001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.bean.html5;
018
019import org.apache.juneau.annotation.*;
020import org.apache.juneau.internal.*;
021
022/**
023 * DTO for an HTML <a class="doclink" href="https://www.w3.org/TR/html5/document-metadata.html#the-meta-element">&lt;meta&gt;</a>
024 * element.
025 *
026 * <p>
027 * The meta element represents metadata about the document. It provides information about the document
028 * that is not displayed to users but is used by browsers, search engines, and other web services.
029 * Common uses include character encoding, viewport settings, SEO information, and social media tags.
030 *
031 * <h5 class='section'>Examples:</h5>
032 * <p class='bcode w800'>
033 *    // Character encoding
034 *    Meta meta1 = meta().charset("utf-8");
035 * 
036 *    // Viewport for responsive design
037 *    Meta meta2 = meta()
038 *       .name("viewport")
039 *       .content("width=device-width, initial-scale=1.0");
040 * 
041 *    // SEO description
042 *    Meta meta3 = meta()
043 *       .name("description")
044 *       .content("This is a sample web page with meta information");
045 * 
046 *    // Open Graph tags for social media
047 *    Meta meta4 = meta()
048 *       .property("og:title")
049 *       .content("My Web Page");
050 * 
051 *    // HTTP-equiv for cache control
052 *    Meta meta5 = meta()
053 *       .httpequiv("Cache-Control")
054 *       .content("no-cache, no-store, must-revalidate");
055 * </p>
056 *
057 * <p>
058 * The following convenience methods are provided for constructing instances of this bean:
059 * <ul class='javatree'>
060 *    <li class='jc'>{@link HtmlBuilder}
061 *    <ul class='javatree'>
062 *       <li class='jm'>{@link HtmlBuilder#meta() meta()}
063 *    </ul>
064 * </ul>
065 * </p>
066 *
067 * <h5 class='section'>See Also:</h5><ul>
068 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/JuneauBeanHtml5">juneau-bean-html5</a>
069 * </ul>
070 */
071@Bean(typeName="meta")
072public class Meta extends HtmlElementVoid {
073
074   /**
075    * Creates an empty {@link Meta} element.
076    */
077   public Meta() { /* Empty constructor. */ }
078
079   /**
080    * <a class="doclink" href="https://www.w3.org/TR/html5/document-metadata.html#attr-meta-charset">charset</a>
081    * attribute.
082    *
083    * <p>
084    * Specifies the character encoding for the HTML document. Should be placed early in the document head.
085    *
086    * <p>
087    * Common values:
088    * <ul>
089    *    <li><js>"UTF-8"</js> - Unicode UTF-8 encoding (recommended)</li>
090    *    <li><js>"ISO-8859-1"</js> - Latin-1 encoding</li>
091    *    <li><js>"windows-1252"</js> - Windows-1252 encoding</li>
092    * </ul>
093    *
094    * @param charset The character encoding for the document.
095    * @return This object.
096    */
097   public Meta charset(String value) {
098      attr("charset", value);
099      return this;
100   }
101
102   /**
103    * <a class="doclink" href="https://www.w3.org/TR/html5/document-metadata.html#attr-meta-content">content</a>
104    * attribute.
105    *
106    * <p>
107    * Specifies the value associated with the name or http-equiv attribute.
108    * The content varies depending on the type of metadata being defined.
109    *
110    * @param content The metadata value (e.g., description text, viewport settings, etc.).
111    * @return This object.
112    */
113   public Meta content(String value) {
114      attr("content", value);
115      return this;
116   }
117
118   /**
119    * <a class="doclink" href="https://www.w3.org/TR/html5/document-metadata.html#attr-meta-http-equiv">http-equiv</a>
120    * attribute.
121    *
122    * <p>
123    * Specifies a pragma directive that simulates an HTTP header. Used with the content attribute.
124    *
125    * <p>
126    * Common values:
127    * <ul>
128    *    <li><js>"content-type"</js> - Document content type and character encoding</li>
129    *    <li><js>"refresh"</js> - Page refresh or redirect timing</li>
130    *    <li><js>"expires"</js> - Document expiration date</li>
131    *    <li><js>"cache-control"</js> - Caching directives</li>
132    *    <li><js>"pragma"</js> - Cache control (legacy)</li>
133    *    <li><js>"set-cookie"</js> - Cookie settings</li>
134    *    <li><js>"x-ua-compatible"</js> - Browser compatibility mode</li>
135    * </ul>
136    *
137    * @param httpequiv The HTTP header name to simulate.
138    * @return This object.
139    */
140   public Meta httpequiv(String value) {
141      attr("http-equiv", value);
142      return this;
143   }
144
145   /**
146    * <a class="doclink" href="https://www.w3.org/TR/html5/document-metadata.html#attr-meta-name">name</a> attribute.
147    *
148    * <p>
149    * Specifies the name of the metadata property. Used with the content attribute to define document metadata.
150    *
151    * <p>
152    * Common values:
153    * <ul>
154    *    <li><js>"description"</js> - Page description for search engines</li>
155    *    <li><js>"keywords"</js> - Keywords for search engines</li>
156    *    <li><js>"author"</js> - Page author</li>
157    *    <li><js>"viewport"</js> - Viewport settings for mobile devices</li>
158    *    <li><js>"robots"</js> - Instructions for search engine crawlers</li>
159    * </ul>
160    *
161    * @param name The name of the metadata property.
162    * @return This object.
163    */
164   public Meta name(String value) {
165      attr("name", value);
166      return this;
167   }
168
169   //-----------------------------------------------------------------------------------------------------------------
170   // Overridden methods
171   //-----------------------------------------------------------------------------------------------------------------
172   @Override /* Overridden from HtmlElement */
173   public Meta _class(String value) {  // NOSONAR - Intentional naming.
174      super._class(value);
175      return this;
176   }
177
178   @Override /* Overridden from HtmlElement */
179   public Meta accesskey(String value) {
180      super.accesskey(value);
181      return this;
182   }
183
184   @Override /* Overridden from HtmlElement */
185   public Meta contenteditable(Object value) {
186      super.contenteditable(value);
187      return this;
188   }
189
190   @Override /* Overridden from HtmlElement */
191   public Meta dir(String value) {
192      super.dir(value);
193      return this;
194   }
195
196   @Override /* Overridden from HtmlElement */
197   public Meta hidden(Object value) {
198      super.hidden(value);
199      return this;
200   }
201
202   @Override /* Overridden from HtmlElement */
203   public Meta id(String value) {
204      super.id(value);
205      return this;
206   }
207
208   @Override /* Overridden from HtmlElement */
209   public Meta lang(String value) {
210      super.lang(value);
211      return this;
212   }
213
214   @Override /* Overridden from HtmlElement */
215   public Meta onabort(String value) {
216      super.onabort(value);
217      return this;
218   }
219
220   @Override /* Overridden from HtmlElement */
221   public Meta onblur(String value) {
222      super.onblur(value);
223      return this;
224   }
225
226   @Override /* Overridden from HtmlElement */
227   public Meta oncancel(String value) {
228      super.oncancel(value);
229      return this;
230   }
231
232   @Override /* Overridden from HtmlElement */
233   public Meta oncanplay(String value) {
234      super.oncanplay(value);
235      return this;
236   }
237
238   @Override /* Overridden from HtmlElement */
239   public Meta oncanplaythrough(String value) {
240      super.oncanplaythrough(value);
241      return this;
242   }
243
244   @Override /* Overridden from HtmlElement */
245   public Meta onchange(String value) {
246      super.onchange(value);
247      return this;
248   }
249
250   @Override /* Overridden from HtmlElement */
251   public Meta onclick(String value) {
252      super.onclick(value);
253      return this;
254   }
255
256   @Override /* Overridden from HtmlElement */
257   public Meta oncuechange(String value) {
258      super.oncuechange(value);
259      return this;
260   }
261
262   @Override /* Overridden from HtmlElement */
263   public Meta ondblclick(String value) {
264      super.ondblclick(value);
265      return this;
266   }
267
268   @Override /* Overridden from HtmlElement */
269   public Meta ondurationchange(String value) {
270      super.ondurationchange(value);
271      return this;
272   }
273
274   @Override /* Overridden from HtmlElement */
275   public Meta onemptied(String value) {
276      super.onemptied(value);
277      return this;
278   }
279
280   @Override /* Overridden from HtmlElement */
281   public Meta onended(String value) {
282      super.onended(value);
283      return this;
284   }
285
286   @Override /* Overridden from HtmlElement */
287   public Meta onerror(String value) {
288      super.onerror(value);
289      return this;
290   }
291
292   @Override /* Overridden from HtmlElement */
293   public Meta onfocus(String value) {
294      super.onfocus(value);
295      return this;
296   }
297
298   @Override /* Overridden from HtmlElement */
299   public Meta oninput(String value) {
300      super.oninput(value);
301      return this;
302   }
303
304   @Override /* Overridden from HtmlElement */
305   public Meta oninvalid(String value) {
306      super.oninvalid(value);
307      return this;
308   }
309
310   @Override /* Overridden from HtmlElement */
311   public Meta onkeydown(String value) {
312      super.onkeydown(value);
313      return this;
314   }
315
316   @Override /* Overridden from HtmlElement */
317   public Meta onkeypress(String value) {
318      super.onkeypress(value);
319      return this;
320   }
321
322   @Override /* Overridden from HtmlElement */
323   public Meta onkeyup(String value) {
324      super.onkeyup(value);
325      return this;
326   }
327
328   @Override /* Overridden from HtmlElement */
329   public Meta onload(String value) {
330      super.onload(value);
331      return this;
332   }
333
334   @Override /* Overridden from HtmlElement */
335   public Meta onloadeddata(String value) {
336      super.onloadeddata(value);
337      return this;
338   }
339
340   @Override /* Overridden from HtmlElement */
341   public Meta onloadedmetadata(String value) {
342      super.onloadedmetadata(value);
343      return this;
344   }
345
346   @Override /* Overridden from HtmlElement */
347   public Meta onloadstart(String value) {
348      super.onloadstart(value);
349      return this;
350   }
351
352   @Override /* Overridden from HtmlElement */
353   public Meta onmousedown(String value) {
354      super.onmousedown(value);
355      return this;
356   }
357
358   @Override /* Overridden from HtmlElement */
359   public Meta onmouseenter(String value) {
360      super.onmouseenter(value);
361      return this;
362   }
363
364   @Override /* Overridden from HtmlElement */
365   public Meta onmouseleave(String value) {
366      super.onmouseleave(value);
367      return this;
368   }
369
370   @Override /* Overridden from HtmlElement */
371   public Meta onmousemove(String value) {
372      super.onmousemove(value);
373      return this;
374   }
375
376   @Override /* Overridden from HtmlElement */
377   public Meta onmouseout(String value) {
378      super.onmouseout(value);
379      return this;
380   }
381
382   @Override /* Overridden from HtmlElement */
383   public Meta onmouseover(String value) {
384      super.onmouseover(value);
385      return this;
386   }
387
388   @Override /* Overridden from HtmlElement */
389   public Meta onmouseup(String value) {
390      super.onmouseup(value);
391      return this;
392   }
393
394   @Override /* Overridden from HtmlElement */
395   public Meta onmousewheel(String value) {
396      super.onmousewheel(value);
397      return this;
398   }
399
400   @Override /* Overridden from HtmlElement */
401   public Meta onpause(String value) {
402      super.onpause(value);
403      return this;
404   }
405
406   @Override /* Overridden from HtmlElement */
407   public Meta onplay(String value) {
408      super.onplay(value);
409      return this;
410   }
411
412   @Override /* Overridden from HtmlElement */
413   public Meta onplaying(String value) {
414      super.onplaying(value);
415      return this;
416   }
417
418   @Override /* Overridden from HtmlElement */
419   public Meta onprogress(String value) {
420      super.onprogress(value);
421      return this;
422   }
423
424   @Override /* Overridden from HtmlElement */
425   public Meta onratechange(String value) {
426      super.onratechange(value);
427      return this;
428   }
429
430   @Override /* Overridden from HtmlElement */
431   public Meta onreset(String value) {
432      super.onreset(value);
433      return this;
434   }
435
436   @Override /* Overridden from HtmlElement */
437   public Meta onresize(String value) {
438      super.onresize(value);
439      return this;
440   }
441
442   @Override /* Overridden from HtmlElement */
443   public Meta onscroll(String value) {
444      super.onscroll(value);
445      return this;
446   }
447
448   @Override /* Overridden from HtmlElement */
449   public Meta onseeked(String value) {
450      super.onseeked(value);
451      return this;
452   }
453
454   @Override /* Overridden from HtmlElement */
455   public Meta onseeking(String value) {
456      super.onseeking(value);
457      return this;
458   }
459
460   @Override /* Overridden from HtmlElement */
461   public Meta onselect(String value) {
462      super.onselect(value);
463      return this;
464   }
465
466   @Override /* Overridden from HtmlElement */
467   public Meta onshow(String value) {
468      super.onshow(value);
469      return this;
470   }
471
472   @Override /* Overridden from HtmlElement */
473   public Meta onstalled(String value) {
474      super.onstalled(value);
475      return this;
476   }
477
478   @Override /* Overridden from HtmlElement */
479   public Meta onsubmit(String value) {
480      super.onsubmit(value);
481      return this;
482   }
483
484   @Override /* Overridden from HtmlElement */
485   public Meta onsuspend(String value) {
486      super.onsuspend(value);
487      return this;
488   }
489
490   @Override /* Overridden from HtmlElement */
491   public Meta ontimeupdate(String value) {
492      super.ontimeupdate(value);
493      return this;
494   }
495
496   @Override /* Overridden from HtmlElement */
497   public Meta ontoggle(String value) {
498      super.ontoggle(value);
499      return this;
500   }
501
502   @Override /* Overridden from HtmlElement */
503   public Meta onvolumechange(String value) {
504      super.onvolumechange(value);
505      return this;
506   }
507
508   @Override /* Overridden from HtmlElement */
509   public Meta onwaiting(String value) {
510      super.onwaiting(value);
511      return this;
512   }
513
514   @Override /* Overridden from HtmlElement */
515   public Meta spellcheck(Object value) {
516      super.spellcheck(value);
517      return this;
518   }
519
520   @Override /* Overridden from HtmlElement */
521   public Meta style(String value) {
522      super.style(value);
523      return this;
524   }
525
526   @Override /* Overridden from HtmlElement */
527   public Meta tabindex(Object value) {
528      super.tabindex(value);
529      return this;
530   }
531
532   @Override /* Overridden from HtmlElement */
533   public Meta title(String value) {
534      super.title(value);
535      return this;
536   }
537
538   @Override /* Overridden from HtmlElement */
539   public Meta translate(Object value) {
540      super.translate(value);
541      return this;
542   }
543}