/*
* Copyright (c) 2005 - 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.wso2.carbon.event.receiver.core.internal.type.text.config;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegexData {
private Pattern pattern;
private Matcher matcher;
private int matchGroupIndex;
private List<String> types;
private List<String> defaultValues;
private String regex;
private boolean matched;
public RegexData(String regex) {
this.regex = regex;
this.pattern = Pattern.compile(regex);
this.matchGroupIndex = 0;
types = new ArrayList<String>();
defaultValues = new ArrayList<String>();
}
public void addMapping(String type, String defaultValue) {
this.types.add(matchGroupIndex, type);
this.defaultValues.add(matchGroupIndex, defaultValue);
matchGroupIndex++;
}
public String getDefaultValue() {
return defaultValues.get(matchGroupIndex);
}
public String getType() {
return types.get(matchGroupIndex);
}
public String next() {
matchGroupIndex++;
String matchResult;
if (matched && matchGroupIndex < matcher.groupCount()) {
matchResult = matcher.group(matchGroupIndex + 1);
} else {
matchResult = defaultValues.get(matchGroupIndex);
}
return matchResult;
}
public boolean hasNext() {
return matcher.groupCount() > matchGroupIndex + 1;
}
public void matchInput(String input) {
this.matcher = pattern.matcher(input);
matched = this.matcher.find();
this.matchGroupIndex = -1;
}
public String getRegex() {
return regex;
}
}