cant display gif/jpeg in JEditorPane ?

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posted 22 years ago

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Can someone please tell me how to do this ?
I am using jdk1.4 using full directory path
I am using following code
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String text = "<html>\n" + "hi my name is sarim\n" + "<img src=\"/home/masters/2001/sr1305/tomcat/webapps/ROOT/myadmin/graphs/copy.gif\" width=200 height=200></img>";
editorPane = new JEditorPane(type, text);
it shows the font, but shows an empty icon in place of the image....
I have included the full absolute path to the image folder
thanks

Nathan Pruett

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Posts: 4121

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posted 22 years ago

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I figured it out... the IMG tag can only take the URL of the image... you are giving it a path to the image... here's an example of what to do :

import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
public class EditPicTest extends JFrame {

private JEditorPane edit;

public EditPicTest() {
super( "JEditorPane - IMG tag test" );
URL graphicURL = null;
StringBuffer text = new StringBuffer( "<html><body>\n" );

try {
File file = new File( "/home/masters/2001/sr1305/tomcat/webapps/ROOT/myadmin/graphs/copy.gif" );
graphicURL = file.toURL();
text.append( "hi my name is sarim\n" );
text.append( "<img src=\"" );
text.append( graphicURL );
text.append( "\"></img>\n" );
}
catch ( MalformedURLException x ) {
text.append( "There was an error loading the file " );
text.append( graphicURL );
text.append( "\n" );
}
text.append( "</body></html>" );
edit = new JEditorPane( "text/html", text.toString() );
JScrollPane scroll = new JScrollPane( edit );
getContentPane().add( scroll );
setDefaultCloseOperation( EXIT_ON_CLOSE );
setSize( 300, 400 );
setVisible( true );
}
public static void main(String[] args) {
new EditPicTest();
}
}

I did find one problem with this though... if you are on a windows system and the file is in any directory or subdirectory that has a space in the name, the generated URL doesn't work... you'd probably have to parse the URL and change all spaces to %20 or something...

-Nate
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