itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

⏎ com/itextpdf/xmp/options/Options.java

//Copyright (c) 2006, Adobe Systems Incorporated
//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. All advertising materials mentioning features or use of this software
//        must display the following acknowledgement:
//        This product includes software developed by the Adobe Systems Incorporated.
//        4. Neither the name of the Adobe Systems Incorporated 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 ADOBE SYSTEMS INCORPORATED ''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 ADOBE SYSTEMS INCORPORATED 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.adobe.com/devnet/xmp/library/eula-xmp-library-java.html

package com.itextpdf.xmp.options;

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

import com.itextpdf.xmp.XMPError;
import com.itextpdf.xmp.XMPException;

/**
 * The base class for a collection of 32 flag bits. Individual flags are defined as enum value bit
 * masks. Inheriting classes add convenience accessor methods.
 * 
 * @since 24.01.2006
 */
public abstract class Options
{
	/** the internal int containing all options */
	private int options = 0;
	/** a map containing the bit names */
	private Map optionNames = null;


	/**
	 * The default constructor.
	 */
	public Options()
	{
		// EMTPY
	}


	/**
	 * Constructor with the options bit mask. 
	 * 
	 * @param options the options bit mask
	 * @throws XMPException If the options are not correct
	 */
	public Options(int options) throws XMPException
	{
		assertOptionsValid(options);
		setOptions(options);
	}

	
	/**
	 * Resets the options.
	 */
	public void clear()
	{
		options = 0;
	}
	
	
	/**
	 * @param optionBits an option bitmask
	 * @return Returns true, if this object is equal to the given options. 
	 */
	public boolean isExactly(int optionBits)
	{
		return getOptions() == optionBits;
	}


	/**
	 * @param optionBits an option bitmask
	 * @return Returns true, if this object contains all given options. 
	 */
	public boolean containsAllOptions(int optionBits)
	{
		return (getOptions() & optionBits) == optionBits;
	}


	/**
	 * @param optionBits an option bitmask
	 * @return Returns true, if this object contain at least one of the given options. 
	 */
	public boolean containsOneOf(int optionBits)
	{
		return ((getOptions()) & optionBits) != 0;
	}	

	
	/**
	 * @param optionBit the binary bit or bits that are requested
	 * @return Returns if <emp>all</emp> of the requested bits are set or not.
	 */
	protected boolean getOption(int optionBit)
	{
		return (options & optionBit) != 0;
	}


	/**
	 * @param optionBits the binary bit or bits that shall be set to the given value
	 * @param value the boolean value to set
	 */
	public void setOption(int optionBits, boolean value)
	{
		options = value ? options | optionBits : options & ~optionBits;
	}

	
	/**
	 * Is friendly to access it during the tests.
	 * @return Returns the options.
	 */
	public int getOptions()
	{
		return options;
	}


	/**
	 * @param options The options to set.
	 * @throws XMPException 
	 */
	public void setOptions(int options) throws XMPException
	{
		assertOptionsValid(options);
		this.options = options;
	}
	
	
	/**
	 * @see Object#equals(Object)
	 */
	public boolean equals(Object obj)
	{
		return getOptions() == ((Options) obj).getOptions();
	}
	
	
	/**
	 * @see java.lang.Object#hashCode()
	 */
	public int hashCode()
	{
		return getOptions();
	}
	
	
	/**
	 * Creates a human readable string from the set options. <em>Note:</em> This method is quite
	 * expensive and should only be used within tests or as
	 * @return Returns a String listing all options that are set to <code>true</code> by their name,
	 * like &quot;option1 | option4&quot;.
	 */
	public String getOptionsString()
	{
		if (options != 0)
		{	
			StringBuffer sb = new StringBuffer();
			int theBits = options;
			while (theBits != 0)
			{
				int oneLessBit = theBits & (theBits - 1); // clear rightmost one bit
				int singleBit = theBits ^ oneLessBit;
				String bitName = getOptionName(singleBit);
				sb.append(bitName);
				if (oneLessBit != 0)
				{	
					sb.append(" | ");
				}	
				theBits = oneLessBit;
			}
			return sb.toString();
		}	
		else
		{
			return "<none>";
		}
	}

	
	/**
	 * @return Returns the options as hex bitmask. 
	 */
	public String toString()
	{
		return "0x" + Integer.toHexString(options);
	}
	
	
	/**
	 * To be implemeted by inheritants.
	 * @return Returns a bit mask where all valid option bits are set.
	 */
	protected abstract int getValidOptions();
	
	
	/**
	 * To be implemeted by inheritants.
	 * @param option a single, valid option bit.
	 * @return Returns a human readable name for an option bit.
	 */
	protected abstract String defineOptionName(int option);
	
	
	/**
	 * The inheriting option class can do additional checks on the options.
	 * <em>Note:</em> For performance reasons this method is only called 
	 * when setting bitmasks directly.
	 * When get- and set-methods are used, this method must be called manually,
	 * normally only when the Options-object has been created from a client
	 * (it has to be made public therefore).
	 * 
	 * @param options the bitmask to check.
	 * @throws XMPException Thrown if the options are not consistent.
	 */
	protected void assertConsistency(int options) throws XMPException
	{
		// empty, no checks
	}
	
	
	/**
	 * Checks options before they are set.
	 * First it is checked if only defined options are used,
	 * second the additional {@link Options#assertConsistency(int)}-method is called.
	 *  
	 * @param options the options to check
	 * @throws XMPException Thrown if the options are invalid.
	 */
	private void assertOptionsValid(int options) throws XMPException
	{
		int invalidOptions = options & ~getValidOptions();
		if (invalidOptions == 0)
		{
			assertConsistency(options);
		}
		else
		{
			throw new XMPException("The option bit(s) 0x" + Integer.toHexString(invalidOptions)
					+ " are invalid!", XMPError.BADOPTIONS);
		}
	}
	
	
	
	/**
	 * Looks up or asks the inherited class for the name of an option bit.
	 * Its save that there is only one valid option handed into the method.
	 * @param option a single option bit
	 * @return Returns the option name or undefined.
	 */
	private String getOptionName(int option)
	{
		Map optionsNames = procureOptionNames();
		
		Integer key = new Integer(option);
		String result = (String) optionsNames.get(key);
		if (result == null)
		{
			result = defineOptionName(option);
			if (result != null)
			{
				optionsNames.put(key, result); 
			}
			else
			{
				result = "<option name not defined>";
			}
		}
		
		return result;
	}


	/**
	 * @return Returns the optionNames map and creates it if required.
	 */
	private Map procureOptionNames()
	{
		if (optionNames == null)
		{	
			optionNames = new HashMap();
		}
		return optionNames;
	}
}

⏎ com/itextpdf/xmp/options/Options.java

Or download all of them as a single archive file:

File name: itextpdf-5.5.14-fyi.zip
File size: 2163839 bytes
Release date: 2009-10-09
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