| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.vysper.console; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.jivesoftware.smackx.xdata.FormField; |
| import org.jivesoftware.smackx.xdata.packet.DataForm; |
| |
| /** |
| * Builds an HTML form from a {@link DataForm} |
| * |
| * @author The Apache MINA Project (dev@mina.apache.org) |
| */ |
| public class HtmlFormBuilder { |
| |
| /** |
| * Builds an HTML form from a {@link DataForm} |
| * @param form |
| * @return |
| */ |
| public String build(DataForm form) { |
| if (form == null) |
| return ""; |
| |
| StringBuilder sb = new StringBuilder(); |
| List<String> instructions = form.getInstructions(); |
| for (String instruction: instructions) { |
| sb.append("<p class='instruction'>" + instruction + "</p>"); |
| } |
| |
| Iterator<FormField> fields = form.getFields().iterator(); |
| while (fields.hasNext()) { |
| FormField field = fields.next(); |
| FormField.Type type = field.getType(); |
| sb.append("<p>"); |
| if (type == FormField.Type.hidden) { |
| sb.append(hiddenFieldToHtml(field)); |
| } else if (type == FormField.Type.fixed) { |
| sb.append(fixedFieldToHtml(field)); |
| } else if (type == FormField.Type.jid_single) { |
| sb.append(jidSingleFieldToHtml(field)); |
| } else if (type == FormField.Type.text_single || type == null) { |
| sb.append(textSingleFieldToHtml(field)); |
| } else if (type == FormField.Type.text_private) { |
| sb.append(textPrivateFieldToHtml(field)); |
| } else if (type == FormField.Type.text_multi) { |
| sb.append(textMultiFieldToHtml(field)); |
| } else if (type == FormField.Type.list_single) { |
| sb.append(listSingleFieldToHtml(field)); |
| } else if (type == FormField.Type.list_multi) { |
| sb.append(listMultiFieldToHtml(field)); |
| } else if (type == FormField.Type.jid_multi) { |
| // for now, do jid-multi as a textarea |
| sb.append(textMultiFieldToHtml(field)); |
| } else if (type == FormField.Type.bool) { |
| sb.append(booleanFieldToHtml(field)); |
| } else { |
| throw new RuntimeException("Unknown field type: " + type); |
| } |
| sb.append(descToHtml(field)); |
| sb.append("</p>"); |
| } |
| |
| return sb.toString(); |
| } |
| |
| private String labelToHtml(FormField field) { |
| StringBuilder sb = new StringBuilder(); |
| if (field.getLabel() != null) { |
| sb.append("<label for='"); |
| sb.append(varToId(field.getVariable())); |
| sb.append("'>"); |
| sb.append(field.getLabel()); |
| sb.append("</label>"); |
| } |
| return sb.toString(); |
| } |
| |
| private String descToHtml(FormField field) { |
| StringBuilder sb = new StringBuilder(); |
| if (field.getDescription() != null) { |
| sb.append("<img src='resources/info.png' title='"); |
| sb.append(field.getDescription()); |
| sb.append("' />"); |
| } |
| return sb.toString(); |
| } |
| |
| private String fixedFieldToHtml(FormField field) { |
| StringBuilder sb = new StringBuilder(); |
| if (field.getLabel() != null) |
| sb.append(field.getLabel()); |
| sb.append(" <span>" + field.getValues().get(0) + "</span>"); |
| return sb.toString(); |
| } |
| |
| private String hiddenFieldToHtml(FormField field) { |
| return singleValueFieldToHtml(field, "hidden", null); |
| } |
| |
| private String jidSingleFieldToHtml(FormField field) { |
| return singleValueFieldToHtml(field, "email", "example@vysper.org"); |
| } |
| |
| private String textSingleFieldToHtml(FormField field) { |
| return singleValueFieldToHtml(field, null, null); |
| } |
| |
| private String textPrivateFieldToHtml(FormField field) { |
| return singleValueFieldToHtml(field, "password", null); |
| } |
| |
| private String textMultiFieldToHtml(FormField field) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(labelToHtml(field)); |
| sb.append("<textarea id='"); |
| sb.append(varToId(field.getVariable())); |
| sb.append("' name='"); |
| sb.append(field.getVariable()); |
| sb.append("'>"); |
| |
| boolean first = true; |
| Iterator<CharSequence> values = field.getValues().iterator(); |
| while(values.hasNext()) { |
| if(!first) sb.append("\r\n"); |
| sb.append(values.next()); |
| first = false; |
| } |
| |
| sb.append("</textarea>"); |
| return sb.toString(); |
| } |
| |
| private String listSingleFieldToHtml(FormField field) { |
| Iterator<CharSequence> fieldValues = field.getValues().iterator(); |
| List<CharSequence> values = new ArrayList<>(); |
| if(fieldValues.hasNext()) values.add(fieldValues.next()); |
| |
| return listFieldToHtml(field, values, false); |
| } |
| |
| private String listMultiFieldToHtml(FormField field) { |
| Iterator<CharSequence> fieldValues = field.getValues().iterator(); |
| List<CharSequence> values = new ArrayList<>(); |
| while(fieldValues.hasNext()) { |
| values.add(fieldValues.next()); |
| } |
| |
| return listFieldToHtml(field, values, true); |
| } |
| |
| private String listFieldToHtml(FormField field, List<CharSequence> values, boolean multiple) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(labelToHtml(field)); |
| sb.append("<select id='"); |
| sb.append(varToId(field.getVariable())); |
| sb.append("' name='"); |
| sb.append(field.getVariable()); |
| sb.append("'"); |
| if(multiple) { |
| sb.append(" multiple"); |
| } |
| sb.append(">"); |
| |
| Iterator<FormField.Option> options = field.getOptions().iterator(); |
| |
| while(options.hasNext()) { |
| FormField.Option option = options.next(); |
| sb.append("<option value='"); |
| sb.append(option.getValue()); |
| sb.append("'"); |
| |
| if(values.contains(option.getValue())) { |
| sb.append(" selected"); |
| } |
| sb.append(">"); |
| if(option.getLabel() != null) { |
| sb.append(option.getLabel()); |
| } else { |
| sb.append(option.getValue()); |
| } |
| |
| sb.append("</option>"); |
| } |
| |
| |
| |
| sb.append("</select>"); |
| return sb.toString(); |
| } |
| |
| |
| |
| private String booleanFieldToHtml(FormField field) { |
| StringBuilder sb = new StringBuilder(); |
| boolean value = (!field.getValues().isEmpty() && "true".equals(field.getValues().get(0).toString())); |
| |
| sb.append(labelToHtml(field)); |
| sb.append("<input name='"); |
| sb.append(field.getVariable()); |
| sb.append("' value='true' type='radio' "); |
| if(value) sb.append("selected "); |
| sb.append("/> Yes "); |
| sb.append("<input name='"); |
| sb.append(field.getVariable()); |
| sb.append("' value='false' type='radio' "); |
| if(!value) sb.append("selected "); |
| sb.append("/> No"); |
| |
| |
| return sb.toString(); |
| } |
| |
| private String singleValueFieldToHtml(FormField field, String type, String placeholder) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(labelToHtml(field)); |
| sb.append("<input id='"); |
| sb.append(varToId(field.getVariable())); |
| sb.append("' name='"); |
| sb.append(field.getVariable()); |
| sb.append("' value='"); |
| sb.append(getSingleValue(field)); |
| sb.append("'"); |
| if(type != null) { |
| sb.append(" type='" + type + "'"); |
| } |
| if(placeholder != null) { |
| sb.append(" placeholder='" + placeholder + "'"); |
| } |
| sb.append(required(field)); |
| sb.append(" />"); |
| return sb.toString(); |
| } |
| |
| private String required(FormField field) { |
| return field.isRequired() ? "required" : ""; |
| } |
| |
| private CharSequence getSingleValue(FormField field) { |
| if (!field.getValues().isEmpty()) { |
| return field.getValues().get(0); |
| } else { |
| return ""; |
| } |
| } |
| |
| private String varToId(String var) { |
| return var.replaceAll("[^A-Za-z0-9]", "-"); |
| } |
| |
| } |