Add address line 2 support to generator

git-svn-id: https://zxing.googlecode.com/svn/trunk@920 59b500cc-1b3d-0410-9834-0bbf25fbcc57

zxing.appspot.com/generator/src/com/google/zxing/web/generator/client/ContactInfoGenerator.java

@@ -21,6 +21,8 @@ import com.google.gwt.user.client.ui.Grid;
 import com.google.gwt.user.client.ui.TextBox;
 import com.google.gwt.user.client.ui.Widget;
 
+import java.net.URI;
+
 /**
  * A Generator for contact informations, output is in MeCard format.
  * 
@@ -34,8 +36,9 @@ public class ContactInfoGenerator implements GeneratorSource {
   TextBox url = new TextBox();
   TextBox email = new TextBox();
   TextBox address = new TextBox();
+  TextBox address2 = new TextBox();
   TextBox memo = new TextBox();
-  TextBox[] widgets = {name, company, tel, url, email, address, memo};
+  TextBox[] widgets = {name, company, tel, url, email, address, address2, memo};
   
   public ContactInfoGenerator(ChangeListener changeListener) {
     for (TextBox w: widgets) {
@@ -54,26 +57,47 @@ public class ContactInfoGenerator implements GeneratorSource {
     String url = getUrlField();
     String email = getEmailField();
     String address = getAddressField();
+    String address2 = getAddress2Field();
     String memo = getMemoField();
     
     // Build the output with obtained data.
     // note that some informations may just be "" if they were not specified.
     //return getVCard(name, company, tel, url, email, address, memo);
-    return getMeCard(name, company, tel, url, email, address, memo);
+    return getMeCard(name, company, tel, url, email, address, address2, memo);
   }
 
   private String getMeCard(String name, String company, String tel, String url,
-      String email, String address, String memo) {
+      String email, String address, String address2, String memo) {
-    String output = "MECARD:";
+    StringBuilder output = new StringBuilder();
-    output += "N:" + name + ";";
+    output.append("MECARD:");
-    output += company.length() > 0 ? "ORG:" + company + ";" : "";
+    output.append("N:").append(name).append(';');
-    output += tel.length() > 0 ? "TEL:" + tel + ";" : "";
+    maybeAppend(output, "ORG:", company);
-    output += url.length() > 0 ? "URL:" + url + ";" : "";
+    maybeAppend(output, "TEL:", tel);
-    output += email.length() > 0 ? "EMAIL:" + email + ";" : "";
+    maybeAppend(output, "URL:", url);
-    output += address.length() > 0 ? "ADR:" + address + ";" : "";
+    maybeAppend(output, "EMAIL:", email);
-    output += memo.length() > 0 ? "NOTE:" + memo + ";" : "";
+    maybeAppend(output, "ADR:", address);
-    output += ";";    
+    if (address.length() > 0 || address2.length() > 0) {
-    return output;    
+      output.append("ADR:");
+      if (address.length() > 0) {
+        output.append(address);
+      }
+      if (address2.length() > 0) {
+        if (address.length() > 0) {
+          output.append(' ');
+        }
+        output.append(address2);
+      }
+      output.append(';');
+    }
+    maybeAppend(output, "NOTE:", memo);
+    output.append(';');
+    return output.toString();
+  }
+
+  private static void maybeAppend(StringBuilder output, String prefix, String value) {
+    if (value.length() > 0) {
+      output.append(prefix).append(value).append(';');
+    }
   }
   
   /*// VCARD GENERATION. Keep this in case we want to go back to vcard format
@@ -94,35 +118,28 @@ public class ContactInfoGenerator implements GeneratorSource {
   }
   */
 
-  private String getNameField() throws GeneratorException {
+  private static String parseTextField(TextBox textBox) throws GeneratorException {
-    String inputName = name.getText();
+    String input = textBox.getText();
-    if (inputName.length() < 1) {
-      throw new GeneratorException("Name must be at least 1 character.");
-    }
-    if (inputName.contains("\n")) {
-      throw new GeneratorException("Name should not contanains \\n characters.");
-    }
-    if (inputName.contains(";")) {
-      throw new GeneratorException("Name must not contains ; characters");
-    }
-    return inputName;
-  }
-  
-  private String getCompanyField() throws GeneratorException {
-    String input = company.getText();
     if (input.length() < 1) {
       return "";
     }
     if (input.contains("\n")) {
-      throw new GeneratorException("Company should not contanains \\n characters.");
+      throw new GeneratorException("Field must not contain \\n characters.");
     }
     if (input.contains(";")) {
-      throw new GeneratorException("Company must not contains ; characters");
+      throw new GeneratorException("Field must not contains ; characters");
     }
-    // the input contains some informations. 
     return input;
   }
   
+  private String getNameField() throws GeneratorException {
+    return parseTextField(name);
+  }
+  
+  private String getCompanyField() throws GeneratorException {
+    return parseTextField(company);
+  }
+
   private String getTelField() throws GeneratorException {
     String input = Validators.filterNumber(tel.getText());
     if (input.length() < 1) {
@@ -137,13 +154,7 @@ public class ContactInfoGenerator implements GeneratorSource {
   
   private String getUrlField() throws GeneratorException {
     String input = url.getText();
-    if (input.length() < 1) {
-      return "";
-    }
     Validators.validateUrl(input);
-    if (input.contains(";")) {
-      throw new GeneratorException("URL must not contains ; characters");
-    }
     return input;
   }
   
@@ -160,31 +171,15 @@ public class ContactInfoGenerator implements GeneratorSource {
   }
   
   private String getAddressField() throws GeneratorException {
-    String input = address.getText();
+    return parseTextField(address);
-    if (input.length() < 1) {
+  }
-      return "";
+
-    }
+  private String getAddress2Field() throws GeneratorException {
-    if (input.contains("\n")) {
+    return parseTextField(address2);
-      throw new GeneratorException("Address must not contain \\n characters.");
-    }
-    if (input.contains(";")) {
-      throw new GeneratorException("Address must not contains ; characters");
-    }
-    return input;
   }
   
   private String getMemoField() throws GeneratorException {
-    String input = memo.getText();
+    return parseTextField(memo);
-    if (input.length() < 1) {
-      return "";
-    }
-    if (input.contains("\n")) {
-      throw new GeneratorException("Memo must not contain \\n characters.");
-    }
-    if (input.contains(";")) {
-      throw new GeneratorException("Memo must not contains ; characters");
-    }
-    return input;
   }
   
   public Grid getWidget() {
@@ -192,7 +187,7 @@ public class ContactInfoGenerator implements GeneratorSource {
       // early termination if the table has already been constructed
       return table;
     }
-    table = new Grid(7, 2);
+    table = new Grid(8, 2);
     
     table.setText(0, 0, "Name");
     table.setWidget(0, 1, name);
@@ -204,10 +199,12 @@ public class ContactInfoGenerator implements GeneratorSource {
     table.setWidget(3, 1, email);
     table.setText(4, 0, "Address");
     table.setWidget(4, 1, address);
-    table.setText(5, 0, "Website");
+    table.setText(5, 0, "Address 2");
-    table.setWidget(5, 1, url);
+    table.setWidget(5, 1, address2);
-    table.setText(6, 0, "Memo");
+    table.setText(6, 0, "Website");
-    table.setWidget(6, 1, memo);
+    table.setWidget(6, 1, url);
+    table.setText(7, 0, "Memo");
+    table.setWidget(7, 1, memo);
     
     name.addStyleName(StylesDefs.INPUT_FIELD_REQUIRED);
     return table;
@@ -219,6 +216,7 @@ public class ContactInfoGenerator implements GeneratorSource {
     if (widget == tel) getTelField();
     if (widget == email) getEmailField();
     if (widget == address) getAddressField();
+    if (widget == address2) getAddress2Field();
     if (widget == url) getUrlField();
     if (widget == memo) getMemoField();
   }

zxing.appspot.com/generator/src/com/google/zxing/web/generator/client/Generator.java

@@ -176,13 +176,12 @@ public class Generator implements EntryPoint {
   }
 
   protected String getUrl(int sizeX, int sizeY, String content) {
-    String result = "http://chart.apis.google.com/chart?cht=qr&chs=";
+    StringBuilder result = new StringBuilder();
-    result += sizeX;
+    result.append("http://chart.apis.google.com/chart?cht=qr&chs=");
-    result += "x";
+    result.append(sizeX).append('x').append(sizeY);
-    result += sizeY;
+    result.append("&chl=");
-    result += "&chl=";
+    result.append(URL.encodeComponent(content));
-    result += URL.encodeComponent(content);
+    return result.toString();
-    return result;
   }
   
   private void generate() {

zxing.appspot.com/generator/src/com/google/zxing/web/generator/client/GeneratorSource.java

@@ -28,25 +28,25 @@ public interface GeneratorSource {
   /**
    * @return a GWT Grid object, containing the GUI.
    */
-  public Grid getWidget();
+  Grid getWidget();
   /**
    * @return the name of the generator to be used in the GUI.
    */
-  public String getName();
+  String getName();
   /**
    * @return the text to be encoded into the QR code.
    * @throws GeneratorException if the input data contains errors.
    */
-  public String getText() throws GeneratorException;
+  String getText() throws GeneratorException;
   /**
    * @param widget the widget that was last modified, and that we want to
    *        validate the content.
    * @throws GeneratorException if the widget contains errors.
    */
-  public void validate(Widget widget) throws GeneratorException;
+  void validate(Widget widget) throws GeneratorException;
   /**
    * Called when the generator is selected in the list. Using this method,
    * the generator should set the focus to the first widget it defines.
    */
-  public void setFocus();
+  void setFocus();
 }

zxing.appspot.com/generator/src/com/google/zxing/web/generator/client/GeoLocationGenerator.java

@@ -204,17 +204,19 @@ public class GeoLocationGenerator implements GeneratorSource, ChangeListener {
     }
     String q = "";
     if (link.matches(".*&q=[^&]*&.*")) {
+      StringBuilder qBuilder = new StringBuilder();
       for (int i = link.indexOf("&q=") + 3;
           i < link.length() && link.charAt(i) != '&'; ++i) {
-        q += link.charAt(i);
+        qBuilder.append(link.charAt(i));
       }
+      q = qBuilder.toString();
       // special cases:
       q = q.replace("+", " ");
       q = q.replace("%26", "&");
     }
     
-    String lat = "";
+    StringBuilder lat = new StringBuilder();
-    String lon = "";
+    StringBuilder lon = new StringBuilder();
     if (link.matches(".*&s?ll=[^&]*&.*")) {
       int start;
       if (link.indexOf("&sll=") == -1) {
@@ -224,21 +226,22 @@ public class GeoLocationGenerator implements GeneratorSource, ChangeListener {
       }
       boolean beforeComma = true;
       for (int i = start; i < link.length() && link.charAt(i) != '&'; ++i) {
+        char c = link.charAt(i);
         if (beforeComma) {
-          if (link.charAt(i) == ',') {
+          if (c == ',') {
             beforeComma = false;
           } else {
-            lat += link.charAt(i); 
+            lat.append(c);
           }
         } else {
-          lon += link.charAt(i);
+          lon.append(c);
         }
       }
     }
     
     query.setText(URL.decode(q));
-    latitude.setText(lat);
+    latitude.setText(lat.toString());
-    longitude.setText(lon);
+    longitude.setText(lon.toString());
     changeListener.onChange(latitude);
     changeListener.onChange(longitude);
     this.onChange(latitude);

zxing.appspot.com/generator/src/com/google/zxing/web/generator/client/StringConstants.java

@@ -20,6 +20,6 @@ import com.google.gwt.i18n.client.Messages;
 
 // Not used yet. A first atempt to localization.
 public interface StringConstants extends Messages {
-  public String codeType();
+  String codeType();
-  public String generateButton();
+  String generateButton();
 }

zxing.appspot.com/generator/src/com/google/zxing/web/generator/client/Validators.java

@@ -16,6 +16,9 @@
 
 package com.google.zxing.web.generator.client;
 
+import java.net.URL;
+import java.net.MalformedURLException;
+
 /**
  * Helpers methods to check for phone numbers, email addresses, and URL. Other
  * general purpose check methods should go here as well.
@@ -34,11 +37,10 @@ public final class Validators {
   }
   
   public static void validateUrl(String url) throws GeneratorException {
-    //FIXME: url specification is a bit more complex than just that.
+    try {
-    if (!((url.startsWith("http://") && url.length() > 7)
+      new URL(url);
-        || (url.startsWith("https://") && url.length() > 8))) {
+    } catch (MalformedURLException mue) {
-      throw new GeneratorException("URL: http:// or https://," +
+      throw new GeneratorException("URL is not valid.");
-            "plus at least 1 character.");
     }
   }