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1
209 package com.ivata.groupware.web.tag;
210
211 import java.io.File  ;
212 import java.io.IOException ;
213 import java.io.UnsupportedEncodingException ;
214 import java.util.List ;
215 import java.util.Locale ;
216 import java.util.Vector ;
217
218 import javax.servlet.http.HttpServletRequest ;
219 import javax.servlet.http.HttpSession ;
220 import javax.servlet.jsp.JspException ;
221 import javax.servlet.jsp.JspWriter ;
222 import javax.servlet.jsp.tagext.BodyContent ;
223 import javax.servlet.jsp.tagext.BodyTagSupport ;
224
225 import org.apache.log4j.Logger;
226 import org.apache.struts.Globals;
227 import org.apache.struts.taglib.TagUtils;
228 import org.picocontainer.PicoContainer;
229
230 import com.ivata.groupware.admin.security.Security;
231 import com.ivata.groupware.admin.security.server.SecuritySession;
232 import com.ivata.groupware.admin.security.user.UserDO;
233 import com.ivata.groupware.admin.setting.Settings;
234 import com.ivata.groupware.container.PicoContainerFactory;
235 import com.ivata.mask.persistence.FinderException;
236 import com.ivata.mask.util.StringHandling;
237 import com.ivata.mask.util.SystemException;
238 import com.ivata.mask.web.RewriteHandling;
239 import com.ivata.mask.web.format.URLFormat;
240 import com.ivata.mask.web.servlet.GenerateCSS;
241 import com.ivata.mask.web.tag.theme.ThemeConstants;
242
243
244
351 public class HeadTag extends BodyTagSupport {
352
353
356 private static final String DEFAULT_CSS_NAME = "default.css";
357
360 private static final Logger logger = Logger.getLogger(HeadTag.class);
361
364 private static final String MAIN_CSS_NAME = "ivataMain.css";
365
368 private static final String MSIE_CSS_NAME = "internetExplorer.css";
369
373 private String bundle = null;
374
377 private boolean frames = false;
378
381 private String javaScript = null;
382
387 private boolean keepOnTop = true;
388
391 private boolean login = false;
392
397 private String title = null;
398
404 private List titleArgs = new Vector ();
405
411 private String titleKey = null;
412
420 private boolean topLevel = false;
421
432 public int doAfterBody() throws JspException {
433 BodyContent bodyContent = getBodyContent();
434 if(bodyContent != null) {
435 try {
436 JspWriter out = getPreviousOut();
437 writeTagBodyContent(out, bodyContent);
438 } catch(Exception ex) {
439 throw new JspException (ex);
440 }
441 }
442
443 return SKIP_BODY;
445 }
446 public int doEndTag() throws JspException {
447 HttpSession session = pageContext.getSession();
448 TagUtils tagUtils = TagUtils.getInstance();
449
450 HttpServletRequest request =
451 (HttpServletRequest ) pageContext.getRequest();
452 SecuritySession securitySession = (SecuritySession)
453 session.getAttribute("securitySession");
454 boolean print = (request.getParameter("print") != null);
455 if (securitySession == null) {
456 try {
457 PicoContainer container = PicoContainerFactory.getInstance()
458 .getGlobalContainer();
459 Security security =
460 (Security)container.getComponentInstance(Security.class);
461 securitySession = security.loginGuest();
462 } catch (SystemException e) {
463 throw new JspException (e);
464 }
465 session.setAttribute("securitySession", securitySession);
466 }
467 PicoContainer container = securitySession.getContainer();
468 Settings settings =
469 (Settings) container.getComponentInstance(Settings.class);
470 UserDO user = securitySession.getUser();
471
472 String themeName = (String ) pageContext.findAttribute(
475 ThemeConstants.ATTRIBUTE_THEME_NAME);
476 if (StringHandling.isNullOrEmpty(themeName)) {
477 try {
478 themeName = settings.getStringSetting(securitySession,
480 "siteTheme", user);
481 } catch (SystemException e) {
482 throw new JspException (e);
483 }
484 session.setAttribute(ThemeConstants.ATTRIBUTE_THEME_NAME,
485 themeName);
486 }
487
488 String encoding;
489 try {
490 Object localeObject = session.getAttribute(Globals.LOCALE_KEY);
491 if (localeObject == null) {
492 String localeLanguage;
493 try {
494 localeLanguage = settings.getStringSetting(securitySession,
495 "i18nLocaleLanguage", null);
496 } catch (FinderException e) {
497 if (logger.isDebugEnabled()) {
498 logger.warn("Could not retrieve locale language from "
499 + "setting 'i18nLocaleLanguage'. Defaulting "
500 + "to en.", e);
501 } else {
502 logger.warn("Could not retrieve locale language from "
503 + "setting 'i18nLocaleLanguage'. Defaulting "
504 + "to en.");
505 }
506 localeLanguage = "en";
507 }
508
509 session.setAttribute(Globals.LOCALE_KEY,
510 new Locale (localeLanguage));
511 }
512 try {
514 encoding = settings.getStringSetting(securitySession,
515 "i18nEncoding",
516 user);
517 } catch (FinderException e) {
518 if (logger.isDebugEnabled()) {
519 logger.warn("Could not retrieve encoding from setting "
520 + "'i18nEncoding'. Defaulting to utf-8.", e);
521 } else {
522 logger.warn("Could not retrieve encoding from setting "
523 + "'i18nEncoding'. Defaulting to utf-8.");
524 }
525 encoding = "utf-8";
526 }
527 pageContext.getRequest().setCharacterEncoding(encoding);
528 pageContext.getResponse().setContentType("text/HTML; charset="
529 + encoding);
530
531 } catch(UnsupportedEncodingException e) {
532 throw new JspException (e);
533
534 } catch(SystemException e) {
535 throw new JspException (e);
536 }
537
538 String myTitle = title;
541 if (myTitle==null) {
542 try {
544 myTitle = "";
545 if (titleKey != null) {
546 myTitle = tagUtils.message(pageContext, bundle,
548 Globals.LOCALE_KEY, titleKey, titleArgs.toArray());
549 if (myTitle == null) {
550 myTitle = tagUtils.message(pageContext, null,
551 Globals.LOCALE_KEY, titleKey,
552 titleArgs.toArray());
553 }
554 if (myTitle == null) {
555 StringBuffer warning =
556 new StringBuffer ("Could not find a title for key '");
557 warning.append(titleKey);
558 warning.append("'. I checked ");
559 if (bundle != null) {
560 warning.append(" bundle '");
561 warning.append(bundle);
562 warning.append("' and ");
563 }
564 warning.append("the default (null) bundle.");
565 logger.warn(warning.toString());
566 myTitle = "";
567 }
568 }
569
570 if (!"".equals(myTitle)) {
571 myTitle += " - ";
572 }
573 try {
574 myTitle += settings.getStringSetting(securitySession,
575 "siteTitle",
576 user);
577 } catch(FinderException e) {
578 if (logger.isDebugEnabled()) {
579 logger.warn("Could locate value for setting "
580 + "'siteTitle'.", e);
581
582 } else {
583 logger.warn("Could locate value for setting "
584 + "'siteTitle'.");
585 }
586 }
587 } catch(SystemException e) {
588 throw new JspException (e);
589 }
590 }
591 if (print) {
592 String printLabel = StringHandling.getNotNull(tagUtils
593 .message(pageContext, null,
594 Globals.LOCALE_KEY, "print.label.title",
595 null),
596 "Printing ");
597 myTitle = printLabel + myTitle;
598 }
599
600
601 StringBuffer javaScriptBuffer = new StringBuffer ();
604 if(javaScript != null) {
606 javaScriptBuffer.append(javaScript);
607 javaScriptBuffer.append('\n');
608 }
609 if (topLevel) {
611 Integer width = StringHandling.integerValue(request.getParameter(
613 "width"));
614 Integer height = StringHandling.integerValue(request.getParameter(
615 "height"));
616 if ((width != null)
617 && (height != null)){
618 javaScriptBuffer.append("window.resizeTo(");
619 javaScriptBuffer.append(width);
620 javaScriptBuffer.append(",");
621 javaScriptBuffer.append(height);
622 javaScriptBuffer.append(");\n");
623 }
624
625 if(keepOnTop && !print) {
627 javaScriptBuffer.append(
628 "if (window != top) {\n top.location.href "
629 + "= location.href ;\n}\nwindow.focus();\n\n");
630 }
631 } else if (!print) {
632 URLFormat URLFormat = new URLFormat();
633
634 javaScriptBuffer.append(
637 "if (window == top) {\n top.location.href = \"");
638 javaScriptBuffer.append(
639 RewriteHandling.getContextPath(request));
640 javaScriptBuffer.append("/index.jsp?uri=\" + escape(\"");
641
642
643 String queryString = request.getQueryString();
644 StringBuffer uri = new StringBuffer ();
645 uri.append(request.getServletPath());
646 if(queryString != null) {
647 uri.append(URLFormat.format("?"));
648 uri.append(URLFormat.format(queryString));
649 }
650 javaScriptBuffer.append(RewriteHandling.rewriteURL(uri.toString(),
651 request.getContextPath()));
652 javaScriptBuffer.append("\");\n}\n");
653 }
654 String generatedJavaScript;
655 if (javaScriptBuffer.length() > 0) {
656 generatedJavaScript = javaScriptBuffer.toString();
657 } else {
658 generatedJavaScript = null;
659 }
660 try {
661 JspWriter out = pageContext.getOut();
662 out.println("<meta http-equiv='Content-Type' content='text/HTML; "
663 + "charset="
664 + encoding
665 + "'/>");
666 out.println("<meta http-equiv='Content-Style-Type' "
667 + "content='text/css' />");
668
669 String servletPath = request.getServletPath();
673 if (!topLevel && !servletPath.startsWith("/util/iframeContent")) {
674 printStyleSheetLink(request,
675 out,
676 GenerateCSS.CSS_PATH
677 + "/"
678 + MAIN_CSS_NAME,
679 null);
680 }
681
682 if (!StringHandling.isNullOrEmpty(servletPath)) {
688 String fullPath = servletPath;
689 int dotPos = fullPath.indexOf('.');
690 if (dotPos != 0) {
693 fullPath = fullPath.substring(0, dotPos);
694 }
695 int pos = -1;
697 do {
698 pos = fullPath.indexOf('/', pos + 1);
700 String [] mediaNames = new String [] {null, "print"};
703 for (int i = 0; i < mediaNames.length; ++i) {
704 String mediaName = mediaNames[i];
705 String path;
706 if (pos == -1) {
708 path = fullPath + "/";
709 } else {
710 path = fullPath.substring(0, pos + 1);
711 }
712 if (mediaName != null) {
714 path += mediaName + "/";
715 }
716 String specificCSSName = GenerateCSS.CSS_PATH
717 + path
718 + DEFAULT_CSS_NAME;
719 File file = new File (pageContext.getServletContext()
721 .getRealPath(specificCSSName));
722 if (file.exists()) {
723 printStyleSheetLink(request,
724 out,
725 specificCSSName,
726 mediaName);
727 }
728 specificCSSName = GenerateCSS.CSS_PATH
730 + path
731 + themeName
732 + ".css";
733 file = new File (pageContext.getServletContext()
734 .getRealPath(specificCSSName));
735 if (file.exists()) {
736 printStyleSheetLink(request,
737 out,
738 specificCSSName,
739 mediaName);
740 }
741 specificCSSName = GenerateCSS.CSS_PATH
743 + path
744 + MSIE_CSS_NAME;
745 file = new File (pageContext.getServletContext()
746 .getRealPath(specificCSSName));
747 if (file.exists()) {
748 out.println("<!--[if IE]>");
749 printStyleSheetLink(request,
750 out,
751 specificCSSName,
752 mediaName);
753 out.println("<![endif]-->");
754 }
755 }
756 } while (pos != -1);
757 }
758
759 out.println("<title>" + myTitle + "</title>");
760
761 if ((generatedJavaScript != null)
763 && !generatedJavaScript.trim().equals("")) {
764 out.println("<script "
765 + "type='text/javascript'>");
766 out.println(" <!--");
767 out.println(generatedJavaScript);
768 out.println(" // -->");
769 out.println("</script>");
770 }
771 out.println("</head>");
772 } catch(IOException e) {
773 throw new JspException (e);
774 }
775 return EVAL_PAGE;
776 }
777
793 public int doStartTag() throws JspException {
794 try {
795 JspWriter out = pageContext.getOut();
796 out.println("<head>");
797 out.println("<meta http-equiv='Content-Style-Type' "
798 + "content='text/css' />");
799 out.println("<meta http-equiv='cache-control' content='no-cache'/>");
801 out.println("<meta http-equiv='pragma' content='no-cache'/>");
803 } catch(IOException e) {
804 throw new JspException (e);
805 }
806 BodyContent bodyContent = getBodyContent();
807 return EVAL_BODY_BUFFERED;
808 }
809
816 public final String getBundle() {
817 return bundle;
818 }
819
820
828 public final String getJavaScript() {
829 return javaScript;
830 }
831
840 public final boolean getKeepOnTop() {
841 return keepOnTop;
842 }
843
844
853 public final boolean getLogin() {
854 return login;
855 }
856
857
876 public final String getTitle() {
877 return title;
878 }
879
880
887 public List getTitleArgs() {
888 return titleArgs;
889 }
890
891
899 public final String getTitleKey() {
900 return titleKey;
901 }
902
903
917 public final boolean getTopLevel() {
918 return topLevel;
919 }
920
924 public boolean isFrames() {
925 return frames;
926 }
927
938 private void printStyleSheetLink(final HttpServletRequest request,
939 final JspWriter out,
940 final String filePath,
941 final String mediaName)
942 throws IOException {
943 out.print("<link rel='stylesheet' HREF='");
944 out.print(RewriteHandling.rewriteURL(RewriteHandling.getContextPath(request) + filePath,
945 RewriteHandling.getContextPath(request)));
946 if (mediaName != null) {
947 out.print("' media='");
948 out.print(mediaName);
949 }
950 out.println("' type='text/css' />");
951
952 }
953
954
961 public final void setBundle(final String bundle) {
962 this.bundle = bundle;
963 }
964
968 public void setFrames(boolean framesParam) {
969 if (logger.isDebugEnabled()) {
970 logger.debug("Setting frames. Before '" + frames + "', after '"
971 + framesParam + "'");
972 }
973 frames = framesParam;
974 }
975
976
984 public final void setJavaScript(final String javaScript) {
985 this.javaScript = javaScript;
986 }
987
988
996 public final void setKeepOnTop(final boolean keepOnTop) {
997 this.keepOnTop = keepOnTop;
998 }
999
1000
1009 public final void setLogin(final boolean login) {
1010 this.login = login;
1011 }
1012
1013
1030 public final void setTitle(final String title) {
1031 this.title = title;
1032 }
1033
1034
1041 public final void setTitleArgs(final List titleArgsParam) {
1042 this.titleArgs = titleArgsParam;
1043 }
1044
1045
1053 public final void setTitleKey(final String titleKey) {
1054 this.titleKey = titleKey;
1055 }
1056
1057
1072 public final void setTopLevel(final boolean topLevel) {
1073 this.topLevel = topLevel;
1074 }
1075
1076
1084 public void writeTagBodyContent(final JspWriter out,
1085 final BodyContent bodyContent) throws IOException {
1086 HttpSession session = pageContext.getSession();
1087 out.println(bodyContent.getString());
1088 bodyContent.clearBody();
1090 }
1091}
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