/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.intellij.openapi.components;
import com.intellij.openapi.util.JDOMUtil;
import com.intellij.openapi.util.Pair;
import com.intellij.util.SmartList;
import com.intellij.util.text.UniqueNameGenerator;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import java.util.Iterator;
import java.util.List;
public abstract class MainConfigurationStateSplitter extends StateSplitterEx {
@Override
public final List<Pair<Element, String>> splitState(@NotNull Element state) {
UniqueNameGenerator generator = new UniqueNameGenerator();
List<Pair<Element, String>> result = new SmartList<Pair<Element, String>>();
for (Iterator<Element> iterator = state.getChildren(getSubStateTagName()).iterator(); iterator.hasNext(); ) {
Element element = iterator.next();
iterator.remove();
result.add(createItem(getSubStateFileName(element), generator, element));
}
if (!JDOMUtil.isEmpty(state)) {
result.add(createItem(getComponentStateFileName(), generator, state));
}
return result;
}
@Override
public final void mergeStateInto(@NotNull Element target, @NotNull Element subState) {
mergeStateInto(target, subState, getSubStateTagName());
}
@NotNull
protected abstract String getSubStateFileName(@NotNull Element element);
@NotNull
protected abstract String getComponentStateFileName();
@NotNull
protected abstract String getSubStateTagName();
}