MNT-16448 / REPO-928: Fix "Alfresco OOTB install doesn't show preview for .EML files"

- add back Rfc822ToPdf to replace removal of Rfc822ToSwf (removed for BDE-443)

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@128822 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/subsystems/Transformers/default/transformers.properties

@@ -96,6 +96,9 @@ content.transformer.PdfBox.TextToPdf.extensions.csv.pdf.supported=true
 content.transformer.PdfBox.TextToPdf.extensions.xml.pdf.supported=true
 content.transformer.PdfBox.TextToPdf.maxSourceSizeKBytes=10240
 
+# EML to PDF
+content.transformer.complex.Rfc822ToPdf.pipeline=RFC822|txt|*
+
 # Supports the same transformations as the previous version by using either a single
 # ImageMagick transformation to png or two ImageMagick transformation via png.
 # Adobe Illustrator (ai) files are, in fact, PDF files

source/test-java/org/alfresco/repo/content/transform/EMLTransformerTest.java

@@ -1,28 +1,28 @@
-/*
+/*
- * #%L
+ * #%L
- * Alfresco Repository
+ * Alfresco Repository
- * %%
+ * %%
- * Copyright (C) 2005 - 2016 Alfresco Software Limited
+ * Copyright (C) 2005 - 2016 Alfresco Software Limited
- * %%
+ * %%
- * This file is part of the Alfresco software. 
+ * This file is part of the Alfresco software. 
- * If the software was purchased under a paid Alfresco license, the terms of 
+ * If the software was purchased under a paid Alfresco license, the terms of 
- * the paid license agreement will prevail.  Otherwise, the software is 
+ * the paid license agreement will prevail.  Otherwise, the software is 
- * provided under the following open source license terms:
+ * provided under the following open source license terms:
- * 
+ * 
- * Alfresco is free software: you can redistribute it and/or modify
+ * Alfresco is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
+ * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * (at your option) any later version.
- * 
+ * 
- * Alfresco is distributed in the hope that it will be useful,
+ * Alfresco is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
+ * GNU Lesser General Public License for more details.
- * 
+ * 
- * You should have received a copy of the GNU Lesser General Public License
+ * You should have received a copy of the GNU Lesser General Public License
- * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
- * #L%
+ * #L%
- */
+ */
 
 package org.alfresco.repo.content.transform;
 
@@ -59,6 +59,8 @@ public class EMLTransformerTest extends AbstractContentTransformerTest
 
     private EMLTransformer transformer;
 
+    private ContentTransformerRegistry registry;
+
     @Override
     public void setUp() throws Exception
     {
@@ -68,6 +70,8 @@ public class EMLTransformerTest extends AbstractContentTransformerTest
         transformer.setMimetypeService(mimetypeService);
         transformer.setTransformerDebug(transformerDebug);
         transformer.setTransformerConfig(transformerConfig);
+        
+        registry = (ContentTransformerRegistry) ctx.getBean("contentTransformerRegistry");
     }
 
     @Override
@@ -103,6 +107,37 @@ public class EMLTransformerTest extends AbstractContentTransformerTest
         assertTrue(reader2.getContentString().contains(QUICK_EML_CONTENT));
     }
 
+    /**
+     * Test transforming a valid eml file to pdf using complex transformer ("Rfc822ToPdf") - eg. for HTML5 preview
+     */
+    public void testRFC822ToPdf() throws Exception
+    {
+        String sourceMimetype = MimetypeMap.MIMETYPE_RFC822;
+        String targetMimetype = MimetypeMap.MIMETYPE_PDF;
+
+        String sourceExtension = mimetypeService.getExtension(sourceMimetype);
+        String targetExtension = mimetypeService.getExtension(targetMimetype);
+
+        File emlSourceFile = loadQuickTestFile("eml");
+        ContentReader sourceReader = new FileContentReader(emlSourceFile);
+
+        ContentTransformer transformer = registry.getTransformer(sourceMimetype, -1, targetMimetype, null);
+        assertNotNull(transformer);
+
+        // make a writer for the target file
+        File targetFile = TempFileProvider.createTempFile(getClass().getSimpleName() + "_"
+                + getName() + "_" + sourceExtension + "_", "." + targetExtension);
+        ContentWriter targetWriter = new FileContentWriter(targetFile);
+
+        // do the transformation
+        sourceReader.setMimetype(sourceMimetype);
+        targetWriter.setMimetype(targetMimetype);
+        transformer.transform(sourceReader.getReader(), targetWriter);
+
+        ContentReader targetReader = new FileContentReader(targetFile);
+        assertTrue(targetReader.getSize() > 0);
+    }
+
     /**
      * Test transforming a non-ascii eml file to text
      */