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i just want to extract information from flash files using java....i hope we can read the headers and data part of flash files ....is this possible?
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Yes it's certainly possible; you will need to study the File Structure[^] to help you.
Just say 'NO' to evaluated arguments for diadic functions! Ash
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This is disgusting!
If you do not read our answers, do not check the links we hand in, it is no more worth investing a single moment.
Thanks for waisting my time.
regards,
Torsten
I never finish anyth...
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Have you tried google? It brings up quite a few entries for "java swf" including several tools to manipulate swf files from within java. Which of those have you tried?
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i got one program m wrkin on it....m pasting it below....this is to read the contents of swf files
****************************************************************/
package com.anotherbigidea.flash.readers;
import java.io.*;
import com.anotherbigidea.io.*;
import com.anotherbigidea.flash.structs.Rect;
import com.anotherbigidea.flash.*;
import com.anotherbigidea.flash.interfaces.*;
import com.anotherbigidea.flash.writers.SWFWriter;
/**
* Reads a SWF input stream and drives the SWFConsumer interface.
*/
public class SWFReader
{
protected SWFTags consumer;
protected InStream in;
protected InputStream inputstream;
public SWFReader( SWFTags consumer, InputStream inputstream )
{
this.consumer = consumer;
this.inputstream = inputstream;
this.in = new InStream( inputstream );
}
public SWFReader( SWFTags consumer, InStream instream )
{
this.consumer = consumer;
this.in = instream;
}
/**
* Drive the consumer by reading a SWF File - including the header and all tags
*/
public void readFile() throws IOException
{
readHeader();
readTags();
}
/**
* Drive the consumer by reading SWF tags only
*/
public void readTags() throws IOException
{
while( readOneTag() != SWFConstants.TAG_END );
}
/**
* Drive the consumer by reading one tag
* @return the tag type
*/
public int readOneTag() throws IOException
{
int header = in.readUI16();
int type = header >> 6; //only want the top 10 bits
int length = header & 0x3F; //only want the bottom 6 bits
boolean longTag = (length == 0x3F);
if( longTag )
{
length = (int)in.readUI32();
}
byte[] contents = in.read( length );
consumer.tag( type, longTag, contents );
return type;
}
/**
* Only read the SWF file header
*/
public void readHeader() throws IOException
{
//--Verify File Signature
if( ( in.readUI8() != 0x46 ) || // "F"
( in.readUI8() != 0x57 ) || // "W"
( in.readUI8() != 0x53 ) ) // "S"
{
throw new IOException( "Invalid SWF File Signature" );
}
int version = in.readUI8();
long length = in.readUI32();
Rect frameSize = new Rect( in );
int frameRate = in.readUI16() >> 8;
int frameCount = in.readUI16();
consumer.header( version, length,
frameSize.getMaxX(), frameSize.getMaxY(),
frameRate, frameCount );
}
public static void main( String[] args ) throws IOException
{
SWFWriter writer = new SWFWriter( System.out );
SWFReader reader = new SWFReader( writer, System.in );
reader.readFile();
System.out.flush();
}
}
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the program above shows error regarding invalid file structure...i tried 3-4 files but it shows same error
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nachiket dave wrote: the program above shows error regarding invalid file structure...i tried 3-4 files but it shows same error
That is a fairly good indication that your code is wrong. Go back and check the file structure and make sure that your code is extracting the correct size fields from it.
Just say 'NO' to evaluated arguments for diadic functions! Ash
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hello friends in my project i have an arraylist showing results in a jsp page table of given contents of database, i want to add a filter to it to show only the matched contents from list,
the table which is coming out is as:
student_id class_id student_name
1x0001 10 Ashish
1x2001 11 Anurag
1x2002 11 Arpit
1x0001 10 Alok
.............going on...
but i want the result to display page only for class_id::11 and remove other results how to do that?
greatest things can be achieved with small but innocent ideas
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easy..
i think you're setting the table via a TableModel:
new AbstractTableModel() {
public String getColumnName(int col) {
return columnNames[col].toString();
}
public int getRowCount() { return rowData.length; }
public int getColumnCount() { return columnNames.length; }
public Object getValueAt(int row, int col) {
return rowData[row][col];
}
public boolean isCellEditable(int row, int col)
{ return true; }
public void setValueAt(Object value, int row, int col) {
rowData[row][col] = value;
fireTableCellUpdated(row, col);
}
}
- While filling the table you can select the rows to be added to the table by a simple mechanism. This would not modify the ArrayList.
- Also you can set up a filtered, temporary ArrayList and give that one to the table.
- check this filtering @ oracle.com JAVA tutorials
Choose your way and keep things easy (comments help...)
regards,
Torsten
I never finish anyth...
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well just to be clear, this question is not related to swing its related to servlet J2EE,
A very similar example of my case is here link[^] which is returning only names and id of people but in my case its name ,id, class id thus i have to filter the data as per my needs,
anyways i am going to see the arraylist sorting method in your given link.
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Hello Everyone,
I have been recently tasked to pick up java relatively quickly and have been scouring message boards and search engines in search of finding the best medium to teach myself java. I do have some front end dev experience but haven’t used it in years and been earning my keep in software quality. I apologize if this has been answered recently. I did search thru this message board a bit, but my findings were geared towards folks who already know java and were looking to expand on something in particular.
Does anyone out there have a preferred online tutorial/course or book? Thank you for your time!
Best,
-Alan
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If you have been using search engines you must surely have come across this[^].
Just say 'NO' to evaluated arguments for diadic functions! Ash
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Of course I found that. I was looking to see what options the community found to be more helpful than others
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alrubi00 wrote: Of course I found that.
Well perhaps you should have mentioned it in your first message.
Just say 'NO' to evaluated arguments for diadic functions! Ash
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I think you replied to the wrong message old chap.
Just say 'NO' to evaluated arguments for diadic functions! Ash
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yup you are right switching between to many forums is sometimes very confusing
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Get yourself a good book - check out amazon or buy it in a shop where you can read a bit and see if the book is the right one for you.
Books are more simple to use when learning a language - you can take a look while coding remains on the screen.
regards,
Torsten
I never finish anyth...
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then why dont you try here it have almost everything you need until you need something very specific here[^]
also there is a good book name complete reference by it..
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I would iterate, reading lines as String s and checking using String.matches(String regex) , no need to convert to char arrays, etc.
CQ de W5ALT
Walt Fair, Jr., P. E.
Comport Computing
Specializing in Technical Engineering Software
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Take a look at the String.substring() and String.toupper() methods.
CQ de W5ALT
Walt Fair, Jr., P. E.
Comport Computing
Specializing in Technical Engineering Software
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String has a replace method. No need for regular expressions or substrings or anything, just call replace. You may need to think a bit if you want to replace only single words (e.g. "testament" does not become "testaMEnt") but it's still pretty straightforward.
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