org.camunda.spin.impl.xml.dom.DomXmlNodeIterator Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.spin.impl.xml.dom;
import java.util.Iterator;
import org.camunda.spin.xml.SpinXmlNode;
/**
* @author Sebastian Menski
*/
public abstract class DomXmlNodeIterator implements Iterator {
private static final DomXmlLogger LOG = DomXmlLogger.XML_DOM_LOGGER;
protected int index = 0;
public boolean hasNext() {
for (; index < getLength() ; index++) {
if (getCurrent() != null) {
return true;
}
}
return false;
}
public T next() {
if (hasNext()) {
T current = getCurrent();
index++;
return current;
}
else {
throw LOG.iteratorHasNoMoreElements(DomXmlNodeIterator.class);
}
}
public void remove() {
throw LOG.methodNotSupportedByClass("remove", DomXmlElementIterable.class);
}
protected abstract int getLength();
protected abstract T getCurrent();
}