diff options
Diffstat (limited to 'src/java/org/apache/fop/accessibility/StructureTreeBuilder.java')
-rw-r--r-- | src/java/org/apache/fop/accessibility/StructureTreeBuilder.java | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/java/org/apache/fop/accessibility/StructureTreeBuilder.java b/src/java/org/apache/fop/accessibility/StructureTreeBuilder.java deleted file mode 100644 index 036502e99..000000000 --- a/src/java/org/apache/fop/accessibility/StructureTreeBuilder.java +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* $Id$ */ - -package org.apache.fop.accessibility; - -import javax.xml.transform.TransformerConfigurationException; -import javax.xml.transform.dom.DOMResult; -import javax.xml.transform.sax.SAXTransformerFactory; -import javax.xml.transform.sax.TransformerHandler; - -import org.xml.sax.ContentHandler; -import org.xml.sax.SAXException; - -import org.apache.fop.util.DelegatingContentHandler; - -/** - * Helper class that re-builds a structure tree from what is stored in an - * intermediate XML file (IF XML or Area Tree XML). - */ -public final class StructureTreeBuilder { - - private final SAXTransformerFactory factory; - - private final StructureTree structureTree = new StructureTree(); - - /** - * Creates a new instance. - * - * @param factory a factory internally used to build the structures of page - * sequences - */ - public StructureTreeBuilder(SAXTransformerFactory factory) { - this.factory = factory; - } - - /** - * Returns the structure tree that will result from the parsing. - * - * @return the structure tree built by this object - */ - public StructureTree getStructureTree() { - return structureTree; - } - - /** - * Returns a ContenHandler for parsing the structure of a new page sequence. - * It is assumed that page sequences are being parsed in the document order. - * - * @return a handler for parsing the <structure-tree> or - * <structureTree> element and its descendants - * @throws SAXException if there is an error when creating the handler - */ - public ContentHandler getHandlerForNextPageSequence() throws SAXException { - TransformerHandler structureTreeBuilder; - try { - structureTreeBuilder = factory.newTransformerHandler(); - } catch (TransformerConfigurationException e) { - throw new SAXException(e); - } - final DOMResult domResult = new DOMResult(); - structureTreeBuilder.setResult(domResult); - return new DelegatingContentHandler(structureTreeBuilder) { - - public void characters(char[] ch, int start, int length) throws SAXException { - /* - * There's no text node in the structure tree. This is just - * whitespace => ignore - */ - } - - public void endDocument() throws SAXException { - super.endDocument(); - structureTree.addPageSequenceStructure(domResult.getNode().getFirstChild() - .getChildNodes()); - } - }; - } - -} |