/*
* Copyright 2011 Google Inc.
*
* 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.google.i18n.pseudolocalization.message.impl;
import com.google.i18n.pseudolocalization.message.MessageFragmentVisitor;
import com.google.i18n.pseudolocalization.message.VariantFragment;
import com.google.i18n.pseudolocalization.message.VariantFragmentVisitor;
import com.google.i18n.pseudolocalization.message.VariantSelector;
import com.google.i18n.pseudolocalization.message.VisitorContext;
/**
* A base for {@link VariantFragment} implementations that implements the basic
* visitor API.
*/
public abstract class AbstractVariantFragment implements VariantFragment {
public void accept(VisitorContext ctx, MessageFragmentVisitor mfv) {
VariantFragmentVisitor vfv = mfv.visitVariantFragment(ctx, this);
if (vfv != null) {
for (VariantSelector selector : getSelectors()) {
selector.accept(ctx, vfv);
}
vfv.endVariantFragment(ctx, this);
}
}
/**
* Get the list of {@link VariantSelector}s for this fragment.
*
* @return variant selectors
*/
protected abstract Iterable<VariantSelector> getSelectors();
}