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/xml/XMLUtil.java
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2020 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, Balder Van Camp, 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.xml;
/**
* Contains utility methods for XML.
* @author Balder
* @since 5.0.6
*
*/
public class XMLUtil {
/**
* Escapes a string with the appropriated XML codes.
* @param s the string to be escaped
* @param onlyASCII codes above 127 will always be escaped with &#nn; if <CODE>true</CODE>
* @return the escaped string
* @since 5.0.6
*/
public static String escapeXML(final String s, final boolean onlyASCII) {
char cc[] = s.toCharArray();
int len = cc.length;
StringBuffer sb = new StringBuffer();
for (int k = 0; k < len; ++k) {
int c = cc[k];
switch (c) {
case '<':
sb.append("<");
break;
case '>':
sb.append(">");
break;
case '&':
sb.append("&");
break;
case '"':
sb.append(""");
break;
case '\'':
sb.append("'");
break;
default:
if (isValidCharacterValue(c)) {
if (onlyASCII && c > 127)
sb.append("&#").append(c).append(';');
else
sb.append((char)c);
}
}
}
return sb.toString();
}
/**
* Unescapes a String, replacing &#nn;, <, >, &, ",
* and &apos to the corresponding characters.
* @param s a String with entities
* @return the unescaped string
*/
public static String unescapeXML(final String s) {
char[] cc = s.toCharArray();
int len = cc.length;
StringBuffer sb = new StringBuffer();
int pos;
String esc;
for (int i = 0; i < len; i++) {
int c = cc[i];
if (c == '&') {
pos = findInArray(';', cc, i + 3);
if (pos > -1) {
esc = new String(cc, i + 1, pos - i - 1);
if (esc.startsWith("#")) {
esc = esc.substring(1);
if (isValidCharacterValue(esc)) {
c = (char)Integer.parseInt(esc);
i = pos;
} else {
i = pos;
continue;
}
}
else {
int tmp = unescape(esc);
if (tmp > 0) {
c = tmp;
i = pos;
}
}
}
}
sb.append((char)c);
}
return sb.toString();
}
/**
* Unescapes 'lt', 'gt', 'apos', 'quote' and 'amp' to the
* corresponding character values.
* @param s a string representing a character
* @return a character value
*/
public static int unescape(String s) {
if ("apos".equals(s))
return '\'';
if ("quot".equals(s))
return '"';
if ("lt".equals(s))
return '<';
if ("gt".equals(s))
return '>';
if ("amp".equals(s))
return '&';
return -1;
}
/**
* Checks if a character value should be escaped/unescaped.
* @param s the String representation of an integer
* @return true if it's OK to escape or unescape this value
*/
public static boolean isValidCharacterValue(String s) {
try {
int i = Integer.parseInt(s);
return isValidCharacterValue(i);
}
catch (NumberFormatException nfe) {
return false;
}
}
/**
* Checks if a character value should be escaped/unescaped.
* @param c a character value
* @return true if it's OK to escape or unescape this value
*/
public static boolean isValidCharacterValue(int c) {
return (c == 0x9 || c == 0xA || c == 0xD
|| c >= 0x20 && c <= 0xD7FF
|| c >= 0xE000 && c <= 0xFFFD
|| c >= 0x10000 && c <= 0x10FFFF);
}
/**
* Looks for a character in a character array, starting from a certain position
* @param needle the character you're looking for
* @param haystack the character array
* @param start the start position
* @return the position where the character was found, or -1 if it wasn't found.
*/
public static int findInArray(char needle, char[] haystack, int start) {
for (int i = start; i < haystack.length; i++) {
if (haystack[i] == ';')
return i;
}
return -1;
}
/**
* Unescapes a string, replacing &lt;, &gt;, &amp;, &apos;, &quot;
* and and &#nn; by the approriate characters.
* @param s the string to be unescaped
* @return the unescaped string
* @since 5.1.3
*/
/**
* Returns the IANA encoding name that is auto-detected from
* the bytes specified, with the endian-ness of that encoding where appropriate.
* (method found in org.apache.xerces.impl.XMLEntityManager, originally published
* by the Apache Software Foundation under the Apache Software License; now being
* used in iText under the MPL)
* @param b4 The first four bytes of the input.
* @return an IANA-encoding string
* @since 5.0.6
*/
public static String getEncodingName(final byte[] b4) {
// UTF-16, with BOM
int b0 = b4[0] & 0xFF;
int b1 = b4[1] & 0xFF;
if (b0 == 0xFE && b1 == 0xFF) {
// UTF-16, big-endian
return "UTF-16BE";
}
if (b0 == 0xFF && b1 == 0xFE) {
// UTF-16, little-endian
return "UTF-16LE";
}
// UTF-8 with a BOM
int b2 = b4[2] & 0xFF;
if (b0 == 0xEF && b1 == 0xBB && b2 == 0xBF) {
return "UTF-8";
}
// other encodings
int b3 = b4[3] & 0xFF;
if (b0 == 0x00 && b1 == 0x00 && b2 == 0x00 && b3 == 0x3C) {
// UCS-4, big endian (1234)
return "ISO-10646-UCS-4";
}
if (b0 == 0x3C && b1 == 0x00 && b2 == 0x00 && b3 == 0x00) {
// UCS-4, little endian (4321)
return "ISO-10646-UCS-4";
}
if (b0 == 0x00 && b1 == 0x00 && b2 == 0x3C && b3 == 0x00) {
// UCS-4, unusual octet order (2143)
// REVISIT: What should this be?
return "ISO-10646-UCS-4";
}
if (b0 == 0x00 && b1 == 0x3C && b2 == 0x00 && b3 == 0x00) {
// UCS-4, unusual octet order (3412)
// REVISIT: What should this be?
return "ISO-10646-UCS-4";
}
if (b0 == 0x00 && b1 == 0x3C && b2 == 0x00 && b3 == 0x3F) {
// UTF-16, big-endian, no BOM
// (or could turn out to be UCS-2...
// REVISIT: What should this be?
return "UTF-16BE";
}
if (b0 == 0x3C && b1 == 0x00 && b2 == 0x3F && b3 == 0x00) {
// UTF-16, little-endian, no BOM
// (or could turn out to be UCS-2...
return "UTF-16LE";
}
if (b0 == 0x4C && b1 == 0x6F && b2 == 0xA7 && b3 == 0x94) {
// EBCDIC
// a la xerces1, return CP037 instead of EBCDIC here
return "CP037";
}
// default encoding
return "UTF-8";
}
}
⏎ com/itextpdf/text/xml/XMLUtil.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
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2021-07-03, 113149👍, 0💬
