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iText 5 itextpdf.jar Source Code
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:
✍: FYIcenter.com
⏎ com/itextpdf/text/pdf/PdfDictionary.java
/* * * This file is part of the iText (R) project. Copyright (c) 1998-2020 iText Group NV * Authors: Bruno Lowagie, Paulo Soares, et al. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT * OF THIRD PARTY RIGHTS * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA, 02110-1301 USA, or download the license from the following URL: * http://itextpdf.com/terms-of-use/ * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License. * * In accordance with Section 7(b) of the GNU Affero General Public License, * a covered work must retain the producer line in every PDF that is created * or manipulated using iText. * * You can be released from the requirements of the license by purchasing * a commercial license. Buying such a license is mandatory as soon as you * develop commercial activities involving the iText software without * disclosing the source code of your own applications. * These activities include: offering paid services to customers as an ASP, * serving PDFs on the fly in a web application, shipping iText with a closed * source product. * * For more information, please contact iText Software Corp. at this * address: sales@itextpdf.com */ package com.itextpdf.text.pdf; import com.itextpdf.text.error_messages.MessageLocalization; import com.itextpdf.text.pdf.internal.PdfIsoKeys; import java.io.IOException; import java.io.OutputStream; import java.util.LinkedHashMap; import java.util.Map.Entry; import java.util.Set; /** * <CODE>PdfDictionary</CODE> is the Pdf dictionary object. * <P> * A dictionary is an associative table containing pairs of objects. * The first element of each pair is called the <I>key</I> and the second * element is called the <I>value</I>. * Unlike dictionaries in the PostScript language, a key must be a * <CODE>PdfName</CODE>. * A value can be any kind of <CODE>PdfObject</CODE>, including a dictionary. * A dictionary is generally used to collect and tie together the attributes * of a complex object, with each key-value pair specifying the name and value * of an attribute.<BR> * A dictionary is represented by two left angle brackets (<<), followed by a * sequence of key-value pairs, followed by two right angle brackets (>>).<BR> * This object is described in the 'Portable Document Format Reference Manual * version 1.7' section 3.2.6 (page 59-60). * <P> * * @see PdfObject * @see PdfName * @see BadPdfFormatException */ public class PdfDictionary extends PdfObject { // CONSTANTS /** This is a possible type of dictionary */ public static final PdfName FONT = PdfName.FONT; /** This is a possible type of dictionary */ public static final PdfName OUTLINES = PdfName.OUTLINES; /** This is a possible type of dictionary */ public static final PdfName PAGE = PdfName.PAGE; /** This is a possible type of dictionary */ public static final PdfName PAGES = PdfName.PAGES; /** This is a possible type of dictionary */ public static final PdfName CATALOG = PdfName.CATALOG; // CLASS VARIABLES /** This is the type of this dictionary */ private PdfName dictionaryType = null; /** This is the hashmap that contains all the values and keys of the dictionary */ protected LinkedHashMap<PdfName, PdfObject> hashMap; // CONSTRUCTORS /** * Constructs an empty <CODE>PdfDictionary</CODE>-object. */ public PdfDictionary() { super(DICTIONARY); hashMap = new LinkedHashMap<PdfName, PdfObject>(); } public PdfDictionary(int capacity) { super(DICTIONARY); hashMap = new LinkedHashMap<PdfName, PdfObject>(capacity); } /** * Constructs a <CODE>PdfDictionary</CODE>-object of a certain type. * * @param type a <CODE>PdfName</CODE> */ public PdfDictionary(final PdfName type) { this(); dictionaryType = type; put(PdfName.TYPE, dictionaryType); } // METHODS OVERRIDING SOME PDFOBJECT METHODS /** * Writes the PDF representation of this <CODE>PdfDictionary</CODE> as an * array of <CODE>byte</CODE> to the given <CODE>OutputStream</CODE>. * * @param writer for backwards compatibility * @param os the <CODE>OutputStream</CODE> to write the bytes to. * @throws IOException */ @Override public void toPdf(final PdfWriter writer, final OutputStream os) throws IOException { PdfWriter.checkPdfIsoConformance(writer, PdfIsoKeys.PDFISOKEY_OBJECT, this); os.write('<'); os.write('<'); // loop over all the object-pairs in the HashMap PdfObject value; int type = 0; for (Entry<PdfName, PdfObject> e: hashMap.entrySet()) { e.getKey().toPdf(writer, os); value = e.getValue(); type = value.type(); if (type != PdfObject.ARRAY && type != PdfObject.DICTIONARY && type != PdfObject.NAME && type != PdfObject.STRING) os.write(' '); value.toPdf(writer, os); } os.write('>'); os.write('>'); } /** * Returns a string representation of this <CODE>PdfDictionary</CODE>. * * The string doesn't contain any of the content of this dictionary. * Rather the string "dictionary" is returned, possibly followed by the * type of this <CODE>PdfDictionary</CODE>, if set. * * @return the string representation of this <CODE>PdfDictionary</CODE> * @see com.itextpdf.text.pdf.PdfObject#toString() */ @Override public String toString() { if (get(PdfName.TYPE) == null) return "Dictionary"; return "Dictionary of type: " + get(PdfName.TYPE); } // DICTIONARY CONTENT METHODS /** * Associates the specified <CODE>PdfObject</CODE> as <VAR>value</VAR> with * the specified <CODE>PdfName</CODE> as <VAR>key</VAR> in this map. * * If the map previously contained a mapping for this <VAR>key</VAR>, the * old <VAR>value</VAR> is replaced. If the <VAR>value</VAR> is * <CODE>null</CODE> or <CODE>PdfNull</CODE> the key is deleted. * * @param key a <CODE>PdfName</CODE> * @param object the <CODE>PdfObject</CODE> to be associated with the * <VAR>key</VAR> */ public void put(final PdfName key, final PdfObject object) { if (key == null) throw new IllegalArgumentException(MessageLocalization.getComposedMessage("key.is.null")); if (object == null || object.isNull()) hashMap.remove(key); else hashMap.put(key, object); } /** * Associates the specified <CODE>PdfObject</CODE> as value to the * specified <CODE>PdfName</CODE> as key in this map. * * If the <VAR>value</VAR> is a <CODE>PdfNull</CODE>, it is treated just as * any other <CODE>PdfObject</CODE>. If the <VAR>value</VAR> is * <CODE>null</CODE> however nothing is done. * * @param key a <CODE>PdfName</CODE> * @param value the <CODE>PdfObject</CODE> to be associated to the * <VAR>key</VAR> */ public void putEx(final PdfName key, final PdfObject value) { if (key == null) throw new IllegalArgumentException(MessageLocalization.getComposedMessage("key.is.null")); if (value == null) return; put(key, value); } /** * Copies all of the mappings from the specified <CODE>PdfDictionary</CODE> * to this <CODE>PdfDictionary</CODE>. * * These mappings will replace any mappings previously contained in this * <CODE>PdfDictionary</CODE>. * * @param dic The <CODE>PdfDictionary</CODE> with the mappings to be * copied over */ public void putAll(final PdfDictionary dic) { hashMap.putAll(dic.hashMap); } /** * Removes a <CODE>PdfObject</CODE> and its <VAR>key</VAR> from the * <CODE>PdfDictionary</CODE>. * * @param key a <CODE>PdfName</CODE> */ public void remove(final PdfName key) { hashMap.remove(key); } /** * Removes all the <CODE>PdfObject</CODE>s and its <VAR>key</VAR>s from the * <CODE>PdfDictionary</CODE>. * @since 5.0.2 */ public void clear() { hashMap.clear(); } /** * Returns the <CODE>PdfObject</CODE> associated to the specified * <VAR>key</VAR>. * * @param key a <CODE>PdfName</CODE> * @return the </CODE>PdfObject</CODE> previously associated to the * <VAR>key</VAR> */ public PdfObject get(final PdfName key) { return hashMap.get(key); } /** * Returns the <CODE>PdfObject</CODE> associated to the specified * <VAR>key</VAR>, resolving a possible indirect reference to a direct * object. * * This method will never return a <CODE>PdfIndirectReference</CODE> * object. * * @param key A key for the <CODE>PdfObject</CODE> to be returned * @return A direct <CODE>PdfObject</CODE> or <CODE>null</CODE> */ public PdfObject getDirectObject(final PdfName key) { return PdfReader.getPdfObject(get(key)); } /** * Get all keys that are set. * * @return <CODE>true</CODE> if it is, otherwise <CODE>false</CODE>. */ public Set<PdfName> getKeys() { return hashMap.keySet(); } /** * Returns the number of <VAR>key</VAR>-<VAR>value</VAR> mappings in this * <CODE>PdfDictionary</CODE>. * * @return the number of <VAR>key</VAR>-<VAR>value</VAR> mappings in this * <CODE>PdfDictionary</CODE>. */ public int size() { return hashMap.size(); } /** * Returns <CODE>true</CODE> if this <CODE>PdfDictionary</CODE> contains a * mapping for the specified <VAR>key</VAR>. * * @return <CODE>true</CODE> if the key is set, otherwise <CODE>false</CODE>. */ public boolean contains(final PdfName key) { return hashMap.containsKey(key); } // DICTIONARY TYPE METHODS /** * Checks if a <CODE>Dictionary</CODE> is of the type FONT. * * @return <CODE>true</CODE> if it is, otherwise <CODE>false</CODE>. */ public boolean isFont() { return checkType(FONT); } /** * Checks if a <CODE>Dictionary</CODE> is of the type PAGE. * * @return <CODE>true</CODE> if it is, otherwise <CODE>false</CODE>. */ public boolean isPage() { return checkType(PAGE); } /** * Checks if a <CODE>Dictionary</CODE> is of the type PAGES. * * @return <CODE>true</CODE> if it is, otherwise <CODE>false</CODE>. */ public boolean isPages() { return checkType(PAGES); } /** * Checks if a <CODE>Dictionary</CODE> is of the type CATALOG. * * @return <CODE>true</CODE> if it is, otherwise <CODE>false</CODE>. */ public boolean isCatalog() { return checkType(CATALOG); } /** * Checks if a <CODE>Dictionary</CODE> is of the type OUTLINES. * * @return <CODE>true</CODE> if it is, otherwise <CODE>false</CODE>. */ public boolean isOutlineTree() { return checkType(OUTLINES); } /** * Checks the type of the dictionary. * @param type the type you're looking for * @return true if the type of the dictionary corresponds with the type you're looking for */ public boolean checkType(PdfName type) { if (type == null) return false; if (dictionaryType == null) dictionaryType = getAsName(PdfName.TYPE); return type.equals(dictionaryType); } // OTHER METHODS public void merge(final PdfDictionary other) { hashMap.putAll(other.hashMap); } public void mergeDifferent(final PdfDictionary other) { for (PdfName key : other.hashMap.keySet()) { if (!hashMap.containsKey(key)) hashMap.put(key, other.hashMap.get(key)); } } // DOWNCASTING GETTERS // @author Mark A Storer (2/17/06) /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfDictionary</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfDictionary</CODE>, it is cast down and returned as * such. Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfDictionary</CODE> object, * or <CODE>null</CODE> */ public PdfDictionary getAsDict(final PdfName key) { PdfDictionary dict = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isDictionary()) dict = (PdfDictionary) orig; return dict; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfArray</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfArray</CODE>, it is cast down and returned as such. * Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfArray</CODE> object, * or <CODE>null</CODE> */ public PdfArray getAsArray(final PdfName key) { PdfArray array = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isArray()) array = (PdfArray) orig; return array; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfStream</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfStream</CODE>, it is cast down and returned as such. * Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfStream</CODE> object, * or <CODE>null</CODE> */ public PdfStream getAsStream(final PdfName key) { PdfStream stream = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isStream()) stream = (PdfStream) orig; return stream; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfString</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfString</CODE>, it is cast down and returned as such. * Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfString</CODE> object, * or <CODE>null</CODE> */ public PdfString getAsString(final PdfName key) { PdfString string = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isString()) string = (PdfString) orig; return string; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfNumber</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfNumber</CODE>, it is cast down and returned as such. * Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfNumber</CODE> object, * or <CODE>null</CODE> */ public PdfNumber getAsNumber(final PdfName key) { PdfNumber number = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isNumber()) number = (PdfNumber) orig; return number; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfName</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfName</CODE>, it is cast down and returned as such. * Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfName</CODE> object, * or <CODE>null</CODE> */ public PdfName getAsName(final PdfName key) { PdfName name = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isName()) name = (PdfName) orig; return name; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfBoolean</CODE>, * resolving indirect references. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * and resolved to a direct object. * If it is a <CODE>PdfBoolean</CODE>, it is cast down and returned as such. * Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfBoolean</CODE> object, * or <CODE>null</CODE> */ public PdfBoolean getAsBoolean(final PdfName key) { PdfBoolean bool = null; PdfObject orig = getDirectObject(key); if (orig != null && orig.isBoolean()) bool = (PdfBoolean)orig; return bool; } /** * Returns a <CODE>PdfObject</CODE> as a <CODE>PdfIndirectReference</CODE>. * * The object associated with the <CODE>PdfName</CODE> given is retrieved * If it is a <CODE>PdfIndirectReference</CODE>, it is cast down and returned * as such. Otherwise <CODE>null</CODE> is returned. * * @param key A <CODE>PdfName</CODE> * @return the associated <CODE>PdfIndirectReference</CODE> object, * or <CODE>null</CODE> */ public PdfIndirectReference getAsIndirectObject(final PdfName key) { PdfIndirectReference ref = null; PdfObject orig = get(key); // not getDirect this time. if (orig != null && orig.isIndirect()) ref = (PdfIndirectReference) orig; return ref; } }
⏎ com/itextpdf/text/pdf/PdfDictionary.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 Download
⇒ iText-2.1.6.jar - iText, a JAVA-PDF library
⇐ iText layout.jar Source Code
2021-07-03, 144534👍, 0💬
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