org.jbpm.designer.client.shared.util.StringUtils Maven / Gradle / Ivy
/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.jbpm.designer.client.shared.util;
import com.google.gwt.http.client.URL;
/**
* String utility functions
*/
public class StringUtils {
/**
* Puts strings inside quotes and numerics are left as they are.
*
* @param str
* @return
*/
public static String createQuotedConstant(String str) {
if (str == null || str.isEmpty()) {
return str;
}
try
{
Double.parseDouble(str);
}
catch(NumberFormatException nfe)
{
return "\"" + str + "\"";
}
return str;
}
/**
* Removes double-quotes from around a string
*
* @param str
* @return
*/
public static String createUnquotedConstant(String str) {
if (str == null || str.isEmpty()) {
return str;
}
if (str.startsWith("\"")) {
str = str.substring(1);
}
if (str.endsWith("\"")) {
str = str.substring(0, str.length() - 1);
}
return str;
}
/**
* URLEncode a string
*
* @param s
* @return
*/
public static String urlEncode(String s) {
if (s == null || s.isEmpty()) {
return s;
}
return URL.encodeQueryString(s);
}
/**
* URLDecode a string
*
* @param s
* @return
*/
public static String urlDecode(String s) {
if (s == null || s.isEmpty()) {
return s;
}
return URL.decodeQueryString(s);
}
}
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