Java Doc for BaseParser.java in  » PDF » PDFBox-0.7.3 » org » pdfbox » pdfparser » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » PDFBox 0.7.3 » org.pdfbox.pdfparser   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.pdfbox.pdfparser.BaseParser All known Subclasses:   org.pdfbox.pdfparser.PDFStreamParser,  org.pdfbox.pdfparser.PDFObjectStreamParser,  org.pdfbox.pdfparser.PDFParser, BaseParser abstract public class BaseParser (Code) This class is used to contain parsing logic that will be used by both the PDFParser and the COSStreamParser. author:    Ben Litchfield version:    $Revision: 1.59 $ Field Summary final public static  String DEF      This is a byte array that will be used for comparisons. final public static  byte[] ENDSTREAM      This is a byte array that will be used for comparisons. protected  PushBackInputStream pdfSource      This is the stream that will be read from. Constructor Summary public   BaseParser(InputStream input)      Constructor. protected   BaseParser(byte[] input)      Constructor. Method Summary public  void addXref(PDFXref xref)      This will add an xref. public  List getXrefs()      This will get all of the xrefs. protected  boolean isClosing()      This will tell if the next character is a closing brace( close of PDF array ). protected  boolean isClosing(int c)      This will tell if the next character is a closing brace( close of PDF array ). protected  boolean isEOL()      This will tell if the next byte to be read is an end of line byte. protected  boolean isEOL(int c)      This will tell if the next byte to be read is an end of line byte. protected  boolean isEndOfName(char ch)      Determine if a character terminates a PDF name. protected  boolean isWhitespace()      This will tell if the next byte is whitespace or not. protected  boolean isWhitespace(int c)      This will tell if the next byte is whitespace or not. protected  COSBoolean parseBoolean()      This will parse a boolean object from the stream. protected  COSArray parseCOSArray()      This will parse a PDF array object. protected  COSDictionary parseCOSDictionary()      This will parse a PDF dictionary. protected  COSName parseCOSName()      This will parse a PDF name from the stream. protected  COSStream parseCOSStream(COSDictionary dic, RandomAccess file)      This will read a COSStream from the input stream. Parameters:   file - The file to write the stream to when reading. Parameters:   dic - The dictionary that goes with this stream. protected  COSString parseCOSString()      This will parse a PDF string. protected  COSBase parseDirObject()      This will parse a directory object from the stream. protected  String readExpectedString(String theString)      This will read bytes until the end of line marker occurs. Parameters:   theString - The next expected string in the stream. protected  int readInt()      This will read an integer from the stream. protected  String readLine()      This will read bytes until the end of line marker occurs. protected  String readString()      This will read the next string from the stream. protected  String readString(int length)      This will read the next string from the stream up to a certain length. Parameters:   length - The length to stop reading at. public  void setDocument(COSDocument doc)      Set the document for this stream. protected  void skipSpaces()      This will skip all spaces and comments that are present. Field Detail DEF final public static String DEF(Code) This is a byte array that will be used for comparisons. ENDSTREAM final public static byte[] ENDSTREAM(Code) This is a byte array that will be used for comparisons. pdfSource protected PushBackInputStream pdfSource(Code) This is the stream that will be read from. Constructor Detail BaseParser public BaseParser(InputStream input) throws IOException(Code) Constructor. Parameters:   input - The input stream to read the data from. throws:   IOException - If there is an error reading the input stream. BaseParser protected BaseParser(byte[] input) throws IOException(Code) Constructor. Parameters:   input - The array to read the data from. throws:   IOException - If there is an error reading the byte data. Method Detail addXref public void addXref(PDFXref xref)(Code) This will add an xref. Parameters:   xref - The xref to add. getXrefs public List getXrefs()(Code) This will get all of the xrefs. A list of all xrefs. isClosing protected boolean isClosing() throws IOException(Code) This will tell if the next character is a closing brace( close of PDF array ). true if the next byte is ']', false otherwise. throws:   IOException - If an IO error occurs. isClosing protected boolean isClosing(int c)(Code) This will tell if the next character is a closing brace( close of PDF array ). Parameters:   c - The character to check against end of line true if the next byte is ']', false otherwise. isEOL protected boolean isEOL() throws IOException(Code) This will tell if the next byte to be read is an end of line byte. true if the next byte is 0x0A or 0x0D. throws:   IOException - If there is an error reading from the stream. isEOL protected boolean isEOL(int c)(Code) This will tell if the next byte to be read is an end of line byte. Parameters:   c - The character to check against end of line true if the next byte is 0x0A or 0x0D. isEndOfName protected boolean isEndOfName(char ch)(Code) Determine if a character terminates a PDF name. Parameters:   ch - The character true if the character terminates a PDF name, otherwise false. isWhitespace protected boolean isWhitespace() throws IOException(Code) This will tell if the next byte is whitespace or not. true if the next byte in the stream is a whitespace character. throws:   IOException - If there is an error reading from the stream. isWhitespace protected boolean isWhitespace(int c)(Code) This will tell if the next byte is whitespace or not. Parameters:   c - The character to check against whitespace true if the next byte in the stream is a whitespace character. parseBoolean protected COSBoolean parseBoolean() throws IOException(Code) This will parse a boolean object from the stream. The parsed boolean object. throws:   IOException - If an IO error occurs during parsing. parseCOSArray protected COSArray parseCOSArray() throws IOException(Code) This will parse a PDF array object. The parsed PDF array. throws:   IOException - If there is an error parsing the stream. parseCOSDictionary protected COSDictionary parseCOSDictionary() throws IOException(Code) This will parse a PDF dictionary. The parsed dictionary. throws:   IOException - IF there is an error reading the stream. parseCOSName protected COSName parseCOSName() throws IOException(Code) This will parse a PDF name from the stream. The parsed PDF name. throws:   IOException - If there is an error reading from the stream. parseCOSStream protected COSStream parseCOSStream(COSDictionary dic, RandomAccess file) throws IOException(Code) This will read a COSStream from the input stream. Parameters:   file - The file to write the stream to when reading. Parameters:   dic - The dictionary that goes with this stream. The parsed pdf stream. throws:   IOException - If there is an error reading the stream. parseCOSString protected COSString parseCOSString() throws IOException(Code) This will parse a PDF string. The parsed PDF string. throws:   IOException - If there is an error reading from the stream. parseDirObject protected COSBase parseDirObject() throws IOException(Code) This will parse a directory object from the stream. The parsed object. throws:   IOException - If there is an error during parsing. readExpectedString protected String readExpectedString(String theString) throws IOException(Code) This will read bytes until the end of line marker occurs. Parameters:   theString - The next expected string in the stream. The characters between the current position and the end of the line. throws:   IOException - If there is an error reading from the stream or theString does not match what was read. readInt protected int readInt() throws IOException(Code) This will read an integer from the stream. The integer that was read from the stream. throws:   IOException - If there is an error reading from the stream. readLine protected String readLine() throws IOException(Code) This will read bytes until the end of line marker occurs. The characters between the current position and the end of the line. throws:   IOException - If there is an error reading from the stream. readString protected String readString() throws IOException(Code) This will read the next string from the stream. The string that was read from the stream. throws:   IOException - If there is an error reading from the stream. readString protected String readString(int length) throws IOException(Code) This will read the next string from the stream up to a certain length. Parameters:   length - The length to stop reading at. The string that was read from the stream of length 0 to length. throws:   IOException - If there is an error reading from the stream. setDocument public void setDocument(COSDocument doc)(Code) Set the document for this stream. Parameters:   doc - The current document. skipSpaces protected void skipSpaces() throws IOException(Code) This will skip all spaces and comments that are present. throws:   IOException - If there is an error reading from the stream. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)