Reading/writing .ico files

I'm working on a coldfusion system where users can upload
their own favicon files for their site. To allow compatibility with
IE I want to allow for .ico files but I need to determine their
dimensions so that I can limit the size. The restrictions of the
JVM mean that Coldfusion can't read or write .ico files and I was
wondering if anyone had any suggestions.
I'm currently trying to write a function which uses the Java
JIMI library (
JIMI) but it's not
simple and keeps preventing me from deleting images once I've read
them (possibly because I'm using it wrongly).
If anyone can help then that'd be great.

A
posting
on image processing made me have another look at your problem.
I think you should install the
hotfixes.
One of them actually solves the problem whereby
"CFImage and the image functions can leave an image file locked
after an initial write to disk in Adobe ColdFusion 8.0.1."

Similar Messages

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Dear All
I have a requirement to read/write excel files in .xlsx format. I am good in doing it with .xls format using jxl.jar. The jxl.jar doesn't support .xlsx format. Kindly help me in understanding how do I need to proceed on reading/writing .xlsx files using Webdynpro for Java.
Thanks and Regards
Ramamoorthy D

i am using jdk 1.6.22 and IBM WebSphere
when i use poi-3.6-20091214.jar and poi-ooxml-3.6-20091214.jar to read .xlsx file. but i am getting following errors
The project was not built since its classpath is incomplete. Cannot find the class
file for java.lang.Iterable. Fix the classpath then try rebuilding this project.
This compilation unit indirectly references the missing type java.lang.Iterable
(typically some required class file is referencing a type outside the classpath)
how can i resolve it
here is the code that i have used
public class HomeAction extends DispatchAction {
     public ActionForward addpage(
                         ActionMapping mapping,
                         ActionForm form,
                         HttpServletRequest request,
                         HttpServletResponse response)
                         throws Exception {
                         String name = "C:/Documents and Settings/bharath/Desktop/Book1.xlsx";
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Reading/writing PDF files using JAVA

how to read/write a PDF file using java,
while i read a pdf file using BUfferedReader class it gives a list of char. which is not readable.
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Hi,
To test my BPEL process, I am using FileAdapter to read from a file/write to a file. It works fine with my localhost as the SOA server. When I deploy to the development server, is there anyway I can put the file inside the project and deploy it as part of the jar file?
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Yes it sounds strange that you want move the file you are reading. This can be done via the ant script although I haven't used the FTP task. Create a pre-build.xml file. this will be called by the build.xml. Have a look at this link http://ant.apache.org/manual/index.html
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</echo>
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</target>
</project>

Reading & writing to file using ArrayList String incorrectly

Hi Java Experts,
I am running out of ideas on why my findSnomedCodes.java program is filling up the output file (Snomed-Codes.txt) with the
same information ([M44110|T33010, , M92603|T10350, ]) continuously. This program goes through a dummy patient result file
and pickup the 3rd line of each record and insert it into an ArrayList of String before writing it into a Snomed-Codes.txt
file. A followed up method prints out everything from Snomed-Codes.txt.
Below is the source code of findSnomedCodes.java program:
import java.io.*;
import java.io.IOException;
import java.lang.String;
import java.lang.Character;
import java.util.regex.*;
import java.util.ArrayList;
import java.util.List;
public class FindSnomedCode {
static List<String> complete_records = new ArrayList<String>();
static public void getContents(File existingFile) {
StringBuffer contents = new StringBuffer();
BufferedReader input = null;
int line_number = 0;
int number_of_records = 0;
String snomedCodes = null;
try {
input = new BufferedReader( new FileReader(existingFile) );
String current_line = null;
while (( current_line = input.readLine()) != null) {
// Create a pattern to match for the "\"
Pattern p = Pattern.compile("\\\\");
// Create a matcher with an input string
Matcher m = p.matcher(current_line);
boolean beginning_of_record = m.find();
if (beginning_of_record) {
line_number = 0;
number_of_records++;
} else {
line_number++;
if (line_number == 2) {
snomedCodes = current_line;
System.out.println(snomedCodes);
complete_records.add(current_line);
catch (FileNotFoundException ex) {
ex.printStackTrace();
catch (IOException ex){
ex.printStackTrace();
finally {
try {
if (input!= null) {
input.close();
catch (IOException ex) {
ex.printStackTrace();
static public void setContents(File reformatFile, List snomedCodes)
throws FileNotFoundException, IOException {
Writer output = null;
try {
output = new BufferedWriter( new FileWriter(reformatFile) );
while (snomedCodes.iterator().hasNext())
output.write( snomedCodes.toString() );
finally {
if (output != null) output.close();
static public void printContents(File existingFile) {
//...checks on existingFile are elided
StringBuffer contents = new StringBuffer();
BufferedReader input = null;
int line_number = 0;
int number_of_records = 0;
long total_number_of_lines = 0;
String snomedCodes = null;
try {
input = new BufferedReader( new FileReader(existingFile) );
String current_line = null;
while (( current_line = input.readLine()) != null)
System.out.println(current_line);
catch (FileNotFoundException ex) {
ex.printStackTrace();
catch (IOException ex){
ex.printStackTrace();
finally {
try {
if (input!= null) {
input.close();
catch (IOException ex) {
ex.printStackTrace();
public static void main (String args[]) throws IOException {
File currentFile = new File("D:\\AP Data Conversion\\1988\\dummy_test_records.txt");
getContents(currentFile);
File snomedFile = new File( "D:\\AP Data Conversion\\1988\\Snomed-Codes.txt");
setContents(snomedFile, complete_records);
printContents(snomedFile);
The output from Netbeans/Java is as follows:
M44110|T33010
M92603|T10350
Exception in thread "main" java.io.IOException: There is not enough space on the disk
at java.io.FileOutputStream.writeBytes(Native Method)
at java.io.FileOutputStream.write(FileOutputStream.java:260)
at sun.nio.cs.StreamEncoder$CharsetSE.writeBytes(StreamEncoder.java:336)
at sun.nio.cs.StreamEncoder$CharsetSE.implClose(StreamEncoder.java:427)
at sun.nio.cs.StreamEncoder.close(StreamEncoder.java:160)
at java.io.OutputStreamWriter.close(OutputStreamWriter.java:222)
at java.io.BufferedWriter.close(BufferedWriter.java:250)
at FindSnomedCode.setContents(FindSnomedCode.java:90)
at
FindSnomedCode.main(FindSnomedCode.java:134)---------------------------------------------------------------------------------
The content of Snomed-Codes.txt file is filled with continuous lines of [M44110|T33010, , M92603|T10350, ] as follows:
[M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, ,
M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350,
][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, ,
M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350, ][M44110|T33010, , M92603|T10350,
I must have done something wrong with the ArrayList.

while (snomedCodes.iterator().hasNext())
output.write( snomedCodes.toString() );
}Here you have some kind of a list or something (I couldn't stand to read all that unformatted code but I suppose you can find out). It has an iterator which gives you the entries of the list one at a time. You keep asking if it has more entries -- which it does -- but you never get those entries by calling the next() method, so it always has all the entries still available.
And your code inside the loop is independent of the iterator, so it's rather pointless to iterate over the entries and output exactly the same data for each entry. Even if you were iterating correctly.

Reading & writing to file using ArrayList String incorrectly (2)

I have been able to store two strings (M44110|T33010, M92603|T10350) using ArrayList<String>, which represent the result of some patient tests. Nevertheless, the order of these results have been stored correctly.
E.g. currently stored in file Snomed-Codes as -
[M44110|T33010, M92603|T10350][M44110|T33010, M92603|T10350]
Should be stored and printed out as -
M44110|T33010
M92603|T10350
Below is the detail of the source code of this program:
import java.io.*;
import java.io.IOException;
import java.lang.String;
import java.util.regex.*;
import java.util.ArrayList;
public class FindSnomedCode {
    static ArrayList<String> allRecords = new ArrayList<String>();
    static public ArrayList<String> getContents(File existingFile) {
        StringBuffer contents = new StringBuffer();
        BufferedReader input = null;
        int line_number = 0;
        int number_of_records = 0;
        String snomedCodes = null;
        ArrayList<String> complete_records = new ArrayList<String>();
        try {
            input = new BufferedReader( new FileReader(existingFile) );
            String current_line = null;
            while (( current_line = input.readLine()) != null) {
                // Create a pattern to match for the "\"
                Pattern p = Pattern.compile("\\\\");
                // Create a matcher with an input string
                Matcher m = p.matcher(current_line);
                boolean beginning_of_record = m.find();
                if (beginning_of_record) {
                    line_number = 0;
                    number_of_records++;
                } else {
                    line_number++;
                if ( (line_number == 2) && (current_line.length() != 0) ) {
                    snomedCodes = current_line;
                    System.out.println(snomedCodes);
                    complete_records.add(current_line);
        catch (FileNotFoundException ex) {
            ex.printStackTrace();
        catch (IOException ex){
            ex.printStackTrace();
        finally {
            try {
                if (input!= null) {
                    input.close();
            catch (IOException ex) {
                ex.printStackTrace();
        return complete_records;
    static public void setContents(File reformatFile, ArrayList<String> snomedCodes)
                                 throws FileNotFoundException, IOException {
       Writer output = null;
        try {
            output = new BufferedWriter( new FileWriter(reformatFile) );
              for (String index : snomedCodes) {
                  output.write( snomedCodes.toString() );
        finally {
            if (output != null) output.close();
    static public void printContents(File existingFile) {
        StringBuffer contents = new StringBuffer();
        BufferedReader input = null;
        int line_number = 0;
        int number_of_records = 0;
        String snomedCodes = null;
        try {
            input = new BufferedReader( new FileReader(existingFile) );
            String current_line = null;
            while (( current_line = input.readLine()) != null)
                System.out.println(current_line);
        catch (FileNotFoundException ex) {
            ex.printStackTrace();
        catch (IOException ex){
            ex.printStackTrace();
        finally {
            try {
                if (input!= null) {
                    input.close();
            catch (IOException ex) {
                ex.printStackTrace();
    public static void main (String args[]) throws IOException {
        File currentFile = new File("D:\\dummy_patient.txt");
        allRecords = getContents(currentFile);
        File snomedFile = new File( "D:\\Snomed-Codes.txt");
        setContents(snomedFile, allRecords);
        printContents(snomedFile);
}There are 4 patient records in the dummy_patient.txt file but only the 1st (M44110|T33010) & 3rd (M92603|T10350) records have results in them. The 2nd & 4th records have blank results.
Lastly, could someone explain to me the difference between java.util.List & java.util.ArrayList?
I am running Netbeans 5.0, jdk1.5.0_09 on Windows XP, SP2.
Many thanks,
Netbeans Fan.

while (snomedCodes.iterator().hasNext())
output.write( snomedCodes.toString() );
}Here you have some kind of a list or something (I couldn't stand to read all that unformatted code but I suppose you can find out). It has an iterator which gives you the entries of the list one at a time. You keep asking if it has more entries -- which it does -- but you never get those entries by calling the next() method, so it always has all the entries still available.
And your code inside the loop is independent of the iterator, so it's rather pointless to iterate over the entries and output exactly the same data for each entry. Even if you were iterating correctly.

Reading/Writing multiple files

Hey,
I've got a folder on my computer with 100+ text files. So I'm
trying to make a projector that, once I've chosen a directory, will
go through all the files in that folder looking for a certain
string. I know how to use the FileXtra4 to set the directory, and
I've had programs read and write to files before, but I'm not sure
how to do it on such a large scale.
If anyone can help it would be greatly appreciated.

You can use Director's command getNthFileNameInFolder() to
mke a list of
all the files in a given folder, then use pRegEx to search
through the
text of each one.
A much easier way would be to use BuddyAPI. It has a command
called
baFileList() which will give you the names of all the files
in a folder,
then you can use pRegEx or another xtra to search through
each one. The
same folks who brought us BuddyAPI also make budFile which
can do the
text search in a much easier way than pRegEx (though it will
likely be a
bit slower). Though it is terribly confusing and hard to use
if you are
not familiar with regular expressions, it is by far the
fastest method
of searching text.

Reading/Writing Excel Files

I'm looking for a relatively straightforward way to read data from a .xls file and write out to another one using only standard java facilities, so no open source library suggestions please.

Excel can be accessed via JDBC, have a search for that, can't remember the details - just a JDBC name string. But really your best choice is the Jxl or JExcel (or whatever it's called) library. Apache POI is to be avoided, having the curious distinction of being both bloated and incomplete, as well as shocking performance.

Reading/writing XML files

hi
i want to makeXML based config files for my system,i didn`t example to write/read XML files(parsing).
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Reading/Writing Multiple Files From/To Socket

I'm have a problem in recognizing end of file in socket.
when I write files one after another using object input stream wrapped on the socket's input stream.
on one side:
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socket_output_stream.write(buff,0,n)
on the other side:
while((n = socket_input_stream.read(buff)!=-1)
recv_file_output_stream[ i ].write(buff,0,n)
this process happens for i=1..N files
1) how can i signal the socket That EOF occures ?
2) how can the recieving socket stream recognize it?
3) Is there a simple mechnism for transffering files in java
from dir to dir from disk to socket ?
like copy(InputStream from,OutputStram to)
Thanks
Joseph

one way is to write something as an end of file marker after each file, say character 255, just make sure you escape any 255's in the file (say by sending two 255's)
The other end then needs to look for the 255's, if it gets one on its own its the end of the file. If it get's two together its a single 255 thats part of the file.
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Hi,
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Thanks a million,
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matfud

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Anyone help please?
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Righini

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Problem in reading no. of files and writing into a single file

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import java.util.regex.*;
import java.util.*;
import java.text.*;
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boolean initReq = false;
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long requestTime = 0;
long responseTime = 0;
long recdTime = 0;
long sentTime = 0;
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
DecimalFormat dcf = new DecimalFormat("########.##");
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          rowTitle.createCell((short)1).setCellType(HSSFCell.CELL_TYPE_STRING);
          rowTitle.createCell((short)1).setCellValue("Action");
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          rowTitle.createCell((short)2).setCellValue("Server Time(in ms)");
          rowTitle.createCell((short)3).setCellType(HSSFCell.CELL_TYPE_STRING);
          rowTitle.createCell((short)3).setCellValue("Request Vs Response Time in Server(in ms)");
          rowTitle.createCell((short)4).setCellType(HSSFCell.CELL_TYPE_STRING);
          rowTitle.createCell((short)4).setCellValue("Time Taken By HAS/HOST(in ms)");
          rowTitle.createCell((short)5).setCellType(HSSFCell.CELL_TYPE_STRING);
          rowTitle.createCell((short)5).setCellValue("No. of HAS calls");
          rowTitle.createCell((short)6).setCellType(HSSFCell.CELL_TYPE_STRING);
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while((aLine=logReader.readLine()) != null) {
if(aLine.startsWith("<MESSAGE TYPE=\"EVENT\"")) {
Matcher m = startMessage.matcher(aLine);
if(m.find()) {
sBuf.setLength(0);
sBuf.append(aLine);
skip = false;
initReq = false;
m = initMessage.matcher(aLine);
if(m.find()) {
initReq = true;
} else {
if(initReq) {
m = initResMessage.matcher(aLine);
if(m.find()) {
sBuf.setLength(0);
sBuf.append(aLine);
skip = false;
} else if(aLine.startsWith("</MESSAGE>")) {
if(!skip) {
sBuf.append(aLine);
readed = true;
} else if(!skip){
sBuf.append(aLine);
if(!skip && readed) {
String tempStr = sBuf.toString();
if(tempStr.length() > 0) {
boolean reqMatched = false;
Matcher m = null;
if(initReq) {
m = initMessage.matcher(tempStr);
actName = "Intialization";
} else {
m = requestMessage.matcher(tempStr);
String time = "";
if(m.find()) {
reqMatched = true;
for (int i=1; i<=m.groupCount(); i++) {
String groupStr = m.group(i);
if(i == 1) {
time = groupStr;
} else if(i == 2) {
actName = groupStr;
} else if(!initReq){
m = requestMessage1.matcher(tempStr);
if(m.find()) {
reqMatched = true;
for (int i=1; i<=m.groupCount(); i++) {
String groupStr = m.group(i);
if(i == 1) {
time = groupStr;
} else if(i == 2) {
actName = groupStr;
if(time.length() > 0 ) {
try{
requestTime = sdf.parse(time).getTime();
}catch(Exception ex){}
System.out.println("Request,"+actName+","+time+",,,,"+dcf.format(((double)time.length()/1024.0))+"K");
                              //bw.write("Request,"+actName+","+time+",,,,"+dcf.format(((double)time.length()/1024.0))+"K");
                              String reqDataSize = dcf.format(((double)time.length()/1024.0))+"K" ;
                              rowReq = sheet.createRow((short)counter);
                                   rowReq.createCell((short)0).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)0).setCellValue("Request");
                                   rowReq.createCell((short)1).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)1).setCellValue(actName);
                                   rowReq.createCell((short)2).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)2).setCellValue(time);
                                   rowReq.createCell((short)3).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)3).setCellValue("");
                                   rowReq.createCell((short)4).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)4).setCellValue("");
                                   rowReq.createCell((short)5).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)5).setCellValue("");
                                   rowReq.createCell((short)6).setCellType(HSSFCell.CELL_TYPE_STRING);
                                   rowReq.createCell((short)6).setCellValue(reqDataSize);
                                   counter = counter +1;
                                   System.out.println("counter is "+counter);
                         Matcher l = sentMessage.matcher(tempStr);
                         Matcher k = rcvdMessage.matcher(tempStr);
               if(l.find()) {
                                        for (int i=1; i<=l.groupCount(); i++) {
     String groupStr2 = l.group(i);
try{
sentTime = sdf.parse(groupStr2).getTime();
}catch(Exception ex){}
                    if(k.find())
                                             for(int j=1;j<=k.groupCount(); j++) {
                                             String groupStr1 = k.group(j);
                                             try{
recdTime = sdf.parse(groupStr1).getTime();
}catch(Exception ex){}
                                             presentTime = (recdTime - sentTime);
                                             hasTime = hasTime + presentTime;
                                             hasCalls = hasCalls +1;
if(!reqMatched) {
if(initReq) {
m=initResIDMessage.matcher(tempStr);
} else {
m=responseMessage.matcher(tempStr);
if(m.find()) {
for (int i=1; i<=m.groupCount(); i++) {
String groupStr = m.group(i);
try{
responseTime = sdf.parse(groupStr).getTime();
}catch(Exception ex){}
                                             String resDataSize = dcf.format(((double)tempStr.length()/1024.0))+"K" ;
                                             rowRes = sheet.createRow((short)(counter));
                                             rowRes.createCell((short)0).setCellType(HSSFCell.CELL_TYPE_STRING);
                                             rowRes.createCell((short)0).setCellValue("Response");
                                             rowRes.createCell((short)1).setCellType(HSSFCell.CELL_TYPE_STRING);
                                             rowRes.createCell((short)1).setCellValue(actName);
                                             rowRes.createCell((short)2).setCellType(HSSFCell.CELL_TYPE_STRING);
                                             rowRes.createCell((short)2).setCellValue(groupStr);
                                             rowRes.createCell((short)3).setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                                             rowRes.createCell((short)3).setCellValue((responseTime - requestTime));
                                             rowRes.createCell((short)4).setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                                             rowRes.createCell((short)4).setCellValue(hasTime);
                                             rowRes.createCell((short)5).setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                                             rowRes.createCell((short)5).setCellValue(hasCalls);
                                             rowRes.createCell((short)6).setCellType(HSSFCell.CELL_TYPE_STRING);
                                             rowRes.createCell((short)6).setCellValue(resDataSize);
                                             hasTime = 0;
                                             hasCalls = 0;
                                             counter = counter + 1 ;
sBuf.setLength(0);
readed = false;
          wb.write(fileOut);
          } // End of for (int fileNo = 0; fileNo < children.length; fileNo++ )
}     //End of else
          fileOut.close();
} //End of public static void main
} // End of Class

First of all, use [code]-tags to make your code readable, please.
I didn't do a complete inspection of your code (because it's too much and unreadable as it is) and I don't know POI, but creating a new HSSFWorkbook for each input file sounds fishy to me ... try re-using the workbook and just creating a new sheet in each iteration.

Error1304. Error writing to file while trying to install Reader 8.1.2

I get the following messages when trying to install Adobe Reader 8.1.2 for website.
Error1304.Error writing to file c:\Program files\Adobe\Reader 8.0\Reader\AcroRd32.exe. Verify that you have access to that directory.
Then it give me options to RETRY or CANCEL. When I retry it says the same thing.
I have unistalled previous reader, restarting system then tried once again to install and still get the same error message.
What do I need to do? It is unfortunate that many people are having issue of one kind or another downloading and installing the reader.
Please help for I need this for working purposes.
Carol

Check whether the folder c:\Program files\Adobe\Reader 8.0\Reader
exists. Does it exist?
If so, look whether the file acrord32.exe exists in that folder. Does
it exist? If so, try and delete it. Can you?
If it doesn't exist. Try and create a file by that name. Can you?
In each case, if you get an error message, what is it?
Aandi Inston

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