/*
* 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.MessageFragment;
import com.google.i18n.pseudolocalization.message.MessageFragmentVisitor;
import com.google.i18n.pseudolocalization.message.VariantForm;
import com.google.i18n.pseudolocalization.message.VariantFormVisitor;
import com.google.i18n.pseudolocalization.message.VisitorContext;
import java.util.ArrayList;
import java.util.List;
/**
* A base for {@link VariantForm} implementations that implements the basic
* visitor API.
*/
public abstract class AbstractVariantForm implements VariantForm {
public void accept(VisitorContext ctx, VariantFormVisitor vfv) {
MessageFragmentVisitor mfv = vfv.visitVariantForm(ctx, this);
if (mfv != null) {
List<MessageFragment> copy = new ArrayList<MessageFragment>();
for (MessageFragment fragment : getFragments()) {
copy.add(fragment);
}
for (MessageFragment fragment : copy) {
fragment.accept(ctx, mfv);
}
}
vfv.endVariantForm(ctx, this);
}
/**
* Get the list of message fragments for this variant form.
*
* @return message fragments
*/
protected abstract Iterable<MessageFragment> getFragments();
}