X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.support.odk%2Fsrc%2Forg%2Fargeo%2Fsupport%2Fodk%2Fservlet%2FOdkFormServlet.java;fp=org.argeo.support.odk%2Fsrc%2Forg%2Fargeo%2Fsupport%2Fodk%2Fservlet%2FOdkFormServlet.java;h=cab562cc6465fbd462d3675bec8f7b4f2e9fda27;hb=3440f51df3e4c015972c7b6a0efb3ce16188b89b;hp=0000000000000000000000000000000000000000;hpb=752a7b2614895002a3d184be166ef4162caf0d05;p=gpl%2Fargeo-suite.git

diff --git a/org.argeo.support.odk/src/org/argeo/support/odk/servlet/OdkFormServlet.java b/org.argeo.support.odk/src/org/argeo/support/odk/servlet/OdkFormServlet.java
new file mode 100644
index 0000000..cab562c
--- /dev/null
+++ b/org.argeo.support.odk/src/org/argeo/support/odk/servlet/OdkFormServlet.java
@@ -0,0 +1,83 @@
+package org.argeo.support.odk.servlet;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.io.FilenameUtils;
+import org.argeo.cms.servlet.ServletAuthUtils;
+import org.argeo.jcr.Jcr;
+import org.argeo.support.odk.OdkForm;
+import org.argeo.support.odk.OdkNames;
+
+/** Retrieves a single form. */
+public class OdkFormServlet extends HttpServlet {
+	private static final long serialVersionUID = 7838305967987687370L;
+
+	private Repository repository;
+	private Map<String, OdkForm> odkForms = Collections.synchronizedMap(new HashMap<>());
+
+	@Override
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+		resp.setContentType("text/xml; charset=utf-8");
+
+		Session session = ServletAuthUtils.doAs(() -> Jcr.login(repository, null), req);
+
+		String pathInfo = req.getPathInfo();
+		if (pathInfo.startsWith("//"))
+			pathInfo = pathInfo.substring(1);
+
+		boolean oldApproach = false;
+		try {
+			if (!oldApproach) {
+				String path = URLDecoder.decode(pathInfo, StandardCharsets.UTF_8);
+				session.exportDocumentView(path + "/" + OdkNames.H_HTML, resp.getOutputStream(), true, false);
+			} else {
+
+				String fileName = FilenameUtils.getName(pathInfo);
+				OdkForm form = odkForms.get(fileName);
+				if (form == null)
+					throw new IllegalArgumentException("No form named " + fileName + " was found");
+
+				byte[] buffer = new byte[1024];
+				try (InputStream in = form.openStream(); OutputStream out = resp.getOutputStream();) {
+					int bytesRead;
+					while ((bytesRead = in.read(buffer)) != -1)
+						out.write(buffer, 0, bytesRead);
+				}
+			}
+		} catch (RepositoryException e) {
+			e.printStackTrace();
+			// TODO error message
+			resp.sendError(500);
+		} finally {
+			Jcr.logout(session);
+		}
+	}
+
+	public void addForm(OdkForm odkForm) {
+		odkForms.put(odkForm.getFileName(), odkForm);
+	}
+
+	public void removeForm(OdkForm odkForm) {
+		odkForms.remove(odkForm.getFileName());
+	}
+
+	public void setRepository(Repository repository) {
+		this.repository = repository;
+	}
+
+}