/*
* Copyright 2012 astamuse company,Ltd.
*
* 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 com.astamuse.asta4d.render;
import org.jsoup.nodes.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.astamuse.asta4d.util.Asta4DWarningException;
/**
* A TextSetter will empty the target element at first, then add a new text node
* to the target element
*
* @author e-ryu
*
*/
public class TextSetter implements ElementSetter {
private final static Logger logger = LoggerFactory.getLogger(TextSetter.class);
private String text;
/**
* Constructor
*
* @param text
* the text wanted to be rendered
*/
public TextSetter(String text) {
this.text = fixContent(text);
}
private final static String fixContent(String content) {
if (content == null) {
String msg = "Trying to render a null String";
// we want to get a information of where the null is passed, so we
// create a exception to get the calling stacks
Exception ex = new Asta4DWarningException(msg);
logger.warn(msg, ex);
}
return content == null ? "" : content;
}
@Override
public void set(Element elem) {
elem.empty();
elem.appendText(text);
}
@Override
public String toString() {
return text;
}
}