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java.lang.Objectorg.apache.fop.pdf.PDFObject
org.apache.fop.pdf.PDFDictionary
org.apache.fop.pdf.AbstractPDFStream
org.apache.fop.pdf.PDFStream
public class PDFStream
Class representing a PDF stream.
A derivative of the PDF Object, a PDF Stream has not only a dictionary but a stream of PDF commands. The stream of commands is where the real work is done, the dictionary just provides information like the stream length.
Field Summary | |
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protected StreamCache |
data
The stream of PDF commands |
Fields inherited from class org.apache.fop.pdf.PDFDictionary |
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entries, order |
Fields inherited from class org.apache.fop.pdf.PDFObject |
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DATE_FORMAT, log |
Constructor Summary | |
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PDFStream()
Create an empty stream object |
Method Summary | |
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void |
add(java.lang.String s)
Append data to the stream |
java.io.OutputStream |
getBufferOutputStream()
Returns an OutputStream that can be used to write to the buffer which is used to build up the PDF stream. |
int |
getDataLength()
Returns the size of the content. |
protected int |
getSizeHint()
Returns a value that hints at the size of the encoded stream. |
protected int |
output(java.io.OutputStream stream)
Overload the base object method so we don't have to copy byte arrays around so much Write the PDF represention of this object |
protected void |
outputRawStreamData(java.io.OutputStream out)
Sends the raw stream data to the target OutputStream. |
void |
setData(byte[] data)
Used to set the contents of the PDF stream. |
Methods inherited from class org.apache.fop.pdf.AbstractPDFStream |
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encodeAndWriteStream, encodeStream, getFilterList, outputStreamData, populateStreamDict, prepareImplicitFilters, setupFilterList |
Methods inherited from class org.apache.fop.pdf.PDFDictionary |
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get, put, put, writeDictionary |
Methods inherited from class org.apache.fop.pdf.PDFObject |
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encode, encodeBinaryToHexString, encodeString, encodeText, formatDateTime, formatDateTime, formatObject, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, getParent, hasObjectNumber, makeReference, outputInline, referencePDF, setDocument, setObjectNumber, setParent, toPDF, toPDFString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected StreamCache data
Constructor Detail |
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public PDFStream()
Method Detail |
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public void add(java.lang.String s)
s
- the string of PDF to addpublic java.io.OutputStream getBufferOutputStream() throws java.io.IOException
java.io.IOException
- In case of an I/O problempublic void setData(byte[] data) throws java.io.IOException
data
- the contents as a byte array
java.io.IOException
- in case of an I/O problempublic int getDataLength()
protected int getSizeHint() throws java.io.IOException
getSizeHint
in class AbstractPDFStream
java.io.IOException
- in case of an I/O problemprotected void outputRawStreamData(java.io.OutputStream out) throws java.io.IOException
outputRawStreamData
in class AbstractPDFStream
out
- OutputStream to write to
java.io.IOException
- In case of an I/O problemprotected int output(java.io.OutputStream stream) throws java.io.IOException
output
in class AbstractPDFStream
stream
- the stream to write the PDF to
java.io.IOException
- if there is an error writing to the stream
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