import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
+import org.argeo.cms.forms.FormPageViewer;
import org.eclipse.rap.rwt.SingletonUtil;
import org.eclipse.swt.widgets.Widget;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.helpers.DefaultHandler;
-/** Copy of RAP v2.3 since it is in an internal package. */
-class MarkupValidatorCopy {
-
- // Used by Eclipse Scout project
- public static final String MARKUP_VALIDATION_DISABLED
- = "org.eclipse.rap.rwt.markupValidationDisabled";
-
- private static final String DTD = createDTD();
- private static final Map<String, String[]> SUPPORTED_ELEMENTS = createSupportedElementsMap();
- private final SAXParser saxParser;
-
- public static MarkupValidatorCopy getInstance() {
- return SingletonUtil.getSessionInstance( MarkupValidatorCopy.class );
- }
-
- public MarkupValidatorCopy() {
- saxParser = createSAXParser();
- }
-
- public void validate( String text ) {
- StringBuilder markup = new StringBuilder();
- markup.append( DTD );
- markup.append( "<html>" );
- markup.append( text );
- markup.append( "</html>" );
- InputSource inputSource = new InputSource( new StringReader( markup.toString() ) );
- try {
- saxParser.parse( inputSource, new MarkupHandler() );
- } catch( RuntimeException exception ) {
- throw exception;
- } catch( Exception exception ) {
- throw new IllegalArgumentException( "Failed to parse markup text", exception );
- }
- }
-
- public static boolean isValidationDisabledFor( Widget widget ) {
- return Boolean.TRUE.equals( widget.getData( MARKUP_VALIDATION_DISABLED ) );
- }
-
- private static SAXParser createSAXParser() {
- SAXParser result = null;
- SAXParserFactory parserFactory = SAXParserFactory.newInstance();
- try {
- result = parserFactory.newSAXParser();
- } catch( Exception exception ) {
- throw new RuntimeException( "Failed to create SAX parser", exception );
- }
- return result;
- }
-
- private static String createDTD() {
- StringBuilder result = new StringBuilder();
- result.append( "<!DOCTYPE html [" );
- result.append( "<!ENTITY quot \""\">" );
- result.append( "<!ENTITY amp \"&\">" );
- result.append( "<!ENTITY apos \"'\">" );
- result.append( "<!ENTITY lt \"<\">" );
- result.append( "<!ENTITY gt \">\">" );
- result.append( "<!ENTITY nbsp \" \">" );
- result.append( "<!ENTITY ensp \" \">" );
- result.append( "<!ENTITY emsp \" \">" );
- result.append( "<!ENTITY ndash \"–\">" );
- result.append( "<!ENTITY mdash \"—\">" );
- result.append( "]>" );
- return result.toString();
- }
-
- private static Map<String, String[]> createSupportedElementsMap() {
- Map<String, String[]> result = new HashMap<String, String[]>();
- result.put( "html", new String[ 0 ] );
- result.put( "br", new String[ 0 ] );
- result.put( "b", new String[] { "style" } );
- result.put( "strong", new String[] { "style" } );
- result.put( "i", new String[] { "style" } );
- result.put( "em", new String[] { "style" } );
- result.put( "sub", new String[] { "style" } );
- result.put( "sup", new String[] { "style" } );
- result.put( "big", new String[] { "style" } );
- result.put( "small", new String[] { "style" } );
- result.put( "del", new String[] { "style" } );
- result.put( "ins", new String[] { "style" } );
- result.put( "code", new String[] { "style" } );
- result.put( "samp", new String[] { "style" } );
- result.put( "kbd", new String[] { "style" } );
- result.put( "var", new String[] { "style" } );
- result.put( "cite", new String[] { "style" } );
- result.put( "dfn", new String[] { "style" } );
- result.put( "q", new String[] { "style" } );
- result.put( "abbr", new String[] { "style", "title" } );
- result.put( "span", new String[] { "style" } );
- result.put( "img", new String[] { "style", "src", "width", "height", "title", "alt" } );
- result.put( "a", new String[] { "style", "href", "target", "title" } );
- return result;
- }
-
- private static class MarkupHandler extends DefaultHandler {
-
- @Override
- public void startElement( String uri, String localName, String name, Attributes attributes ) {
- checkSupportedElements( name, attributes );
- checkSupportedAttributes( name, attributes );
- checkMandatoryAttributes( name, attributes );
- }
-
- private static void checkSupportedElements( String elementName, Attributes attributes ) {
- if( !SUPPORTED_ELEMENTS.containsKey( elementName ) ) {
- throw new IllegalArgumentException( "Unsupported element in markup text: " + elementName );
- }
- }
-
- private static void checkSupportedAttributes( String elementName, Attributes attributes ) {
- if( attributes.getLength() > 0 ) {
- List<String> supportedAttributes = Arrays.asList( SUPPORTED_ELEMENTS.get( elementName ) );
- int index = 0;
- String attributeName = attributes.getQName( index );
- while( attributeName != null ) {
- if( !supportedAttributes.contains( attributeName ) ) {
- String message = "Unsupported attribute \"{0}\" for element \"{1}\" in markup text";
- message = MessageFormat.format( message, new Object[] { attributeName, elementName } );
- throw new IllegalArgumentException( message );
- }
- index++;
- attributeName = attributes.getQName( index );
- }
- }
- }
-
- private static void checkMandatoryAttributes( String elementName, Attributes attributes ) {
- checkIntAttribute( elementName, attributes, "img", "width" );
- checkIntAttribute( elementName, attributes, "img", "height" );
- }
-
- private static void checkIntAttribute( String elementName,
- Attributes attributes,
- String checkedElementName,
- String checkedAttributeName )
- {
- if( checkedElementName.equals( elementName ) ) {
- String attribute = attributes.getValue( checkedAttributeName );
- try {
- Integer.parseInt( attribute );
- } catch( NumberFormatException exception ) {
- String message
- = "Mandatory attribute \"{0}\" for element \"{1}\" is missing or not a valid integer";
- Object[] arguments = new Object[] { checkedAttributeName, checkedElementName };
- message = MessageFormat.format( message, arguments );
- throw new IllegalArgumentException( message );
- }
- }
- }
-
- }
+/**
+ * Copy of RAP v2.3 since it is in an internal package.
+ *
+ * FIXME made public to enable validation from the {@link FormPageViewer}
+ */
+public class MarkupValidatorCopy {
+
+ // Used by Eclipse Scout project
+ public static final String MARKUP_VALIDATION_DISABLED = "org.eclipse.rap.rwt.markupValidationDisabled";
+
+ private static final String DTD = createDTD();
+ private static final Map<String, String[]> SUPPORTED_ELEMENTS = createSupportedElementsMap();
+ private final SAXParser saxParser;
+
+ public static MarkupValidatorCopy getInstance() {
+ return SingletonUtil.getSessionInstance(MarkupValidatorCopy.class);
+ }
+
+ public MarkupValidatorCopy() {
+ saxParser = createSAXParser();
+ }
+
+ public void validate(String text) {
+ StringBuilder markup = new StringBuilder();
+ markup.append(DTD);
+ markup.append("<html>");
+ markup.append(text);
+ markup.append("</html>");
+ InputSource inputSource = new InputSource(new StringReader(
+ markup.toString()));
+ try {
+ saxParser.parse(inputSource, new MarkupHandler());
+ } catch (RuntimeException exception) {
+ throw exception;
+ } catch (Exception exception) {
+ throw new IllegalArgumentException("Failed to parse markup text",
+ exception);
+ }
+ }
+
+ public static boolean isValidationDisabledFor(Widget widget) {
+ return Boolean.TRUE.equals(widget.getData(MARKUP_VALIDATION_DISABLED));
+ }
+
+ private static SAXParser createSAXParser() {
+ SAXParser result = null;
+ SAXParserFactory parserFactory = SAXParserFactory.newInstance();
+ try {
+ result = parserFactory.newSAXParser();
+ } catch (Exception exception) {
+ throw new RuntimeException("Failed to create SAX parser", exception);
+ }
+ return result;
+ }
+
+ private static String createDTD() {
+ StringBuilder result = new StringBuilder();
+ result.append("<!DOCTYPE html [");
+ result.append("<!ENTITY quot \""\">");
+ result.append("<!ENTITY amp \"&\">");
+ result.append("<!ENTITY apos \"'\">");
+ result.append("<!ENTITY lt \"<\">");
+ result.append("<!ENTITY gt \">\">");
+ result.append("<!ENTITY nbsp \" \">");
+ result.append("<!ENTITY ensp \" \">");
+ result.append("<!ENTITY emsp \" \">");
+ result.append("<!ENTITY ndash \"–\">");
+ result.append("<!ENTITY mdash \"—\">");
+ result.append("]>");
+ return result.toString();
+ }
+
+ private static Map<String, String[]> createSupportedElementsMap() {
+ Map<String, String[]> result = new HashMap<String, String[]>();
+ result.put("html", new String[0]);
+ result.put("br", new String[0]);
+ result.put("b", new String[] { "style" });
+ result.put("strong", new String[] { "style" });
+ result.put("i", new String[] { "style" });
+ result.put("em", new String[] { "style" });
+ result.put("sub", new String[] { "style" });
+ result.put("sup", new String[] { "style" });
+ result.put("big", new String[] { "style" });
+ result.put("small", new String[] { "style" });
+ result.put("del", new String[] { "style" });
+ result.put("ins", new String[] { "style" });
+ result.put("code", new String[] { "style" });
+ result.put("samp", new String[] { "style" });
+ result.put("kbd", new String[] { "style" });
+ result.put("var", new String[] { "style" });
+ result.put("cite", new String[] { "style" });
+ result.put("dfn", new String[] { "style" });
+ result.put("q", new String[] { "style" });
+ result.put("abbr", new String[] { "style", "title" });
+ result.put("span", new String[] { "style" });
+ result.put("img", new String[] { "style", "src", "width", "height",
+ "title", "alt" });
+ result.put("a", new String[] { "style", "href", "target", "title" });
+ return result;
+ }
+
+ private static class MarkupHandler extends DefaultHandler {
+
+ @Override
+ public void startElement(String uri, String localName, String name,
+ Attributes attributes) {
+ checkSupportedElements(name, attributes);
+ checkSupportedAttributes(name, attributes);
+ checkMandatoryAttributes(name, attributes);
+ }
+
+ private static void checkSupportedElements(String elementName,
+ Attributes attributes) {
+ if (!SUPPORTED_ELEMENTS.containsKey(elementName)) {
+ throw new IllegalArgumentException(
+ "Unsupported element in markup text: " + elementName);
+ }
+ }
+
+ private static void checkSupportedAttributes(String elementName,
+ Attributes attributes) {
+ if (attributes.getLength() > 0) {
+ List<String> supportedAttributes = Arrays
+ .asList(SUPPORTED_ELEMENTS.get(elementName));
+ int index = 0;
+ String attributeName = attributes.getQName(index);
+ while (attributeName != null) {
+ if (!supportedAttributes.contains(attributeName)) {
+ String message = "Unsupported attribute \"{0}\" for element \"{1}\" in markup text";
+ message = MessageFormat.format(message, new Object[] {
+ attributeName, elementName });
+ throw new IllegalArgumentException(message);
+ }
+ index++;
+ attributeName = attributes.getQName(index);
+ }
+ }
+ }
+
+ private static void checkMandatoryAttributes(String elementName,
+ Attributes attributes) {
+ checkIntAttribute(elementName, attributes, "img", "width");
+ checkIntAttribute(elementName, attributes, "img", "height");
+ }
+
+ private static void checkIntAttribute(String elementName,
+ Attributes attributes, String checkedElementName,
+ String checkedAttributeName) {
+ if (checkedElementName.equals(elementName)) {
+ String attribute = attributes.getValue(checkedAttributeName);
+ try {
+ Integer.parseInt(attribute);
+ } catch (NumberFormatException exception) {
+ String message = "Mandatory attribute \"{0}\" for element \"{1}\" is missing or not a valid integer";
+ Object[] arguments = new Object[] { checkedAttributeName,
+ checkedElementName };
+ message = MessageFormat.format(message, arguments);
+ throw new IllegalArgumentException(message);
+ }
+ }
+ }
+
+ }
}
projects / lgpl / argeo-commons.git / blobdiff