This has already been answered. You need to include commons-log.
Tilman
Am 20.05.2019 um 08:15 schrieb gaurav mundhada:
I am trying to use pdfbox for my java program while using it i was facing
error.
I was supposed to open the pdfbox in jpanel in java swing but i was getting
as output was only a screen and on my netbean output console.
do you have any example or document regarding how to use the pdfbox.
HERE is code :
import java.awt.*;
import java.lang.reflect.*;
import java.util.List;
import javax.swing.*;
import org.apache.pdfbox.PDFReader;
import org.apache.pdfbox.pdfviewer.PageWrapper;
import org.apache.pdfbox.pdmodel.PDPage;
public class CustomPDFReader extends PDFReader {
/**
*
*/
private static final long serialVersionUID = 678451510308887925L;
public CustomPDFReader() {
super();
}
public void setCurrentFile(String file) {
try {
Method m =
getClass().getSuperclass().getDeclaredMethod("openPDFFile",
new Class<?>[]{String.class, String.class});
m.setAccessible(true);
m.invoke(this,file,null);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String []args) {
CustomPDFReader reader = new CustomPDFReader();
// remove menubar
JMenuBar menu = reader.getJMenuBar();
menu.setVisible(false);
JPanel header = new JPanel(new BorderLayout());
JPanel firstLine = new JPanel();
JLabel label = new JLabel("Label");
firstLine.add(label);
JPanel secondLine = new JPanel();
JTextField text = new JTextField();
text.setPreferredSize(new Dimension(100, 30));
secondLine.add(text);
JButton button = new JButton("Button");
button.setPreferredSize(new Dimension(100, 30));
secondLine.add(button);
header.add(firstLine, java.awt.BorderLayout.NORTH);
header.add(secondLine, java.awt.BorderLayout.SOUTH);
reader.getContentPane().add(header, java.awt.BorderLayout.NORTH);
// set default opened file
reader.setCurrentFile("110004336_06.pdf");
reader.showAllPages();
reader.setVisible(true);
}
private void showAllPages() {
try {
Field pages = getClass().getSuperclass().getDeclaredField("pages");
pages.setAccessible(true);
List<PDPage> pagesList = (List<PDPage>) pages.get(this);
Field documentPanel =
getClass().getSuperclass().getDeclaredField("documentPanel");
documentPanel.setAccessible(true);
JPanel panel = (JPanel) documentPanel.get(this);
panel.remove(0);
GridLayout layout = new GridLayout(0, 1);
panel.setLayout(layout);
for(PDPage page : pagesList) {
PageWrapper wrapper = new PageWrapper(this);
wrapper.displayPage(page);
panel.add(wrapper.getPanel());
}
pack();
} catch(Exception e) {
e.printStackTrace();
}
}
}
OUTPUT :
1
2
java.lang.reflect.InvocationTargetException
3
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
4
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at SimpleApplication.setCurrentFile(SimpleApplication.java:34)
at SimpleApplication.main(SimpleApplication.java:71)
Caused by: java.lang.NoClassDefFoundError:
org/apache/commons/logging/LogFactory
at
org.apache.pdfbox.pdmodel.PDDocument.<clinit>(PDDocument.java:97)
at org.apache.pdfbox.PDFReader.parseDocument(PDFReader.java:393)
at org.apache.pdfbox.PDFReader.openPDFFile(PDFReader.java:330)
... 6 more
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.logging.LogFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 9 more
java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
at java.awt.Container.remove(Container.java:1205)
at SimpleApplication.showAllPages(SimpleApplication.java:88)
at SimpleApplication.main(SimpleApplication.java:73)
BUILD SUCCESSFUL (total time: 5 seconds)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
