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first implementation of new resource servlets

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This commit is contained in:
Sebastian Sdorra
2012-02-03 19:50:35 +01:00
parent 49af5df780
commit c687c28e83
2 changed files with 248 additions and 0 deletions
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171
scm-webapp/src/main/java/sonia/scm/resources/AbstractResourceServlet.java Normal file
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/**
* Copyright (c) 2010, Sebastian Sdorra All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions in
* binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of SCM-Manager;
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.resources;
//~--- non-JDK imports --------------------------------------------------------
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.util.HttpUtil;
import sonia.scm.util.IOUtil;
//~--- JDK imports ------------------------------------------------------------
import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
*
* @author Sebastian Sdorra
*/
public abstract class AbstractResourceServlet extends HttpServlet
{
/** Field description */
private static final long serialVersionUID = -1774434741744054387L;
/**
* the logger for AbstractResourceServlet
*/
private static final Logger logger =
LoggerFactory.getLogger(AbstractResourceServlet.class);
//~--- constructors ---------------------------------------------------------
/**
* Constructs ...
*
*
* @param resourceManager
*/
public AbstractResourceServlet(ResourceManager resourceManager)
{
this.resourceManager = resourceManager;
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @return
*/
protected abstract ResourceType getType();
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*
* @param request
* @param response
*
* @throws IOException
* @throws ServletException
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String uri = HttpUtil.getStrippedURI(request);
ResourceType type = getType();
String nameSeparator = HttpUtil.SEPARATOR_PATH.concat(
type.getExtension()).concat(
HttpUtil.SEPARATOR_PATH);
int index = uri.indexOf(nameSeparator);
if (index > 0)
{
String name = uri.substring(index + nameSeparator.length());
Resource resource = resourceManager.getResource(type, name);
if (resource != null)
{
printResource(response, resource);
}
else
{
if (logger.isWarnEnabled())
{
logger.warn("no resource with type {} and name {} found", resource,
name);
}
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
else
{
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
/**
* Method description
*
*
* @param response
* @param resource
*
* @throws IOException
*/
private void printResource(HttpServletResponse response, Resource resource)
throws IOException
{
response.setContentType(resource.getType().getContentType());
OutputStream output = null;
try
{
output = response.getOutputStream();
resource.copyTo(output);
}
finally
{
IOUtil.close(output);
}
}
//~--- fields ---------------------------------------------------------------
/** Field description */
private ResourceManager resourceManager;
}

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scm-webapp/src/main/java/sonia/scm/resources/ScriptResourceServlet.java Normal file
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/**
* Copyright (c) 2010, Sebastian Sdorra All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions in
* binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of SCM-Manager;
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.resources;
//~--- non-JDK imports --------------------------------------------------------
import com.google.inject.Inject;
import com.google.inject.Singleton;
/**
*
* @author Sebastian Sdorra
*/
@Singleton
public class ScriptResourceServlet extends AbstractResourceServlet
{
/** Field description */
private static final long serialVersionUID = 1279211769033477225L;
//~--- constructors ---------------------------------------------------------
/**
* Constructs ...
*
*
* @param resourceManager
*/
@Inject
public ScriptResourceServlet(ResourceManager resourceManager)
{
super(resourceManager);
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @return
*/
@Override
protected ResourceType getType()
{
return ResourceType.SCRIPT;
}
}