/*
* 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.
*/
package org.apache.pdfbox.pdmodel.interactive.form;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.List;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class HandleDifferentDALevelsTest
{
private static final File OUT_DIR = new File("target/test-output");
private static final File IN_DIR = new File("src/test/resources/org/apache/pdfbox/pdmodel/interactive/form");
private static final String NAME_OF_PDF = "DifferentDALevels.pdf";
private PDDocument document;
private PDAcroForm acroForm;
@Before
public void setUp() throws IOException
{
document = PDDocument.load(new File(IN_DIR, NAME_OF_PDF));
acroForm = document.getDocumentCatalog().getAcroForm();
OUT_DIR.mkdirs();
// prefill the fields to generate the appearance streams
PDTextField field = (PDTextField) acroForm.getField("SingleAnnotation");
field.setValue("single annotation");
field = (PDTextField) acroForm.getField("MultipeAnnotations-SameLayout");
field.setValue("same layout");
field = (PDTextField) acroForm.getField("MultipleAnnotations-DifferentLayout");
field.setValue("different layout");
File file = new File(OUT_DIR, NAME_OF_PDF);
document.save(file);
}
@Test
public void checkSingleAnnotation() throws IOException
{
PDTextField field = (PDTextField) acroForm.getField("SingleAnnotation");
String fieldFontSetting = getFontSettingFromDA(field);
List<PDAnnotationWidget> widgets = field.getWidgets();
for (PDAnnotationWidget widget : widgets)
{
String contentAsString = new String(widget.getNormalAppearanceStream().getContentStream().toByteArray());
assertTrue(contentAsString.indexOf(fieldFontSetting) > 0);
}
}
@Test
public void checkSameLayout() throws IOException
{
PDTextField field = (PDTextField) acroForm.getField("MultipeAnnotations-SameLayout");
String fieldFontSetting = getFontSettingFromDA(field);
List<PDAnnotationWidget> widgets = field.getWidgets();
for (PDAnnotationWidget widget : widgets)
{
String contentAsString = new String(widget.getNormalAppearanceStream().getContentStream().toByteArray());
assertTrue("font setting in content stream shall be " + fieldFontSetting, contentAsString.indexOf(fieldFontSetting) > 0);
}
}
// TODO: enable the test after issue 3687 has been fixed
@Test
public void checkDifferentLayout() throws IOException
{
PDTextField field = (PDTextField) acroForm.getField("MultipleAnnotations-DifferentLayout");
String fieldFontSetting = getFontSettingFromDA(field);
List<PDAnnotationWidget> widgets = field.getWidgets();
for (PDAnnotationWidget widget : widgets)
{
String widgetFontSetting = getFontSettingFromDA(widget);
String fontSetting = widgetFontSetting == null ? fieldFontSetting : widgetFontSetting;
String contentAsString = new String(widget.getNormalAppearanceStream().getContentStream().toByteArray());
assertTrue("font setting in content stream shall be " + fontSetting, contentAsString.indexOf(fontSetting) > 0);
}
}
@After
public void tearDown() throws IOException
{
document.close();
}
private String getFontSettingFromDA(PDTextField field)
{
String defaultAppearance = field.getDefaultAppearance();
// get the font setting from the default appearance string
return defaultAppearance.substring(0, defaultAppearance.lastIndexOf("Tf")+2);
}
private String getFontSettingFromDA(PDAnnotationWidget widget)
{
String defaultAppearance = widget.getCOSObject().getString(COSName.DA);
if (defaultAppearance != null)
{
return defaultAppearance.substring(0, defaultAppearance.lastIndexOf("Tf")+2);
}
return defaultAppearance;
}
}