GibsonParser.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.adobe.fontengine.font.Base14
* com.adobe.fontengine.font.Font
* com.adobe.fontengine.fontmanagement.FontResolutionPriority
* com.adobe.internal.io.ByteReader
* com.adobe.internal.io.RandomAccessFileByteReader
* com.adobe.internal.pdftoolkit.core.exceptions.PDFException
* com.adobe.internal.pdftoolkit.core.fontset.PDFFontSet
* com.adobe.internal.pdftoolkit.core.fontset.impl.PDFFontSetImpl
* com.adobe.internal.pdftoolkit.pdf.document.PDFDocument
* com.adobe.internal.pdftoolkit.pdf.document.PDFOpenOptions
* com.adobe.internal.pdftoolkit.pdf.interactive.annotation.PDFAnnotation
* com.adobe.internal.pdftoolkit.pdf.interactive.annotation.PDFAnnotationIterator
* com.adobe.internal.pdftoolkit.pdf.interactive.annotation.PDFAnnotationMarkup
* com.adobe.internal.pdftoolkit.pdf.page.PDFPage
* com.adobe.internal.pdftoolkit.pdf.page.PDFPageTree
* com.adobe.internal.pdftoolkit.services.readingorder.ReadingOrderTextExtractor
* com.adobe.internal.pdftoolkit.services.textextraction.ParagraphIterator
* com.adobe.internal.pdftoolkit.services.textextraction.Word
* com.adobe.internal.pdftoolkit.services.xmp.DocumentMetadata
* com.adobe.internal.pdftoolkit.services.xmp.XMPService
* org.apache.tika.exception.TikaException
* org.apache.tika.io.IOExceptionWithCause
* org.apache.tika.io.TemporaryResources
* org.apache.tika.io.TikaInputStream
* org.apache.tika.metadata.Metadata
* org.apache.tika.metadata.PagedText
* org.apache.tika.metadata.Property
* org.apache.tika.mime.MediaType
* org.apache.tika.parser.AbstractParser
* org.apache.tika.parser.ParseContext
* org.apache.tika.sax.XHTMLContentHandler
*/
package com.adobe.granite.gibson;
import com.adobe.fontengine.font.Base14;
import com.adobe.fontengine.font.Font;
import com.adobe.fontengine.fontmanagement.FontResolutionPriority;
import com.adobe.internal.io.ByteReader;
import com.adobe.internal.io.RandomAccessFileByteReader;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFException;
import com.adobe.internal.pdftoolkit.core.fontset.PDFFontSet;
import com.adobe.internal.pdftoolkit.core.fontset.impl.PDFFontSetImpl;
import com.adobe.internal.pdftoolkit.pdf.document.PDFDocument;
import com.adobe.internal.pdftoolkit.pdf.document.PDFOpenOptions;
import com.adobe.internal.pdftoolkit.pdf.interactive.annotation.PDFAnnotation;
import com.adobe.internal.pdftoolkit.pdf.interactive.annotation.PDFAnnotationIterator;
import com.adobe.internal.pdftoolkit.pdf.interactive.annotation.PDFAnnotationMarkup;
import com.adobe.internal.pdftoolkit.pdf.page.PDFPage;
import com.adobe.internal.pdftoolkit.pdf.page.PDFPageTree;
import com.adobe.internal.pdftoolkit.services.readingorder.ReadingOrderTextExtractor;
import com.adobe.internal.pdftoolkit.services.textextraction.ParagraphIterator;
import com.adobe.internal.pdftoolkit.services.textextraction.Word;
import com.adobe.internal.pdftoolkit.services.xmp.DocumentMetadata;
import com.adobe.internal.pdftoolkit.services.xmp.XMPService;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.apache.tika.exception.TikaException;
import org.apache.tika.io.IOExceptionWithCause;
import org.apache.tika.io.TemporaryResources;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.PagedText;
import org.apache.tika.metadata.Property;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.AbstractParser;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.sax.XHTMLContentHandler;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
public class GibsonParser
extends AbstractParser {
private static final long serialVersionUID = 1776775061856503811L;
private static final Font[] mBase14Fonts = new Font[]{Base14.courierBold, Base14.courierBoldOblique, Base14.courierOblique, Base14.courierRegular, Base14.helveticaBold, Base14.helveticaBoldOblique, Base14.helveticaOblique, Base14.helveticaRegular, Base14.symbol, Base14.timesBold, Base14.timesBoldItalic, Base14.timesItalic, Base14.timesRegular, Base14.zapfDingbats};
private static final PDFFontSet pdfFontSet = GibsonParser.getBase14FontSet();
private static final MediaType PDF = MediaType.application((String)"pdf");
private boolean extractAnnotationText = true;
private static PDFFontSet getBase14FontSet() {
try {
PDFFontSetImpl pdfFontSet = new PDFFontSetImpl();
pdfFontSet.setResolutionPriority(FontResolutionPriority.LAST);
for (int idxFont = 0; idxFont < mBase14Fonts.length; ++idxFont) {
pdfFontSet.addFont(mBase14Fonts[idxFont]);
}
if (!pdfFontSet.hasRootFallback()) {
pdfFontSet.addFallbackFont(PDFDocument.ROOT_LOCALE, Base14.courierRegular);
}
return pdfFontSet;
}
catch (Exception e) {
throw new IllegalStateException("Internal error with built-in base 14 fonts", e);
}
}
public Set<MediaType> getSupportedTypes(ParseContext context) {
return Collections.singleton(PDF);
}
public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException {
TemporaryResources tmp = new TemporaryResources();
try {
TikaInputStream tis = TikaInputStream.get((InputStream)stream, (TemporaryResources)tmp);
RandomAccessFile file = new RandomAccessFile(tis.getFile(), "r");
tmp.addResource((Closeable)file);
RandomAccessFileByteReader reader = new RandomAccessFileByteReader(file);
tmp.addResource(new Closeable((ByteReader)reader){
final /* synthetic */ ByteReader val$reader;
public void close() throws IOException {
this.val$reader.close();
}
});
final PDFDocument document = PDFDocument.newInstance((ByteReader)reader, (PDFOpenOptions)PDFOpenOptions.newInstance());
tmp.addResource(new Closeable(){
public void close() throws IOException {
try {
document.close();
}
catch (PDFException e) {
throw new IOExceptionWithCause((Throwable)e);
}
}
});
metadata.set("Content-Type", PDF.toString());
this.extractMetadata(document, metadata);
ReadingOrderTextExtractor extractor = ReadingOrderTextExtractor.newInstance((PDFDocument)document, (PDFFontSet)pdfFontSet);
XHTMLContentHandler xhtml = new XHTMLContentHandler(handler, metadata);
xhtml.startDocument();
for (PDFPage page : document.requirePages()) {
xhtml.startElement("div", "class", "page");
xhtml.startElement("p");
ParagraphIterator iterator = extractor.getParagraphIterator(page, page.getIndex());
while (iterator.hasNext()) {
xhtml.startElement("p");
List lines = iterator.next();
for (List line : lines) {
for (Word word : line) {
xhtml.characters(word.toString());
}
xhtml.characters("\n");
}
xhtml.endElement("p");
}
xhtml.endElement("p");
if (this.extractAnnotationText) {
xhtml.startElement("div", "class", "annotation");
PDFAnnotationIterator annotsIterator = page.getAnnotationsIterator();
while (annotsIterator.hasNext()) {
String subject;
String contents;
PDFAnnotation annot = annotsIterator.next();
if (!(annot instanceof PDFAnnotationMarkup)) continue;
PDFAnnotationMarkup markupAnnot = (PDFAnnotationMarkup)annot;
String title = markupAnnot.getTitle();
if (title != null) {
xhtml.startElement("p", "class", "annotationTitle");
xhtml.characters(title);
xhtml.endElement("p");
}
if ((subject = markupAnnot.getSubject()) != null) {
xhtml.startElement("p", "class", "annotationSubject");
xhtml.characters(subject);
xhtml.endElement("p");
}
if ((contents = markupAnnot.getContents()) == null) continue;
xhtml.startElement("p", "class", "annotationContents");
xhtml.characters(contents);
xhtml.endElement("p");
}
xhtml.endElement("div");
}
xhtml.endElement("div");
}
xhtml.endDocument();
}
catch (PDFException e) {
throw new TikaException("PDF parse error", (Throwable)e);
}
finally {
tmp.close();
}
}
private void extractMetadata(PDFDocument document, Metadata metadata) {
try {
DocumentMetadata info = XMPService.getDocumentMetadata((PDFDocument)document);
metadata.set(PagedText.N_PAGES, document.requirePages().getCount());
metadata.set(Metadata.CREATION_DATE, info.getCreationDate());
metadata.set(Metadata.LAST_MODIFIED, info.getModificationDate());
this.addMetadata(metadata, "title", info.getTitle());
this.addMetadata(metadata, "Author", info.getAuthor());
this.addMetadata(metadata, "creator", info.getCreator());
this.addMetadata(metadata, "Keywords", info.getKeywordsAsString());
this.addMetadata(metadata, "producer", info.getProducer());
this.addMetadata(metadata, "subject", info.getSubject());
this.addMetadata(metadata, "trapped", info.getTrapped());
List<String> handledMetadata = Arrays.asList("Author", "Creator", "CreationDate", "ModDate", "Keywords", "Producer", "Subject", "Title", "Trapped");
List customPropertyNames = info.getCustomPropertyNames();
if (customPropertyNames != null && customPropertyNames.size() > 0) {
for (String name : info.getCustomPropertyNames()) {
if (handledMetadata.contains(name)) continue;
this.addMetadata(metadata, name, info.getCustomProperty(name));
}
}
}
catch (PDFException e) {
// empty catch block
}
}
private void addMetadata(Metadata metadata, String name, String value) {
if (value != null) {
metadata.add(name, value);
}
}
}