changeset 357:496d61b1fb5a

implement Http.request.parts
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 14 Apr 2015 11:21:10 -0600
parents 5e34702423a0
children 6fc33c20441b
files web/src/luan/modules/web/HttpServicer.java
diffstat 1 files changed, 66 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
diff -r 5e34702423a0 -r 496d61b1fb5a web/src/luan/modules/web/HttpServicer.java
--- a/web/src/luan/modules/web/HttpServicer.java	Tue Apr 14 09:44:07 2015 -0600
+++ b/web/src/luan/modules/web/HttpServicer.java	Tue Apr 14 11:21:10 2015 -0600
@@ -1,18 +1,25 @@
 package luan.modules.web;
 
+import java.io.InputStream;
+import java.io.BufferedInputStream;
 import java.io.PrintWriter;
 import java.io.IOException;
 import java.util.Map;
 import java.util.AbstractMap;
 import java.util.Set;
+import java.util.List;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Iterator;
 import java.util.Enumeration;
 import javax.servlet.ServletOutputStream;
+import javax.servlet.ServletException;
 import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+import javax.servlet.http.Part;
+import org.eclipse.jetty.util.MultiPartInputStream;
 import luan.Luan;
 import luan.LuanState;
 import luan.LuanFunction;
@@ -27,6 +34,7 @@
 import luan.modules.PackageLuan;
 import luan.modules.IoLuan;
 import luan.modules.TableLuan;
+import luan.modules.Utils;
 
 
 public final class HttpServicer {
@@ -103,6 +111,8 @@
 	private final HttpServletResponse response;
 //	private PrintWriter writer = null;
 //	private ServletOutputStream sos = null;
+	private MultiPartInputStream mpis = null;
+	private LuanTable parts = null;
 
 	private HttpServicer(HttpServletRequest request,HttpServletResponse response) {
 		this.request = request;
@@ -200,6 +210,62 @@
 			}
 		};
 		tbl.put( "cookies", cookies );
+
+		tbl.put( "parts", new LuanProperty() { public Object get() {
+			if( parts == null ) {
+				String contentType = request.getContentType();
+				if( contentType!=null && contentType.startsWith("multipart/form-data") ) {
+					try {
+						InputStream in = new BufferedInputStream(request.getInputStream());
+						final MultiPartInputStream mpis = new MultiPartInputStream(in,contentType,null,null);
+						parts = new NameTable() {
+				
+							@Override Object get(String name) {
+								try {
+									MultiPartInputStream.MultiPart part = (MultiPartInputStream.MultiPart)mpis.getPart(name);
+									if( part==null )
+										return null;
+									LuanTable tbl = Luan.newTable();
+									tbl.put("filename",part.getContentDispositionFilename());
+									tbl.put("content_type",part.getContentType());
+									InputStream in = part.getInputStream();
+									byte[] content = Utils.readAll(in);
+									in.close();
+									tbl.put("content",content);
+									return tbl;
+								} catch(IOException e) {
+									throw new RuntimeException(e);
+								} catch(ServletException e) {
+									throw new RuntimeException(e);
+								}
+							}
+				
+							@Override Iterator<String> names() {
+								try {
+									List<String> names = new ArrayList<String>();
+									for( Part part : mpis.getParts() ) {
+										names.add(part.getName());
+									}
+									return names.iterator();
+								} catch(IOException e) {
+									throw new RuntimeException(e);
+								} catch(ServletException e) {
+									throw new RuntimeException(e);
+								}
+							}
+				
+							@Override protected String type() {
+								return "request.parts-table";
+							}
+						};
+					} catch(IOException e) {
+						throw new RuntimeException(e);
+					}
+				}
+			}
+			return parts;
+		} } );
+
 		return tbl;
 	}