Add methods for reading environment variables

common/src/main/java/com/genexus/GXRuntime.java

@@ -1,5 +1,8 @@
 package com.genexus;
 
+import com.genexus.util.*;
+import java.util.Map;
+
 public class GXRuntime {
   static public short getEnvironment() {
     return 1; // RuntimeEnvironment.Server
@@ -17,4 +20,30 @@ static public void setExitCode(int value) {
   static public int getExitCode() {
     return exitCode; 
   }
+
+  public static String GetEnvironmentVariable(String key) {
+  	String value = "";
+  	if (key != null && key.length() > 0){
+		value = System.getenv(key);
+	}
+  		return value;
+  }
+  public static GXProperties GetEnvironmentVariables() {
+
+	  Map<String, String> env = System.getenv();
+	  GXProperties gxProperties = new GXProperties();
+	  for (String envName : env.keySet()) {
+		  gxProperties.add(envName,env.get(envName) );
+	  }
+	  return gxProperties;
+	}
+
+  public static boolean HasEnvironmentVariable(String key) {
+  	if (key != null && key.length() > 0){
+  		String value = System.getenv(key);
+  		if (value != null && value.length() > 0)
+  			return true;
+  	}
+  	return false;
+  }
 }