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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.manager.servlet;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.osee.framework.branch.management.IBranchExchange;
import org.eclipse.osee.framework.core.operation.ConsoleLogger;
import org.eclipse.osee.framework.core.server.ISessionManager;
import org.eclipse.osee.framework.core.server.SecureOseeHttpServlet;
import org.eclipse.osee.framework.jdk.core.type.PropertyStore;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.manager.servlet.data.HttpBranchExchangeInfo;
import org.eclipse.osee.framework.manager.servlet.internal.Activator;
import org.eclipse.osee.framework.resource.management.IResource;
import org.eclipse.osee.framework.resource.management.IResourceLocator;
import org.eclipse.osee.framework.resource.management.IResourceLocatorManager;
import org.eclipse.osee.framework.resource.management.IResourceManager;
/**
* @author Roberto E. Escobar
*/
public class BranchExchangeServlet extends SecureOseeHttpServlet {
private static final long serialVersionUID = -1642995618810911260L;
private final IBranchExchange branchExchangeService;
private final IResourceLocatorManager locatorManager;
private final IResourceManager resourceManager;
public BranchExchangeServlet(ISessionManager sessionManager, IBranchExchange branchExchangeService, IResourceLocatorManager locatorManager, IResourceManager resourceManager) {
super(sessionManager);
this.branchExchangeService = branchExchangeService;
this.locatorManager = locatorManager;
this.resourceManager = resourceManager;
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse response) throws IOException {
try {
HttpBranchExchangeInfo exchangeInfo = new HttpBranchExchangeInfo(req);
switch (exchangeInfo.getFunction()) {
case exportBranch:
executeExport(exchangeInfo, response);
break;
case importBranch:
executeImport(exchangeInfo, response);
break;
case checkExchange:
executeCheckExchange(exchangeInfo, response);
default:
break;
}
} catch (Exception ex) {
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.setContentType("text/plain");
OseeLog.logf(Activator.class, Level.SEVERE, ex, "Error processing [%s]", req);
response.getWriter().write(Lib.exceptionToString(ex));
}
response.getWriter().flush();
response.getWriter().close();
}
private void executeCheckExchange(HttpBranchExchangeInfo exchangeInfo, HttpServletResponse response) throws Exception {
int status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
StringBuffer message = new StringBuffer();
String path = exchangeInfo.getPath();
IResourceLocator exchangeLocator = locatorManager.getResourceLocator(path);
IResourceLocator verifyLocator = branchExchangeService.checkIntegrity(exchangeLocator);
status = HttpServletResponse.SC_ACCEPTED;
message.append(String.format("Verification at: [%s]", verifyLocator.getLocation().toASCIIString()));
response.setStatus(status);
response.setContentType("text/plain");
response.getWriter().write(message.toString());
}
private void executeExport(HttpBranchExchangeInfo exchangeInfo, HttpServletResponse response) throws Exception {
int status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
StringBuffer message = new StringBuffer();
IResourceLocator exchangeLocator =
branchExchangeService.exportBranch(exchangeInfo.getExchangeFileName(), exchangeInfo.getOptions(),
exchangeInfo.getSelectedBranchIds());
status = HttpServletResponse.SC_ACCEPTED;
message.append(String.format("Exported: [%s]", exchangeLocator.getLocation().toASCIIString()));
if (exchangeInfo.isSendExportFile()) {
InputStream exportFileStream = null;
try {
IResource resource = resourceManager.acquire(exchangeLocator, new PropertyStore());
exportFileStream = resource.getContent();
response.setStatus(HttpServletResponse.SC_OK);
response.setContentLength(exportFileStream.available());
response.setCharacterEncoding("ISO-8859-1");
response.setContentType("application/zip");
response.setHeader("Content-Disposition", "attachment; filename=" + resource.getName());
Lib.inputStreamToOutputStream(exportFileStream, response.getOutputStream());
} finally {
if (exportFileStream != null) {
exportFileStream.close();
}
}
}
if (exchangeInfo.isDeleteExportFile()) {
int deleteResult = resourceManager.delete(exchangeLocator);
if (deleteResult == IResourceManager.OK) {
status = HttpServletResponse.SC_ACCEPTED;
} else {
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
message.append(String.format("Error during deletion of: [%s]",
exchangeLocator.getLocation().toASCIIString()));
}
}
response.setStatus(status);
response.setContentType("text/plain");
response.getWriter().write(message.toString());
}
private void executeImport(HttpBranchExchangeInfo exchangeInfo, HttpServletResponse response) throws Exception {
IResourceLocator locator = locatorManager.getResourceLocator(exchangeInfo.getPath());
branchExchangeService.importBranch(locator, exchangeInfo.getOptions(), exchangeInfo.getSelectedBranchIds(),
new ConsoleLogger());
response.setStatus(HttpServletResponse.SC_ACCEPTED);
response.setContentType("text/plain");
response.getWriter().write(String.format("Successfully imported: [%s]", exchangeInfo.getPath()));
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doGet(req, resp);
// Get available export files.
// Get export file metadata for options.
}
}
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