Java stringescapeutils. com "Java Source Code Warehouse" project. Purpose of StringEscapeUtils StringEscapeUtils is a utility class which escapes and unescapes String for Java, JavaScript, HTML, XML, and SQL. By doing so, we can protect our applications from cross-site scripting (XSS) attacks and prevent unintended markup interpretation. escapeJava("£") escapes to \\u00A3 I can understand that emojis contain backslashes and so are escaped, but why is the pound sign being escaped, and how do I stop it from being escaped? commons-lang工具包. htmlEscape() and custom logic for special cases. java) This example Java source code file (StringEscapeUtils. lang3. gradle: Sep 3, 2023 · In this blog we will learn how to use StringEscapeutils api in java with detailed explanation and examples Nov 14, 2025 · Apache Commons Lang3 is a staple library in the Java ecosystem, providing utility classes for common operations like string manipulation, object validation, and more. text You can replace the deprecated library easily: In your build. Its StringEscapeUtils class has many convenient methods and among them is StringEscapeUtils. compare org. Class StringEscapeUtils java. 6w次，点赞14次，收藏34次。本文演示了如何使用commons-lang库中的StringEscapeUtils类来处理不同场景下的字符串转义和反转义操作，包括Java、HTML、XML和JavaScript等。 StringEscapeUtils的主要功能就是为Java，Java Script， Html，XML进行转义与反转义。 escapeJava (String input) / unescapeJava (String unionCodeString) 将输入字符串转为unicode编码 / 将 unicode字符串转为utf-8 格式的字符串 The StringEscapeUtils class from Apache Commons Lang is commonly used for escaping strings in various formats such as HTML, XML, and JSON. ESCAPE_XML. io. apache. MAX_VALUE)) ); But instead of UnicodeEscaper, NumericEntityEscaper has to be used. java) is included in the alvinalexander. Apache Commons Lang provides utilities for manipulating strings, including escaping and unescaping text in Java applications. Apache Commons Lang中的StringEscapeUtils工具类提供了方便的字符串转义和反转义功能，适用于HTML、XML和Java等场景。虽然在3. unescapeHtml4 () within the package org. 6, use Apache Commons Text StringEscapeUtils instead. </p> * * @param input the {@code String} to unescape, may be null * @return a new unescaped {@code String}, {@code null} if null string input */ public static final String unescapeJava Packages org. 本文详细解析了如何使用 Java 开发工具 StringEscapeUtils 提升代码性能，包括转义与反转义方法的优化技巧。 Java StringEscapeUtils. For years, `org. 0 There are some reserved characters in Java that need to be transformed or escaped to be considered as a string literal. As of 3. The code is tested using the latest revision of the JDK for supported LTS releases: 8, 11, 17, 21 and 25 currently. lang3 and I've found that the newer version of StringEscapeUtils no longer has the method escapeJava I'm processing some Java source code using Java. put I've been tasked with updating our code from using org. escapeJava() is to call the translate() method for the UnicodeUnescaper() class: Learn how to escape strings in Java effectively with examples and best practices discussed by the Stack Overflow community. For example, @Test public void test_StringEscapeUtils() { In this tutorial, we’ll explore different ways to escape HTML symbols in Java. Apache Commons Lang, a package of Java utility classes for the classes that are in java. A simple way to to remove the Unicode escapes in the string returned by StringEscapeUtils. builder org. IOException - when Writer passed throws the exception from calls to the Writer. Since: 3. One particular method, escapeJava (), specializes in escaping Java-specific characters within a given string. StringEscapeUtils. lang3 org. These source code samples are taken from different open source projects I tried Apache Commons ' StringEscapeUtils. Object org. 0 compliant. lang3 to org. 4 into my External Libraries on Eclipse, but still I can't get the program to even run. apache工具包common-lang中有一个很有用的处理字符串的工具类，其中之一就是StringEscapeUtils,这个工具类是在2. IllegalArgumentException - if the writer is null java. lang3 的包中有许多方便好用的工具类，类似于处理字符串的StringUtils，处理日期的DateUtil等等，StringEscapeUtils也是其中的一员。 commons-text commons-beanutils2 commons-build-plugin commons-collections4 commons-compress commons-configuration2 commons-crypto commons-csv commons-dbcp2 commons-digester3 commons-email commons-email2-core commons-email2-jakarta commons-email2-javax commons-email2-parent commons-exec commons-fileupload2 commons-fileupload2-core commons-fileupload2-distribution commons-fileupload2-jakarta Learn how to fix the 'StringEscapeUtils cannot be resolved' error in Java, including step-by-step solutions and common mistakes to avoid. If you still wish this functionality, you can achieve it * via the following: * {@code StringEscapeUtils. However, issues may arise specifically when working with UTF-8 encoded strings, leading to unexpected behavior. StringEscapeUtils public class StringEscapeUtils extends Object java. ESCAPE_ECMASCRIPT public static final CharSequenceTranslator ESCAPE_ECMASCRIPT Translator object for escaping EcmaScript StringEscapeUtils public StringEscapeUtils () StringEscapeUtils instances should NOT be constructed in standard programming. And if not, how can I escape it? Currently I'm using StringEscapeUtils. 0版本后不再支持SQL语句的处理，但其仍可用于防止SQL注入。要使用该工具，需引入对应的jar包。本文通过代码示例展示了其主要方法的用法。 Apache Commons is a popular Java library with the goal and focus on reusing components. 0以后我看着 Deprecated. 4k次，点赞2次，收藏11次。本文详细介绍Apache Commons Lang库中的StringEscapeUtils类，包括html、xml、java、javascript及csv字符串的转义与非转义操作，通过示例代码演示如何处理特殊字符。. StringEscapeUtils This java examples will help you to understand the usage of org. Contribute to Cultivators/Commons-Lang-Resource development by creating an account on GitHub. 0 Java examples unescapes an HTML string to a string containing the actual Unicode characters using StringEscapeUtils and a custom method. 0 Translator object for escaping Java. ESCAPE_JAVA public static final CharSequenceTranslator ESCAPE_JAVA Translator object for escaping Java. It turns out, it does a lot of unnecessary operations. While escapeJava(String) is the expected method of use, this object allows the Java escaping functionality to be used as the foundation for a custom translator. If we don't escape these special characters then parsers like DOM or SAX parsers in java would consider them as XML tags specifically in the case of < and >. StringEscapeUtils public class StringEscapeUtils extends Object where can i find this class StringEscapeUtils that can automatically escape the characters instead of manualy doing on my search i found the util called StringEscapeUtils but i could not find i * * While {@link #escapeJava (String)} is the expected method of use, this object allows the Java escaping functionality to be used as the foundation for a * custom translator. escapeJava (data))//\u1F44A\ StringEscapeUtils public StringEscapeUtils () StringEscapeUtils instances should NOT be constructed in standard programming. unescapeHtml3 () in my project, but I wasn't satisfied with its performance. These source code samples are taken from different open source projects Nov 4, 2025 · Exploring limitations of standard Java escape unescaping methods and presenting robust custom Java code solutions for complex string literal decoding. Java转义工具类StringEscapeUtils的学习笔记 前言 在java. Learn more about this Java project at its project page. I want to escape $ symbol along with other characters like '<', '>' etc. The output is like below (Fyi - I just printed some part of the For a comprehensive set of String escaping utilities, consider Apache Commons Text and its StringEscapeUtils class. escapeHtml4(), Spring's HtmlUtils. 3版本以上加上的去的，利用它能很方便的进行html,xml,java等的转义与反转义，而且还能对关键字符串进行处理预防SQL注入，不过好像common-lang3. While escapeJava (String) is the expected method of use, this object allows the Java escaping functionality to be used as the foundation for a custom translator. arch org. UnicodeEscaper will change everything to \u1234 symbols, but NumericEntityEscaper escapes as &#123;, that was expected. escapeJava () from Apache Commons, but this is marked as deprecated since 3. StringEscapeUtils * For example, it will turn a sequence of {@code '\'} and * {@code 'n'} into a newline character, unless the {@code '\'} * is preceded by another {@code '\'}. 6 and the suggestion is to move to the commons-text package. 文章浏览阅读9. 3 for converting my complex Java object into a String object, so below is what I'm getting in output. StringEscapeUtils` was the go-to tool for escaping/unescaping HTML, XML, and other text formats. import org. concurrent ESCAPE_JAVA public static final CharSequenceTranslator ESCAPE_JAVA Translator object for escaping Java. I am using Jackson version 2. commons. 0 The StringEscapeUtils are meant to be used in pairs: if you use escapeXML you should use unescapeXML to get the original string. StringEscapeUtils. MAX_VALUE));}</p> * * @param input the {@link String} to escape, may be null * @return a new escaped {@link String}, {@code null} if null string input * @see #unescapeXml (String Java examples to escape HTML using the StringEscapeUtils. escapeJava ("foo"); This constructor is public to permit tools that require a JavaBean instance to operate. "StringEscapeUtils cannot be resolved" He has imported the above file and I have added commons. When dealing with escaping characters for HTML, it is better to use dedicated libraries that are explicitly designed for this purpose, which ensure better security and functionality beyond what was provided in This java examples will help you to understand the usage of org. This page shows Java code examples of org. text: String expectedQuote = "\"Hello\" Baeldung"; String escapedQuote = ""Hello" Baeldung"; While StringEscapeUtils is nice it will not escape whitespace properly for attributes if you wish to avoid HTML/XML whitespace normalization. */ public static final CharSequenceTranslator ESCAPE_JAVA; static { final Map<CharSequence, CharSequence> escapeJavaMap = new HashMap<> (); escapeJavaMap. Instead, the class should be used as: StringEscapeUtils. See my answer for greater detail. Escapes and unescapes String s for Java, Java Script, HTML, XML, and SQL. UNESCAPE_JAVA public static final CharSequenceTranslator UNESCAPE_JAVA Translator object for unescaping escaped Java. 0 The class was moved from package org. #ThreadSafe# Since: 2. with ( NumericEntityEscaper. escapeHtml4 as regular text Asked 3 years, 2 months ago Modified 3 years, 2 months ago Viewed 1k times @Bas - there's nothing in the standard Java library to do this, so either you use a third-party library that can do this for you, or you have to write it yourself (not recommended). Learn how to properly escape and unescape Unicode characters in Java using `StringEscapeUtils` effectively for managing Unicode escapes in your applications. Even if we use XSLT transform these parsers would fail. - How to escape HTML in Java In Java, we can use Apache commons-text, StringEscapeUtils. Deprecated. write(int) methods. So just wanted to know if StringEscapeUtils supported this. That being said, if you are absolutely sure that your string is escaped using the correct formatting, you can use the unescape function. 0 Since: 3. escapeHtml4(str) to escape HTML characters. The intent of this project is to help you " Learn Java by Example " TM. apache-3 3. The StringEscapeUtils class in Apache Commons Text offers a comprehensive set of methods for escaping different types of characters in Java. We do not use that class here in order to avoid a runtime dependency on Commons Text just for HTML escaping. with( new UnicodeEscaper(Range. While unescapeJava (String) is the expected method of use, this object allows the Java unescaping functionality to be used as the foundation for a custom translator. java. 4. Java -> Apache Commons StringEscapeUtils -> escapeJavaScript Asked 17 years, 3 months ago Modified 17 years, 3 months ago Viewed 8k times java. 文章浏览阅读5. 3. lang to org. between (0x7f, Integer. between(0x7f, Integer. The class `StringEscapeUtils` from the Apache Commons Lang library was deprecated due to the evolution of the web standards and security considerations surrounding HTML escaping. " but I couldn't find a formal definition of " Java String rules ". lang. StringEscapeUtils val data=" " println (StringEscapeUtils. Furthermore, Spring's HTML escaping is more flexible and 100% HTML 4. I am getting \u1F44A\u1F44A where i am expecting \ud83d\udc4d\ud83d\udc4d. I'm extracting the string literals and feeding them to a function taking a String. Escapes and unescapes String s for Java, Java Script, HTML and XML. lang's hierarchy, or are considered to be so standard as to justify existence in java. The problem is that I need to pass the unescaped version of the S Its Javadoc states " Escapes the characters in a String using Java String rules. Java example source code file (StringEscapeUtils. ltdjfc, to5w, ignhc, n3zo5, l5m7y, sj0kz, buor, equfm, vuzjvd, ytvmj,