Nullable ToString generator for Intellij

ExampleToString.java

class SampleToString {
    @Override
    public String toString() {
        return "KeyManagementState{" +
                "repId=" + repId +
                (managementState == null ? "" : ", managementState:" + managementState) +
                (desiredState == null ? "" : ", desiredState:" + desiredState) +
                (lastAction == null ? "" : ", lastAction:" + lastAction) +
                (lastActionResult == null ? "" : ", lastActionResult:" + lastActionResult) +
                (lastActionTime == null ? "" : ", lastActionTime:" + lastActionTime) +
                (nextAction == null ? "" : ", nextAction:" + nextAction) +
                (nextActionTime == null ? "" : ", nextActionTime:" + nextActionTime) +
                (lastUpdateTime == null ? "" : ", lastUpdateTime:" + lastUpdateTime) +
                (statusString == null ? "" : ", statusString:" + "'" + statusString + '\'') +
                (nextRotationTime == null ? "" : ", nextRotationTime:" + nextRotationTime) +
                ", changed=" + changed + '}';
    }
}

gistfile1.txt

public java.lang.String toString() {
#if ( $members.size() > 0 )
    #set ( $i = 0 )
return "$classname{" +
    #foreach( $member in $members )
        #if ( $i != 0 )
            #set ( $prefix = ", " )
            +
        #else
            #set ( $prefix = "" )
        #end
        #if ( $member.object || $member.objectArray || $member.primitiveArray )
            ($member.accessor == null ? "" : "$prefix$member.name:" + ##
        #else
            "$prefix$member.name=" + ##
        #end
        #if ( $member.objectArray )
            #if ($java_version < 5)
                ($member.accessor == null ? null : java.util.Arrays.asList($member.accessor)) ##
            #else
                java.util.Arrays.toString($member.accessor) ##
            #end
        #elseif ( $member.primitiveArray && $java_version >= 5)
            java.util.Arrays.toString($member.accessor) ##
        #elseif ( $member.string )
            "'" + $member.accessor + '\'' ##
        #else
            $member.accessor ##
        #end
        #if ( $member.object || $member.objectArray || $member.primitiveArray )
         ) ##
        #end
        #set ( $i = $i + 1 )
    #end
 +'}';
#else
return "$classname{}";
#end
}