Changed SLCommandFactory configuration mechanism and moved the actual configuration to spring's application context

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@231 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

5 files changed, 100 insertions, 66 deletions

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/SLCommandFactory.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/SLCommandFactory.java
index e13b29a1..9c98ef8a 100644
--- a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/SLCommandFactory.java
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/SLCommandFactory.java
@@ -16,40 +16,37 @@
 */
 package at.gv.egiz.bku.slcommands;

 

-import java.io.IOException;

-import java.net.URL;

-import java.util.HashMap;

-import java.util.Map;

-

-import javax.xml.XMLConstants;

-import javax.xml.bind.JAXBContext;

-import javax.xml.bind.JAXBElement;

-import javax.xml.bind.JAXBException;

-import javax.xml.bind.UnmarshalException;

-import javax.xml.bind.Unmarshaller;

-import javax.xml.namespace.QName;

-import javax.xml.stream.XMLEventReader;

-import javax.xml.stream.XMLInputFactory;

-import javax.xml.stream.XMLStreamException;

-import javax.xml.transform.Source;

-import javax.xml.transform.stream.StreamSource;

-import javax.xml.validation.Schema;

-import javax.xml.validation.SchemaFactory;

-

-import org.apache.commons.logging.Log;

-import org.apache.commons.logging.LogFactory;

-import org.xml.sax.SAXException;

-import org.xml.sax.SAXParseException;

-

-import at.gv.egiz.bku.slcommands.impl.CreateXMLSignatureCommandImpl;

-import at.gv.egiz.bku.slcommands.impl.InfoboxReadCommandImpl;

-import at.gv.egiz.bku.slcommands.impl.NullOperationCommandImpl;

-import at.gv.egiz.bku.slexceptions.SLCommandException;

-import at.gv.egiz.bku.slexceptions.SLExceptionMessages;

-import at.gv.egiz.bku.slexceptions.SLRequestException;

-import at.gv.egiz.bku.slexceptions.SLRuntimeException;

-import at.gv.egiz.slbinding.RedirectEventFilter;

-import at.gv.egiz.slbinding.RedirectUnmarshallerListener;

+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.XMLConstants;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBElement;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.UnmarshalException;
+import javax.xml.bind.Unmarshaller;
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLEventReader;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.transform.Source;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+import at.gv.egiz.bku.slexceptions.SLCommandException;
+import at.gv.egiz.bku.slexceptions.SLExceptionMessages;
+import at.gv.egiz.bku.slexceptions.SLRequestException;
+import at.gv.egiz.bku.slexceptions.SLRuntimeException;
+import at.gv.egiz.slbinding.RedirectEventFilter;
+import at.gv.egiz.slbinding.RedirectUnmarshallerListener;
 

 public class SLCommandFactory {

 

@@ -72,29 +69,30 @@ public class SLCommandFactory {
     /**

      * Schema for Security Layer command validation.

      */

-    private static Schema slSchema;

+    private Schema slSchema;

     /**

      * The JAXBContext.

      */

-    private static JAXBContext jaxbContext;

+    private JAXBContext jaxbContext;

     /**

      * The map of <namespaceURI>:<localName> to implementation class of the

      * corresponding {@link SLCommand}.

      */

-    private static Map<String, Class<? extends SLCommand>> slRequestTypeMap = new HashMap<String, Class<? extends SLCommand>>();

-    

-

-    static {

-

-        // TODO: implement dynamic registration

-

-        // register all known implementation classes

-        putImplClass(SLCommand.NAMESPACE_URI, "NullOperationRequest",

-          NullOperationCommandImpl.class);

-        putImplClass(SLCommand.NAMESPACE_URI, "InfoboxReadRequest",

-          InfoboxReadCommandImpl.class);

-        putImplClass(SLCommand.NAMESPACE_URI, "CreateXMLSignatureRequest",

-          CreateXMLSignatureCommandImpl.class);

+    private Map<String, Class<? extends SLCommand>> slRequestTypeMap = new HashMap<String, Class<? extends SLCommand>>();

+    
+    /**
+     * Configures the singleton instance with command implementations
+     * @param commandImplMap
+     * @throws ClassNotFoundException 
+     */
+    @SuppressWarnings("unchecked")
+    public void setCommandImpl(Map<String, String> commandImplMap) throws ClassNotFoundException {
+      ClassLoader cl = getClass().getClassLoader();
+      for (String key : commandImplMap.keySet()) {
+        Class<? extends SLCommand> impl =  (Class<? extends SLCommand>) cl.loadClass(commandImplMap.get(key));
+        log.debug("Registering sl command implementation for :"+key+ "; implementation class: "+impl.getCanonicalName());
+        slRequestTypeMap.put(key, impl);
+      }
     }

 

     /**

@@ -110,7 +108,7 @@ public class SLCommandFactory {
      *          the implementation class, or <code>null</code> to deregister a

      *          currently registered class

      */

-    public static void putImplClass(String namespaceUri, String localname,

+    public  void setImplClass(String namespaceUri, String localname,

       Class<? extends SLCommand> slCommandClass) {

         if (slCommandClass != null) {

             slRequestTypeMap.put(namespaceUri + ":" + localname, slCommandClass);

@@ -128,7 +126,7 @@ public class SLCommandFactory {
      * @return the implementation class, or <code>null</code> if no class is

      *         registered for the given <code>name</code>

      */

-    public static Class<? extends SLCommand> getImplClass(QName name) {

+    public Class<? extends SLCommand> getImplClass(QName name) {

         String namespaceURI = name.getNamespaceURI();

         String localPart = name.getLocalPart();

         return slRequestTypeMap.get(namespaceURI + ":" + localPart);

@@ -139,14 +137,14 @@ public class SLCommandFactory {
      * 

      * @param slSchema the schema to validate Security Layer commands with

      */

-    public static void setSLSchema(Schema slSchema) {

-        SLCommandFactory.slSchema = slSchema;

+    public void setSLSchema(Schema slSchema) {

+        this.slSchema = slSchema;

     }

 

     /**

      * @return the jaxbContext

      */

-    public static JAXBContext getJaxbContext() {

+    public JAXBContext getJaxbContext() {

         ensureJaxbContext();

         return jaxbContext;

     }

@@ -154,14 +152,14 @@ public class SLCommandFactory {
     /**

      * @param jaxbContext the jaxbContext to set

      */

-    public static void setJaxbContext(JAXBContext jaxbContext) {

-        SLCommandFactory.jaxbContext = jaxbContext;

+    public  void setJaxbContext(JAXBContext jaxbContext) {

+        this.jaxbContext = jaxbContext;

     }

 

     /**

      * Initialize the JAXBContext.

      */

-    private synchronized static void ensureJaxbContext() {

+    private synchronized void ensureJaxbContext() {

         if (jaxbContext == null) {

             try {

                 String slPkg = at.buergerkarte.namespaces.securitylayer._1.ObjectFactory.class.getPackage().getName();

@@ -177,7 +175,7 @@ public class SLCommandFactory {
     /**

      * Initialize the security layer schema.

      */

-    private synchronized static void ensureSchema() {

+    private synchronized void ensureSchema() {

         if (slSchema == null) {

             try {

                 SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

@@ -194,7 +192,7 @@ public class SLCommandFactory {
                 }

                 Schema schema = schemaFactory.newSchema(sources);

                 log.debug("Schema successfully created.");

-                SLCommandFactory.setSLSchema(schema);

+                setSLSchema(schema);

             } catch (SAXException e) {

                 log.error("Failed to load security layer schema.", e);

                 throw new SLRuntimeException("Failed to load security layer schema.", e);

@@ -211,9 +209,9 @@ public class SLCommandFactory {
      */

     public synchronized static SLCommandFactory getInstance() {

         if (instance == null) {

-            ensureJaxbContext();

-            ensureSchema();

-            instance = new SLCommandFactory();

+          instance = new SLCommandFactory();

+          instance.ensureJaxbContext();

+          instance.ensureSchema();

         }

         return instance;

     }

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/CreateXMLSignatureResultImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/CreateXMLSignatureResultImpl.java
index 092a13c4..4969c85a 100644
--- a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/CreateXMLSignatureResultImpl.java
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/CreateXMLSignatureResultImpl.java
@@ -84,7 +84,7 @@ public class CreateXMLSignatureResultImpl extends SLResultImpl {
 

     DocumentFragment fragment = doc.createDocumentFragment();

     

-    JAXBContext jaxbContext = SLCommandFactory.getJaxbContext();

+    JAXBContext jaxbContext = SLCommandFactory.getInstance().getJaxbContext();

     try {

       Marshaller marshaller = jaxbContext.createMarshaller();

       marshaller.marshal(createCreateXMLSignatureResponse, fragment);

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/InfoboxReadResultFileImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/InfoboxReadResultFileImpl.java
index 6f41b562..78e2e7fa 100644
--- a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/InfoboxReadResultFileImpl.java
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/InfoboxReadResultFileImpl.java
@@ -95,7 +95,7 @@ public class InfoboxReadResultFileImpl extends SLResultImpl implements
     

     JAXBElement<InfoboxReadResponseType> infoboxReadResponse = factory.createInfoboxReadResponse(infoboxReadResponseType);

     

-    JAXBContext context = SLCommandFactory.getJaxbContext();

+    JAXBContext context = SLCommandFactory.getInstance().getJaxbContext();

     try {

       Marshaller marshaller = context.createMarshaller();

       marshaller.marshal(infoboxReadResponse, doc);

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/SLResultImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/SLResultImpl.java
index 7306b237..80bbdca8 100644
--- a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/SLResultImpl.java
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/SLResultImpl.java
@@ -85,7 +85,7 @@ public abstract class SLResultImpl implements SLResult {
 
   private Marshaller getMarshaller() {
     try {
-      JAXBContext context  = SLCommandFactory.getJaxbContext();
+      JAXBContext context  = SLCommandFactory.getInstance().getJaxbContext();
       Marshaller marshaller = context.createMarshaller();
       marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
       return marshaller;
diff --git a/bkucommon/src/main/resources/at/gv/egiz/bku/slcommands/testApplicationContext.xml b/bkucommon/src/main/resources/at/gv/egiz/bku/slcommands/testApplicationContext.xml
new file mode 100644
index 00000000..885e35f3
--- /dev/null
+++ b/bkucommon/src/main/resources/at/gv/egiz/bku/slcommands/testApplicationContext.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>

+	<!--

+		Copyright 2008 Federal Chancellery Austria and Graz University of

+		Technology Licensed under the Apache License, Version 2.0 (the

+		"License"); you may not use this file except in compliance with the

+		License. You may obtain a copy of the License at

+		http://www.apache.org/licenses/LICENSE-2.0 Unless required by

+		applicable law or agreed to in writing, software distributed under the

+		License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR

+		CONDITIONS OF ANY KIND, either express or implied. See the License for

+		the specific language governing permissions and limitations under the

+		License.

+	-->
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

+

+	

+	<bean id="slCommandFactory" class="at.gv.egiz.bku.slcommands.SLCommandFactory"

+		factory-method="getInstance">

+		<property name="commandImpl">

+			<map>

+				<entry

+					key="http://www.buergerkarte.at/namespaces/securitylayer/1.2#:NullOperationRequest"

+					value="at.gv.egiz.bku.slcommands.impl.NullOperationCommandImpl" />

+				<entry

+					key="http://www.buergerkarte.at/namespaces/securitylayer/1.2#:InfoboxReadRequest"

+					value="at.gv.egiz.bku.slcommands.impl.InfoboxReadCommandImpl" />

+				<entry

+					key="http://www.buergerkarte.at/namespaces/securitylayer/1.2#:CreateXMLSignatureRequest"

+					value="at.gv.egiz.bku.slcommands.impl.CreateXMLSignatureCommandImpl" />

+			</map>

+		</property>

+	</bean>

+

+</beans>
\ No newline at end of file