1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.myfaces.tobago.renderkit;
21
22 import org.apache.myfaces.tobago.component.Attributes;
23
24 import javax.faces.component.UIComponent;
25 import javax.faces.component.UIInput;
26 import javax.faces.context.FacesContext;
27
28 public class HtmlUtils {
29
30 public static final String LAYOUT_ATTRIBUTE_PREFIX = "layout.";
31 public static final String CHAR_NON_BEAKING_SPACE = "\u00a0";
32
33 public static String generateAttribute(String name, Object value) {
34 String stringValue;
35 if (value == null) {
36 stringValue = null;
37 } else if (value instanceof String) {
38 stringValue = (String) value;
39 } else {
40 stringValue = value.toString();
41 }
42 return (stringValue != null && stringValue.length() > 0)
43 ? name + "=\"" + value + "\""
44 : "";
45 }
46
47 public static String appendAttribute(UIComponent component, String name,
48 String appendValue) {
49 Object attribute = component.getAttributes().get(name);
50 return attribute != null
51 ? attribute.toString() + " " + appendValue : appendValue;
52 }
53
54 public static String generateOnchange(UIInput component,
55 FacesContext facesContext) {
56
57 /*Validator[] validators = component.getValidators();
58 for (int i = 0; i < validators.length; i++) {
59 if (validators[i] instanceof LongRangeValidator) {
60 String functionCall = "validateLongRange('"
61 + component.getClientId(facesContext) + "')";
62 if (LOG.isDebugEnabled()) {
63 LOG.debug("validator functionCall: " + functionCall);
64 }
65 buffer.append(functionCall);
66 } else {
67 buffer.append("true");
68 }
69 if (i + 1 < validators.length) { // is not last
70 buffer.append(" && ");
71 }
72 } */
73
74 Object onchange = component.getAttributes().get(Attributes.ONCHANGE);
75 if (onchange != null) {
76 return onchange.toString();
77 }
78 return null;
79 }
80
81 }