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.
/**
* Copyright 2010-2012 The Kuali Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ecl2.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kuali.common.util;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
/**
* Operations on String that are null safe
*/
public class Str {
public static final String EMPTY_STRING = "";
public static final String COMMA = ",";
public static final String SPACE = " ";
public static final String CR = "\r";
public static final String LF = "\n";
public static final String DOT = ".";
public static final String FORWARD_SLASH = "/";
public static final char DOUBLE_QUOTE = '"';
public static final boolean contains(List tokens, String value, boolean caseSensitive) {
for (String token : tokens) {
if (equals(token, value, caseSensitive)) {
return true;
}
}
return false;
}
public static final boolean equals(String s1, String s2, boolean caseSensitive) {
if (caseSensitive) {
return StringUtils.equals(s1, s2);
} else {
return StringUtils.equalsIgnoreCase(s1, s2);
}
}
/**
* Combine tokens into a String
*/
public static final String toString(String[] tokens) {
if (tokens == null) {
return null;
}
StringBuilder sb = new StringBuilder();
for (String token : tokens) {
sb.append(token);
}
return sb.toString();
}
/**
* Convert dots to forward slashes and trim.
*/
public static final String getPath(String s) {
return StringUtils.trim(StringUtils.replace(s, DOT, FORWARD_SLASH));
}
/**
* Surround the string with double quotes.
*/
public static final String quote(String s) {
return s == null ? null : DOUBLE_QUOTE + s + DOUBLE_QUOTE;
}
/**
* Split comma separated values into tokens, optionally trimming the tokens.
*/
public static final String[] splitCSV(String csv, boolean trim) {
return split(csv, COMMA, trim);
}
/**
* Split comma separated values into tokens, trimming as we go.
*/
public static final String[] splitAndTrimCSV(String csv) {
return splitCSV(csv, true);
}
/**
* Split the string into tokens using the indicated separator, trimming as we go.
*/
public static final String[] splitAndTrim(String s, String separatorChars) {
return split(s, separatorChars, true);
}
/**
* Split the string into tokens using the indicated separator chars, optionally trimming the tokens.
*/
public static final String[] split(String s, String separatorChars, boolean trim) {
String[] tokens = StringUtils.split(s, separatorChars);
if (tokens == null) {
return null;
}
for (int i = 0; i < tokens.length; i++) {
tokens[i] = trim ? StringUtils.trim(tokens[i]) : tokens[i];
}
return tokens;
}
/**
* Replace carriage returns and linefeeds with spaces.
*/
public static final String flatten(String s) {
return flatten(s, SPACE, SPACE);
}
/**
* Replace carriage returns with cr and linefeeds with lf.
*/
public static final String flatten(String s, String cr, String lf) {
return StringUtils.replace(StringUtils.replace(s, CR, cr), LF, lf);
}
}
