OZ-689 - Changed mechanism in which the filter is registered

omod/pom.xml

@@ -31,6 +31,19 @@
             <artifactId>openmrs-web</artifactId>
             <version>${openmrsPlatformVersion}</version>
             <scope>provided</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>javax.servlet</groupId>
+                    <artifactId>servlet-api</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>3.0.1</version>
+            <scope>provided</scope>
         </dependency>
 
         <!-- Test dependencies -->

omod/src/main/java/org/openmrs/module/fhirproxy/web/FhirProxyFilterRegistrar.java

@@ -0,0 +1,44 @@
+/**
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
+ * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
+ *
+ * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
+ * graphic logo is a trademark of OpenMRS Inc.
+ */
+package org.openmrs.module.fhirproxy.web;
+
+import java.util.EnumSet;
+
+import javax.servlet.DispatcherType;
+import javax.servlet.FilterRegistration.Dynamic;
+import javax.servlet.ServletContext;
+
+import org.openmrs.module.fhirproxy.web.filter.FhirProxyFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.ServletContextAware;
+
+@Component
+public class FhirProxyFilterRegistrar implements ServletContextAware {
+
+	private static final Logger LOG = LoggerFactory.getLogger(FhirProxyFilterRegistrar.class);
+
+	private static final String[] MAPPINGS = { "/ws/fhir2/R4/ChargeItemDefinition/*", "/ws/fhir2/R4/InventoryItem/*" };
+
+	@Override
+	public void setServletContext(ServletContext servletContext) {
+		LOG.info("Adding FHIR Proxy Filter");
+
+		try {
+			Dynamic filter = servletContext.addFilter("FHIR Proxy", new FhirProxyFilter());
+			filter.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), false, MAPPINGS);
+		}
+		catch (Exception ex) {
+			//Ignore known issue, this happens when running openmrs the first time.
+		}
+	}
+
+}

omod/src/main/resources/config.xml

@@ -15,6 +15,9 @@
 
 	<!-- Module Activator -->
 	<activator>${project.parent.groupId}.${project.parent.artifactId}.FhirProxyActivator</activator>
+    <aware_of_modules>
+        <aware_of_module version="2.2.0">fhir2</aware_of_module>
+    </aware_of_modules>
 
     <!-- Global properties -->
     <globalProperty>
@@ -23,19 +26,5 @@
             The base URL for the external API
         </description>
     </globalProperty>
-
-    <filter>
-        <filter-name>FHIR Proxy</filter-name>
-        <filter-class>org.openmrs.module.fhirproxy.web.filter.FhirProxyFilter</filter-class>
-    </filter>
-
-    <filter-mapping>
-        <filter-name>FHIR Proxy</filter-name>
-        <url-pattern>/ws/fhir2/R4/ChargeItemDefinition/*</url-pattern>
-    </filter-mapping>
-    <filter-mapping>
-        <filter-name>FHIR Proxy</filter-name>
-        <url-pattern>/ws/fhir2/R4/InventoryItem/*</url-pattern>
-    </filter-mapping>
 </module>