| /* |
| * 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.render.extensions; |
| |
| import java.awt.Dimension; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import javax.xml.transform.Result; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.sax.SAXResult; |
| import javax.xml.transform.stream.StreamResult; |
| import javax.xml.transform.stream.StreamSource; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import org.apache.xmlgraphics.util.QName; |
| |
| import org.apache.fop.accessibility.StructureTreeElement; |
| import org.apache.fop.apps.FOUserAgent; |
| import org.apache.fop.apps.FopFactory; |
| import org.apache.fop.apps.MimeConstants; |
| import org.apache.fop.fonts.FontInfo; |
| import org.apache.fop.pdf.PDFLinearizationTestCase; |
| import org.apache.fop.pdf.PDFVTTestCase; |
| import org.apache.fop.render.intermediate.IFContext; |
| import org.apache.fop.render.intermediate.IFDocumentHandler; |
| import org.apache.fop.render.intermediate.IFException; |
| import org.apache.fop.render.intermediate.IFParser; |
| import org.apache.fop.render.intermediate.IFUtil; |
| import org.apache.fop.render.intermediate.extensions.AbstractAction; |
| import org.apache.fop.render.intermediate.extensions.Bookmark; |
| import org.apache.fop.render.intermediate.extensions.BookmarkTree; |
| import org.apache.fop.render.intermediate.extensions.DocumentNavigationExtensionConstants; |
| import org.apache.fop.render.intermediate.extensions.DocumentNavigationHandler; |
| import org.apache.fop.render.intermediate.extensions.GoToXYAction; |
| import org.apache.fop.render.pdf.PDFDocumentHandler; |
| import org.apache.fop.render.pdf.PDFDocumentNavigationHandler; |
| |
| public class DocumentNavigationHandlerTestCase { |
| @Test |
| public void testGotoXY() throws SAXException, IFException { |
| FOUserAgent ua = FopFactory.newInstance(new File(".").toURI()).newFOUserAgent(); |
| PDFDocumentHandler documentHandler = new PDFDocumentHandler(new IFContext(ua)); |
| documentHandler.setResult(new StreamResult(new ByteArrayOutputStream())); |
| documentHandler.setFontInfo(new FontInfo()); |
| documentHandler.startDocument(); |
| |
| documentHandler.startPage(0, "", "", new Dimension()); |
| documentHandler.endPage(); |
| |
| int currentPage = 1; |
| documentHandler.startPage(currentPage, "", "", new Dimension()); |
| final List<GoToXYAction> goToXYActions = new ArrayList<GoToXYAction>(); |
| PDFDocumentNavigationHandler pdfDocumentNavigationHandler = new PDFDocumentNavigationHandler(documentHandler) { |
| public void addResolvedAction(AbstractAction action) throws IFException { |
| super.addResolvedAction(action); |
| goToXYActions.add((GoToXYAction) action); |
| } |
| }; |
| DocumentNavigationHandler navigationHandler = new DocumentNavigationHandler(pdfDocumentNavigationHandler, |
| new HashMap<String, StructureTreeElement>(), new HashMap<String, GoToXYAction>()); |
| QName xy = DocumentNavigationExtensionConstants.GOTO_XY; |
| Attributes attributes = mock(Attributes.class); |
| when(attributes.getValue("page-index")).thenReturn("0"); |
| when(attributes.getValue("x")).thenReturn("0"); |
| when(attributes.getValue("y")).thenReturn("0"); |
| navigationHandler.startElement(xy.getNamespaceURI(), xy.getLocalName(), null, attributes); |
| navigationHandler.endElement(xy.getNamespaceURI(), xy.getLocalName(), null); |
| documentHandler.endPage(); |
| |
| //Since user may merge IF files we want to use current page |
| Assert.assertEquals(goToXYActions.get(0).getPageIndex(), currentPage); |
| } |
| |
| @Test |
| public void testGotoXYMergedIF() throws Exception { |
| InputStream ifXml = getClass().getResourceAsStream("link.if.xml"); |
| ByteArrayOutputStream pdf = iFToPDF(ifXml); |
| Assert.assertTrue(pdf.toString().contains("/S /GoTo")); |
| } |
| |
| private ByteArrayOutputStream iFToPDF(InputStream is) throws Exception { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| FOUserAgent userAgent = FopFactory.newInstance(new File(".").toURI()).newFOUserAgent(); |
| Transformer transformer = TransformerFactory.newInstance().newTransformer(); |
| Source src = new StreamSource(is); |
| IFDocumentHandler documentHandler |
| = userAgent.getRendererFactory().createDocumentHandler(userAgent, MimeConstants.MIME_PDF); |
| documentHandler.setResult(new StreamResult(out)); |
| IFUtil.setupFonts(documentHandler); |
| IFParser parser = new IFParser(); |
| Result res = new SAXResult(parser.getContentHandler(documentHandler, userAgent)); |
| transformer.transform(src, res); |
| return out; |
| } |
| |
| @Test |
| public void testGotoXYPrevousPage() throws SAXException, IFException, IOException { |
| FOUserAgent ua = FopFactory.newInstance(new File(".").toURI()).newFOUserAgent(); |
| PDFDocumentHandler documentHandler = new PDFDocumentHandler(new IFContext(ua)); |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| documentHandler.setResult(new StreamResult(bos)); |
| documentHandler.setFontInfo(new FontInfo()); |
| documentHandler.startDocument(); |
| |
| documentHandler.startPage(0, "", "", new Dimension()); |
| documentHandler.endPage(); |
| |
| documentHandler.startPage(1, "", "", new Dimension()); |
| final List<GoToXYAction> goToXYActions = new ArrayList<GoToXYAction>(); |
| PDFDocumentNavigationHandler pdfDocumentNavigationHandler = new PDFDocumentNavigationHandler(documentHandler) { |
| public void addResolvedAction(AbstractAction action) throws IFException { |
| super.addResolvedAction(action); |
| goToXYActions.add((GoToXYAction) action); |
| } |
| }; |
| DocumentNavigationHandler navigationHandler = new DocumentNavigationHandler(pdfDocumentNavigationHandler, |
| new HashMap<String, StructureTreeElement>(), new HashMap<String, GoToXYAction>()); |
| QName xy = DocumentNavigationExtensionConstants.GOTO_XY; |
| Attributes attributes = mock(Attributes.class); |
| when(attributes.getValue("page-index")).thenReturn("0"); |
| when(attributes.getValue("page-index-relative")).thenReturn("-1"); |
| when(attributes.getValue("x")).thenReturn("0"); |
| when(attributes.getValue("y")).thenReturn("0"); |
| navigationHandler.startElement(xy.getNamespaceURI(), xy.getLocalName(), null, attributes); |
| navigationHandler.endElement(xy.getNamespaceURI(), xy.getLocalName(), null); |
| documentHandler.endPage(); |
| documentHandler.endDocument(); |
| |
| Assert.assertEquals(goToXYActions.get(0).getPageIndex(), 0); |
| |
| Collection<StringBuilder> objs = PDFLinearizationTestCase.readObjs( |
| new ByteArrayInputStream(bos.toByteArray())).values(); |
| String pages = PDFVTTestCase.getObj(objs, "/Type /Pages"); |
| String action = PDFVTTestCase.getObj(objs, "/Type /Action"); |
| String pageRef = action.split("\\[")[1].split(" /XYZ")[0]; |
| Assert.assertTrue(pageRef.endsWith(" 0 R")); |
| Assert.assertTrue(pages.contains("/Kids [" + pageRef)); |
| } |
| |
| @Test |
| public void testGotoXYUniqueLinks() throws IFException, SAXException { |
| FOUserAgent ua = FopFactory.newInstance(new File(".").toURI()).newFOUserAgent(); |
| PDFDocumentHandler documentHandler = new PDFDocumentHandler(new IFContext(ua)); |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| documentHandler.setResult(new StreamResult(bos)); |
| documentHandler.setFontInfo(new FontInfo()); |
| documentHandler.startDocument(); |
| |
| PDFDocumentNavigationHandler pdfDocumentNavigationHandler = new PDFDocumentNavigationHandler(documentHandler); |
| DocumentNavigationHandler navigationHandler = new DocumentNavigationHandler(pdfDocumentNavigationHandler, |
| new HashMap<String, StructureTreeElement>(), new HashMap<String, GoToXYAction>()); |
| QName xy = DocumentNavigationExtensionConstants.GOTO_XY; |
| |
| Attributes attributes = mock(Attributes.class); |
| when(attributes.getValue("page-index")).thenReturn("0"); |
| when(attributes.getValue("x")).thenReturn("0"); |
| when(attributes.getValue("y")).thenReturn("0"); |
| |
| documentHandler.startPage(0, "", "", new Dimension()); |
| navigationHandler.startElement(xy.getNamespaceURI(), xy.getLocalName(), null, attributes); |
| navigationHandler.endElement(xy.getNamespaceURI(), xy.getLocalName(), null); |
| documentHandler.endPage(); |
| documentHandler.startPage(1, "", "", new Dimension()); |
| navigationHandler.startElement(xy.getNamespaceURI(), xy.getLocalName(), null, attributes); |
| navigationHandler.endElement(xy.getNamespaceURI(), xy.getLocalName(), null); |
| documentHandler.endPage(); |
| |
| Iterator<String> i = Arrays.asList(bos.toString().split("\n")).iterator(); |
| List<String> pageLink = new ArrayList<String>(); |
| while (i.hasNext()) { |
| if (i.next().equals("/S /GoTo")) { |
| pageLink.add(i.next()); |
| } |
| } |
| Assert.assertEquals(pageLink.size(), 2); |
| Assert.assertFalse(pageLink.get(0).equals(pageLink.get(1))); |
| } |
| |
| @Test |
| public void testBookmarkGotoXY() throws SAXException, IFException { |
| FOUserAgent ua = FopFactory.newInstance(new File(".").toURI()).newFOUserAgent(); |
| PDFDocumentHandler documentHandler = new PDFDocumentHandler(new IFContext(ua)); |
| documentHandler.setResult(new StreamResult(new ByteArrayOutputStream())); |
| documentHandler.setFontInfo(new FontInfo()); |
| documentHandler.startDocument(); |
| |
| documentHandler.startPage(0, "", "", new Dimension()); |
| documentHandler.endPage(); |
| |
| int currentPage = 1; |
| documentHandler.startPage(currentPage, "", "", new Dimension()); |
| |
| final List<BookmarkTree> trees = new ArrayList<BookmarkTree>(); |
| PDFDocumentNavigationHandler pdfDocumentNavigationHandler = new PDFDocumentNavigationHandler(documentHandler) { |
| public void renderBookmarkTree(BookmarkTree tree) throws IFException { |
| trees.add(tree); |
| } |
| }; |
| DocumentNavigationHandler navigationHandler = new DocumentNavigationHandler(pdfDocumentNavigationHandler, |
| new HashMap<String, StructureTreeElement>(), new HashMap<String, GoToXYAction>()); |
| Attributes attributes = mock(Attributes.class); |
| when(attributes.getValue("page-index")).thenReturn("0"); |
| when(attributes.getValue("x")).thenReturn("0"); |
| when(attributes.getValue("y")).thenReturn("0"); |
| |
| for (QName q : Arrays.asList(DocumentNavigationExtensionConstants.BOOKMARK_TREE, |
| DocumentNavigationExtensionConstants.BOOKMARK, |
| DocumentNavigationExtensionConstants.GOTO_XY)) { |
| navigationHandler.startElement(q.getNamespaceURI(), q.getLocalName(), null, attributes); |
| } |
| for (QName q : Arrays.asList(DocumentNavigationExtensionConstants.GOTO_XY, |
| DocumentNavigationExtensionConstants.BOOKMARK, |
| DocumentNavigationExtensionConstants.BOOKMARK_TREE)) { |
| navigationHandler.endElement(q.getNamespaceURI(), q.getLocalName(), null); |
| } |
| |
| documentHandler.endPage(); |
| |
| Bookmark b = (Bookmark) trees.get(0).getBookmarks().get(0); |
| GoToXYAction a = (GoToXYAction) b.getAction(); |
| Assert.assertEquals(a.getPageIndex(), 0); |
| } |
| } |