Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2018 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.kernel;
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 {
/**
* Lock object used for synchronization
*/
private static final Object staticLock = new Object();
/**
* String that will indicate if the AGPL version is used.
*/
private static final 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 static final String iTextProductName = "iText\u00ae";
/**
* This String contains the version number of this iText release.
* For debugging purposes, we request you NOT to change this constant.
*/
private static final String release = "7.1.4";
/**
* 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 static final String producerLine = iTextProductName + " " + release + " \u00a92000-2018 iText Group NV";
/**
* The version info;
*/
private final VersionInfo info;
private boolean expired;
/**
* @depricated Use {@link Version#getInstance()} instead. Will be removed in next major release.
*/
@Deprecated
public Version() {
this.info = new VersionInfo(iTextProductName, release, producerLine, null);
}
private Version(VersionInfo info, boolean expired) {
this.info = info;
this.expired = expired;
}
/**
* 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;
String key = null;
try {
String coreVersion = release;
String[] info = getLicenseeInfoFromLicenseKey(coreVersion);
if(info != null){
if (info[3] != null && info[3].trim().length() > 0) {
key = info[3];
} else {
key = "Trial version ";
if (info[5] == null) {
key += "unauthorised";
} else {
key += info[5];
}
}
if (info.length > 6) {
if (info[6] != null && info[6].trim().length() > 0) {
//Compare versions with this release versions
checkLicenseVersion(coreVersion, info[6]);
}
}
if (info[4] != null && info[4].trim().length() > 0) {
localVersion = initVersion(info[4], key, false);
} else if (info[2] != null && info[2].trim().length() > 0) {
localVersion = initDefaultLicensedVersion(info[2], key);
} else if (info[0] != null && info[0].trim().length() > 0) {
// fall back to contact name, if company name is unavailable.
// we shouldn't have a licensed version without company name,
// but let's account for it anyway
localVersion = initDefaultLicensedVersion(info[0], key);
} else {
localVersion = initAGPLVersion(null, key);
}
} else {
localVersion = initAGPLVersion(null, key);
}
//Catch the exception
} catch(LicenseVersionException lve) {
//Rethrow license version exceptions
throw lve;
}catch(ClassNotFoundException cnfe){
//License key library not on classpath, switch to AGPL
localVersion = initAGPLVersion(null, key);
} catch (Exception e) {
//Check if an iText5 license is loaded
if(e.getCause() != null && e.getCause().getMessage().equals(LicenseVersionException.LICENSE_FILE_NOT_LOADED)) {
if (isiText5licenseLoaded()) {
throw new LicenseVersionException(LicenseVersionException.NO_I_TEXT7_LICENSE_IS_LOADED_BUT_AN_I_TEXT5_LICENSE_IS_LOADED);
}
}
localVersion = initAGPLVersion(e.getCause(), key);
}
return atomicSetVersion(localVersion);
}
/**
* 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;
}
/**
* Is the license expired?
* @return true if expired
*/
public static boolean isExpired() {
return getInstance().expired;
}
/**
* 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 info.getProduct();
}
/**
* 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 info.getRelease();
}
/**
* 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 info.getVersion();
}
/**
* Returns a license key if one was provided, or null if not.
*
* @return a license key.
*/
public String getKey() {
return info.getKey();
}
/**
* Returns a version info in one class
*
* @return a version info.
*/
public VersionInfo getInfo() {
return info;
}
private static Version initDefaultLicensedVersion(String ownerName, String key) {
String producer = producerLine + " (" + ownerName;
if (! key.toLowerCase().startsWith("trial")) {
producer += "; licensed version)";
} else {
producer += "; " + key + ")";
}
return initVersion(producer, key, false);
}
private static Version initAGPLVersion(Throwable cause, String key) {
String producer = producerLine + AGPL;
boolean expired = cause != null && cause.getMessage() != null && cause.getMessage().contains("expired");
return initVersion(producer, key, expired);
}
private static Version initVersion(String producer, String key, boolean expired) {
return new Version(new VersionInfo(iTextProductName, release, producer, key), expired);
}
private static Class getLicenseKeyClass() throws ClassNotFoundException {
String licenseKeyClassFullName = "com.itextpdf.licensekey.LicenseKey";
return Class.forName(licenseKeyClassFullName);
}
private static void checkLicenseVersion(String coreVersionString, String licenseVersionString){
String[] coreVersions = parseVersionString(coreVersionString);
String[] licenseVersions = parseVersionString(licenseVersionString);
int coreMajor = Integer.parseInt(coreVersions[0]);
int coreMinor = Integer.parseInt(coreVersions[1]);
int licenseMajor = Integer.parseInt(licenseVersions[0]);
int licenseMinor = Integer.parseInt(licenseVersions[1]);
//Major version check
if(licenseMajor < coreMajor){
throw new LicenseVersionException(LicenseVersionException.THE_MAJOR_VERSION_OF_THE_LICENSE_0_IS_LOWER_THAN_THE_MAJOR_VERSION_1_OF_THE_CORE_LIBRARY).setMessageParams(licenseMajor,coreMajor);
}
if(licenseMajor>coreMajor){
throw new LicenseVersionException(LicenseVersionException.THE_MAJOR_VERSION_OF_THE_LICENSE_0_IS_HIGHER_THAN_THE_MAJOR_VERSION_1_OF_THE_CORE_LIBRARY).setMessageParams(licenseMajor,coreMajor);
}
//Minor version check
if(licenseMinor < coreMinor){
throw new LicenseVersionException(LicenseVersionException.THE_MINOR_VERSION_OF_THE_LICENSE_0_IS_LOWER_THAN_THE_MINOR_VERSION_1_OF_THE_CORE_LIBRARY).setMessageParams(licenseMinor,coreMinor);
}
}
private static String[] parseVersionString(String version){
String splitRegex = "\\.";
String[] split = version.split(splitRegex);
//Guard for empty versions and throw exceptions
if(split.length == 0){
throw new LicenseVersionException(LicenseVersionException.VERSION_STRING_IS_EMPTY_AND_CANNOT_BE_PARSED);
}
//Desired Format: X.Y.Z-....
//Also catch X, X.Y-...
String major = split[0];
String minor ="0"; //If no minor version is present, default to 0
if(split.length > 1) {
minor = split[1].substring(0);
}
//Check if both values are numbers
if(!isVersionNumeric(major)) throw new LicenseVersionException(LicenseVersionException.MAJOR_VERSION_IS_NOT_NUMERIC);
if(!isVersionNumeric(minor)) throw new LicenseVersionException(LicenseVersionException.MINOR_VERSION_IS_NOT_NUMERIC);
return new String[]{major,minor};
}
private static String[] getLicenseeInfoFromLicenseKey(String validatorKey) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InstantiationException, InvocationTargetException {
String licenseeInfoMethodName = "getLicenseeInfoForVersion";
Class klass = getLicenseKeyClass();
if (klass != null) {
Class[] cArg = {String.class};
Method m = klass.getMethod(licenseeInfoMethodName, cArg);
Object[] args = {validatorKey};
String[] info = (String[]) m.invoke(klass.newInstance(), args);
return info;
}
return null;
}
private static boolean isiText5licenseLoaded(){
String validatorKey5 = "5";
boolean result = false;
try {
String[] info = getLicenseeInfoFromLicenseKey(validatorKey5);
result = true;
}catch(Exception e){
//TODO: Log this exception?
}
return result;
}
private static boolean isVersionNumeric(String version){
//I did not want to introduce an extra dependency on apache.commons in order to use StringUtils.
//This small method is not the most optimal, but it should do for release
try{
Double.parseDouble(version);
return true;
}catch(NumberFormatException e){
return false;
}
}
private static Version atomicSetVersion(Version newVersion) {
synchronized (staticLock) {
version = newVersion;
return version;
}
}
}