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Merged from BRANCHES/DEV/KEVINR:

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. NodeInfo panel and Ajax client library
 - Rewrite of Node Info panel
 - Alfresco common DOM methods refactored into namespaced object (YUI/Dojo style) Alfresco.Dom
 - Addition of useful DOM and 'smart' alignment method to common.js
 - OpenSearch now uses additional namespace for it's global method handlers: Alfresco.OpenSearchEngine
 - Temporary icons added for pop-up node info panel
. Additional FreeMarker model API method "cropContent(contentprop, length)" to return the first N bytes of a content stream - auto converted to plain/text from all supported transformation mimetypes
. DownloadContentServlet now handles ContentIOException more gracefully
. AbstractContentReader fixed to handle empty file data when requesting N characters from a content stream

. Yahoo scripts move to PageTag rendering as appropriate
. Refactoring of existing ajax components that output Yahoo scripts

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5253 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Kevin Roast
2007-03-01 17:24:08 +00:00
parent a3d3014467
commit a6cd614afa
4 changed files with 137 additions and 4 deletions
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60
source/java/org/alfresco/service/cmr/repository/TemplateNode.java
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@@ -36,6 +36,8 @@ import java.util.Map;
import java.util.Set;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.action.executer.TransformActionExecuter;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.repo.security.permissions.AccessDeniedException;
import org.alfresco.repo.template.LuceneSearchResultsMap;
import org.alfresco.repo.template.NamePathResultsMap;
@@ -793,6 +795,64 @@ public class TemplateNode implements Serializable
return (reader != null && reader.exists()) ? reader.getContentString() : "";
}
/**
* @return the content stream to the specified maximum length in characters
*/
public String getContent(int length)
{
ContentService contentService = services.getContentService();
ContentReader reader = contentService.getReader(nodeRef, property);
return (reader != null && reader.exists()) ? reader.getContentString(length) : "";
}
/**
* @param length Length of the character stream to return, or -1 for all
*
* @return the binary content stream converted to text using any available transformer
* if fails to convert then null will be returned
*/
public String getContentAsText(int length)
{
String result = null;
if (MimetypeMap.MIMETYPE_TEXT_PLAIN.equals(mimetype))
{
result = getContent(length);
}
else
{
// get the content reader
ContentService contentService = services.getContentService();
ContentReader reader = contentService.getReader(nodeRef, property);
// get the writer and set it up for text convert
ContentWriter writer = contentService.getWriter(null, ContentModel.PROP_CONTENT, true);
writer.setMimetype("text/plain");
writer.setEncoding(reader.getEncoding());
// try and transform the content
if (contentService.isTransformable(reader, writer))
{
contentService.transform(reader, writer);
ContentReader resultReader = writer.getReader();
if (resultReader != null && reader.exists())
{
if (length != -1)
{
result = resultReader.getContentString(length);
}
else
{
result = resultReader.getContentString();
}
}
}
}
return result;
}
/**
* @return
*/