| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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.android.ide.common.res2; |
| |
| import com.android.annotations.NonNull; |
| import com.google.common.collect.Maps; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Node; |
| |
| import java.io.File; |
| import java.util.Collection; |
| import java.util.Map; |
| |
| /** |
| * Represents a data file. |
| * |
| * It contains a link to its {@link java.io.File}, and the {@link DataItem}s it generates. |
| * |
| */ |
| public abstract class DataFile<I extends DataItem> { |
| |
| enum FileType { |
| SINGLE, MULTI |
| } |
| |
| private final FileType mType; |
| protected File mFile; |
| protected final Map<String, I> mItems = Maps.newHashMap(); |
| |
| /** |
| * Creates a data file with a list of data items. |
| * |
| * The source file is set on the items with {@link DataItem#setSource(DataFile)} |
| * |
| * The type of the DataFile will by {@link FileType#MULTI}. |
| * |
| * @param file the File |
| */ |
| DataFile(@NonNull File file, FileType fileType) { |
| mType = fileType; |
| mFile = file; |
| } |
| |
| /** |
| * This must be called from the constructor of the children classes. |
| * @param item the item |
| */ |
| protected final void init(@NonNull I item) { |
| addItem(item); |
| } |
| |
| /** |
| * This must be called from the constructor of the children classes. |
| * @param items the items |
| */ |
| protected final void init(@NonNull Iterable<I> items) { |
| addItems(items); |
| } |
| |
| @NonNull |
| FileType getType() { |
| return mType; |
| } |
| |
| @NonNull |
| public File getFile() { |
| return mFile; |
| } |
| |
| I getItem() { |
| assert mItems.size() == 1; |
| return mItems.values().iterator().next(); |
| } |
| |
| boolean hasNotRemovedItems() { |
| for (I item : mItems.values()) { |
| if (!item.isRemoved()) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| @NonNull |
| public Collection<I> getItems() { |
| return mItems.values(); |
| } |
| |
| @NonNull |
| public Map<String, I> getItemMap() { |
| return mItems; |
| } |
| |
| public void addItem(@NonNull I item) { |
| //noinspection unchecked |
| item.setSource(this); |
| mItems.put(item.getKey(), item); |
| } |
| |
| public void addItems(@NonNull Iterable<I> items) { |
| for (I item : items) { |
| //noinspection unchecked |
| item.setSource(this); |
| mItems.put(item.getKey(), item); |
| } |
| } |
| |
| public void removeItems(@NonNull Iterable<I> items) { |
| for (I item : items) { |
| mItems.remove(item.getKey()); |
| //noinspection unchecked |
| item.setSource(null); |
| } |
| } |
| |
| public void removeItem(ResourceItem item) { |
| mItems.remove(item.getKey()); |
| item.setSource(null); |
| } |
| |
| void addExtraAttributes(Document document, Node node, String namespaceUri) { |
| // nothing |
| } |
| |
| public void replace(@NonNull I oldItem, @NonNull I newItem) { |
| mItems.remove(oldItem.getKey()); |
| //noinspection unchecked |
| oldItem.setSource(null); |
| //noinspection unchecked |
| newItem.setSource(this); |
| mItems.put(newItem.getKey(), newItem); |
| } |
| |
| @Override |
| public String toString() { |
| return "DataFile{" + |
| "mFile=" + mFile + |
| '}'; |
| } |
| } |