org.apache.cocoon.util.StringUtils Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* 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.apache.cocoon.util;
/**
* A collection of String handling utility methods.
*
* @version $Id: StringUtils.java 489488 2006-12-21 22:38:17Z danielf $
*/
public class StringUtils {
/**
* Split a string as an array using whitespace as separator
*
* @param line The string to be split
* @return An array of whitespace-separated tokens
*/
public static String[] split(String line) {
return split(line, " \t\n\r");
}
/**
* Split a string as an array using a given set of separators
*
* @param line The string to be split
* @param delimiter A string containing token separators
* @return An array of token
* @deprecated Use commons lang instead.
*/
public static String[] split(String line, String delimiter) {
return org.apache.commons.lang.StringUtils.split(line, delimiter);
}
/**
* Tests whether a given character is alphabetic, numeric or
* underscore
*
* @param c The character to be tested
* @return whether the given character is alphameric or not
*/
public static boolean isAlphaNumeric(char c) {
return c == '_' ||
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9');
}
/**
* Replaces tokens in input with Value present in System.getProperty
*/
public static String replaceToken(String s) {
int startToken = s.indexOf("${");
int endToken = s.indexOf("}",startToken);
String token = s.substring(startToken+2,endToken);
StringBuffer value = new StringBuffer();
value.append(s.substring(0,startToken));
value.append(System.getProperty(token));
value.append(s.substring(endToken+1));
return value.toString();
}
}