[Openutils-svn] SF.net SVN: openutils:[1972] trunk/openutils-mgnlmedia/src/main/java/net/ sourceforge/openutils/mgnlmedia/media/types/impl/ExternalVideoTypeHandler. java

[<die...@us...>]

Revision: 1972
          http://openutils.svn.sourceforge.net/openutils/?rev=1972&view=rev
Author:   diego_schivo
Date:     2010-02-17 19:56:11 +0000 (Wed, 17 Feb 2010)

Log Message:
-----------
MEDIA-99 Copy the youtube preview image to the repository, when no additional preview image is added

Modified Paths:
--------------
    trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/types/impl/ExternalVideoTypeHandler.java

Modified: trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/types/impl/ExternalVideoTypeHandler.java
===================================================================
--- trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/types/impl/ExternalVideoTypeHandler.java	2010-02-17 09:50:56 UTC (rev 1971)
+++ trunk/openutils-mgnlmedia/src/main/java/net/sourceforge/openutils/mgnlmedia/media/types/impl/ExternalVideoTypeHandler.java	2010-02-17 19:56:11 UTC (rev 1972)
@@ -19,10 +19,19 @@
 
 package net.sourceforge.openutils.mgnlmedia.media.types.impl;
 
+import info.magnolia.cms.beans.runtime.Document;
 import info.magnolia.cms.beans.runtime.MultipartForm;
 import info.magnolia.cms.core.Content;
+import info.magnolia.cms.core.Path;
+import info.magnolia.module.admininterface.SaveHandlerImpl;
 
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
@@ -33,10 +42,12 @@
 import javax.jcr.RepositoryException;
 import javax.servlet.http.HttpServletRequest;
 
+import net.sourceforge.openutils.mgnlmedia.media.tags.el.MediaEl;
 import net.sourceforge.openutils.mgnlmedia.media.types.externals.ExternalVideoSupport;
 import net.sourceforge.openutils.mgnlmedia.media.utils.FLVMedataUtils;
 import net.sourceforge.openutils.mgnlmedia.media.utils.FLVMedataUtils.FLVMetaData;
 
+import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.ClassUtils;
 import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
@@ -62,6 +73,21 @@
     private List<ExternalVideoSupport> videoSupportHandlers = new ArrayList<ExternalVideoSupport>();
 
     /**
+     * The directory for temporary storage of files.
+     */
+    private File tempDir;
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void init(Content typeDefinitionNode)
+    {
+        super.init(typeDefinitionNode);
+        this.tempDir = new File(Path.getTempDirectoryPath());
+    }
+
+    /**
      * Returns the list of configured videoSupportHandlers.
      * @return the list of configured videoSupportHandlers.
      */
@@ -200,4 +226,69 @@
         }
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean onPostSave(Content media)
+    {
+        if (StringUtils.isEmpty(MediaEl.thumbnail(media)))
+        {
+            String downloadUrl = getUrl(media);
+            for (ExternalVideoSupport external : videoSupportHandlers)
+            {
+                if (external.isEnabled() && external.canHandle(downloadUrl))
+                {
+                    String previewUrl = external.getPreviewUrl(downloadUrl);
+                    if (StringUtils.isNotBlank(previewUrl))
+                    {
+                        BufferedReader in = null;
+                        try
+                        {
+                            URL url = new URL(previewUrl);
+                            HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();
+                            if (httpConn.getResponseCode() == 200)
+                            {
+                                in = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
+                                File file = File.createTempFile("external-video", "youtube-img", tempDir);
+                                FileOutputStream fout = null;
+                                try
+                                {
+                                    fout = new FileOutputStream(file);
+                                    IOUtils.copy(in, fout);
+                                }
+                                finally
+                                {
+                                    IOUtils.closeQuietly(fout);
+                                }
+                                Document doc = new Document(file, httpConn.getContentType());
+                                try
+                                {
+                                    SaveHandlerImpl.saveDocument(media, doc, PREVIEW_NODEDATA_NAME, "preview", null);
+                                }
+                                catch (RepositoryException e)
+                                {
+                                    log.error(e.getMessage(), e);
+                                }
+                            }
+                        }
+                        catch (MalformedURLException e)
+                        {
+                            log.error(e.getMessage(), e);
+                        }
+                        catch (IOException e)
+                        {
+                            log.error(e.getMessage(), e);
+                        }
+                        finally
+                        {
+                            IOUtils.closeQuietly(in);
+                        }
+                    }
+                    break;
+                }
+            }
+        }
+        return super.onPostSave(media);
+    }
 }


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