Java Code Examples for org.alfresco.service.cmr.repository.ContentReader#setEncoding()

/**
 * Writes the supplied text out to a temporary file, and opens
 *  a content reader onto it. 
 */
protected static ContentReader buildContentReader(String text, Charset encoding)
    throws IOException
{
    File tmpFile = TempFileProvider.createTempFile("AlfrescoTest_", ".txt");
    FileOutputStream out = new FileOutputStream(tmpFile);
    OutputStreamWriter wout = new OutputStreamWriter(out, encoding);
    wout.write(text);
    wout.close();
    out.close();
    
    ContentReader reader = new FileContentReader(tmpFile);
    reader.setEncoding(encoding.displayName());
    reader.setMimetype("text/plain");
    return reader;
}
 

public void testMediaWikiToHTML() throws Exception
{
   File input = TempFileProvider.createTempFile("mediaWikiTest", ".mw");
   FileOutputStream fos = new FileOutputStream(input);
   fos.write(WIKI_TEXT.getBytes());
   fos.close();
   
   File output = TempFileProvider.createTempFile("mediaWikiTest", ".htm");
   
   ContentReader contentReader = new FileContentReader(input);
   contentReader.setMimetype(MimetypeMap.MIMETYPE_TEXT_MEDIAWIKI);
   contentReader.setEncoding("UTF-8");
   
   ContentWriter contentWriter = new FileContentWriter(output);
   contentWriter.setMimetype(MimetypeMap.MIMETYPE_HTML);
   contentWriter.setEncoding("UTF-8");
   
   transformer.transform(contentReader, contentWriter);
   
   String line = null;
   BufferedReader reader = new BufferedReader(new FileReader(output));
   while ((line = reader.readLine()) != null) 
   {
       System.out.println(line);
   }
}
 

/**
 * Performs checks and copies required reader attributes
 */
public final ContentReader getReader() throws ContentIOException
{
    String contentUrl = getContentUrl();
    if (!isClosed())
    {
        return new EmptyContentReader(contentUrl);
    }
    ContentReader reader = createReader();
    if (reader == null)
    {
        throw new AlfrescoRuntimeException("ContentReader failed to create new reader: \n" +
                "   writer: " + this);
    }
    else if (reader.getContentUrl() == null || !reader.getContentUrl().equals(contentUrl))
    {
        throw new AlfrescoRuntimeException("ContentReader has different URL: \n" +
                "   writer: " + this + "\n" +
                "   new reader: " + reader);
    }
    // copy across common attributes
    reader.setMimetype(this.getMimetype());
    reader.setEncoding(this.getEncoding());
    reader.setLocale(this.getLocale());
    // done
    if (logger.isDebugEnabled())
    {
        logger.debug("Writer spawned new reader: \n" +
                "   writer: " + this + "\n" +
                "   new reader: " + reader);
    }
    return reader;
}
 

/**
 * Performs checks and copies required reader attributes
 */
public final ContentReader getReader() throws ContentIOException
{
    ContentReader reader = createReader();
    if (reader == null)
    {
        throw new AlfrescoRuntimeException("ContentReader failed to create new reader: \n" +
                "   reader: " + this);
    }
    else if (reader.getContentUrl() == null || !reader.getContentUrl().equals(getContentUrl()))
    {
        throw new AlfrescoRuntimeException("ContentReader has different URL: \n" +
                "   reader: " + this + "\n" +
                "   new reader: " + reader);
    }
    // copy across common attributes
    reader.setMimetype(this.getMimetype());
    reader.setEncoding(this.getEncoding());
    reader.setLocale(this.getLocale());
    // done
    if (logger.isDebugEnabled())
    {
        logger.debug("Reader spawned new reader: \n" +
                "   reader: " + this + "\n" +
                "   new reader: " + reader);
    }
    return reader;
}
 

/** {@inheritDoc} */
public ContentReader getRawReader(String contentUrl)
{
    ContentReader reader = null;
    try
    {
        reader = store.getReader(contentUrl);
    }
    catch (UnsupportedContentUrlException e)
    {
        // The URL is not supported, so we spoof it
        reader = new EmptyContentReader(contentUrl);
    }
    if (reader == null)
    {
        throw new AlfrescoRuntimeException("ContentStore implementations may not return null ContentReaders");
    }
    // set extra data on the reader
    reader.setMimetype(MimetypeMap.MIMETYPE_BINARY);
    reader.setEncoding("UTF-8");
    reader.setLocale(I18NUtil.getLocale());
    
    // Done
    if (logger.isDebugEnabled())
    {
        logger.debug(
                "Direct request for reader: \n" +
                "   Content URL: " + contentUrl + "\n" +
                "   Reader:      " + reader);
    }
    return reader;
}
 

@SuppressWarnings("unchecked")
private ContentReader getReader(NodeRef nodeRef, QName propertyQName, boolean fireContentReadPolicy)
{
    ContentData contentData = getContentData(nodeRef, propertyQName);

    // check that the URL is available
    if (contentData == null || contentData.getContentUrl() == null)
    {
        // there is no URL - the interface specifies that this is not an error condition
        return null;                                
    }
    String contentUrl = contentData.getContentUrl();
    
    // The context of the read is entirely described by the URL
    ContentReader reader = store.getReader(contentUrl);
    if (reader == null)
    {
        throw new AlfrescoRuntimeException("ContentStore implementations may not return null ContentReaders");
    }
    
    // set extra data on the reader
    reader.setMimetype(contentData.getMimetype());
    reader.setEncoding(contentData.getEncoding());
    reader.setLocale(contentData.getLocale());
    
    // Fire the content read policy
    if (reader != null && fireContentReadPolicy == true)
    {
        // Fire the content update policy
        Set<QName> types = new HashSet<QName>(this.nodeService.getAspects(nodeRef));
        types.add(this.nodeService.getType(nodeRef));
        OnContentReadPolicy policy = this.onContentReadDelegate.get(nodeRef, types);
        policy.onContentRead(nodeRef);
    }
    
    // we don't listen for anything
    // result may be null - but interface contract says we may return null
    return reader;
}