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Transfer REST API implementation, used to download the contents of a transfer object to an end users local machine.

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@15703 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Gavin Cornwell
2009-08-12 14:38:22 +00:00
parent 3e5989cf4a
commit 941d5e5e9f
2 changed files with 98 additions and 33 deletions
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4
source/java/org/alfresco/repo/web/scripts/content/StreamArchive.java
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@@ -33,7 +33,6 @@ import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.alfresco.repo.exporter.ACPExportPackageHandler;
import org.alfresco.repo.web.scripts.content.StreamContent;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.view.ExporterCrawlerParameters;
import org.alfresco.service.cmr.view.ExporterService;
@@ -47,7 +46,6 @@ import org.alfresco.web.scripts.WebScriptResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
@@ -111,7 +109,7 @@ public class StreamArchive extends StreamContent
tempArchiveFile = createArchive(nodeRefs);
// stream the archive back to the client as an attachment (forcing save as)
streamContent(req, res, tempArchiveFile, true);
streamContent(req, res, tempArchiveFile, true, tempArchiveFile.getName());
}
}
catch (IOException iox)

107
source/java/org/alfresco/repo/web/scripts/content/StreamContent.java
View File

@@ -293,15 +293,32 @@ public class StreamContent extends AbstractWebScript
/**
* Streams the content on a given node's content property to the response of the web script.
*
* @param req request
* @param res response
* @param nodeRef the node reference
* @param propertyQName the content property name
* @param attach indicates whether the content should be streamed as an attachment or not
* @param req Request
* @param res Response
* @param nodeRef The node reference
* @param propertyQName The content property name
* @param attach Indicates whether the content should be streamed as an attachment or not
* @throws IOException
*/
protected void streamContent(WebScriptRequest req, WebScriptResponse res, NodeRef nodeRef, QName propertyQName, boolean attach)
throws IOException
protected void streamContent(WebScriptRequest req, WebScriptResponse res, NodeRef nodeRef, QName propertyQName,
boolean attach) throws IOException
{
streamContent(req, res, nodeRef, propertyQName, attach, null);
}
/**
* Streams the content on a given node's content property to the response of the web script.
*
* @param req Request
* @param res Response
* @param nodeRef The node reference
* @param propertyQName The content property name
* @param attach Indicates whether the content should be streamed as an attachment or not
* @param attachFileName Optional file name to use when attach is <code>true</code>
* @throws IOException
*/
protected void streamContent(WebScriptRequest req, WebScriptResponse res, NodeRef nodeRef, QName propertyQName,
boolean attach, String attachFileName) throws IOException
{
if (logger.isDebugEnabled())
logger.debug("Retrieving content from node ref " + nodeRef.toString() + " (property: " + propertyQName.toString() + ") (attach: " + attach + ")");
@@ -353,7 +370,7 @@ public class StreamContent extends AbstractWebScript
}
// Stream the cotent
streamContentImpl(req, res, reader, attach, modified, String.valueOf(modifiedSince));
streamContentImpl(req, res, reader, attach, modified, String.valueOf(modifiedSince), attachFileName);
}
/**
@@ -365,9 +382,28 @@ public class StreamContent extends AbstractWebScript
* @param attach Indicates whether the content should be streamed as an attachment or not
* @throws IOException
*/
protected void streamContent(WebScriptRequest req, WebScriptResponse res, String resourcePath, boolean attach)
throws IOException
protected void streamContent(WebScriptRequest req, WebScriptResponse res, String resourcePath,
boolean attach) throws IOException
{
streamContent(req, res, resourcePath, attach, null);
}
/**
* Streams content back to client from a given resource path.
*
* @param req The request
* @param res The response
* @param resourcePath The resource path the content is required for
* @param attach Indicates whether the content should be streamed as an attachment or not
* @param attachFileName Optional file name to use when attach is <code>true</code>
* @throws IOException
*/
protected void streamContent(WebScriptRequest req, WebScriptResponse res, String resourcePath,
boolean attach, String attachFileName) throws IOException
{
if (logger.isDebugEnabled())
logger.debug("Retrieving content from resource path " + resourcePath + " (attach: " + attach + ")");
// get extension of resource
String ext = "";
int extIndex = resourcePath.lastIndexOf('.');
@@ -383,7 +419,7 @@ public class StreamContent extends AbstractWebScript
FileCopyUtils.copy(is, os);
// stream the contents of the file
streamContent(req, res, file, attach);
streamContent(req, res, file, attach, attachFileName);
}
/**
@@ -398,6 +434,25 @@ public class StreamContent extends AbstractWebScript
protected void streamContent(WebScriptRequest req, WebScriptResponse res, File file, boolean attach)
throws IOException
{
streamContent(req, res, file, attach, null);
}
/**
* Streams content back to client from a given resource path.
*
* @param req The request
* @param res The response
* @param resourcePath The resource path the content is required for
* @param attach Indicates whether the content should be streamed as an attachment or not
* @param attachFileName Optional file name to use when attach is <code>true</code>
* @throws IOException
*/
protected void streamContent(WebScriptRequest req, WebScriptResponse res, File file, boolean attach,
String attachFileName) throws IOException
{
if (logger.isDebugEnabled())
logger.debug("Retrieving content from file " + file.getAbsolutePath() + " (attach: " + attach + ")");
// determine mimetype from file extension
String filePath = file.getAbsolutePath();
String mimetype = MimetypeMap.MIMETYPE_BINARY;
@@ -424,28 +479,40 @@ public class StreamContent extends AbstractWebScript
reader.setMimetype(mimetype);
reader.setEncoding("UTF-8");
streamContentImpl(req, res, reader, attach, this.resouceFileModifiedDate, String.valueOf(this.resouceFileModifiedDate.getTime()));
streamContentImpl(req, res, reader, attach, this.resouceFileModifiedDate,
String.valueOf(this.resouceFileModifiedDate.getTime()), attachFileName);
}
/**
* Stream content implementation
*
* @param req
* @param res
* @param reader
* @param attach
* @param modified
* @param req The request
* @param res The response
* @param reader The reader
* @param attach Indicates whether the content should be streamed as an attachment or not
* @param modified Modified date of content
* @param eTag ETag to use
* @param attachFileName Optional file name to use when attach is <code>true</code>
* @throws IOException
*/
protected void streamContentImpl(WebScriptRequest req, WebScriptResponse res, ContentReader reader, boolean attach, Date modified, String eTag)
throws IOException
protected void streamContentImpl(WebScriptRequest req, WebScriptResponse res, ContentReader reader, boolean attach,
Date modified, String eTag, String attachFileName) throws IOException
{
// handle attachment
if (attach == true)
{
String headerValue = "attachment";
if (attachFileName != null && attachFileName.length() > 0)
{
if (logger.isDebugEnabled())
logger.debug("Attaching content using filename: " + attachFileName);
headerValue += "; filename=" + attachFileName;
}
// set header based on filename - will force a Save As from the browse if it doesn't recognize it
// this is better than the default response of the browser trying to display the contents
res.setHeader("Content-Disposition", "attachment");
res.setHeader("Content-Disposition", headerValue);
}
// establish mimetype