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/*
* 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.pdf.xref;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import static org.junit.Assert.assertArrayEquals;
import org.apache.fop.pdf.PDFDocument;
import org.apache.fop.pdf.PDFInfo;
import org.apache.fop.pdf.PDFPages;
import org.apache.fop.pdf.PDFRoot;
public abstract class CrossReferenceObjectTest {
protected static final int STARTXREF = 12345;
protected PDFDocument pdfDocument;
protected TrailerDictionary trailerDictionary;
private CrossReferenceObject crossReferenceObject;
@Before
public void setUp() throws UnsupportedEncodingException {
pdfDocument = new PDFDocument("Apache FOP");
Map<String, List<String>> filterMap = pdfDocument.getFilterMap();
filterMap.put("default", Arrays.asList("null"));
PDFRoot root = new PDFRoot(pdfDocument, new PDFPages(pdfDocument));
PDFInfo info = new PDFInfo();
info.setObjectNumber(2);
byte[] fileID =
new byte[] {0x01, 0x23, 0x45, 0x67, (byte) 0x89, (byte) 0xab, (byte) 0xcd, (byte) 0xef};
trailerDictionary = new TrailerDictionary(pdfDocument)
.setRoot(root)
.setInfo(info)
.setFileID(fileID, fileID);
}
protected void runTest() throws IOException {
crossReferenceObject = createCrossReferenceObject();
byte[] expected = createExpectedCrossReferenceData();
byte[] actual = createActualCrossReferenceData();
assertArrayEquals(expected, actual);
}
protected abstract CrossReferenceObject createCrossReferenceObject();
protected abstract byte[] createExpectedCrossReferenceData() throws IOException;
protected byte[] createActualCrossReferenceData() throws IOException {
ByteArrayOutputStream pdf = new ByteArrayOutputStream();
crossReferenceObject.output(pdf);
pdf.close();
return pdf.toByteArray();
}
protected byte[] getBytes(StringBuilder stringBuilder) {
return getBytes(stringBuilder.toString());
}
protected byte[] getBytes(String string) {
try {
return string.getBytes("US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
/**
* Outputs the given byte array to a file with the given name. Use for debugging
* purpose.
*/
protected void streamToFile(byte[] bytes, String filename) throws IOException {
OutputStream output = new FileOutputStream(filename);
output.write(bytes);
output.close();
}
}
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