I´m creating a table using iText.
But the output looks really bad, because of the hyphenation, which seems not to be done properly.
I allready read this question How to hyphenate text?
and this example http://itextpdf.com/sandbox/tables/HyphenationExample
I tried the example in eclipse after i added the itext_hyph_xml.jar to my class path. No error is thrown when i run the code, but the lines
Hyphenator h = new Hyphenator("de", "DE", 2, 2);
Hyphenation s = h.hyphenate("Leistungsscheinziffer");
System.out.println(s);
print null to the console instead of "Lei-stungs-schein-zif-fer" or something similar as i expected.
I tried playing with the parameters in
chunk.setHyphenation(new HyphenationAuto("de", "DE", 2,2));
but the output in the document never differes even slightly.
The code i´m trying to get to work looks kind of like this by the way:
for(String s: interest){
Chunk chunk = new Chunk(s,FONT[0]);
chunk.setHyphenation(new HyphenationAuto("de", "DE", 2,3));
table.addCell(new Phrase(chunk));
}
Ok I figured it out on my own now.
And because i couldn´t find the answer on the internet i thought i will share it here so anyone who might have the same error in the future wouldn´t need a week to figure it out.
It seems that in the class Hyphenator the defaultHyphLocation is set like this:
private static final String defaultHyphLocation = "com/itextpdf/text/pdf/hyphenation/hyph/";
But the structure of itext_hyph.jar looks like this:
com.lowagie.text.pdf.hyphenation.hyph
Obviously loading a hyph file from the jar will surely fail, since the path used by Hyphenator can not be found. I actually thought this would cause an error but it seems simply null is returned when the loading of the hyph file fails.
Calling Hyphenator.setHyphenDir("com/lowagie/text/pdf/hyphenation/hyph/"); however wouldn´t change a thing as one would think, since it changes the wrong string variable.
The only thing i could think of to solve this problem was to recreate the itext_hyph.jar according to the path given in Hyphenator and that acctually fixed it. Hyphenation is now working.
Related
I'm having some trouble figuring out how to migrate my code to use org.stringtemplate.v4 . I have a single template file in a 'templates' folder under src/main/resources. Nothing fancy going on. I just need to load the template, set a few attributes, and pass it along in my html response. The problem is, the template is getting bundled into the deployed jar, which means I can't do a normal classpath lookup. Usually in a case like this, I would use an InputStream, but I can't find any way of doing that with the available constructors for ST and STGroup. Does anyone know how to do this? is there an easier way I'm just overlooking?
Here is what my code looks like:
STGroup group = new STGroupDir("templates");
ST template = group.getInstanceOf("smartSubmitResponse");
template.add("errors", results.exceptions.asMap());
template.add("plannedDates", results.plannedDates);
return Response.status(Response.Status.OK).header("smartSubmitFileUrl", url)
.header("errors", errorHeaders.toString()).entity(template.toString()).build();
Currently, it is failing with a null pointer exception since template is not being set correctly.
I finally figured it out. I needed to use org.stringtemplate.v4.STRawGroupDir since my template was using the older format with no wrapping characters. My result ended up looking like this:
STGroup group = new STRawGroupDir("templates",'$','$');
ST template = group.getInstanceOf("smartSubmitResponse");
Hey, all! I have a class method who's primary function is to get a Map object, which works fine; however, it's an expensive operation that doesn't need to be done every time, so I'd like to have the results stored in an XML file using JAXB, to be read from for the majority of calls and updated infrequently.
When I run a class that calls it out of NetBeans the file is created no problem with exactly what I want -- but when I have my JSP call the method nothing happens whatsoever, even though the rest of the information is passed normally. I have the feeling it's somehow lacking write privileges, but the file is just in the root directory so I'm not sure what I'm missing. Thanks for the help!
The code looks roughly like this:
public class DataHandler() {
...
public void config() {
MapHolder bucket = new MapHolder();
MapExporter exp = new MapExporter();
Map map = makeMap();
bucket.setMap(map);
exp.exportMap(bucket);
}
}
And then the JSP has a javabean of Datahandler, and this line:
databean.config();
It's probably a tad more fragmented than it needs to be; the whole bucket rigamarole was because I was stumbling trying to learn how to write a map to an xml file. Mapholder is just a class that I wrap around the map, and MapExporter just uses a JAXB marshaller, and it all does work properly when run from NetBeans.
OK turns out I'm just dumb; everything was working fine, the file was just being stored in a folder at the localhost location. Whoops! That'd be my inexperience with web development at work.
I cannot figure out which kind of error is this.
We all saw a lot of strange stuff, regarding android and R.java, but I am seeing this for the first time.
In the R.java, i have the following line of code:
public static final class id {
public static final int 15dp=0x7f060067;
The error says - Syntax error on token "15d". delete this token.
At first I thought that I made some typo and wrote "15d" instead of "15dp" somewhere, but I didn't. I checked the entire layout xml file, that I was making the last, since after making it this error started appearing.
I tried deleting R.java and building the app, didn't helped.
Does anybody has a clue what this might be ?
You probably have in some layout file something like this:
android:id="+#id/15dp"
change this to a vaild id and try it again.
i know this question is already answered,but some more knowledge about this error:
R.java maintains all the references of id's of views,strings.xml tag names,Drawables etc, if you are facing this kind of issue,then it is necessarily the error of miss spell in some id naming,sting tag names or drawable name's something like this:
android:id="+#id/15dp"
dp is the unit for density independent pixel,so we can not assign this as id to any view neither as drawable name nor string tag name.
hope this helps.
I have the next error.
I'm trying to create a PDF using iText, with an specific format. I opted to use tables for each section of the page, because the format that I need to do have tables. All right, I already did everything, I create the tables and adding it with the doc.add(table) method, this worked fine, but I needed to set the tables into an specific position. So I opted to use table.writeSelectedRows() method, and this worked fine.
And here comes the error, this is my code:
table_SectionTwo.addCell(cell_White);
table_SectionTwo.addCell(cell_White);
table_SectionTwo.addCell(p);
table_SectionTwo.addCell(cell_OrderDate);
table_SectionTwo.addCell(cell_CustomerOrderDate);
table_SectionTwo.addCell(cell_OrderNumberSection);
float[] columnWidths = new float[] {38f, 105f, 90f};
table_SectionTwo.setTotalWidth(columnWidths);
table_SectionTwo.setLockedWidth(true);
table_SectionTwo.completeRow();
table_SectionTwo.writeSelectedRows(0, -1, 260f, 770f, super.getPdfWriter().getDirectContent());
doc.add(table_SectionTwo);
As you can see, if I execute this code, this will add the same table 2 times
the problem is when I remove doc.add(table), I do this only for add one table into an specific position using table.writeSelectedRows(). This is how my code remains:
table_SectionTwo.writeSelectedRows(0, -1, 260f, 770f, super.getPdfWriter().getDirectContent());
//super.addTable(table_SectionTwo);
I commented doc.add(table).
And this should write only one table. But this doesn't work. When I do this throws:
ExceptionConverter: java.io.IOException: The document has no pages.
at com.itextpdf.text.pdf.PdfPages.writePageTree(PdfPages.java:113)
at com.itextpdf.text.pdf.PdfWriter.close(PdfWriter.java:1217)
at com.itextpdf.text.pdf.PdfDocument.close(PdfDocument.java:777)
at com.itextpdf.text.Document.close(Document.java:398)
at PDFConstructor.CloseDocument(PDFConstructor.java:85)
at InvoicePDF.CloseDocument(InvoicePDF.java:58)
at Demo.main(Demo.java:72)
The curious thing is when I comment the doc.add(table) this doesn't work, and when I comment the table.writeSelectedRows() the doc.add(table) works fine.
This error occurs only when I have doc.add(table) commented and table.writeSelectedRows() uncommented.
Please help me..
Although you don't give sufficient information in your question, I think the problem is caused by the fact that you don't define the width of the table.
Do this test: ask the table for its total height. If iText returns 0, then you forgot to define the width of the table; if it doesn't return 0, then iText knows the width either because you defined it explicitly, or because you used document.add(table), which calculated the dimensions of the table based on the page metrics of the document object.
If something else is at play, you'll have to provide more info.
What i understand from your question that you want to write specific rows to document but at a specified position.If this is correct super.getPdfWriter().getDirectContent()) is that necessary?i don't think so.To analyse this part i need your whole code snippet or a demo version of this code which explain the same.
2nd:Internally itext also use PdfContentByte to write PdfPTable using PdfPRow & also Remember according to the author(Bruno) itext is built on Builder Pattern.If previous lines have no meaning to you skip it.
You currently adding content to table even before its all required property is set.
table_SectionTwo.addCell(cell_White);
table_SectionTwo.addCell(cell_White);
table_SectionTwo.addCell(p);
table_SectionTwo.addCell(cell_OrderDate);
table_SectionTwo.addCell(cell_CustomerOrderDate);
table_SectionTwo.addCell(cell_OrderNumberSection);
It will be something like this
float[] columnWidths = new float[] {38f, 105f, 90f};
PdfPTable table_SectionTwo= new PdfPTable(clmnWdthTpHdr);
table_SectionTwo.setTotalWidth(500.0f);
table_SectionTwo.setWidthPercentage(100.0f);
table_SectionTwo.setLockedWidth(true);
3.Don't use super.getPdfWriter().getDirectContent()).As the above code shows me you are using document so i think you must write following code snippet too(Something like this:lol)
PdfWriter pdfWrtr=null;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Document doc= new Document(UtilConstant.pageSizePdf,0,0,0,0);
pdfWrtr=PdfWriter.getInstance(doc,baos);
In try catch use pdfWrtr.getDirectContent(); instead.
These all are based on my code analysis.
Also another point from the exception
ExceptionConverter: java.io.IOException: The document has no pages.
at com.itextpdf.text.pdf.PdfPages.writePageTree(PdfPages.java:113)
...............................
at InvoicePDF.CloseDocument(InvoicePDF.java:58)
at Demo.main(Demo.java:72)
It is a typical error when nothing is added to the document.Maybe an exception is thrown (and ignored) in step 4(according to Itext in Action) andmaybe you are executing step 5 (document.close()) anyway(in spite of the exception in step 4).So please attach Demo.java
if the above is not clear enough to help you.
http://pastebin.com/m5fa7685e
It seems to fail when getting f3.. Output is:
not ready
File is null
Exception in thread "main" java.lang.NullPointerException
at BuabFile.parseBUAB(BuabFile.java:93)
at AddressBook.createBrowseForm(AddressBook.java:232)
at AddressBook.(AddressBook.java:51)
at Main.main(Main.java:4)"
But not before then - no file not found errors or anything...
My guess would be that the parseBUAB() method receives a "null" argument. Which means that it could be that it is the AddressBook class is responsible for the error.
It looks like you forgot to assign a value to BuabFile.file static field. You may want to add this to the end of your readFile() method:
BuabFile.file = f3;
I am guessing your AddressBook.createBrowseForm method looks something like this:
String filename = ...;
BuabFile buab = new BuabFile(filename);
buab.readFile();
ArrayList<String> buabLines = buab.returnFile(); // Returns null because readFile() never assigned a value to BuabFile.file
ArrayList<Buab> buabList = buab.parseBUAB(buabLines);
From all I can see, you just call parseBUAB(..) with a null value. I can't see the call to that method so you have to check the rest of your code.
For your 'not ready' output, which is created because your BufferedReader f3 is 'not ready', the API says
True if the next read() is guaranteed not to block for input, false otherwise.
Maybe you just call it too fast and the file is not loaded yet. Play with Thread.sleep() before calling ready() on the stream. Maybe a some-milliseconds blocking is just normal for File I/O.
And third - if f3 is the BufferedReader you want to keep, you have to assign it to the member file in the readFile() method. But now that's all I found ;)
I'm confused further but have found an answer sort of - I'm using windows 7 and have tried it on a windows xp computer and the code compiles fine and reads in the file (other errors you lot have noted are to be changed anyway through development - this was just one stick in the way...).
I'm wondering if there is some Windows 7 error with eclipse and opening/reading files...