Merge pull request #344

This closes #344
diff --git a/pom.xml b/pom.xml
index 383d5dc..bbe6867 100644
--- a/pom.xml
+++ b/pom.xml
@@ -499,6 +499,21 @@
         </executions>
       </plugin>
 
+      <plugin>
+        <groupId>org.apache.edgent.plugins</groupId>
+        <artifactId>edgent-deployment-filter-maven-plugin</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <executions>
+          <execution>
+            <id>filter-test-jars</id>
+            <phase>install</phase>
+            <goals>
+              <goal>filter-test-jars</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+
       <!-- Configure the Site generation -->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
diff --git a/utils/edgent-deployment-filter-maven-plugin/pom.xml b/utils/edgent-deployment-filter-maven-plugin/pom.xml
new file mode 100644
index 0000000..a3ed058
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/pom.xml
@@ -0,0 +1,156 @@
+<?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>
+
+  <parent>
+    <groupId>org.apache</groupId>
+    <artifactId>apache</artifactId>
+    <version>19</version>
+  </parent>
+
+  <groupId>org.apache.edgent.plugins</groupId>
+  <artifactId>edgent-deployment-filter-maven-plugin</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+  <packaging>maven-plugin</packaging>
+
+  <name>edgent-deployment-filter-maven-plugin Maven Plugin</name>
+
+  <!-- FIXME change it to the project's website -->
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-plugin-api</artifactId>
+      <version>2.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-core</artifactId>
+      <version>3.0.4</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.maven.plugin-tools</groupId>
+      <artifactId>maven-plugin-annotations</artifactId>
+      <version>3.2</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
+      <version>3.0.8</version>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.8.2</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-plugin-plugin</artifactId>
+        <version>3.2</version>
+        <configuration>
+          <goalPrefix>edgent-deployment-filter</goalPrefix>
+          <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound>
+        </configuration>
+        <executions>
+          <execution>
+            <id>mojo-descriptor</id>
+            <goals>
+              <goal>descriptor</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+  <profiles>
+    <profile>
+      <id>run-its</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>mrm-maven-plugin</artifactId>
+            <version>1.1.0</version>
+            <executions>
+              <execution>
+                <goals>
+                  <goal>start</goal>
+                  <goal>stop</goal>
+                </goals>
+              </execution>
+            </executions>
+            <configuration>
+              <propertyName>mrm.distribution.url</propertyName>
+              <repositories>
+                <hostedRepo>
+                  <target>${project.build.directory}/maven-repos/remote</target>
+                </hostedRepo>
+              </repositories>
+            </configuration>
+          </plugin>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-invoker-plugin</artifactId>
+            <version>3.0.1</version>
+            <executions>
+              <execution>
+                <id>integration-test</id>
+                <goals>
+                  <goal>install</goal>
+                  <goal>integration-test</goal>
+                  <goal>verify</goal>
+                </goals>
+              </execution>
+            </executions>
+            <configuration>
+              <debug>false</debug>
+              <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
+              <pomIncludes>
+                <pomInclude>*/pom.xml</pomInclude>
+              </pomIncludes>
+              <postBuildHookScript>verify</postBuildHookScript>
+              <localRepositoryPath>${project.build.directory}/maven-repos/local</localRepositoryPath>
+              <settingsFile>src/it/settings.xml</settingsFile>
+              <goals>
+                <goal>clean</goal>
+                <goal>deploy</goal>
+              </goals>
+              <filterProperties>
+                <mrm.distribution.url>${mrm.distribution.url}</mrm.distribution.url>
+              </filterProperties>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+</project>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/settings.xml b/utils/edgent-deployment-filter-maven-plugin/src/it/settings.xml
new file mode 100644
index 0000000..14554cd
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/settings.xml
@@ -0,0 +1,53 @@
+<?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.
+
+-->
+<settings>
+  <profiles>
+    <profile>
+      <id>it-repo</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+      <repositories>
+        <repository>
+          <id>local.central</id>
+          <url>@localRepositoryUrl@</url>
+          <releases>
+            <enabled>true</enabled>
+          </releases>
+          <snapshots>
+            <enabled>true</enabled>
+          </snapshots>
+        </repository>
+      </repositories>
+      <pluginRepositories>
+        <pluginRepository>
+          <id>local.central</id>
+          <url>@localRepositoryUrl@</url>
+          <releases>
+            <enabled>true</enabled>
+          </releases>
+          <snapshots>
+            <enabled>true</enabled>
+          </snapshots>
+        </pluginRepository>
+      </pluginRepositories>
+    </profile>
+  </profiles>
+</settings>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/pom.xml b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/pom.xml
new file mode 100644
index 0000000..b59f56f
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/pom.xml
@@ -0,0 +1,83 @@
+<?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>
+
+  <parent>
+    <groupId>org.apache</groupId>
+    <artifactId>apache</artifactId>
+    <version>19</version>
+  </parent>
+
+  <groupId>org.apache.edgent.plugins.it</groupId>
+  <artifactId>with-plugin</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <description>A simple IT verifying the basic use case.</description>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <distributionManagement>
+    <repository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </repository>
+    <snapshotRepository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </snapshotRepository>
+  </distributionManagement>
+
+  <build>
+    <plugins>
+      <!-- Create a test-jar -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+
+      <!-- Ensure it's not deployed -->
+      <plugin>
+        <groupId>@project.groupId@</groupId>
+        <artifactId>@project.artifactId@</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <id>filter-test-jars</id>
+            <phase>install</phase>
+            <goals>
+              <goal>filter-test-jars</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/verify.groovy b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/verify.groovy
new file mode 100644
index 0000000..c376a30
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/with-plugin/verify.groovy
@@ -0,0 +1,53 @@
+/*
+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 groovy.io.FileType
+
+def jarFile = new File(basedir, "target/with-plugin-1.0-SNAPSHOT.jar")
+def testJarFile = new File(basedir, "target/with-plugin-1.0-SNAPSHOT-tests.jar")
+
+// The jar file should exist
+assert jarFile.exists() && jarFile.isFile()
+
+// The test-jar should also exist
+assert testJarFile.exists() && testJarFile.isFile()
+
+// The local repo should contain the test-jar.
+def jarLocalRepo = new File("target/maven-repos/local/org/apache/edgent/plugins/it/with-plugin/1.0-SNAPSHOT")
+assert jarLocalRepo.exists()
+def foundTestJarInLocal = false
+jarLocalRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInLocal = true
+    }
+}
+assert foundTestJarInLocal
+
+// The remote repo shouldn't contain it.
+def jarRemoteRepo = new File("target/maven-repos/remote/org/apache/edgent/plugins/it/with-plugin/1.0-SNAPSHOT")
+assert jarRemoteRepo.exists()
+def foundTestJarInRemote = false
+jarRemoteRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInRemote = true
+    }
+}
+assert !foundTestJarInRemote
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/pom.xml b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/pom.xml
new file mode 100644
index 0000000..cea659b
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/pom.xml
@@ -0,0 +1,67 @@
+<?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>
+
+  <parent>
+    <groupId>org.apache</groupId>
+    <artifactId>apache</artifactId>
+    <version>19</version>
+  </parent>
+
+  <groupId>org.apache.edgent.plugins.it</groupId>
+  <artifactId>without-plugin</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <description>A simple IT verifying a build without the plugin.</description>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <distributionManagement>
+    <repository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </repository>
+    <snapshotRepository>
+      <id>mrm</id>
+      <url>@mrm.distribution.url@</url>
+    </snapshotRepository>
+  </distributionManagement>
+
+  <build>
+    <plugins>
+      <!-- Create a test-jar -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/verify.groovy b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/verify.groovy
new file mode 100644
index 0000000..e294108
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/it/without-plugin/verify.groovy
@@ -0,0 +1,53 @@
+/*
+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 groovy.io.FileType
+
+def jarFile = new File(basedir, "target/without-plugin-1.0-SNAPSHOT.jar")
+def testJarFile = new File(basedir, "target/without-plugin-1.0-SNAPSHOT-tests.jar")
+
+// The jar file should exist
+assert jarFile.exists() && jarFile.isFile()
+
+// The test-jar should also exist
+assert testJarFile.exists() && testJarFile.isFile()
+
+// The local repo should contain the test-jar.
+def jarLocalRepo = new File("target/maven-repos/local/org/apache/edgent/plugins/it/without-plugin/1.0-SNAPSHOT")
+assert jarLocalRepo.exists()
+def foundTestJarInLocal = false
+jarLocalRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInLocal = true
+    }
+}
+assert foundTestJarInLocal
+
+// The remote repo should contain it too.
+def jarRemoteRepo = new File("target/maven-repos/remote/org/apache/edgent/plugins/it/without-plugin/1.0-SNAPSHOT")
+assert jarRemoteRepo.exists()
+def foundTestJarInRemote = false
+jarRemoteRepo.eachFileRecurse (FileType.FILES) { file ->
+    println file.name
+    if(file.name.endsWith("tests.jar")) {
+        foundTestJarInRemote = true
+    }
+}
+assert foundTestJarInRemote
diff --git a/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/FilterTestJarsMojo.java b/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/FilterTestJarsMojo.java
new file mode 100644
index 0000000..7e90550
--- /dev/null
+++ b/utils/edgent-deployment-filter-maven-plugin/src/main/java/org/apache/edgent/plugins/deploymentfilter/FilterTestJarsMojo.java
@@ -0,0 +1,68 @@
+/*
+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.edgent.plugins.deploymentfilter;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+
+import org.apache.maven.plugins.annotations.LifecyclePhase;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.apache.maven.project.MavenProject;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Goal which filters all 'test-jar' artifacts from installation and deployment.
+ * The goal is added to the 'install' phase as this way it is executed after the install plugin,
+ * but before the deploy, which is the phase we don't want the artifact to be handled.
+ */
+@Mojo( name = "filter-test-jars", defaultPhase = LifecyclePhase.INSTALL )
+public class FilterTestJarsMojo
+    extends AbstractMojo
+{
+
+    @Parameter(defaultValue="${project}")
+    private MavenProject project;
+
+    public void execute()
+        throws MojoExecutionException
+    {
+        // Find all 'test-jar' artifacts.
+        // (This has to be done in separate loops in order to prevent
+        // concurrent modification exceptions.
+        List<Artifact> toBeRemovedArtifacts = new LinkedList<Artifact>();
+        for(Artifact artifact : project.getAttachedArtifacts()) {
+            if("test-jar".equals(artifact.getType())) {
+                toBeRemovedArtifacts.add(artifact);
+            }
+        }
+
+        // Remove all of them from the list of attached artifacts.
+        if(!toBeRemovedArtifacts.isEmpty()) {
+            for (Artifact toBeRemovedArtifact : toBeRemovedArtifacts) {
+                getLog().info(" - Excluding test-jar artifact " + toBeRemovedArtifact.getArtifactId() +
+                    " from deployment.");
+                project.getAttachedArtifacts().remove(toBeRemovedArtifact);
+            }
+        }
+    }
+}