com.itextpdf.text.Version Maven / Gradle / Ivy
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2019 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: [email protected]
*/
package com.itextpdf.text;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* This class contains version information about iText.
* DO NOT CHANGE THE VERSION INFORMATION WITHOUT PERMISSION OF THE COPYRIGHT HOLDERS OF ITEXT.
* Changing the version makes it extremely difficult to debug an application.
* Also, the nature of open source software is that you honor the copyright of the original creators of the software.
*/
public final class Version {
private static final Object staticLock = new Object();
// membervariables
/** String that will indicate if the AGPL version is used. */
public static String AGPL = " (AGPL-version)";
/** The iText version instance. */
private static volatile Version version = null;
/**
* This String contains the name of the product.
* iText is a registered trademark by iText Group NV.
* Please don't change this constant.
*/
private final String iText = "iText\u00ae";
/**
* This String contains the version number of this iText release.
* For debugging purposes, we request you NOT to change this constant.
*/
private final String release = "5.5.13.1";
/**
* This String contains the iText version as shown in the producer line.
* iText is a product developed by iText Group NV.
* iText Group requests that you retain the iText producer line
* in every PDF that is created or manipulated using iText.
*/
private String iTextVersion = iText + " " + release + " \u00a92000-2019 iText Group NV";
/**
* The license key.
*/
private String key = null;
/**
* Gets an instance of the iText version that is currently used.
* Note that iText Group requests that you retain the iText producer line
* in every PDF that is created or manipulated using iText.
*/
public static Version getInstance() {
synchronized (staticLock) {
if (version != null) {
return version;
}
}
Version localVersion = new Version();
try {
Class klass = Class.forName("com.itextpdf.licensekey.LicenseKey");
Class[] cArg = {String.class};
Method m = klass.getMethod("getLicenseeInfoForVersion",cArg);
Object[] args = {localVersion.release};
String[] info = (String[]) m.invoke(klass.newInstance(),args);
if (info[3] != null && info[3].trim().length() > 0) {
localVersion.key = info[3];
} else {
localVersion.key = "Trial version ";
if (info[5] == null) {
localVersion.key += "unauthorised";
} else {
localVersion.key += info[5];
}
}
if (info[4] != null && info[4].trim().length() > 0) {
localVersion.iTextVersion = info[4];
} else if (info[2] != null && info[2].trim().length() > 0) {
localVersion.iTextVersion += " (" + info[2];
if (!localVersion.key.toLowerCase().startsWith("trial")) {
localVersion.iTextVersion += "; licensed version)";
} else {
localVersion.iTextVersion += "; " + localVersion.key + ")";
}
} else if (info[0] != null && info[0].trim().length() > 0) {
// fall back to contact name, if company name is unavailable
localVersion.iTextVersion += " (" + info[0];
if (!localVersion.key.toLowerCase().startsWith("trial")) {
// we shouldn't have a licensed version without company name,
// but let's account for it anyway
localVersion.iTextVersion += "; licensed version)";
} else {
localVersion.iTextVersion += "; " + localVersion.key + ")";
}
} else {
throw new Exception();
}
} catch (Exception e) {
if (dependsOnTheOldLicense()) {
throw new RuntimeException("iText License Library 1.0.* has been deprecated. Please, update to the latest version.");
}
localVersion.iTextVersion += AGPL;
}
return atomicSetVersion(localVersion);
}
private static boolean dependsOnTheOldLicense() {
try {
Class klass = Class.forName("com.itextpdf.license.LicenseKey");
return klass.getField("PRODUCT_NAME") != null;
} catch (Exception e) {
return false;
}
}
/**
* Gets the product name.
* iText Group NV requests that you retain the iText producer line
* in every PDF that is created or manipulated using iText.
* @return the product name
*/
public String getProduct() {
return iText;
}
/**
* Gets the release number.
* iText Group NV requests that you retain the iText producer line
* in every PDF that is created or manipulated using iText.
* @return the release number
*/
public String getRelease() {
return release;
}
/**
* Returns the iText version as shown in the producer line.
* iText is a product developed by iText Group NV.
* iText Group requests that you retain the iText producer line
* in every PDF that is created or manipulated using iText.
* @return iText version
*/
public String getVersion() {
return iTextVersion;
}
/**
* Returns a license key if one was provided, or null if not.
* @return a license key.
*/
public String getKey() {
return key;
}
/**
* Checks if the AGPL version is used.
* @return returns true if the AGPL version is used.
*/
public static boolean isAGPLVersion() {
return getInstance().getVersion().indexOf(AGPL) > 0;
}
private static Version atomicSetVersion(Version newVersion) {
synchronized (staticLock) {
version = newVersion;
return version;
}
}
}