/*
* Copyright (c) 2013-2015 Josef Hardi <josef.hardi@gmail.com>
*
* 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.obidea.semantika.mapping.parser.r2rml;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.obidea.semantika.util.StringUtils;
public class R2RmlTemplate
{
private static final Pattern columnInCurlyBraces = Pattern.compile("\\{([^\\}]+)\\}");
private int mIndex = 1;
private String mTemplateString;
private List<String> mColumnNames = new ArrayList<String>();
public R2RmlTemplate(String templateString)
{
mTemplateString = templateString;
process(templateString);
}
public String getTemplateString()
{
return mTemplateString;
}
public List<String> getColumnNames()
{
return mColumnNames;
}
private void process(String templateString)
{
Matcher m = columnInCurlyBraces.matcher(templateString);
while (m.find()) {
String arg = m.group(1);
if (!StringUtils.isEmpty(arg)) {
mTemplateString = mTemplateString.replace("{" + arg + "}", "{" + mIndex + "}");
mColumnNames.add(arg);
mIndex++;
}
}
}
}