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Copyright 2010 JBoss Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 
 
 package org.drools.guvnor.server.files;
 
 /*
  * Copyright 2005 JBoss Inc
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 
 
This servlet deals with import and export of the repository to XML/zip files.

Author(s):
Michael Neale
Fernando Meyer
 
 public class RepositoryBackupServlet extends RepositoryServlet {
 
     private static final LoggingHelper log                               = LoggingHelper.getLogger(RepositoryBackupServlet.class);
 	private static final long serialVersionUID = 400L;
 
 	// final FileManagerUtils uploadHelper = new FileManagerUtils();
 
This accepts a repository, and will apply it.
 
 	protected void doPost(final HttpServletRequest request,
 			final HttpServletResponse responsethrows ServletExceptionIOException {
 
         doAuthorizedAction(request, response, new A() {
 			public void a() throws Exception {
 
 				response.setContentType("text/html");
 				FormData uploadItem = FileManagerUtils.getFormData(request);
 
 				String packageImport = request.getParameter("packageImport");
 
 				if ("true".equals(packageImport)) {
 					boolean importAsNew = "true".equals(request
 							.getParameter("importAsNew"));
 
 					response.getWriter().write(
 							processImportPackage(uploadItem.getFile().getInputStream(),
 									importAsNew));
 				} else {
 					response.getWriter().write(
 							processImportRepository(uploadItem.getFile()
 									.getInputStream()));
 				}
 			}
         });
 	}

Explore the repo, provide a download
 
 	protected void doGet(final HttpServletRequest reqfinal HttpServletResponse res)
 
        doAuthorizedAction(req, res, new A() {
			public void a() throws Exception {
		try {
			String packageName = req.getParameter("packageName");
			if (packageName == null) {
				processExportRepositoryDownload(res);
else {
				processExportPackageFromRepositoryDownload(res, packageName);
			}
catch (Exception e) {
			e.printStackTrace(new PrintWriter(res.getOutputStream()));
		}
			}
	        });
	}
        log.debug("Exporting...");
		res.setContentType("application/zip");
		res.setHeader("Content-Disposition",
				"attachment; filename=repository_export.zip;");
        log.debug("Starting to process export");
        ZipOutputStream zout = new ZipOutputStream(res.getOutputStream());
        zout.putNextEntry(new ZipEntry("repository_export.xml"));
        getFileManager().exportRulesRepository(zout);
        zout.closeEntry();
        zout.finish();
		res.getOutputStream().flush();
        log.debug("Done exporting!");
	}
			HttpServletResponse resString packageName)
		res.setContentType("application/zip");
		res.setHeader("Content-Disposition""inline; filename=" + packageName
".zip;");
		res.getOutputStream().write(
				getFileManager().exportPackageFromRepository(packageName));
		res.getOutputStream().flush();
	}
		getFileManager().importRulesRepository(file);
		return "OK";
	}
	private String processImportPackage(InputStream fileboolean importAsNew)
			throws IOException {
		byte[] byteArray = new byte[file.available()];
		file.read(byteArray);
		getFileManager().importPackageToRepository(byteArray, importAsNew);
		return "OK";
	}
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