cosname.java

非常有用的操作pdf文件的java源码

/**
 * Copyright (c) 2003-2006, www.pdfbox.org
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of pdfbox; nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * http://www.pdfbox.org
 *
 */
package org.pdfbox.cos;

import java.io.IOException;
import java.io.OutputStream;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import org.pdfbox.exceptions.COSVisitorException;
import org.pdfbox.persistence.util.COSHEXTable;


/**
 * This class represents a PDF named object.
 *
 * @author <a href="mailto:[e-mail]">Ben Litchfield</a>
 * @version $Revision: 1.42 $
 */
public final class COSName extends COSBase implements Comparable
{
    /**
     * Note: This is synchronized because a HashMap must be synchronized if accessed by 
     * multiple threads.
     */
    private static Map nameMap = Collections.synchronizedMap( new HashMap(8192) );

    
    /**
     * A common COSName value.
     */
    public static final COSName A = new COSName( "A" );
    /**
     * A common COSName value.
     */
    public static final COSName AA = new COSName( "AA" );
    /**
    * A common COSName value.
    */
    public static final COSName ACRO_FORM = new COSName( "AcroForm" );
    /**
    * A common COSName value.
    */
    public static final COSName ANNOTS = new COSName( "Annots" );
    /**
     * A common COSName value.
     */
    public static final COSName ART_BOX = new COSName("ArtBox" );
    /**
    * A common COSName value.
    */
    public static final COSName ASCII85_DECODE = new COSName( "ASCII85Decode" );
    /**
    * A common COSName value.
    */
    public static final COSName ASCII85_DECODE_ABBREVIATION = new COSName( "A85" );
    /**
    * A common COSName value.
    */
    public static final COSName ASCII_HEX_DECODE = new COSName( "ASCIIHexDecode" );
    /**
    * A common COSName value.
    */
    public static final COSName ASCII_HEX_DECODE_ABBREVIATION = new COSName( "AHx" );
    /**
    * A common COSName value.
    */
    public static final COSName AP = new COSName( "AP" );
    /**
     * A common COSName value.
     */
    public static final COSName B = new COSName( "B" );
    /**
    * A common COSName value.
    */
    public static final COSName BASE_ENCODING = new COSName( "BaseEncoding" );
    /**
    * A common COSName value.
    */
    public static final COSName BASE_FONT = new COSName( "BaseFont" );
    /**
    * A common COSName value.
    */
    public static final COSName BBOX = new COSName( "BBox" );
    /**
     * A common COSName value.
     */
    public static final COSName BLEED_BOX = new COSName("BleedBox" );
    /**
    * A common COSName value.
    */
    public static final COSName CATALOG = new COSName( "Catalog" );
    /**
    * A common COSName value.
    */
    public static final COSName CALGRAY = new COSName( "CalGray" );
    /**
    * A common COSName value.
    */
    public static final COSName CALRGB = new COSName( "CalRGB" );
    /**
    * A common COSName value.
    */
    public static final COSName CCITTFAX_DECODE = new COSName( "CCITTFaxDecode" );
    /**
    * A common COSName value.
    */
    public static final COSName CCITTFAX_DECODE_ABBREVIATION = new COSName( "CCF" );
    /**
    * A common COSName value.
    */
    public static final COSName COLORSPACE = new COSName( "ColorSpace" );
    /**
    * A common COSName value.
    */
    public static final COSName CONTENTS = new COSName( "Contents" );
    /**
    * A common COSName value.
    */
    public static final COSName COUNT = new COSName( "Count" );
    /**
     * A common COSName value.
     */
    public static final COSName CROP_BOX = new COSName(  "CropBox" );
    /**
     * A common COSName value.
     */
    public static final COSName DCT_DECODE = new COSName( "DCTDecode" );
    /**
     * A common COSName value.
     */
    public static final COSName DCT_DECODE_ABBREVIATION = new COSName( "DCT" );
    /**
     * A common COSName value.
     */
    public static final COSName DESCENDANT_FONTS = new COSName(  "DescendantFonts" );
    /**
     * A common COSName value.
     */
    public static final COSName DEST = new COSName(  "Dest" );
    /**
    * A common COSName value.
    */
    public static final COSName DEVICECMYK = new COSName( "DeviceCMYK" );
    /**
    * A common COSName value.
    */
    public static final COSName DEVICEGRAY = new COSName( "DeviceGray" );
    /**
    * A common COSName value.
    */
    public static final COSName DEVICEN = new COSName( "DeviceN" );
    /**
    * A common COSName value.
    */
    public static final COSName DEVICERGB = new COSName( "DeviceRGB" );
    /**
     * A common COSName value.
     */
    public static final COSName DIFFERENCES = new COSName( "Differences" );
    /**
    * A common COSName value.
    */
    public static final COSName DV = new COSName( "DV" );
    /**
    * A common COSName value.
    */
    public static final COSName ENCODING = new COSName( "Encoding" );
    /**
     * A common COSName value.
     */
    public static final COSName ENCODING_90MS_RKSJ_H = new COSName( "90ms-RKSJ-H" );
    /**
     * A common COSName value.
     */
    public static final COSName ENCODING_90MS_RKSJ_V = new COSName( "90ms-RKSJ-V" );
    /**
     * A common COSName value.
     */
    public static final COSName ENCODING_ETEN_B5_H = new COSName( "ETen?B5?H" );
    /**
     * A common COSName value.
     */
    public static final COSName ENCODING_ETEN_B5_V = new COSName( "ETen?B5?V" );
    /**
     * A common COSName value.
     */
    public static final COSName FIELDS = new COSName( "Fields" );
    /**
    * A common COSName value.
    */
    public static final COSName FILTER = new COSName( "Filter" );
    /**
    * A common COSName value.
    */
    public static final COSName FIRST_CHAR = new COSName( "FirstChar" );
    /**
    * A common COSName value.
    */
    public static final COSName FLATE_DECODE = new COSName( "FlateDecode" );
    /**
    * A common COSName value.
    */
    public static final COSName FLATE_DECODE_ABBREVIATION = new COSName( "Fl" );
    /**
    * A common COSName value.
    */
    public static final COSName FONT = new COSName( "Font" );
    /**
     * A common COSName value.
     */
    public static final COSName FONT_FILE = new COSName("FontFile");
    /**
     * A common COSName value.
     */
    public static final COSName FONT_FILE2 = new COSName("FontFile2");
    /**
     * A common COSName value.
     */
    public static final COSName FONT_FILE3 = new COSName("FontFile3");
    /**
     * A common COSName value.
     */
    public static final COSName FONT_DESC = new COSName("FontDescriptor");
    /**
     * A common COSName value.
     */
    public static final COSName FONT_MATRIX = new COSName("FontMatrix" );
    /**
    * A common COSName value.
    */
    public static final COSName FORMTYPE = new COSName( "FormType" );
    /**
    * A common COSName value.
    */
    public static final COSName FRM = new COSName( "FRM" );
    /**
     * A common COSName value.
     */
     public static final COSName H = new COSName( "H" );
    /**
    * A common COSName value.
    */
    public static final COSName HEIGHT = new COSName( "Height" );
    /**
    * A common COSName value.
    */
    public static final COSName ICCBASED = new COSName( "ICCBased" );
    /**
    * A common COSName value.
    */
    public static final COSName IDENTITY_H = new COSName( "Identity-H" );
    /**
    * A common COSName value.
    */
    public static final COSName IMAGE = new COSName( "Image" );
    /**
    * A common COSName value.
    */
    public static final COSName INDEXED = new COSName( "Indexed" );
    /**
     * A common COSName value.
     */
    public static final COSName INFO = new COSName( "Info" );
    /**
    * A common COSName value.
    */
    public static final COSName JPX_DECODE = new COSName( "JPXDecode" );
    /**
    * A common COSName value.