[FOray-commit] SF.net SVN: foray: [7797] trunk/foray/foray-core/src/java/org/foray/core
Modular XSL-FO Implementation for Java.
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[FOray-commit] SF.net SVN: foray: [7797] trunk/foray/foray-core/src/java/org/foray/core
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From: <vic...@us...> - 2006-07-19 01:19:44
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Revision: 7797 Author: victormote Date: 2006-07-18 18:19:40 -0700 (Tue, 18 Jul 2006) ViewCVS: http://svn.sourceforge.net/foray/?rev=7797&view=rev Log Message: ----------- Move two classes to Common. Modified Paths: -------------- trunk/foray/foray-core/src/java/org/foray/core/FOrayDocument.java Removed Paths: ------------- trunk/foray/foray-core/src/java/org/foray/core/DocumentInputSource.java trunk/foray/foray-core/src/java/org/foray/core/DocumentReader.java Deleted: trunk/foray/foray-core/src/java/org/foray/core/DocumentInputSource.java =================================================================== --- trunk/foray/foray-core/src/java/org/foray/core/DocumentInputSource.java 2006-07-19 01:19:31 UTC (rev 7796) +++ trunk/foray/foray-core/src/java/org/foray/core/DocumentInputSource.java 2006-07-19 01:19:40 UTC (rev 7797) @@ -1,59 +0,0 @@ -/* - * Copyright 2004 The FOray Project. - * http://www.foray.org - * - * Licensed 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. - * - * This work is in part derived from the following work(s), used with the - * permission of the licensor: - * Apache FOP, licensed by the Apache Software Foundation - * - */ - -/* $Id$ */ - -package org.foray.core; - -import org.w3c.dom.Document; -import org.xml.sax.InputSource; - -/** - * This is an InputSource to be used with DocumentReader. - * - * @author Kelly A Campbell - * - */ - -public class DocumentInputSource extends InputSource { - private Document _document; - - public DocumentInputSource() { - super(); - } - - public DocumentInputSource(Document document) { - this(); - _document = document; - } - - public Document getDocument() { - return _document; - } - - public void setDocument(Document document) { - _document = document; - } - -} - - Deleted: trunk/foray/foray-core/src/java/org/foray/core/DocumentReader.java =================================================================== --- trunk/foray/foray-core/src/java/org/foray/core/DocumentReader.java 2006-07-19 01:19:31 UTC (rev 7796) +++ trunk/foray/foray-core/src/java/org/foray/core/DocumentReader.java 2006-07-19 01:19:40 UTC (rev 7797) @@ -1,515 +0,0 @@ -/* - * Copyright 2004 The FOray Project. - * http://www.foray.org - * - * Licensed 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. - * - * This work is in part derived from the following work(s), used with the - * permission of the licensor: - * Apache FOP, licensed by the Apache Software Foundation - * - */ - -/* $Id$ */ - -package org.foray.core; - - -import org.w3c.dom.Attr; -import org.w3c.dom.Document; -import org.w3c.dom.NamedNodeMap; -import org.w3c.dom.Node; -import org.xml.sax.ContentHandler; -import org.xml.sax.DTDHandler; -import org.xml.sax.EntityResolver; -import org.xml.sax.ErrorHandler; -import org.xml.sax.InputSource; -import org.xml.sax.SAXException; -import org.xml.sax.SAXNotRecognizedException; -import org.xml.sax.SAXNotSupportedException; -import org.xml.sax.XMLReader; -import org.xml.sax.helpers.AttributesImpl; - -import java.io.IOException; - -/** - * This presents a DOM as an XMLReader to make it easy to use a Document - * with a SAX-based implementation. - * - * @author Kelly A Campbell - * - */ - -public class DocumentReader implements XMLReader { - - // ////////////////////////////////////////////////////////////////// - // Configuration. - // ////////////////////////////////////////////////////////////////// - private boolean _namespaces = true; - private boolean _namespace_prefixes = true; - - - /** - * Look up the value of a feature. - * - * <p>The feature name is any fully-qualified URI. It is - * possible for an XMLReader to recognize a feature name but - * to be unable to return its value; this is especially true - * in the case of an adapter for a SAX1 Parser, which has - * no way of knowing whether the underlying parser is - * performing validation or expanding external entities.</p> - * - * <p>All XMLReaders are required to recognize the - * http://xml.org/sax/features/namespaces and the - * http://xml.org/sax/features/namespace-prefixes feature names.</p> - * - * <p>Some feature values may be available only in specific - * contexts, such as before, during, or after a parse.</p> - * - * <p>Typical usage is something like this:</p> - * - * <pre> - * XMLReader r = new MySAXDriver(); - * - * // try to activate validation - * try { - * r.setFeature("http://xml.org/sax/features/validation", true); - * } catch (SAXException e) { - * getLogger().error("Cannot activate validation."); - * } - * - * // register event handlers - * r.setContentHandler(new MyContentHandler()); - * r.setErrorHandler(new MyErrorHandler()); - * - * // parse the first document - * try { - * r.parse("http://www.foo.com/mydoc.xml"); - * } catch (IOException e) { - * getLogger().error("I/O exception reading XML document"); - * } catch (SAXException e) { - * getLogger().error("XML exception reading document."); - * } - * </pre> - * - * <p>Implementors are free (and encouraged) to invent their own features, - * using names built on their own URIs.</p> - * - * @param name The feature name, which is a fully-qualified URI. - * @return The current state of the feature (true or false). - * @exception SAXNotRecognizedException When the - * XMLReader does not recognize the feature name. - * @exception SAXNotSupportedException When the - * XMLReader recognizes the feature name but - * cannot determine its value at this time. - * @see #setFeature - */ - public boolean getFeature(String name) - throws SAXNotRecognizedException, SAXNotSupportedException { - if ("http://xml.org/sax/features/namespaces".equals(name)) { - return _namespaces; - } else if ( - "http://xml.org/sax/features/namespace-prefixes".equals(name)) { - return _namespace_prefixes; - } else { - throw new SAXNotRecognizedException("Feature '" + name - + "' not recognized or supported by Document2SAXAdapter"); - } - - } - - /** - * Set the state of a feature. - * - * <p>The feature name is any fully-qualified URI. It is - * possible for an XMLReader to recognize a feature name but - * to be unable to set its value; this is especially true - * in the case of an adapter for a SAX1 Parser, - * which has no way of affecting whether the underlying parser is - * validating, for example.</p> - * - * <p>All XMLReaders are required to support setting - * http://xml.org/sax/features/namespaces to true and - * http://xml.org/sax/features/namespace-prefixes to false.</p> - * - * <p>Some feature values may be immutable or mutable only - * in specific contexts, such as before, during, or after - * a parse.</p> - * - * @param name The feature name, which is a fully-qualified URI. - * @param value The requested state of the feature (true or false). - * @exception SAXNotRecognizedException When the - * XMLReader does not recognize the feature name. - * @exception SAXNotSupportedException When the - * XMLReader recognizes the feature name but - * cannot set the requested value. - * @see #getFeature - */ - public void setFeature(String name, boolean value) - throws SAXNotRecognizedException, SAXNotSupportedException { - if ("http://xml.org/sax/features/namespaces".equals(name)) { - _namespaces = value; - } else if ( - "http://xml.org/sax/features/namespace-prefixes".equals(name)) { - _namespace_prefixes = value; - } else { - throw new SAXNotRecognizedException("Feature '" + name - + "' not recognized or supported by Document2SAXAdapter"); - } - - } - - - - /** - * Look up the value of a property. - * - * <p>The property name is any fully-qualified URI. It is - * possible for an XMLReader to recognize a property name but - * to be unable to return its state; this is especially true - * in the case of an adapter for a SAX1 Parser.</p> - * - * <p>XMLReaders are not required to recognize any specific - * property names, though an initial core set is documented for - * SAX2.</p> - * - * <p>Some property values may be available only in specific - * contexts, such as before, during, or after a parse.</p> - * - * <p>Implementors are free (and encouraged) to invent their own properties, - * using names built on their own URIs.</p> - * - * @param name The property name, which is a fully-qualified URI. - * @return The current value of the property. - * @exception SAXNotRecognizedException When the - * XMLReader does not recognize the property name. - * @exception SAXNotSupportedException When the - * XMLReader recognizes the property name but - * cannot determine its value at this time. - * @see #setProperty - */ - public Object getProperty(String name) - throws SAXNotRecognizedException, SAXNotSupportedException { - throw new SAXNotRecognizedException("Property '" + name - + "' not recognized or supported by Document2SAXAdapter"); - } - - /** - * Set the value of a property. - * - * <p>The property name is any fully-qualified URI. It is - * possible for an XMLReader to recognize a property name but - * to be unable to set its value; this is especially true - * in the case of an adapter for a SAX1 Parser.</p> - * - * <p>XMLReaders are not required to recognize setting - * any specific property names, though a core set is provided with - * SAX2.</p> - * - * <p>Some property values may be immutable or mutable only - * in specific contexts, such as before, during, or after - * a parse.</p> - * - * <p>This method is also the standard mechanism for setting - * extended handlers.</p> - * - * @param name The property name, which is a fully-qualified URI. - * @param value The requested value for the property. - * @exception SAXNotRecognizedException When the - * XMLReader does not recognize the property name. - * @exception SAXNotSupportedException When the - * XMLReader recognizes the property name but - * cannot set the requested value. - */ - public void setProperty(String name, Object value) - throws SAXNotRecognizedException, SAXNotSupportedException { - throw new SAXNotRecognizedException("Property '" + name - + "' not recognized or supported by Document2SAXAdapter"); - } - - - - // ////////////////////////////////////////////////////////////////// - // Event handlers. - // ////////////////////////////////////////////////////////////////// - private EntityResolver _entityResolver = null; - private DTDHandler _dtdHandler = null; - private ContentHandler _contentHandler = null; - private ErrorHandler _errorHandler = null; - - - /** - * Allow an application to register an entity resolver. - * - * <p>If the application does not register an entity resolver, - * the XMLReader will perform its own default resolution.</p> - * - * <p>Applications may register a new or different resolver in the - * middle of a parse, and the SAX parser must begin using the new - * resolver immediately.</p> - * - * @param resolver The entity resolver. - * @see #getEntityResolver - */ - public void setEntityResolver(EntityResolver resolver) { - _entityResolver = resolver; - } - - - - /** - * Return the current entity resolver. - * - * @return The current entity resolver, or null if none - * has been registered. - * @see #setEntityResolver - */ - public EntityResolver getEntityResolver() { - return _entityResolver; - } - - - - /** - * Allow an application to register a DTD event handler. - * - * <p>If the application does not register a DTD handler, all DTD - * events reported by the SAX parser will be silently ignored.</p> - * - * <p>Applications may register a new or different handler in the - * middle of a parse, and the SAX parser must begin using the new - * handler immediately.</p> - * - * @param handler The DTD handler. - * @see #getDTDHandler - */ - public void setDTDHandler(DTDHandler handler) { - _dtdHandler = handler; - } - - - - /** - * Return the current DTD handler. - * - * @return The current DTD handler, or null if none - * has been registered. - * @see #setDTDHandler - */ - public DTDHandler getDTDHandler() { - return _dtdHandler; - } - - - - /** - * Allow an application to register a content event handler. - * - * <p>If the application does not register a content handler, all - * content events reported by the SAX parser will be silently - * ignored.</p> - * - * <p>Applications may register a new or different handler in the - * middle of a parse, and the SAX parser must begin using the new - * handler immediately.</p> - * - * @param handler The content handler. - * @see #getContentHandler - */ - public void setContentHandler(ContentHandler handler) { - _contentHandler = handler; - } - - /** - * Return the current content handler. - * - * @return The current content handler, or null if none - * has been registered. - * @see #setContentHandler - */ - public ContentHandler getContentHandler() { - return _contentHandler; - } - - - - /** - * Allow an application to register an error event handler. - * - * <p>If the application does not register an error handler, all - * error events reported by the SAX parser will be silently - * ignored; however, normal processing may not continue. It is - * highly recommended that all SAX applications implement an - * error handler to avoid unexpected bugs.</p> - * - * <p>Applications may register a new or different handler in the - * middle of a parse, and the SAX parser must begin using the new - * handler immediately.</p> - * - * @param handler The error handler. - * @see #getErrorHandler - */ - public void setErrorHandler(ErrorHandler handler) { - _errorHandler = handler; - } - - /** - * Return the current error handler. - * - * @return The current error handler, or null if none - * has been registered. - * @see #setErrorHandler - */ - public ErrorHandler getErrorHandler() { - return _errorHandler; - } - - - - // ////////////////////////////////////////////////////////////////// - // Parsing. - // ////////////////////////////////////////////////////////////////// - - /** - * Parse an XML DOM document. - * @param input The input source for the top-level of the XML document. - * @exception SAXException Any SAX exception, possibly - * wrapping another exception. - * @exception IOException An IO exception from the parser, - * possibly from a byte stream or character stream - * supplied by the application. - * @see org.xml.sax.InputSource - * @see #parse(String) - * @see #setEntityResolver - * @see #setDTDHandler - * @see #setContentHandler - * @see #setErrorHandler - */ - public void parse(InputSource input) throws IOException, SAXException { - if (input instanceof DocumentInputSource) { - Document document = ((DocumentInputSource)input).getDocument(); - if (_contentHandler == null) { - throw new SAXException("ContentHandler is null. Please use " - + "setContentHandler()"); - } - - /* most of this code is modified from John Cowan's */ - - Node currentNode; - AttributesImpl currentAtts; - - /* temporary array for making Strings into character arrays */ - char[] array = null; - - currentAtts = new AttributesImpl(); - - /* start at the document element */ - currentNode = document; - while (currentNode != null) { - switch (currentNode.getNodeType()) { - case Node.DOCUMENT_NODE: - _contentHandler.startDocument(); - break; - case Node.CDATA_SECTION_NODE: - case Node.TEXT_NODE: - String data = currentNode.getNodeValue(); - int datalen = data.length(); - if (array == null || array.length < datalen) { - /* - * if the array isn't big enough, make a new - * one - */ - array = new char[datalen]; - } - data.getChars(0, datalen, array, 0); - _contentHandler.characters(array, 0, datalen); - break; - case Node.PROCESSING_INSTRUCTION_NODE: - _contentHandler.processingInstruction( - currentNode.getNodeName(), - currentNode.getNodeValue()); - break; - case Node.ELEMENT_NODE: - NamedNodeMap map = currentNode.getAttributes(); - currentAtts.clear(); - for (int i = map.getLength() - 1; i >= 0; i--) { - Attr att = (Attr)map.item(i); - currentAtts.addAttribute(att.getNamespaceURI(), - att.getLocalName(), - att.getName(), "CDATA", - att.getValue()); - } - _contentHandler.startElement(currentNode.getNamespaceURI(), - currentNode.getLocalName(), - currentNode.getNodeName(), - currentAtts); - break; - } - - Node nextNode = currentNode.getFirstChild(); - if (nextNode != null) { - currentNode = nextNode; - continue; - } - - while (currentNode != null) { - switch (currentNode.getNodeType()) { - case Node.DOCUMENT_NODE: - _contentHandler.endDocument(); - break; - case Node.ELEMENT_NODE: - _contentHandler.endElement( - currentNode.getNamespaceURI(), - currentNode.getLocalName(), - currentNode.getNodeName()); - break; - } - - nextNode = currentNode.getNextSibling(); - if (nextNode != null) { - currentNode = nextNode; - break; - } - - currentNode = currentNode.getParentNode(); - } - } - - } else { - throw new SAXException("DocumentReader only supports parsing of a " - + "DocumentInputSource"); - } - - } - - - - /** - * DocumentReader requires a DocumentInputSource, so this is not implements - * and simply throws a SAXException. - * Use parse(DocumentInputSource) instead - * - * @param systemId The system identifier (URI). - * @exception SAXException Any SAX exception, possibly - * wrapping another exception. - * @exception IOException An IO exception from the parser, - * possibly from a byte stream or character stream - * supplied by the application. - * @see #parse(InputSource) - */ - public void parse(String systemId) throws IOException, SAXException { - throw new SAXException("DocumentReader only supports parsing of a " - + "DocumentInputSource"); - } - -} Modified: trunk/foray/foray-core/src/java/org/foray/core/FOrayDocument.java =================================================================== --- trunk/foray/foray-core/src/java/org/foray/core/FOrayDocument.java 2006-07-19 01:19:31 UTC (rev 7796) +++ trunk/foray/foray-core/src/java/org/foray/core/FOrayDocument.java 2006-07-19 01:19:40 UTC (rev 7797) @@ -25,6 +25,8 @@ package org.foray.core; import org.foray.common.XMLParser; +import org.foray.common.sax.DocumentInputSource; +import org.foray.common.sax.DocumentReader; import org.axsl.areaW.AreaTreeFactory; import org.axsl.fontR.FontConsumer; This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site. |
