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Final fix for AR-357: Metadata extractors are configurable

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6246 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2007-07-13 15:35:58 +00:00
parent 44f6b94cff
commit 8288d99e98
8 changed files with 199 additions and 129 deletions
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36
source/java/org/alfresco/repo/content/metadata/HtmlMetadataExtracter.java
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@@ -28,7 +28,6 @@ import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.Serializable;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
@@ -39,17 +38,26 @@ import javax.swing.text.html.HTML;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.parser.ParserDelegator;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.namespace.QName;
/**
* Extracts the following values from HTML documents:
* <pre>
* <b>author:</b> -- cm:author
* <b>title:</b> -- cm:title
* <b>description:</b> -- cm:description
* </pre>
*
* @author Jesper Steen Møller
* @author Derek Hulley
*/
public class HtmlMetadataExtracter extends AbstractMetadataExtracter
public class HtmlMetadataExtracter extends AbstractMappingMetadataExtracter
{
private static final String KEY_AUTHOR = "author";
private static final String KEY_TITLE = "title";
private static final String KEY_DESCRIPTION= "description";
private static final Set<String> MIMETYPES = new HashSet<String>(5);
static
{
@@ -59,12 +67,13 @@ public class HtmlMetadataExtracter extends AbstractMetadataExtracter
public HtmlMetadataExtracter()
{
super(MIMETYPES, 1.0, 1000);
super(MIMETYPES);
}
public void extractInternal(ContentReader reader, Map<QName, Serializable> destination) throws Throwable
@Override
protected Map<String, Serializable> extractRaw(ContentReader reader) throws Throwable
{
final Map<QName, Serializable> tempDestination = new HashMap<QName, Serializable>();
final Map<String, Serializable> rawProperties = newRawMap();
HTMLEditorKit.ParserCallback callback = new HTMLEditorKit.ParserCallback()
{
@@ -106,7 +115,7 @@ public class HtmlMetadataExtracter extends AbstractMetadataExtracter
}
else if (HTML.Tag.TITLE.equals(t) && title != null)
{
trimPut(ContentModel.PROP_TITLE, title.toString(), tempDestination);
putRawValue(KEY_TITLE, title.toString(), rawProperties);
title = null;
}
}
@@ -125,11 +134,11 @@ public class HtmlMetadataExtracter extends AbstractMetadataExtracter
if (name.equalsIgnoreCase("creator") || name.equalsIgnoreCase("author")
|| name.equalsIgnoreCase("dc.creator"))
{
trimPut(ContentModel.PROP_AUTHOR, valueO, tempDestination);
putRawValue(KEY_AUTHOR, valueO.toString(), rawProperties);
}
if (name.equalsIgnoreCase("description") || name.equalsIgnoreCase("dc.description"))
else if (name.equalsIgnoreCase("description") || name.equalsIgnoreCase("dc.description"))
{
trimPut(ContentModel.PROP_DESCRIPTION, valueO, tempDestination);
putRawValue(KEY_DESCRIPTION, valueO.toString(), rawProperties);
}
}
}
@@ -143,7 +152,7 @@ public class HtmlMetadataExtracter extends AbstractMetadataExtracter
int tries = 0;
while (tries < 3)
{
tempDestination.clear();
rawProperties.clear();
Reader r = null;
InputStream cis = null;
try
@@ -153,7 +162,6 @@ public class HtmlMetadataExtracter extends AbstractMetadataExtracter
r = new InputStreamReader(cis);
HTMLEditorKit.Parser parser = new ParserDelegator();
parser.parse(r, callback, tries > 0);
destination.putAll(tempDestination);
break;
}
catch (ChangedCharSetException ccse)
@@ -173,5 +181,7 @@ public class HtmlMetadataExtracter extends AbstractMetadataExtracter
cis.close();
}
}
// Done
return rawProperties;
}
}