From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 1 Dec 2006 12:20:24 +0000
Subject: Initial import of release 2.2.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 src/main/java/org/pdfbox/cos/COSName.java | 572 ++++++++++++++++++++++++++++++
 1 file changed, 572 insertions(+)
 create mode 100644 src/main/java/org/pdfbox/cos/COSName.java

(limited to 'src/main/java/org/pdfbox/cos/COSName.java')

diff --git a/src/main/java/org/pdfbox/cos/COSName.java b/src/main/java/org/pdfbox/cos/COSName.java
new file mode 100644
index 0000000..8532cc4
--- /dev/null
+++ b/src/main/java/org/pdfbox/cos/COSName.java
@@ -0,0 +1,572 @@
+/**
+ * Copyright (c) 2003-2005, 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 Ben Litchfield (ben@benlitchfield.com)
+ * @version $Revision: 1.38 $
+ */
+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 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 DESCENDANT_FONTS = new COSName(  "DescendantFonts" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName DIFFERENCES = new COSName( "Differences" );
+    /**
+    * 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 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 DV = new COSName( "DV" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName ENCODING = new COSName( "Encoding" );
+    /**
+    * 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 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.
+    */
+    public static final COSName KIDS = new COSName( "Kids" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName LAB = new COSName( "Lab" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName LAST_CHAR = new COSName( "LastChar" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName LENGTH = new COSName( "Length" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName LENGTH1 = new COSName( "Length1" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName LZW_DECODE = new COSName( "LZWDecode" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName LZW_DECODE_ABBREVIATION = new COSName( "LZW" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName MAC_ROMAN_ENCODING = new COSName( "MacRomanEncoding" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName MATRIX = new COSName( "Matrix" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName MEDIA_BOX = new COSName(  "MediaBox" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName METADATA = new COSName(  "Metadata" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName N = new COSName( "N" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName NAME = new COSName( "Name" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName P = new COSName( "P" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName PAGE = new COSName( "Page" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName PAGES = new COSName( "Pages" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName PARENT = new COSName( "Parent" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName PATTERN = new COSName( "Pattern" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName PDF_DOC_ENCODING = new COSName( "PDFDocEncoding" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName PREV = new COSName( "Prev" );
+    /**
+     * A common COSName value.
+     */
+     public static final COSName R = new COSName( "R" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName RESOURCES = new COSName( "Resources" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName ROOT = new COSName( "Root" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName ROTATE = new COSName(  "Rotate" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName RUN_LENGTH_DECODE = new COSName( "RunLengthDecode" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName RUN_LENGTH_DECODE_ABBREVIATION = new COSName( "RL" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName SEPARATION = new COSName( "Separation" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName STANDARD_ENCODING = new COSName( "StandardEncoding" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName SUBTYPE = new COSName( "Subtype" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName TRIM_BOX = new COSName("TrimBox" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName TRUE_TYPE = new COSName("TrueType" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName TO_UNICODE = new COSName( "ToUnicode" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName TYPE = new COSName( "Type" );
+    /**
+     * A common COSName value.
+     */
+    public static final COSName TYPE0 = new COSName(  "Type0" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName V = new COSName( "V" );
+    /**
+     * A common COSName value.
+     */
+     public static final COSName VERSION = new COSName( "Version" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName WIDTHS = new COSName( "Widths" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName WIN_ANSI_ENCODING = new COSName( "WinAnsiEncoding" );
+    /**
+    * A common COSName value.
+    */
+    public static final COSName XOBJECT = new COSName( "XObject" );
+    
+    /**
+     * The prefix to a PDF name.
+     */
+    public static final byte[] NAME_PREFIX = new byte[] { 47  }; // The / character
+    /**
+     * The escape character for a name.
+     */
+    public static final byte[] NAME_ESCAPE = new byte[] { 35  };  //The # character
+
+    private String name;
+    private int hashCode;
+
+    /**
+     * This will get a COSName object with that name.
+     *
+     * @param aName The name of the object.
+     *
+     * @return A COSName with the specified name.
+     */
+    public static final COSName getPDFName( String aName )
+    {
+        COSName name = null;
+        if( aName != null )
+        {
+            name = (COSName)nameMap.get( aName );
+            if( name == null )
+            {
+                //name is added to map in the constructor
+                name = new COSName( aName );
+            }
+        }
+        return name;
+    }
+
+    /**
+     * Private constructor.  This will limit the number of COSName objects.
+     * that are created.
+     *
+     * @param aName The name of the COSName object.
+     */
+    private COSName( String aName )
+    {
+        name = aName;
+        nameMap.put( aName, this );
+        hashCode = name.hashCode();
+    }
+
+    /**
+     * This will get the name of this COSName object.
+     *
+     * @return The name of the object.
+     */
+    public String getName()
+    {
+        return name;
+    }
+
+    /**
+     * @see Object#toString()
+     */
+    public String toString()
+    {
+        return "COSName{" + name + "}";
+    }
+
+    /**
+     * @see Object#equals( Object )
+     */
+    public boolean equals( Object o )
+    {
+        boolean retval = this == o;
+        if( !retval && o instanceof COSName )
+        {
+            COSName other = (COSName)o;
+            retval = name == other.name || name.equals( other.name );
+        }
+        return retval;
+    }
+
+    /**
+     * @see Object#hashCode()
+     */
+    public int hashCode()
+    {
+        return hashCode;
+    }
+    
+    /**
+     * @see Comparable#compareTo( Object )
+     */
+    public int compareTo(Object o)
+    {
+        COSName other = (COSName)o;
+        return this.name.compareTo( other.name );
+    }
+
+
+
+    /**
+     * visitor pattern double dispatch method.
+     *
+     * @param visitor The object to notify when visiting this object.
+     * @return any object, depending on the visitor implementation, or null
+     * @throws COSVisitorException If an error occurs while visiting this object.
+     */
+    public Object accept(ICOSVisitor  visitor) throws COSVisitorException
+    {
+        return visitor.visitFromName(this);
+    }
+    
+    /**
+     * This will output this string as a PDF object.
+     *  
+     * @param output The stream to write to.
+     * @throws IOException If there is an error writing to the stream.
+     */
+    public void writePDF( OutputStream output ) throws IOException
+    {
+        output.write(NAME_PREFIX);
+        byte[] bytes = getName().getBytes();
+        for (int i = 0; i < bytes.length;i++)
+        {
+            int current = ((bytes[i]+256)%256);
+
+            if(current <= 32 || current >= 127 ||
+               current == '(' ||
+               current == ')' ||
+               current == '[' ||
+               current == ']' ||
+               current == '/' ||
+               current == '%' ||
+               current == '<' ||
+               current == '>' ||
+               current == NAME_ESCAPE[0] )
+            {
+                output.write(NAME_ESCAPE);
+                output.write(COSHEXTable.TABLE[current]);
+            }
+            else
+            {
+                output.write(current);
+            }
+        }
+    }
+}
\ No newline at end of file
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