New Dockerfiles and environment variables structure

Dockerfiles/java-gateway/rhel/conf/usr/sbin/zabbix_java_gateway

@@ -0,0 +1,35 @@
+
+JAVA=${JAVA:-"/usr/bin/java"}
+
+JAVA_OPTIONS="-server $JAVA_OPTIONS"
+JAVA_OPTIONS="$JAVA_OPTIONS -Dlogback.configurationFile=/etc/zabbix/zabbix_java_gateway_logback.xml"
+
+cd /usr/sbin/zabbix_java
+
+CLASSPATH="lib"
+for jar in `find lib bin ext_lib -name "*.jar"`; do
+    CLASSPATH="$CLASSPATH:$jar"
+done
+
+if [ -n "$ZBX_LISTEN_IP" ]; then
+    ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.listenIP=$ZBX_LISTEN_IP"
+fi
+if [ -n "$ZBX_LISTEN_PORT" ]; then
+    ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.listenPort=$ZBX_LISTEN_PORT"
+fi
+if [ -n "$ZBX_START_POLLERS" ]; then
+    ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.startPollers=$ZBX_START_POLLERS"
+fi
+if [ -n "$ZBX_TIMEOUT" ]; then
+    ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.timeout=$ZBX_TIMEOUT"
+fi
+if [ -n "$ZBX_PROPERTIES_FILE" ]; then
+    ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dzabbix.propertiesFile=$ZBX_PROPERTIES_FILE"
+fi
+
+tcp_timeout=${ZBX_TIMEOUT:=3}000
+ZABBIX_OPTIONS="$ZABBIX_OPTIONS -Dsun.rmi.transport.tcp.responseTimeout=$tcp_timeout"
+
+COMMAND_LINE="$JAVA $JAVA_OPTIONS -classpath $CLASSPATH $ZABBIX_OPTIONS com.zabbix.gateway.JavaGateway"
+
+exec $COMMAND_LINE