ContentStreamTransformer.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.adobe.internal.io.stream.InputByteStream
* com.adobe.internal.pdftoolkit.core.exceptions.PDFFontException
* com.adobe.internal.pdftoolkit.core.exceptions.PDFIOException
* com.adobe.internal.pdftoolkit.core.exceptions.PDFInvalidContentException
* com.adobe.internal.pdftoolkit.core.exceptions.PDFInvalidDocumentException
* com.adobe.internal.pdftoolkit.core.exceptions.PDFSecurityException
*/
package com.adobe.internal.pdftoolkit.pdf.contentmodify.impl;
import com.adobe.internal.io.stream.InputByteStream;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFFontException;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFIOException;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFInvalidContentException;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFInvalidDocumentException;
import com.adobe.internal.pdftoolkit.core.exceptions.PDFSecurityException;
import com.adobe.internal.pdftoolkit.pdf.content.Content;
import com.adobe.internal.pdftoolkit.pdf.content.ContentReader;
import com.adobe.internal.pdftoolkit.pdf.contentmodify.ContentWriter;
import com.adobe.internal.pdftoolkit.pdf.contentmodify.IContentStreamFilter;
import com.adobe.internal.pdftoolkit.pdf.contentmodify.IContentStreamReader;
import com.adobe.internal.pdftoolkit.pdf.contentmodify.impl.ContentStreamReader;
import com.adobe.internal.pdftoolkit.pdf.contentmodify.impl.ContentStreamWriter;
import com.adobe.internal.pdftoolkit.pdf.document.PDFContents;
import com.adobe.internal.pdftoolkit.pdf.document.PDFDocument;
import java.io.IOException;
public class ContentStreamTransformer {
private static void transform(ContentReader contentReader, ContentWriter contentWriter, IContentStreamFilter filter) throws PDFInvalidContentException, PDFInvalidDocumentException, PDFIOException, PDFSecurityException, PDFFontException {
ContentStreamReader reader = new ContentStreamReader();
filter.setParent(reader);
ContentStreamWriter sw = new ContentStreamWriter(contentWriter);
sw.setParent(filter);
sw.parse(contentReader);
}
public static InputByteStream transformContent(Content content, IContentStreamFilter filter) throws PDFInvalidDocumentException, PDFIOException, PDFSecurityException, PDFFontException {
ContentWriter contentWriter = ContentWriter.newInstance(content.getPDFDocument());
return ContentStreamTransformer.transformContent(content, filter, contentWriter);
}
/*
* WARNING - Removed try catching itself - possible behaviour change.
*/
public static InputByteStream transformContent(Content content, IContentStreamFilter filter, ContentWriter contentWriter) throws PDFInvalidDocumentException, PDFIOException, PDFSecurityException, PDFFontException {
ContentReader contentReader = null;
try {
contentReader = ContentReader.newInstance(content);
ContentStreamTransformer.transform(contentReader, contentWriter, filter);
}
finally {
if (contentReader != null) {
try {
contentReader.close();
}
catch (IOException e) {}
}
}
Content finalContent = contentWriter.close();
content.getContents().setContents(finalContent.getContentStream());
return finalContent.getContentStream();
}
}