<profiles>

    <profile>

        <id>jdk-1.7</id>

        <activation>

            <activeByDefault>true</activeByDefault>

            <jdk>1.7</jdk>

        </activation>

        <properties>

            <maven.compiler.source>1.7</maven.compiler.source>

            <maven.compiler.target>1.7</maven.compiler.target>

            <maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>

        </properties>

    </profile>

  </profiles>