Config atlas plugin

add dark feature.xml

<build>
    <plugins>
        <plugin>
            <groupId>com.atlassian.maven.plugins</groupId>
            <artifactId>maven-amps-plugin</artifactId>
            <configuration>
                ...
                <products>
                    <product>
                        <id>jira</id>
                        <systemPropertyVariables>
                            <atlassian.darkfeature.my.dark.feature>${my-flag}</atlassian.darkfeature.my.dark.feature>

enforce java version.xml

<project>
    <build>
        <plugins>
	    <plugin>
		<groupId>org.apache.maven.plugins</groupId>
		<artifactId>maven-enforcer-plugin</artifactId>
		<executions>
		    <execution>
			<id>enforce-java</id>
			<goals>
			  <goal>enforce</goal>
			</goals>
			<configuration>
			  <rules>
			    <requireJavaVersion>
				<version>[1.4,1.5)</version>
			    </requireJavaVersion>
			  </rules>
			</configuration>
		    </execution>
	          </executions>
            </plugin>
        </plugins>
    </build>
</project>

-----------------------------
change different level:

<project>
  ...
  <properties>
    ...
    <jdkLevel>1.4</jdkLevel>
  </properties>
  ...
</project>

mport these Confluence packages at runtime.xml

<configuration>
  ...
  <instructions>
    <Import-Package>
      com.atlassian.confluence.events.event.space;version="[3.4,4.0)",
      com.atlassian.confluence.search.lucene.*;version="[3.4,4.0)",
      com.atlassian.confluence.json*;version="[3.4,4.0)"
    </Import-Package>
  </instructions>
</configuration>

OSGI manifest instruction.xml

<project>
  <build>
    <plugins>
      <plugin>
        <groupId>com.atlassian.maven.plugins</groupId>
        <artifactId>maven-***-plugin</artifactId> <!-- *** is the name of the application (product) you're using -->
        <version>3.2.3</version>
        <extensions>true</extensions>
        <configuration>
          <productVersion>${product.version}</productVersion>
          <instructions>
            <!-- OSGi instructions go here -->
          </instructions>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>

pom.xml

<!--When run release on build after test run again stable and master confluence. 
The release step only release package and put into repo and skip running all test again.-->

<build>
<pluginManagement>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-release-plugin</artifactId>
            <version>${maven.release.plugin.version}</version>
            <configuration>
                <arguments>-Dmaxmemory=512m -DskipTests=true</arguments>
            </configuration>
            <dependencies>
                <dependency>
                    <groupId>org.apache.maven.scm</groupId>
                    <artifactId>maven-scm-provider-gitexe</artifactId>
                    <version>1.4</version>
                </dependency>
            </dependencies>
        </plugin>
        <plugin>
            <groupId>com.atlassian.maven.plugins</groupId>
            <artifactId>maven-amps-plugin</artifactId>
            <version>${amps.version}</version>
        </plugin>
        <plugin>
            <groupId>com.atlassian.maven.plugins</groupId>
            <artifactId>maven-amps-dispatcher-plugin</artifactId>
            <version>${amps.version}</version>
        </plugin>
    </plugins>
</pluginManagement>

<plugins>
    <plugin>
        <artifactId>maven-release-plugin</artifactId>
        <version>${maven.release.plugin.version}</version>
        <configuration>
            <!-- When using atlassian-public-pom as parent POM we need this configuration to skip tests, -->
            <!-- as command line arguments are ignored. -->
            <arguments>-Prelease -DskipTests</arguments>
        </configuration>
    </plugin>

    <plugin>
        <groupId>com.atlassian.maven.plugins</groupId>
        <artifactId>maven-confluence-plugin</artifactId>
        <version>${amps.version}</version>
        <extensions>true</extensions>
        <configuration>
            <jvmArgs>${jvmArgs}</jvmArgs>
            <productVersion>${confluence.version}</productVersion>
            <productDataVersion>${confluence.data.version}</productDataVersion>
            <server>localhost</server>
            <instructions>
                <Atlassian-Plugin-Key>${atlassian.plugin.key}</Atlassian-Plugin-Key>

                <!-- Add package to export here -->
                <Export-Package>
                    com.atlassian.confluence.plugins.softwareproject,
                </Export-Package>

                <!-- Add package import here -->
                <Import-Package>
                    org.springframework.cglib.core,
                    org.springframework.cglib.proxy,
                    org.springframework.osgi.*;resolution:="optional",

                    org.eclipse.gemini.blueprint.*;resolution:="optional",
                    com.atlassian.plugin.osgi.bridge.external,
                    com.atlassian.sal.api.*,

                    com.atlassian.jira.*;resolution:="optional",

                    org.slf4j,
                    org.apache.commons.lang,
                    *;resolution:=optional
                </Import-Package>

                <!-- Ensure plugin is spring powered - see https://extranet.atlassian.com/x/xBS9hQ  -->
                <Spring-Context>*</Spring-Context>
            </instructions>
        </configuration>
    </plugin>

    <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
            <source>1.8</source>
            <target>1.8</target>
        </configuration>
    </plugin>

    <plugin>
        <!-- Compress JS/CSS -->
        <groupId>net.sf.alchim</groupId>
        <artifactId>yuicompressor-maven-plugin</artifactId>
        <version>0.7.1</version>
        <executions>
            <execution>
                <goals>
                    <goal>compress</goal>
                </goals>
            </execution>
        </executions>
        <configuration>
            <jswarn>false</jswarn>
            <excludes>
                <exclude>**/*-min*</exclude>
                <exclude>**/*.min*</exclude>
            </excludes>
        </configuration>
    </plugin>

    <plugin>
        <!-- Compile LESS -->
        <groupId>com.atlassian.lesscss</groupId>
        <artifactId>lesscss-maven-plugin</artifactId>
        <version>1.3.4</version>
        <executions>
            <execution>
                <id>compile-less</id>
                <phase>process-resources</phase>
                <goals>
                    <goal>compile</goal>
                </goals>
                <configuration>
                    <sourceDirectory>${project.basedir}/src/main/resources</sourceDirectory>
                    <outputDirectory>${project.build.outputDirectory}</outputDirectory>
                    <compress>false</compress>
                </configuration>
            </execution>
        </executions>
    </plugin>
</plugins>
</build>