Onboarding foundation changes

1. Adding OnboardingSessionContextFilter which sets tenant(kespace) for
   onboarding application
2. Different services can extend SessionContextFilter to set their own
   keyspace
3. These changes in onboarding are done to support services like
   ActivitySpec

Change-Id: Ia62557354ab05235d027250af94a2835d741b7fa
Issue-ID: SDC-1005
Signed-off-by: sheetalm <sheetal.mudholkar@amdocs.com>

2 files changed, 57 insertions, 0 deletions

diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/pom.xml b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/pom.xml
index da8147f287..a82298b4c1 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/pom.xml
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/pom.xml
@@ -45,6 +45,16 @@
             <version>${swagger.version}</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.openecomp.sdc.core</groupId>
+            <artifactId>openecomp-session-lib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>${javax.servlet.version}</version>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/filters/SessionContextFilter.java b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/filters/SessionContextFilter.java
new file mode 100644
index 0000000000..f81cc4b586
--- /dev/null
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/filters/SessionContextFilter.java
@@ -0,0 +1,47 @@
+package org.openecomp.sdcrests.filters;
+
+import org.openecomp.sdc.common.session.SessionContextProvider;
+import org.openecomp.sdc.common.session.SessionContextProviderFactory;
+
+import java.io.IOException;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+
+public abstract class SessionContextFilter implements Filter {
+  @Override
+  public void init(FilterConfig filterConfig) throws ServletException {
+
+  }
+
+  @Override
+  public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
+                       FilterChain filterChain) throws IOException, ServletException {
+    SessionContextProvider contextProvider =
+        SessionContextProviderFactory.getInstance().createInterface();
+
+    try {
+      if (servletRequest instanceof HttpServletRequest) {
+
+        contextProvider.create(getUser(servletRequest),getTenant(servletRequest));
+      }
+
+      filterChain.doFilter(servletRequest, servletResponse);
+    } finally {
+      contextProvider.close();
+    }
+  }
+
+  @Override
+  public void destroy() {
+
+  }
+
+  public abstract String getUser(ServletRequest servletRequest);
+
+  public abstract String getTenant(ServletRequest servletRequest);
+}