/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.config.spring.parsers.processors;
import org.mule.runtime.config.spring.parsers.PreProcessor;
import org.mule.runtime.config.spring.parsers.assembly.configuration.PropertyConfiguration;
import org.mule.runtime.core.util.StringUtils;
import org.w3c.dom.Element;
public class AttributeConcatenation implements PreProcessor {
private String target;
private String separator;
private String[] sources;
public AttributeConcatenation(String target, String separator, String[] sources) {
this.target = target;
this.separator = separator;
this.sources = sources;
}
public void preProcess(PropertyConfiguration config, Element element) {
StringBuilder concat = new StringBuilder();
boolean first = true;
for (int i = 0; i < sources.length; ++i) {
String value = config.translateValue(sources[i], element.getAttribute(sources[i])).toString();
if (StringUtils.isNotEmpty(value)) {
if (first) {
first = false;
} else {
concat.append(separator);
}
concat.append(value);
}
}
element.setAttribute(target, concat.toString());
}
}