pdfname.java

一个java操作pdf文件的开发包,很好用的.

    public static final PdfName RESETFORM = new PdfName("ResetForm");
    
    /** This is a static final PdfName */
    public static final PdfName RESOURCES = new PdfName("Resources");
    
    /** This is a static final PdfName */
    public static final PdfName RI = new PdfName("RI");
    
    /** This is a static final PdfName */
    public static final PdfName ROOT = new PdfName("Root");
    
    /** This is a static final PdfName */
    public static final PdfName ROTATE = new PdfName("Rotate");
    
    /** This is a static final PdfName */
    public static final PdfName ROWS = new PdfName("Rows");
    
    /** This is a static final PdfName */
    public static final PdfName RUNLENGTHDECODE = new PdfName("RunLengthDecode");
    
    /** This is a static final PdfName */
    public static final PdfName S = new PdfName("S");
    
    /** This is a static final PdfName */
    public static final PdfName SEPARATION = new PdfName("Separation");
    
    /** This is a static final PdfName */
    public static final PdfName SHADING = new PdfName("Shading");
    
    /** This is a static final PdfName */
    public static final PdfName SHADINGTYPE = new PdfName("ShadingType");
    
    /** This is a static final PdfName */
    public static final PdfName SIG = new PdfName("Sig");
    
    /** This is a static final PdfName */
    public static final PdfName SIGFLAGS = new PdfName("SigFlags");
    
    /** This is a static final PdfName */
    public static final PdfName SINGLEPAGE = new PdfName("SinglePage");
    
    /** This is a static final PdfName */
    public static final PdfName SIZE = new PdfName("Size");
    
    /** This is a static final PdfName */
    public static final PdfName SQUARE = new PdfName("Square");
    
    /** This is a static final PdfName */
    public static final PdfName STAMP = new PdfName("Stamp");
    
    /** This is a static final PdfName */
    public static final PdfName STANDARD = new PdfName("Standard");
    
    /** This is a static final PdfName */
    public static final PdfName STRIKEOUT = new PdfName("StrikeOut");
    
    /** This is a static final PdfName */
    public static final PdfName SUBFILTER = new PdfName("SubFilter");
    
    /** This is a static final PdfName */
    public static final PdfName SUBJECT = new PdfName("Subject");
    
    /** This is a static final PdfName */
    public static final PdfName SUBMITFORM = new PdfName("SubmitForm");
    
    /** This is a static final PdfName */
    public static final PdfName SUBTYPE = new PdfName("Subtype");
    
    /** This is a static final PdfName */
    public static final PdfName SUPPLEMENT = new PdfName("Supplement");
    
    /** This is a static final PdfName */
    public static final PdfName SW = new PdfName("SW");
    
    /** This is a static final PdfName of a base 14 type 1 font */
    public static final PdfName SYMBOL = new PdfName("Symbol");
    
    /** This is a static final PdfName */
    public static final PdfName T = new PdfName("T");
    
    /** This is a static final PdfName */
    public static final PdfName TEXT = new PdfName("Text");
    
    /** This is a static final PdfName */
    public static final PdfName THUMB = new PdfName("Thumb");
    
    /** This is a static final PdfName */
    public static final PdfName THREADS = new PdfName("Threads");
    
    /** This is a static final PdfName */
    public static final PdfName TI = new PdfName("TI");
    
    /** This is a static final PdfName */
    public static final PdfName TILINGTYPE = new PdfName("TilingType");
    
    /** This is a static final PdfName of a base 14 type 1 font */
    public static final PdfName TIMES_ROMAN = new PdfName("Times-Roman");
    
    /** This is a static final PdfName of a base 14 type 1 font */
    public static final PdfName TIMES_BOLD = new PdfName("Times-Bold");
    
    /** This is a static final PdfName of a base 14 type 1 font */
    public static final PdfName TIMES_ITALIC = new PdfName("Times-Italic");
    
    /** This is a static final PdfName of a base 14 type 1 font */
    public static final PdfName TIMES_BOLDITALIC = new PdfName("Times-BoldItalic");
    
    /** This is a static final PdfName */
    public static final PdfName TITLE = new PdfName("Title");
    
    /** This is a static final PdfName */
    public static final PdfName TM = new PdfName("TM");
    
    /** This is a static final PdfName */
    public static final PdfName TP = new PdfName("TP");
    
    /** This is a static final PdfName */
    public static final PdfName TRANS = new PdfName("Trans");
    
    /** This is a static final PdfName */
    public static final PdfName TU = new PdfName("TU");
    
    /** This is a static final PdfName */
    public static final PdfName TWOCOLUMNLEFT = new PdfName("TwoColumnLeft");
    
    /** This is a static final PdfName */
    public static final PdfName TWOCOLUMNRIGHT = new PdfName("TwoColumnRight");
    
    /** This is a static final PdfName */
    public static final PdfName TX = new PdfName("Tx");
    
    /** This is a static final PdfName */
    public static final PdfName TYPE = new PdfName("Type");
    
    /** This is a static final PdfName */
    public static final PdfName TYPE1 = new PdfName("Type1");
    
    /** This is a static final PdfName of an attribute. */
    public static final PdfName U = new PdfName("U");
    
    /** This is a static final PdfName of an attribute. */
    public static final PdfName UNDERLINE = new PdfName("Underline");
    
    /** This is a static final PdfName */
    public static final PdfName URI = new PdfName("URI");
    
    /** This is a static final PdfName */
    public static final PdfName URL = new PdfName("URL");
    
    /** This is a static final PdfName */
    public static final PdfName USENONE = new PdfName("UseNone");
    
    /** This is a static final PdfName */
    public static final PdfName USEOUTLINES = new PdfName("UseOutlines");
    
    /** This is a static final PdfName */
    public static final PdfName USETHUMBS = new PdfName("UseThumbs");
    
    /** This is a static final PdfName */
    public static final PdfName V = new PdfName("V");
    
    /** This is a static final PdfName */
    public static final PdfName VIEWERPREFERENCES = new PdfName("ViewerPreferences");
    
    /** This is a static final PdfName of an attribute. */
    public static final PdfName W = new PdfName("W");
    
    /** This is a static final PdfName of an attribute. */
    public static final PdfName WIDGET = new PdfName("Widget");
    
    /** This is a static final PdfName of an attribute. */
    public static final PdfName WIDTH = new PdfName("Width");
    
    /** This is a static final PdfName */
    public static final PdfName WIDTHS = new PdfName("Widths");
    
    /** This is a static final PdfName of an encoding */
    public static final PdfName WIN = new PdfName("Win");
    
    /** This is a static final PdfName of an encoding */
    public static final PdfName WIN_ANSI_ENCODING = new PdfName("WinAnsiEncoding");
    
    /** This is a static final PdfName of an encoding */
    public static final PdfName WP = new PdfName("WP");
    
    /** This is a static final PdfName of an encoding */
    public static final PdfName WS = new PdfName("WS");
    
    /** This is a static final PdfName */
    public static final PdfName X = new PdfName("X");
    
    /** This is a static final PdfName */
    public static final PdfName XOBJECT = new PdfName("XObject");
    
    /** This is a static final PdfName */
    public static final PdfName XSTEP = new PdfName("XStep");
    
    /** This is a static final PdfName */
    public static final PdfName XYZ = new PdfName("XYZ");
    
    /** This is a static final PdfName */
    public static final PdfName YSTEP = new PdfName("YStep");
    
    /** This is a static final PdfName of a base 14 type 1 font */
    public static final PdfName ZAPFDINGBATS = new PdfName("ZapfDingbats");
    
    private int hash = 0;
    
    // constructors
    
    /**
     * Constructs a <CODE>PdfName</CODE>-object.
     *
     * @param		name		the new Name.
     */
    
    public PdfName(String name) {
        super(PdfObject.NAME, name);
        // The minimum number of characters in a name is 0, the maximum is 127 (the '/' not included)
        if (bytes.length > 127) {
            throw new IllegalArgumentException("The name is too long (" + bytes.length + " characters).");
        }
        // The name has to be checked for illegal characters
        int length = name.length();
        for (int i = 0; i < length; i++) {
            if (name.charAt(i) < 32 || name.charAt(i) > 255) {
                throw new IllegalArgumentException("Illegal character on position " + i + ".");
            }
        }
        // every special character has to be substituted
        StringBuffer pdfName = new StringBuffer("/");
        char character;
        // loop over all the characters
        for (int index = 0; index < length; index++) {
            character = name.charAt(index);
            // special characters are escaped (reference manual p.39)
            switch (character) {
                case ' ':
                case '%':
                case '(':
                case ')':
                case '<':
                case '>':
                case '[':
                case ']':
                case '{':
                case '}':
                case '/':
                case '#':
                    pdfName.append('#');
                    pdfName.append(Integer.toString((int) character, 16));
                    break;
                default:
                    if (character > 126) {
                        pdfName.append('#');
                        pdfName.append(Integer.toString((int) character, 16));
                    }
                    else
                        pdfName.append(character);
                    break;
            }
        }
        setContent(pdfName.toString());
    }
    
    // methods
    
    /**
     * Compares this object with the specified object for order.  Returns a
     * negative integer, zero, or a positive integer as this object is less
     * than, equal to, or greater than the specified object.<p>
     *
     *
     * @param   object the Object to be compared.
     * @return  a negative integer, zero, or a positive integer as this object
     *		is less than, equal to, or greater than the specified object.
     *
     * @throws ClassCastException if the specified object's type prevents it
     *         from being compared to this Object.
     */
    public int compareTo(Object object) {
        PdfName name = (PdfName) object;
        
        byte myBytes[] = bytes;
        byte objBytes[] = name.bytes;
        int len = Math.min(myBytes.length, objBytes.length);
        for(int i=0; i<len; i++) {
            if(myBytes[i] > objBytes[i])
                return 1;
            
            if(myBytes[i] < objBytes[i])
                return -1;
        }
        if (myBytes.length < objBytes.length)
            return -1;
        if (myBytes.length > objBytes.length)
            return 1;
        return 0;
    }
    
    /**
     * Indicates whether some other object is "equal to" this one.
     *
     * @param   obj   the reference object with which to compare.
     * @return  <code>true</code> if this object is the same as the obj
     *          argument; <code>false</code> otherwise.
     */
    public boolean equals(Object obj) {
        return compareTo(obj) == 0;
    }
    
    /**
     * Returns a hash code value for the object. This method is
     * supported for the benefit of hashtables such as those provided by
     * <code>java.util.Hashtable</code>.
     *
     * @return  a hash code value for this object.
     */
    public int hashCode() {
        int h = hash;
        if (h == 0) {
            int ptr = 0;
            int len = bytes.length;
            
            for (int i = 0; i < len; i++)
                h = 31*h + (bytes[ptr++] & 0xff);
            hash = h;
        }
        return h;
    }
    
    /** Decodes an escaped name in the form "/AB#20CD" into "AB CD".
     * @param name the name to decode
     * @return the decoded name
     */
    public static String decodeName(String name) {
        StringBuffer buf = new StringBuffer();
        try {
            int len = name.length();
            for (int k = 1; k < len; ++k) {
                char c = name.charAt(k);
                if (c == '#') {
                    c = (char)((PRTokeniser.getHex(name.charAt(k + 1)) << 4) + PRTokeniser.getHex(name.charAt(k + 2)));
                    k += 2;
                }
                buf.append(c);
            }
        }
        catch (IndexOutOfBoundsException e) {
            // empty on purpose
        }
        return buf.toString();
    }
}