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Questions tagged [apache-stringutils]

StringUtils is a class belonging to Apache Commons package. It offers utility methods for dealing with strings.

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Find an String with some keys in java

Consider a map as below: Map("PDF","application/pdf") Map("XLSX","application/vnd.openxmlformats-officedocument.spreadsheetml.sheet") Map("CVS","application/csv") .... There is an export method which gets the export button name and find the export…
Alireza Fattahi
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Which would be best to use setMessage(null) or StringUtils.EMPTY?

I need to clear the warning or say error message,which will be the best one to choose setMessage(null) or by using StringUtils.EMPTY - i just want to know the exact way of using StringUtils.EMPTY,it would be helpful... Thanks & Regards.
user2787836
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apache Common StringUtils.replacePattern vs java.lang.String.replaceAll

I am trying to know the pros and cons of using apache.commons.StringUtils.replacePattern() instead of the java.lang.String.replaceAll() function. I heard that the replacePattern() function improves the performance but I could not find that stated in…
Yeshwanth Kota
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Count instances of string in string

I'm making some changes to a Java Tapestry application that I didn't build. I need to use a Java class to count the number of times a line break (/r) occurs in a string. Does Tapestry have a built-in tool for doing this, or a reference guide for…
Ila
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cannot find symbol symbol : variable StringUtils

I was trying to print the following statement in my jsp. out.println("myBookIdStatus="+StringUtils.isEmpty(obj.getValue(0,"value"))); Even though I have imported <%@page import="org.apache.commons.lang.StringUtils"%> , I am getting following…
Nidheesh
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Selective HTML escaping with Java

Is there anything in JavaSE, Spring or Apache Commons StringUtils that would allow me to strip out HTML from a String but also supply a whitelist of HTML entities that I would like to allow? Thanks
csilk
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How do I check a string is empty or null using if statement in Java?

I need to get the enum itself first by using RegoDocumentType.getByValue(createOrderRequest.getIdDocument().getIdType()) Then check for null value, if it is not null, it will return the enum value. Else, it will return the…
ginny
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How to capture first paragraph and store in String in java

I have to capture first paragraph characters and need to store in string.If the paragraph contains more than 300 characters we have to capture 300 only. I wrote some code to do the same but it captures if the paragraph contains 300 or else it tries…
Mahesh C
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import does not seem to be working correctly in Eclipse/Java

I was using the following: String x; ... ... // x gets set somewhere in this code String y = x.replaceAll("\\s+", " ").trim(); Then I found org.apache.commons.lang3.StringUtils.normalizeSpace() which does the same thing. So at the top of my class I…
Tony
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Apache commons lang. Stringutils.splitByWholeseparator doing weird stuff.

As I understand from the official documentation, null as a separator string should split on WhiteSpace, so this System.out.println(JSON.serialize(StringUtils.splitByWholeSeparator("ab de fg", null))); should produce [ "ab" , "de" , "fg"] However,…
VaidAbhishek
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How does the offset parameter works in the function abbreviate(String str,int offset,int maxWidth), in package org.apache.commons.lang.StringUtils

I am presently working with the apache commons lang package, StringUtils class. I found there are two abbreviation methods: abbreviate(String str,int maxwidth) and abbreviate(String str,int offset,int maxwidth) it is absolutely ok with the first…
Rivu Chakraborty
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Why would StringUtils return the incorrect # of matches of a substring?

I am using StringUtils from the apache commons library to check the # of matches of a substring within the source code of an html page. I have converted the page source using the webdriver command: String pageSource = driver.getPageSource(); …
kevin
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Is using StringUtils.EMPTY recommended in unit test where StringUtils.isBlank method is used?

I have function public void foo(final String s) { if(StringUtils.isBlank(s) {//throw error} //rest of the logic } and unit test @Test(//expected exception) public void testFooWithBlankString() { ClassOfFoo.foo(StringUtils.EMPTY); } Is this…
Rishabh Singhal
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Double closing tags generated

I am using JSOUP library to parse the html.But I was ending up having extra closing tags with encoded <>(< and >) added up in my DOM.Hence I used the String utils library to get rid of that encoded stuff.Hence I still have duplicate closing tags…
Swaraj Chhatre
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StringUtils.substringBetween returns null value

I've a problem with the following code: public String SearchText(String fileName, String First, String Last) { String tag = new String(); String file = FileUtils.readFileToString(new File(fileName)); tag =…
user1595513
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