Package org.apache.pdfbox.util
Class Splitter
- java.lang.Object
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- org.apache.pdfbox.util.Splitter
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public class Splitter extends java.lang.Object
Split a document into several other documents.- Version:
- $Revision: 1.7 $
- Author:
- Mario Ivankovits (mario@ops.co.at), Ben Litchfield
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Field Summary
Fields Modifier and Type Field Description protected PDDocument
currentDocument
The current PDF document that contains the splitted page.protected int
pageNumber
The current page number that we are processing, zero based.protected PDDocument
pdfDocument
The source PDF document.
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Constructor Summary
Constructors Constructor Description Splitter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
createNewDocument()
Create a new document to write the splitted contents to.protected void
createNewDocumentIfNecessary()
Interface method, you can control where a document gets split by implementing this method.int
getEndPage()
This will return the end page.int
getSplitAtPage()
This will return how many pages each split document will contain.int
getStartPage()
This will return the start page.protected boolean
isNewDocNecessary()
Check if it is necessary to create a new document.protected void
processNextPage(PDPage page)
Interface to start processing a new page.protected void
processPages(java.util.List pages)
Interface method to handle the start of the page processing.void
setEndPage(int end)
This will set the end page.void
setSplitAtPage(int split)
This will tell the splitting algorithm where to split the pages.void
setStartPage(int start)
This will set the start page.java.util.List<PDDocument>
split(PDDocument document)
This will take a document and split into several other documents.
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Field Detail
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pdfDocument
protected PDDocument pdfDocument
The source PDF document.
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currentDocument
protected PDDocument currentDocument
The current PDF document that contains the splitted page.
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pageNumber
protected int pageNumber
The current page number that we are processing, zero based.
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Method Detail
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split
public java.util.List<PDDocument> split(PDDocument document) throws java.io.IOException
This will take a document and split into several other documents.- Parameters:
document
- The document to split.- Returns:
- A list of all the split documents.
- Throws:
java.io.IOException
- If there is an IOError
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setSplitAtPage
public void setSplitAtPage(int split)
This will tell the splitting algorithm where to split the pages. The default is 1, so every page will become a new document. If it was to then each document would contain 2 pages. So it the source document had 5 pages it would split into 3 new documents, 2 documents containing 2 pages and 1 document containing one page.- Parameters:
split
- The number of pages each split document should contain.
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getSplitAtPage
public int getSplitAtPage()
This will return how many pages each split document will contain.- Returns:
- The split parameter.
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setStartPage
public void setStartPage(int start)
This will set the start page.- Parameters:
start
- the start page
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getStartPage
public int getStartPage()
This will return the start page.- Returns:
- The start page.
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setEndPage
public void setEndPage(int end)
This will set the end page.- Parameters:
end
- the end page
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getEndPage
public int getEndPage()
This will return the end page.- Returns:
- The end page.
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processPages
protected void processPages(java.util.List pages) throws java.io.IOException
Interface method to handle the start of the page processing.- Parameters:
pages
- The list of pages from the source document.- Throws:
java.io.IOException
- If an IO error occurs.
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createNewDocumentIfNecessary
protected void createNewDocumentIfNecessary() throws java.io.IOException
Interface method, you can control where a document gets split by implementing this method. By default a split occurs at every page. If you wanted to split based on some complex logic then you could override this method. For example.protected void createNewDocumentIfNecessary() { if( isPrime( pageNumber ) ) { super.createNewDocumentIfNecessary(); } }
- Throws:
java.io.IOException
- If there is an error creating the new document.
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isNewDocNecessary
protected boolean isNewDocNecessary()
Check if it is necessary to create a new document.- Returns:
- true If a new document should be created.
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createNewDocument
protected void createNewDocument() throws java.io.IOException
Create a new document to write the splitted contents to.- Throws:
java.io.IOException
- If there is an problem creating the new document.
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processNextPage
protected void processNextPage(PDPage page) throws java.io.IOException
Interface to start processing a new page.- Parameters:
page
- The page that is about to get processed.- Throws:
java.io.IOException
- If there is an error creating the new document.
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