Added new process using python script

dspace-api/src/main/java/org/dspace/testing/Testing.java

@@ -0,0 +1,70 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.testing;
+
+import org.apache.commons.cli.ParseException;
+import org.dspace.scripts.DSpaceRunnable;
+import org.dspace.utils.DSpace;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+
+public class Testing extends DSpaceRunnable<TestingScriptConfiguration> {
+
+    @Override
+    public TestingScriptConfiguration getScriptConfiguration() {
+        return new DSpace().getServiceManager()
+                .getServiceByName("testing-script", TestingScriptConfiguration.class);
+    }
+
+    @Override
+    public void setup() throws ParseException {
+
+    }
+
+    @Override
+    public void internalRun() throws Exception {
+        System.out.println("Hello world from java");
+        try {
+            // loading python scripts stored in resources
+            InputStream scriptInputStream = getClass().getClassLoader().getResourceAsStream("python-script.py");
+            if (scriptInputStream == null) {
+                throw new FileNotFoundException("Python script not found in resources");
+            }
+
+            File tempFile = File.createTempFile("python-script", ".py");
+            tempFile.deleteOnExit();
+            // transfer the content to the temporary file
+            try (FileOutputStream out = new FileOutputStream(tempFile)) {
+                scriptInputStream.transferTo(out);
+            }
+
+            // configure ProcessBuilder to run script using python commands
+            ProcessBuilder processBuilder = new ProcessBuilder("python", tempFile.getAbsolutePath());
+            processBuilder.directory(tempFile.getParentFile());
+            Process process = processBuilder.start();
+
+            InputStreamReader inputStreamReader = new InputStreamReader(process.getInputStream(), StandardCharsets.UTF_8);
+            BufferedReader reader = new BufferedReader(inputStreamReader);
+
+            // reading the scripts output and then outputs it to the  console
+            String line = reader.readLine();
+            while (line != null) {
+                System.out.println(line);
+                line = reader.readLine();
+            }
+
+            inputStreamReader.close();
+            reader.close();
+            int exitCode = process.waitFor();
+            System.out.println("Exited with code: " + exitCode);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}

dspace-api/src/main/java/org/dspace/testing/TestingScriptConfiguration.java

@@ -0,0 +1,36 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.testing;
+
+import org.apache.commons.cli.Options;
+import org.dspace.scripts.configuration.ScriptConfiguration;
+
+public class TestingScriptConfiguration<T extends Testing> extends ScriptConfiguration<T> {
+
+    private Class<T> dspaceRunnableclass;
+
+    @Override
+    public Class<T> getDspaceRunnableClass() {
+        return dspaceRunnableclass;
+    }
+
+    @Override
+    public void setDspaceRunnableClass(Class<T> dspaceRunnableClass) {
+        this.dspaceRunnableclass = dspaceRunnableClass;
+    }
+
+    @Override
+    public Options getOptions() {
+        if (options == null) {
+            Options options = new Options();
+            options.addOption("h", "help", false, "Display help message");
+            super.options =  options;
+        }
+        return options;
+    }
+}

dspace-api/src/main/resources/python-script.py

@@ -0,0 +1 @@
+print("Hello world from python")

dspace/config/spring/api/scripts.xml

@@ -56,11 +56,6 @@
         <property name="dspaceRunnableClass" value="org.dspace.administer.ProcessCleanerCli"/>
     </bean>
 
-    <bean id="process-cleaner-2" class="org.dspace.administer.ProcessCleanerCliConfiguration2">
-        <property name="description" value="Cleanup all the old processes in the specified state"/>
-        <property name="dspaceRunnableClass" value="org.dspace.administer.ProcessCleanerCli2"/>
-    </bean>
-
     <bean id="filter-media" class="org.dspace.app.mediafilter.MediaFilterScriptConfiguration">
         <property name="description" value="Perform the media filtering to extract full text from documents and to create thumbnails"/>
         <property name="dspaceRunnableClass" value="org.dspace.app.mediafilter.MediaFilterScript"/>
@@ -96,4 +91,9 @@
         <property name="dspaceRunnableClass" value="org.dspace.app.bulkaccesscontrol.BulkAccessControlCli"/>
     </bean>
 
+    <bean id="testing-script" class="org.dspace.testing.TestingScriptConfiguration">
+        <property name="description" value="Description for testing script"/>
+        <property name="dspaceRunnableClass" value="org.dspace.testing.Testing"/>
+    </bean>
+
 </beans>

dspace/config/spring/rest/scripts.xml

@@ -44,11 +44,6 @@
         <property name="dspaceRunnableClass" value="org.dspace.administer.ProcessCleaner"/>
     </bean>
 
-    <bean id="process-cleaner-2" class="org.dspace.administer.ProcessCleanerCliConfiguration2">
-        <property name="description" value="Cleanup all the old processes in the specified state"/>
-        <property name="dspaceRunnableClass" value="org.dspace.administer.ProcessCleanerCli2"/>
-    </bean>
-
     <bean id="orcid-bulk-push" class="org.dspace.orcid.script.OrcidBulkPushScriptConfiguration" primary="true">
         <property name="description" value="Perform the bulk synchronization of all the BATCH configured ORCID entities placed in the ORCID queue"/>
         <property name="dspaceRunnableClass" value="org.dspace.orcid.script.OrcidBulkPush"/>
@@ -74,4 +69,9 @@
         <property name="dspaceRunnableClass" value="org.dspace.app.bulkaccesscontrol.BulkAccessControl"/>
     </bean>
 
+    <bean id="testing-script" class="org.dspace.testing.TestingScriptConfiguration">
+        <property name="description" value="Description for testing script"/>
+        <property name="dspaceRunnableClass" value="org.dspace.testing.Testing"/>
+    </bean>
+
 </beans>