SP-215 BIS-130: Standard technologies application context should include...

SP-215 BIS-130: Standard technologies application context should include needed parts depending on enabled-technologies property

SVN: 26283

common/source/java/ch/systemsx/cisd/common/spring/Bootstrapper.java

+/*
+ * Copyright 2012 ETH Zuerich, CISD
+ *
+ * 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.
+ */
+
+package ch.systemsx.cisd.common.spring;
+
+import java.util.ArrayList;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.support.AbstractRefreshableConfigApplicationContext;
+
+/**
+ * Bootstrapper bean responsible for loading resources conditionally basing on property values.
+ * Normally properties are initialized by Spring after all beans are being instanced - this class
+ * workarounds this problem by refreshing the application context after properties are being loaded.
+ * 
+ * @author Pawel Glyzewski
+ */
+public class Bootstrapper implements ApplicationContextAware, InitializingBean
+{
+    private AbstractRefreshableConfigApplicationContext context;
+
+    private String[] configLocations;
+
+    private String[] conditionalConfigLocations;
+
+    public void setConfigLocation(final String configLocation)
+    {
+        this.configLocations = new String[]
+            { configLocation };
+    }
+
+    public void setConditionalConfigLocations(final String[] conditionalConfigLocations)
+    {
+        this.conditionalConfigLocations = conditionalConfigLocations;
+    }
+
+    @Override
+    public void setApplicationContext(final ApplicationContext applicationContext)
+            throws BeansException
+    {
+        context = (AbstractRefreshableConfigApplicationContext) applicationContext;
+    }
+
+    @Override
+    public void afterPropertiesSet() throws Exception
+    {
+        ArrayList<String> allConfigLocations = new ArrayList<String>();
+        for (String configLocation : configLocations)
+        {
+            allConfigLocations.add(configLocation);
+        }
+
+        if (conditionalConfigLocations != null)
+        {
+            for (String conditionalConfigLocationString : conditionalConfigLocations)
+            {
+                int index = conditionalConfigLocationString.indexOf(":");
+                if (index != -1)
+                {
+                    String condition = conditionalConfigLocationString.substring(0, index);
+                    if (evaluateCondition(condition))
+                    {
+                        allConfigLocations
+                                .add(conditionalConfigLocationString.substring(index + 1));
+                    }
+                }
+            }
+        }
+
+        context.setConfigLocations(allConfigLocations.toArray(new String[allConfigLocations.size()]));
+        context.refresh();
+    }
+
+    private static boolean evaluateCondition(String condition)
+    {
+        if (condition.contains("~"))
+        {
+            int index = condition.indexOf("~");
+            String property = condition.substring(0, index);
+            String containedText = condition.substring(index + 1);
+            return property.contains(containedText);
+        }
+        return false;
+    }
+}

installation/resource/installer/bin/finish-installation.sh

@@ -31,16 +31,3 @@ if [ -d "$DATA_TMPEXTRACT" ]; then
    done
    rm -rf "$DATA_TMPEXTRACT"
 fi
-
-APPLICATION_CONTEXT_FILE="$INSTALL_PATH/servers/openBIS-server/jetty/webapps/openbis/WEB-INF/classes/standard-technologies-applicationContext.xml"
-if [ -f "$APPLICATION_CONTEXT_FILE" ]; then
-   tmpFile="$BASE/xxx.xml"
-   awk '/plugin-applicationContext/{gsub(/!*--/,"")}; 1' "$APPLICATION_CONTEXT_FILE" > "$tmpFile"
-   mv "$tmpFile" "$APPLICATION_CONTEXT_FILE"
-   awk '/plugin-applicationContext/{gsub(/import/,"!--import") gsub(/>/,"-->")}; 1' "$APPLICATION_CONTEXT_FILE" > "$tmpFile"
-   mv "$tmpFile" "$APPLICATION_CONTEXT_FILE"
-   for technology in $ENABLED_TECHNOLOGIES; do
-     awk -v technology=${technology/,/} 'index($0, technology){gsub(/!*--/,"")}; 1' "$APPLICATION_CONTEXT_FILE" > "$tmpFile"
-     mv "$tmpFile" "$APPLICATION_CONTEXT_FILE"
-   done
-fi
\ No newline at end of file

openbis_standard_technologies/source/java/standard-technologies-applicationContext.xml

@@ -8,14 +8,22 @@
             http://www.springframework.org/schema/tx
             http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
             http://www.springframework.org/schema/context
-            http://www.springframework.org/schema/context/spring-context-2.5.xsd">
+            http://www.springframework.org/schema/context/spring-context-2.5.xsd
+">
 
     <import resource="applicationContext.xml"/>
-    <import resource="proteomics-plugin-applicationContext.xml"/>
-    <import resource="screening-plugin-applicationContext.xml"/>
+    
+    <bean name="bootstrap" class="ch.systemsx.cisd.common.spring.Bootstrapper">
+        <property name="configLocation" value="classpath:applicationContext.xml" />
+        <property name="conditionalConfigLocations">
+        <list>
+            <value>${enabled-technologies}~proteomics:classpath:proteomics-plugin-applicationContext.xml</value>
+            <value>${enabled-technologies}~screening:classpath:screening-plugin-applicationContext.xml</value>
+        </list>
+        </property>
+    </bean>
     
     <plugins:component-scan base-package="ch.systemsx.cisd.openbis" annotation-config="false">
         <plugins:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
     </plugins:component-scan>
-    
 </beans>
\ No newline at end of file