[FAB-1959] Support proxy auth in java buildscript

java buildscript of Docker image cannot work in proxy
authentication environment because it does not support
authentication. This patch supports proxy authentication
in java buildscript. See FAB-1959

Change-Id: I5ee5526e0a06c59cfec440e61d0e37df96c1e4ef
Signed-off-by: Nao Nishijima <Nao.nishijima@hal.hitachi.com>

core/chaincode/shim/java/javabuild.sh

@@ -20,20 +20,30 @@ set -e
 PARENTDIR=$(pwd)
 ARCH=`uname -m`
 
-function getProxyHost {
-  ADDR=${1#*://}
-  echo ${ADDR%:*}
-}
+pattern='(https?://)?((([^:\/]+)(:([^\/]*))?@)?([^:\/?]+)(:([0-9]+))?)'
 
-function getProxyPort {
-  ADDR=${1#*://}
-  echo ${ADDR#*:}
-}
+[ -n "$http_proxy" ] && HTTPPROXY=$http_proxy
+[ -n "$HTTP_PROXY" ] && HTTPPROXY=$HTTP_PROXY
+[ -n "$https_proxy" ] && HTTPSPROXY=$https_proxy
+[ -n "$HTTPS_PROXY" ] && HTTPSPROXY=$HTTPS_PROXY
+
+if [ -n "$HTTPPROXY" ]; then
+	if [[ "$HTTPPROXY" =~ $pattern ]]; then
+		[ -n "${BASH_REMATCH[4]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyUser=${BASH_REMATCH[4]}"
+		[ -n "${BASH_REMATCH[6]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyPass=${BASH_REMATCH[6]}"
+		[ -n "${BASH_REMATCH[7]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyHost=${BASH_REMATCH[7]}"
+		[ -n "${BASH_REMATCH[9]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyPort=${BASH_REMATCH[9]}"
+	fi
+fi
+if [ -n "$HTTPSPROXY" ]; then
+	if [[ "$HTTPSPROXY" =~ $pattern ]]; then
+		[ -n "${BASH_REMATCH[4]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttps.proxyUser=${BASH_REMATCH[4]}"
+		[ -n "${BASH_REMATCH[6]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttps.proxyPass=${BASH_REMATCH[6]}"
+		[ -n "${BASH_REMATCH[7]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttps.proxyHost=${BASH_REMATCH[7]}"
+		[ -n "${BASH_REMATCH[9]}" ] && JAVA_OPTS="$JAVA_OPTS -Dhttps.proxyPort=${BASH_REMATCH[9]}"
+	fi
+fi
 
-[ -n "$http_proxy" ] && JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyHost=$(getProxyHost $http_proxy) -Dhttp.proxyPort=$(getProxyPort $http_proxy)"
-[ -n "$https_proxy" ] && JAVA_OPTS="$JAVA_OPTS -Dhttps.proxyHost=$(getProxyHost $https_proxy) -Dhttps.proxyPort=$(getProxyPort $https_proxy)"
-[ -n "$HTTP_PROXY" ] && JAVA_OPTS="$JAVA_OPTS -Dhttp.proxyHost=$(getProxyHost $HTTP_PROXY) -Dhttp.proxyPort=$(getProxyPort $HTTP_PROXY)"
-[ -n "$HTTPS_PROXY" ] && JAVA_OPTS="$JAVA_OPTS -Dhttps.proxyHost=$(getProxyHost $HTTPS_PROXY) -Dhttps.proxyPort=$(getProxyPort $HTTPS_PROXY)"
 export JAVA_OPTS
 
 if [ x$ARCH == xx86_64 ]