From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall 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/COSDictionary.java | 1167 +++++++++++++++++++++++ 1 file changed, 1167 insertions(+) create mode 100644 src/main/java/org/pdfbox/cos/COSDictionary.java (limited to 'src/main/java/org/pdfbox/cos/COSDictionary.java') diff --git a/src/main/java/org/pdfbox/cos/COSDictionary.java b/src/main/java/org/pdfbox/cos/COSDictionary.java new file mode 100644 index 0000000..eb92433 --- /dev/null +++ b/src/main/java/org/pdfbox/cos/COSDictionary.java @@ -0,0 +1,1167 @@ +/** + * 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.util.ArrayList; +import java.util.Calendar; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import java.util.Iterator; + +import org.pdfbox.exceptions.COSVisitorException; + +import org.pdfbox.pdmodel.common.COSObjectable; +import org.pdfbox.util.DateConverter; + +/** + * This class represents a dictionary where name/value pairs reside. + * + * @author Ben Litchfield (ben@csh.rit.edu) + * @version $Revision: 1.29 $ + */ +public class COSDictionary extends COSBase +{ + private static final String PATH_SEPARATOR = "/"; + + /** + * These are all of the items in the dictionary. + */ + private Map items = new HashMap(); + + /** + * Used to store original sequence of keys, for testing. + */ + private List keys = new ArrayList(); + + /** + * Constructor. + */ + public COSDictionary() + { + //default constructor + } + + /** + * Copy Constructor. This will make a shallow copy of this dictionary. + * + * @param dict The dictionary to copy. + */ + public COSDictionary( COSDictionary dict ) + { + items = new HashMap( dict.items ); + keys = new ArrayList( dict.keys ); + } + + /** + * This will return the number of elements in this dictionary. + * + * @return The number of elements in the dictionary. + */ + public int size() + { + return keys.size(); + } + + /** + * This will clear all items in the map. + */ + public void clear() + { + items.clear(); + keys.clear(); + } + + /** + * This will get an object from this dictionary. If the object is a reference then it will + * dereference it and get it from the document. If the object is COSNull then + * null will be returned. + * + * @param key The key to the object that we are getting. + * + * @return The object that matches the key. + */ + public COSBase getDictionaryObject( String key ) + { + return getDictionaryObject( COSName.getPDFName( key ) ); + } + + /** + * This is a special case of getDictionaryObject that takes multiple keys, it will handle + * the situation where multiple keys could get the same value, ie if either CS or ColorSpace + * is used to get the colorspace. + * This will get an object from this dictionary. If the object is a reference then it will + * dereference it and get it from the document. If the object is COSNull then + * null will be returned. + * + * @param keyList The list of keys to find a value. + * + * @return The object that matches the key. + */ + public COSBase getDictionaryObject( String[] keyList ) + { + COSBase retval = null; + for( int i=0; i