org.teamapps.dto.generate.StringRenderer Maven / Gradle / Ivy
/*-
* ========================LICENSE_START=================================
* TeamApps
* ---
* Copyright (C) 2014 - 2024 TeamApps.org
* ---
* 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.
* =========================LICENSE_END==================================
*/
package org.teamapps.dto.generate;
import com.google.common.base.CaseFormat;
import org.stringtemplate.v4.AttributeRenderer;
import java.util.Locale;
public class StringRenderer implements AttributeRenderer {
public String toString(Object o, String formatString, Locale locale) {
String s = (String) o;
if (formatString == null) {
return s;
} else if (formatString.equals("upper")) {
return s.toUpperCase(locale);
} else if (formatString.equals("lower")) {
return s.toLowerCase(locale);
} else if (formatString.equals("cap")) {
return s.length() > 0 ? Character.toUpperCase(s.charAt(0)) + s.substring(1) : s;
} else if (formatString.equals("javaConstant")) {
return CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, s);
} else {
throw new IllegalArgumentException("unknown string format: " + formatString);
}
}
}