com.googlecode.gwt.test.uibinder.UiXmlContentHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gwt-test-utils Show documentation

There is a newer version: 0.63

package com.googlecode.gwt.test.uibinder;

import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;

import com.google.gwt.user.client.ui.Widget;

/**
 * SAX handler for UiBinder xml.
 * 
 * @author Gael Lazzari
 * 
 * @param  The type of the root declared {@link Widget}.
 */
class UiXmlContentHandler implements ContentHandler {

   private UiTagBuilder builder;
   private final Object owner;

   private T rootComponent;
   private final Class rootComponentClass;

   public UiXmlContentHandler(Class rootComponentClass, Object owner) {
      this.rootComponentClass = rootComponentClass;
      this.owner = owner;
   }

   public void characters(char[] ch, int start, int length) throws SAXException {
      String text = String.valueOf(ch, start, length);
      this.builder.appendText(text);
   }

   public void endDocument() throws SAXException {
      this.rootComponent = this.builder.build();
   }

   public void endElement(String nameSpaceURI, String localName, String rawName)
            throws SAXException {
      this.builder.endTag(nameSpaceURI, localName);
   }

   public void endPrefixMapping(String prefix) throws SAXException {
   }

   public T getRootComponent() {
      return rootComponent;
   }

   public void ignorableWhitespace(char[] ch, int start, int end) throws SAXException {
   }

   public void processingInstruction(String target, String data) throws SAXException {
   }

   public void setDocumentLocator(Locator locator) {

   }

   public void skippedEntity(String arg0) throws SAXException {
   }

   public void startDocument() throws SAXException {
      this.builder = UiTagBuilder.create(this.rootComponentClass, this.owner);
   }

   public void startElement(String nameSpaceURI, String localName, String rawName,
            Attributes attributes) throws SAXException {
      this.builder.startTag(nameSpaceURI, localName, attributes);
   }

   public void startPrefixMapping(String prefix, String URI) throws SAXException {

   }

}