implemented user photos! (imagestore table, ImageRetrieve servlet, a lot of

the underlying support) - incidentally, this is a lot of support for the SIG
logo as well, just need some front end work for that in the future

(of course, we now require JAI 1.1.1)

src/com/silverwrist/venice/servlets/ImageRetrieve.java

@@ -0,0 +1,98 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets;
+
+import java.io.*;
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import org.apache.log4j.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.servlets.format.*;
+
+public class ImageRetrieve extends VeniceServlet
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  private static Category logger = Category.getInstance(ImageRetrieve.class);
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class HttpServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getServletInfo()
+  {
+    String rc = "ImageRetrieve servlet - Displays images from the database image store\n"
+              + "Part of the Venice Web Communities System\n";
+    return rc;
+
+  } // end getServletInfo
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class VeniceServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
+				      UserContext user, RenderData rdat)
+    throws ServletException, IOException, VeniceServletResult
+  {
+    int imgid;   // image ID to retrieve.
+
+    try
+    { // parse the image ID
+      imgid = Integer.parseInt(request.getPathInfo().substring(1));
+
+    } // end try
+    catch (NumberFormatException nfe)
+    { // invalid image URL
+      return new ErrorBox(null,"Invalid image URL.",null);
+
+    } // end catch
+
+    // the parameters of the response
+    String type, filename;
+    int length;
+    InputStream data;
+
+    try
+    { // load the image from the database
+      BinaryData image = engine.loadImage(imgid);
+
+      type = image.getMIMEType();
+      filename = image.getFilename();
+      length = image.getLength();
+      data = image.getData();
+
+    } // end try
+    catch (DataException de)
+    { // unable to get the user name
+      return new ErrorBox("Database Error","Database error retrieving image: " + de.getMessage(),null);
+
+    } // end catch
+
+    // now we want to send that data back to the user!
+    throw new SendFileResult(type,filename,length,data);
+
+  } // end doVeniceGet
+
+} // end class ImageRetrieve

src/com/silverwrist/venice/servlets/UserDisplay.java

@@ -62,7 +62,7 @@ public class UserDisplay extends VeniceServlet
       UserProfile prof = user.getProfile(uname);
       changeMenuTop(request);
       setMyLocation(request,"user" + request.getPathInfo());
-      return new UserProfileData(prof);
+      return new UserProfileData(engine,prof);
 
     } // end try
     catch (DataException de)
@@ -134,7 +134,7 @@ public class UserDisplay extends VeniceServlet
       logger.debug("redisplaying profile window");
     changeMenuTop(request);
     setMyLocation(request,"user" + request.getPathInfo());
-    return new UserProfileData(prof);
+    return new UserProfileData(engine,prof);
 
   } // end doVenicePost
 

src/com/silverwrist/venice/servlets/UserPhoto.java

@@ -0,0 +1,173 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets;
+
+import java.io.*;
+import java.net.URLEncoder;
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import org.apache.log4j.*;
+import com.silverwrist.util.StringUtil;
+import com.silverwrist.util.ServletMultipartHandler;
+import com.silverwrist.util.ServletMultipartException;
+import com.silverwrist.util.image.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.servlets.format.*;
+
+public class UserPhoto extends VeniceServlet
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  private static Category logger = Category.getInstance(UserPhoto.class);
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class HttpServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getServletInfo()
+  {
+    String rc = "UserPhoto servlet - changes the user photo for a user\n"
+              + "Part of the Venice Web Communities System\n";
+    return rc;
+
+  } // end getServletInfo
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class VeniceServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
+				      UserContext user, RenderData rdat)
+    throws ServletException, IOException, VeniceServletResult
+  {
+    String tgt = request.getParameter("tgt");  // target location
+    if (tgt==null)
+      tgt = "top";  // go back to the Top screen if nothing else
+
+    try
+    { // create the display
+      return new UserPhotoData(engine,user,rdat,tgt);
+
+    } // end try
+    catch (DataException de)
+    { // error getting at the data stream from the attachment
+      return new ErrorBox("Database Error","Database error generating display: " + de.getMessage(),null);
+
+    } // end catch
+
+  } // end doVeniceGet
+
+  protected VeniceContent doVenicePost(HttpServletRequest request, ServletMultipartHandler mphandler,
+				       VeniceEngine engine, UserContext user, RenderData rdat)
+    throws ServletException, IOException, VeniceServletResult
+  {
+    // Get target URL for the operation
+    if (mphandler.isFileParam("tgt"))
+    { // bogus target URL
+      logger.error("Internal Error: 'tgt' should be a normal param");
+      return new ErrorBox(null,"Internal Error: 'tgt' should be a normal param","top");
+
+    } // end if
+
+    String tgt = mphandler.getValue("tgt");
+    if (tgt==null)
+      tgt = "top";  // go back to the Top screen if nothing else
+
+    if (isImageButtonClicked(mphandler,"cancel"))
+      throw new RedirectResult("account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+
+    if (isImageButtonClicked(mphandler,"upload"))
+    { // uploading the image here!
+      // also check on file parameter status
+      if (!(mphandler.isFileParam("thepic")))
+      { // bogus file parameter
+	logger.error("Internal Error: 'thepic' should be a file param");
+	return new ErrorBox(null,"Internal Error: 'thepic' should be a file param",
+			    "account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+
+      } // end if
+
+      if (!(mphandler.getContentType("thepic").startsWith("image/")))
+      { // must be an image type we uploaded!
+	logger.error("Error: 'thepic' not an image type");
+	return new ErrorBox(null,"You did not upload an image file.  Try again.",
+			    "userphoto?tgt=" + URLEncoder.encode(tgt));
+
+      } // end if
+
+      try
+      { // get the real picture (normalized to 100x100 size)
+	ImageLengthPair real_pic = ImageNormalizer.normalizeImage(mphandler.getFileContentStream("thepic"),
+								  engine.getUserPhotoSize(),"jpeg");
+
+	// set the user photo data!
+	ContactInfo ci = user.getContactInfo();
+	ci.setPhotoData(request.getContextPath() + "/imagedata/","image/jpeg",real_pic.getLength(),
+			real_pic.getData());
+	user.putContactInfo(ci);
+
+	// Jump back to the profile form.
+	throw new RedirectResult("account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+								  
+      } // end try
+      catch (ServletMultipartException smpe)
+      { // the servlet multipart parser screwed up
+	logger.error("Servlet multipart error:",smpe);
+	return new ErrorBox(null,"Internal Error: " + smpe.getMessage(),
+			    "account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+
+      } // end catch
+      catch (ImageNormalizerException ine)
+      { // the image was not valid
+	logger.error("Image normalizer error:",ine);
+	return new ErrorBox(null,ine.getMessage(),"userphoto?tgt=" + URLEncoder.encode(tgt));
+
+      } // end catch
+      catch (DataException de)
+      { // error in the database!
+	logger.error("DataException:",de);
+	return new ErrorBox("Database Error","Database error storing user photo: " + de.getMessage(),
+			    "account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+
+      } // end catch
+      catch (EmailException ee)
+      { // email exception (WTF?)
+	logger.error("Email exception (shouldn't happen):",ee);
+	return new ErrorBox(null,"Internal Error: " + ee.getMessage(),
+			    "account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+
+      } // end catch
+
+    } // end if
+    else
+    { // the button must be wrong!
+      logger.error("no known button click on UserPhoto.doPost");
+      return new ErrorBox("Internal Error","Unknown command button pressed",
+			  "account?cmd=P&tgt=" + URLEncoder.encode(tgt));
+
+    } // end else
+
+  } // end doVenicePost
+
+} // end class UserPhoto

src/com/silverwrist/venice/servlets/VeniceServlet.java

@@ -292,6 +292,13 @@ public abstract class VeniceServlet extends HttpServlet
 
   } // end isImageButtonClicked
 
+  protected static final boolean isImageButtonClicked(ServletMultipartHandler mphandler, String name)
+  {
+    String val = mphandler.getValue(name + ".x");
+    return (val!=null);
+
+  } // end isImageButtonClicked
+
   protected final void putUserContext(HttpServletRequest request, UserContext ctxt)
   {
     Variables.putUserContext(request.getSession(true),ctxt);

src/com/silverwrist/venice/servlets/format/EditProfileDialog.java

@@ -17,6 +17,8 @@
  */
 package com.silverwrist.venice.servlets.format;
 
+import java.io.*;
+import java.net.URLEncoder;
 import java.util.*;
 import com.silverwrist.util.LocaleFactory;
 import com.silverwrist.util.StringUtil;
@@ -25,6 +27,66 @@ import com.silverwrist.venice.core.*;
 
 public class EditProfileDialog extends ContentDialog
 {
+  /*--------------------------------------------------------------------------------
+   * The photo URL control class.
+   *--------------------------------------------------------------------------------
+   */
+
+  static class CDUserPhotoControl extends CDBaseFormField
+  {
+    private String linkURL;
+
+    public CDUserPhotoControl(String name, String caption, String linkURL)
+    {
+      super(name,caption,"(click to change)",false);
+      
+    } // end constructor
+
+    protected CDUserPhotoControl(CDUserPhotoControl other)
+    {
+      super(other);
+      this.linkURL = other.linkURL;
+
+    } // end constructor
+
+    protected void renderActualField(Writer out, RenderData rdat) throws IOException
+    {
+      if (isEnabled())
+	out.write("<A HREF=\"" + rdat.getEncodedServletPath(linkURL) + "\">");
+      String photo = getValue();
+      if (StringUtil.isStringEmpty(photo))
+	photo = rdat.getFullImagePath("photo_not_avail.gif");
+      out.write("<IMG SRC=\"" + photo + "\" ALT=\"\" BORDER=0 WIDTH=100 HEIGHT=100></A>");
+      if (isEnabled())
+	out.write("</A>");
+
+    } // end renderActualField
+
+    protected void validateContents(String value) throws ValidationException
+    { // this is a do-nothing value
+    } // end validateContents
+
+    public CDFormField duplicate()
+    {
+      return new CDUserPhotoControl(this);
+
+    } // end clone
+
+    public void setLinkURL(String s)
+    {
+      linkURL = s;
+
+    } // end setLinkURL
+
+  } // end class CDUserPhotoControl
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private CDUserPhotoControl photo_control;
+
   /*--------------------------------------------------------------------------------
    * Constructors
    *--------------------------------------------------------------------------------
@@ -67,7 +129,8 @@ public class EditProfileDialog extends ContentDialog
     addFormField(new CDTextFormField("url","Home page","(URL)",false,32,255));
     addFormField(new CDFormCategoryHeader("Personal"));
     addFormField(new CDTextFormField("descr","Personal description",null,false,32,255));
-    // TODO: add photo selection/uploading method here
+    photo_control = new CDUserPhotoControl("photo","User Photo","userphoto");
+    addFormField(photo_control);
     addFormField(new CDFormCategoryHeader("User Preferences"));
     addFormField(new CDLocaleListFormField("locale","Default locale","(for formatting dates/times)",true));
     addFormField(new CDTimeZoneListFormField("tz","Default time zone",null,true));
@@ -79,6 +142,7 @@ public class EditProfileDialog extends ContentDialog
   protected EditProfileDialog(EditProfileDialog other)
   {
     super(other);
+    photo_control = (CDUserPhotoControl)modifyField("photo");
 
   } // end constructor
 
@@ -162,6 +226,8 @@ public class EditProfileDialog extends ContentDialog
       setFieldValue("pvt_email","Y");
     setFieldValue("url",ci.getURL());
     setFieldValue("descr",uc.getDescription());
+    setFieldValue("photo",ci.getPhotoURL());
+    photo_control.setLinkURL("userphoto?tgt=" + URLEncoder.encode(target));
     setFieldValue("locale",uc.getLocale().toString());
     setFieldValue("tz",uc.getTimeZone().getID());
 

src/com/silverwrist/venice/servlets/format/UserPhotoData.java

@@ -0,0 +1,126 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets.format;
+
+import java.awt.Dimension;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.silverwrist.util.StringUtil;
+import com.silverwrist.venice.core.*;
+
+public class UserPhotoData implements JSPRender
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.UserPhotoData";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private Dimension photo_dims;
+  private String photo_url;
+  private String target;
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public UserPhotoData(VeniceEngine engine, UserContext user, RenderData rdat, String target)
+      throws DataException
+  {
+    photo_dims = engine.getUserPhotoSize();
+    photo_url = user.getContactInfo().getPhotoURL();
+    if (StringUtil.isStringEmpty(photo_url))
+      photo_url = rdat.getFullImagePath("photo_not_avail.gif");
+    this.target = target;
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static UserPhotoData retrieve(ServletRequest request)
+  {
+    return (UserPhotoData)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Set User Photo";
+
+  } // end getPageTitle
+
+  public String getPageQID()
+  {
+    return null;
+
+  } // end getPageQID
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "user_photo.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getTarget()
+  {
+    return target;
+
+  } // end getTarget
+
+  public String getPhotoTag(RenderData rdat)
+  {
+    StringBuffer buf = new StringBuffer("<IMG SRC=\"");
+    buf.append(photo_url).append("\" ALT=\"\" ALIGN=LEFT WIDTH=").append(photo_dims.width).append(" HEIGHT=");
+    buf.append(photo_dims.height).append(" HSPACE=6 VSPACE=0 BORDER=0>");
+    return buf.toString();
+
+  } // end getPhotoTag
+
+} // end class UserPhotoData

src/com/silverwrist/venice/servlets/format/UserProfileData.java

@@ -17,8 +17,10 @@
  */
 package com.silverwrist.venice.servlets.format;
 
+import java.awt.Dimension;
 import javax.servlet.ServletRequest;
 import com.silverwrist.util.StringUtil;
+import com.silverwrist.venice.core.VeniceEngine;
 import com.silverwrist.venice.core.UserProfile;
 
 public class UserProfileData implements JSPRender
@@ -36,6 +38,7 @@ public class UserProfileData implements JSPRender
    *--------------------------------------------------------------------------------
    */
 
+  private VeniceEngine engine;
   private UserProfile prof;
 
   /*--------------------------------------------------------------------------------
@@ -43,8 +46,9 @@ public class UserProfileData implements JSPRender
    *--------------------------------------------------------------------------------
    */
 
-  public UserProfileData(UserProfile prof)
+  public UserProfileData(VeniceEngine engine, UserProfile prof)
   {
+    this.engine = engine;
     this.prof = prof;
 
   } // end constructor
@@ -143,13 +147,17 @@ public class UserProfileData implements JSPRender
 
   } // end getFullName
 
-  public String getPhotoURL(RenderData rdat)
+  public String getPhotoTag(RenderData rdat)
   {
+    Dimension dim = engine.getUserPhotoSize();
+    StringBuffer buf = new StringBuffer("<IMG SRC=\"");
     String tmp = prof.getPhotoURL();
     if (StringUtil.isStringEmpty(tmp))
       tmp = rdat.getFullImagePath("photo_not_avail.gif");
-    return tmp;
+    buf.append(tmp).append("\" ALT=\"\" ALIGN=LEFT WIDTH=").append(dim.width).append(" HEIGHT=");
+    buf.append(dim.height).append(" BORDER=0>");
+    return buf.toString();
 
-  } // end getPhotoURL
+  } // end getPhotoTag
 
 } // end class UserProfileData