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Diffstat (limited to 'src/main/java/com/lowagie/text/html/SAXmyHtmlHandler.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/html/SAXmyHtmlHandler.java | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/html/SAXmyHtmlHandler.java b/src/main/java/com/lowagie/text/html/SAXmyHtmlHandler.java new file mode 100644 index 0000000..76c2e6a --- /dev/null +++ b/src/main/java/com/lowagie/text/html/SAXmyHtmlHandler.java @@ -0,0 +1,293 @@ +/*
+ * $Id: SAXmyHtmlHandler.java,v 1.25 2006/03/23 09:51:50 blowagie Exp $
+ * $Name: $
+ *
+ * Copyright 2001, 2002 by Bruno Lowagie.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above. If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+
+package com.lowagie.text.html;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Properties;
+
+import org.xml.sax.Attributes;
+
+import com.lowagie.text.Cell;
+import com.lowagie.text.DocListener;
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.Element;
+import com.lowagie.text.ElementTags;
+import com.lowagie.text.ExceptionConverter;
+import com.lowagie.text.Paragraph;
+import com.lowagie.text.Table;
+import com.lowagie.text.html.HtmlTagMap;
+import com.lowagie.text.html.HtmlTags;
+import com.lowagie.text.pdf.BaseFont;
+import com.lowagie.text.xml.SAXiTextHandler;
+import com.lowagie.text.xml.XmlPeer;
+
+/**
+ * The <CODE>Tags</CODE>-class maps several XHTML-tags to iText-objects.
+ */
+
+public class SAXmyHtmlHandler extends SAXiTextHandler // SAXmyHandler
+{
+
+ /** These are the properties of the body section. */
+ private Properties bodyAttributes = new Properties();
+
+ /** This is the status of the table border. */
+ private boolean tableBorder = false;
+
+ /**
+ * Constructs a new SAXiTextHandler that will translate all the events
+ * triggered by the parser to actions on the <CODE>Document</CODE>-object.
+ *
+ * @param document
+ * this is the document on which events must be triggered
+ * @throws IOException
+ * @throws DocumentException
+ */
+
+ public SAXmyHtmlHandler(DocListener document)
+ throws DocumentException, IOException {
+ super(document, new HtmlTagMap());
+ }
+ /**
+ * Constructs a new SAXiTextHandler that will translate all the events
+ * triggered by the parser to actions on the <CODE>Document</CODE>-object.
+ *
+ * @param document
+ * this is the document on which events must be triggered
+ * @param bf
+ * @throws IOException
+ * @throws DocumentException
+ */
+
+ public SAXmyHtmlHandler(DocListener document, BaseFont bf)
+ throws DocumentException, IOException {
+ super(document, new HtmlTagMap(), bf);
+ }
+
+ /**
+ * Constructs a new SAXiTextHandler that will translate all the events
+ * triggered by the parser to actions on the <CODE>Document</CODE>-object.
+ *
+ * @param document
+ * this is the document on which events must be triggered
+ * @param htmlTags
+ * a tagmap translating HTML tags to iText tags
+ * @throws IOException
+ * @throws DocumentException
+ */
+
+ public SAXmyHtmlHandler(DocListener document, HashMap htmlTags)
+ throws DocumentException, IOException {
+ super(document, htmlTags);
+ }
+
+ /**
+ * This method gets called when a start tag is encountered.
+ *
+ * @param uri
+ * the Uniform Resource Identifier
+ * @param lname
+ * the local name (without prefix), or the empty string if
+ * Namespace processing is not being performed.
+ * @param name
+ * the name of the tag that is encountered
+ * @param attrs
+ * the list of attributes
+ */
+
+ public void startElement(String uri, String lname, String name,
+ Attributes attrs) {
+ // System.err.println("Start: " + name);
+
+ // super.handleStartingTags is replaced with handleStartingTags
+ // suggestion by Vu Ngoc Tan/Hop
+ name = name.toLowerCase();
+ if (((HtmlTagMap) myTags).isHtml(name)) {
+ // we do nothing
+ return;
+ }
+ if (((HtmlTagMap) myTags).isHead(name)) {
+ // we do nothing
+ return;
+ }
+ if (((HtmlTagMap) myTags).isTitle(name)) {
+ // we do nothing
+ return;
+ }
+ if (((HtmlTagMap) myTags).isMeta(name)) {
+ // we look if we can change the body attributes
+ String meta = null;
+ String content = null;
+ if (attrs != null) {
+ for (int i = 0; i < attrs.getLength(); i++) {
+ String attribute = attrs.getQName(i);
+ if (attribute.equalsIgnoreCase(HtmlTags.CONTENT))
+ content = attrs.getValue(i);
+ else if (attribute.equalsIgnoreCase(HtmlTags.NAME))
+ meta = attrs.getValue(i);
+ }
+ }
+ if (meta != null && content != null) {
+ bodyAttributes.put(meta, content);
+ }
+ return;
+ }
+ if (((HtmlTagMap) myTags).isLink(name)) {
+ // we do nothing for the moment, in a later version we could extract
+ // the style sheet
+ return;
+ }
+ if (((HtmlTagMap) myTags).isBody(name)) {
+ // maybe we could extract some info about the document: color,
+ // margins,...
+ // but that's for a later version...
+ XmlPeer peer = new XmlPeer(ElementTags.ITEXT, name);
+ peer.addAlias(ElementTags.TOP, HtmlTags.TOPMARGIN);
+ peer.addAlias(ElementTags.BOTTOM, HtmlTags.BOTTOMMARGIN);
+ peer.addAlias(ElementTags.RIGHT, HtmlTags.RIGHTMARGIN);
+ peer.addAlias(ElementTags.LEFT, HtmlTags.LEFTMARGIN);
+ String content = null;
+ bodyAttributes.putAll(peer.getAttributes(attrs));
+ handleStartingTags(peer.getTag(), bodyAttributes);
+ return;
+ }
+ if (myTags.containsKey(name)) {
+ XmlPeer peer = (XmlPeer) myTags.get(name);
+ if (Table.isTag(peer.getTag()) || Cell.isTag(peer.getTag())) {
+ Properties p = peer.getAttributes(attrs);
+ String value;
+ if (Table.isTag(peer.getTag())
+ && (value = p.getProperty(ElementTags.BORDERWIDTH)) != null) {
+ if (Float.valueOf(value + "f").floatValue() > 0) {
+ tableBorder = true;
+ }
+ }
+ if (tableBorder) {
+ p.put(ElementTags.LEFT, String.valueOf(true));
+ p.put(ElementTags.RIGHT, String.valueOf(true));
+ p.put(ElementTags.TOP, String.valueOf(true));
+ p.put(ElementTags.BOTTOM, String.valueOf(true));
+ }
+ handleStartingTags(peer.getTag(), p);
+ return;
+ }
+ handleStartingTags(peer.getTag(), peer.getAttributes(attrs));
+ return;
+ }
+ Properties attributes = new Properties();
+ if (attrs != null) {
+ for (int i = 0; i < attrs.getLength(); i++) {
+ String attribute = attrs.getQName(i).toLowerCase();
+ attributes.setProperty(attribute, attrs.getValue(i).toLowerCase());
+ }
+ }
+ handleStartingTags(name, attributes);
+ }
+
+ /**
+ * This method gets called when an end tag is encountered.
+ *
+ * @param uri
+ * the Uniform Resource Identifier
+ * @param lname
+ * the local name (without prefix), or the empty string if
+ * Namespace processing is not being performed.
+ * @param name
+ * the name of the tag that ends
+ */
+
+ public void endElement(String uri, String lname, String name) {
+ // System.err.println("End: " + name);
+ name = name.toLowerCase();
+ if (Paragraph.isTag(name)) {
+ try {
+ document.add((Element) stack.pop());
+ return;
+ } catch (DocumentException e) {
+ throw new ExceptionConverter(e);
+ }
+ }
+ if (((HtmlTagMap) myTags).isHead(name)) {
+ // we do nothing
+ return;
+ }
+ if (((HtmlTagMap) myTags).isTitle(name)) {
+ if (currentChunk != null) {
+ bodyAttributes.put(ElementTags.TITLE, currentChunk.content());
+ }
+ return;
+ }
+ if (((HtmlTagMap) myTags).isMeta(name)) {
+ // we do nothing
+ return;
+ }
+ if (((HtmlTagMap) myTags).isLink(name)) {
+ // we do nothing
+ return;
+ }
+ if (((HtmlTagMap) myTags).isBody(name)) {
+ // we do nothing
+ return;
+ }
+ if (myTags.containsKey(name)) {
+ XmlPeer peer = (XmlPeer) myTags.get(name);
+ if (Table.isTag(peer.getTag())) {
+ tableBorder = false;
+ }
+ super.handleEndingTags(peer.getTag());
+ return;
+ }
+ // super.handleEndingTags is replaced with handleEndingTags
+ // suggestion by Ken Auer
+ handleEndingTags(name);
+ }
+}
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