluginName()
+    {
+        return null;
+    }
+
+    @Override
+    protected int getRerunFailingTestsCount()
+    {
+        return 0;
+    }
+
+    @Override
+    public String getRunOrder()
+    {
+        return null;
+    }
+
+    @Override
+    public File[] getSuiteXmlFiles()
+    {
+        return null;
+    }
+
+    @Override
+    protected void handleSummary( RunResult arg0, Exception arg1 )
+    {
+    }
+
+    @Override
+    protected boolean hasSuiteXmlFiles()
+    {
+        return false;
+    }
+
+    @Override
+    protected boolean isSkipExecution()
+    {
+        return false;
+    }
+
+    @Override
+    public void setIncludes( List<String> arg0 )
+    {
+    }
+
+    @Override
+    public void setRunOrder( String arg0 )
+    {
+    }
+
+    @Override
+    public void setSuiteXmlFiles( File[] arg0 )
+    {
+    }
+
+    @Override
+    protected List<File> suiteXmlFiles()
+    {
+        return null;
+    }
+}

maven-plugin-plugin/src/it/mplugin-305_singleMojoDependencies/verify.groovy

@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+File descriptorFile = new File( basedir, "target/classes/META-INF/maven/plugin.xml" );
+assert descriptorFile.isFile()
+
+def pluginDescriptor = new XmlParser().parse( descriptorFile );
+
+assert pluginDescriptor.mojos.mojo.size() == 1
+assert pluginDescriptor.mojos.mojo.parameters.parameter.size() == 50
+
+return true;

maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java

@@ -21,6 +21,8 @@ package org.apache.maven.plugin.plugin;
 
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
+import org.apache.maven.artifact.resolver.filter.IncludesArtifactFilter;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.descriptor.InvalidPluginDescriptorException;
@@ -40,6 +42,7 @@ import org.codehaus.plexus.util.ReaderFactory;
 
 import java.io.File;
 import java.util.Arrays;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
@@ -130,6 +133,16 @@ public abstract class AbstractGeneratorMojo
     @Parameter( defaultValue = "${project.artifacts}", required = true, readonly = true )
     protected Set<Artifact> dependencies;
     
+    /**
+     * Specify the dependencies as {@code groupId:artifactId} containing (abstract) Mojos. 
+     * If none is specified, all dependencies are scanned.
+     * If an empty list is specified, no dependencies are scanned.
+     * 
+     * @since 3.5
+     */
+    @Parameter
+    private List<String> mojoDependencies;
+
     /**
      * List of Remote Repositories used by the resolver
      *
@@ -230,6 +243,31 @@ public abstract class AbstractGeneratorMojo
             getLog().info( "Using '" + encoding + "' encoding to read mojo source files." );
         }
 
+        Set<Artifact> requestDependencies;
+        if ( mojoDependencies == null )
+        {
+            requestDependencies = dependencies;
+        }
+        else if ( mojoDependencies == null )
+        {
+            requestDependencies = null;
+        }
+        else
+        {
+            requestDependencies = new LinkedHashSet<Artifact>();
+            
+            ArtifactFilter filter = new IncludesArtifactFilter( mojoDependencies );
+
+            for ( Artifact artifact : dependencies )
+            {
+                if ( filter.include( artifact ) )
+                {
+                    requestDependencies.add( artifact );
+                }
+            }
+        }
+        
+        
         try
         {
             List<ComponentDependency> deps = GeneratorUtils.toComponentDependencies( project.getRuntimeDependencies() );
@@ -238,7 +276,7 @@ public abstract class AbstractGeneratorMojo
             PluginToolsRequest request = new DefaultPluginToolsRequest( project, pluginDescriptor );
             request.setEncoding( encoding );
             request.setSkipErrorNoDescriptorsFound( skipErrorNoDescriptorsFound );
-            request.setDependencies( dependencies );
+            request.setDependencies( requestDependencies );
             request.setLocal( this.local );
             request.setRemoteRepos( this.remoteRepos );