org.jboss.seam.document.DocumentStoreServlet Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jboss-seam Show documentation

Seam core module for Seam framework integrated with JSF2

There is a newer version: 3.2.26.ayg

package org.jboss.seam.document;

import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;

import javax.mail.internet.MimeUtility;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.jboss.seam.servlet.ContextualHttpServletRequest;
import org.jboss.seam.web.Parameters;

public class DocumentStoreServlet extends HttpServlet {
	private static final long serialVersionUID = 5196002741557182072L;

	
	public DocumentStoreServlet() {
		super();
	}
	
	@Override
	protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
		new ContextualHttpServletRequest(request) {
			@Override
			public void process() throws ServletException, IOException {
				doWork(request, response);
			}
		}.run();
	}

	private static void doWork(HttpServletRequest request, HttpServletResponse response) throws IOException {
		Parameters params = Parameters.instance();
		String contentId = (String) params.convertMultiValueRequestParameter(params.getRequestParameters(), "docId", String.class);
		DocumentStore store = DocumentStore.instance();

		if (store.idIsValid(contentId)) {
			boolean isIE = DocumentStorePhaseListener.isInternetExplorer(request);
			DocumentData documentData = store.getDocumentData(contentId);

			response.setContentType(documentData.getDocumentType().getMimeType());
			response.setContentType(documentData.getDocumentType().getMimeType());
			if (isIE) {
				response.setHeader("Content-Disposition",
						documentData.getDisposition() + "; filename=\"" + URLEncoder.encode(documentData.getFileName(), StandardCharsets.UTF_8.name()) + "\"");
			} else {
				response.setHeader("Content-Disposition", documentData.getDisposition() + "; filename=\""
						+ MimeUtility.encodeWord(documentData.getFileName(), "UTF-8", "Q") + "\"");
			}
			DocumentStorePhaseListener.setHeadersForInternetExplorer(request, response);
			documentData.writeDataToStream(response.getOutputStream());
		} else {
			String error = store.getErrorPage();
			if (error != null) {
				if (error.startsWith("/")) {
					error = request.getContextPath() + error;
				}
				response.sendRedirect(error);
			} else {
				response.sendError(404);
			}
		}
	}
}