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/*
* Copyright (C) 2019 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.resources.deprecated;
import com.android.SdkConstants;
import com.android.io.IAbstractFile;
import com.android.io.IAbstractFolder;
import com.android.resources.ResourceType;
import com.android.tools.layoutlib.annotations.NotNull;
import com.android.tools.layoutlib.annotations.Nullable;
import com.android.utils.ILogger;
import org.kxml2.io.KXmlParser;
import org.xmlpull.v1.XmlPullParser;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import com.google.common.base.Charsets;
/**
* @deprecated This class is part of an obsolete resource repository system that is no longer used
* in production code. The class is preserved temporarily for LayoutLib tests.
*/
@Deprecated
public class FrameworkResources extends ResourceRepository {
/**
* Map of {@link ResourceType} to list of items. It is guaranteed to contain a list for all
* possible values of ResourceType.
*/
private final Map<ResourceType, List<ResourceItem>> mPublicResourceMap =
new EnumMap<>(ResourceType.class);
public FrameworkResources(@NotNull TestFolderWrapper resFolder) {
super(resFolder, true /*isFrameworkRepository*/);
}
@Override
@NotNull
protected ResourceItem createResourceItem(@NotNull String name) {
return new ResourceItem(name);
}
/**
* Reads the public.xml file in data/res/values/ for a given resource folder and builds up
* a map of public resources.
*
* This map is a subset of the full resource map that only contains framework resources
* that are public.
*
* @param logger a logger to report issues to
*/
public void loadPublicResources(@Nullable ILogger logger) {
IAbstractFolder valueFolder = getResFolder().getFolder(SdkConstants.FD_RES_VALUES);
if (!valueFolder.exists()) {
return;
}
IAbstractFile publicXmlFile = valueFolder.getFile("public.xml"); //$NON-NLS-1$
if (publicXmlFile.exists()) {
try (Reader reader = new BufferedReader(
new InputStreamReader(publicXmlFile.getContents(), Charsets.UTF_8))) {
KXmlParser parser = new KXmlParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
parser.setInput(reader);
ResourceType lastType = null;
String lastTypeName = "";
while (true) {
int event = parser.next();
if (event == XmlPullParser.START_TAG) {
// As of API 15 there are a number of "java-symbol" entries here
if (!parser.getName().equals("public")) { //$NON-NLS-1$
continue;
}
String name = null;
String typeName = null;
for (int i = 0, n = parser.getAttributeCount(); i < n; i++) {
String attribute = parser.getAttributeName(i);
if (attribute.equals("name")) { //$NON-NLS-1$
name = parser.getAttributeValue(i);
if (typeName != null) {
// Skip id attribute processing
break;
}
} else if (attribute.equals("type")) { //$NON-NLS-1$
typeName = parser.getAttributeValue(i);
}
}
if (name != null && typeName != null) {
ResourceType type;
if (typeName.equals(lastTypeName)) {
type = lastType;
} else {
type = ResourceType.fromXmlValue(typeName);
lastType = type;
lastTypeName = typeName;
}
if (type != null) {
ResourceItem match = null;
Map<String, ResourceItem> map = mResourceMap.get(type);
if (map != null) {
match = map.get(name);
}
if (match != null) {
List<ResourceItem> publicList = mPublicResourceMap.get(type);
if (publicList == null) {
// Pick initial size for the list to hold the public
// resources. We could just use map.size() here,
// but they're usually much bigger; for example,
// in one platform version, there are 1500 drawables
// and 1200 strings but only 175 and 25 public ones
// respectively.
int size;
switch (type) {
case STYLE:
size = 500;
break;
case ATTR:
size = 1050;
break;
case DRAWABLE:
size = 200;
break;
case ID:
size = 50;
break;
case LAYOUT:
case COLOR:
case STRING:
case ANIM:
case INTERPOLATOR:
size = 30;
break;
default:
size = 10;
break;
}
publicList = new ArrayList<>(size);
mPublicResourceMap.put(type, publicList);
}
publicList.add(match);
}
}
}
} else if (event == XmlPullParser.END_DOCUMENT) {
break;
}
}
} catch (Exception e) {
if (logger != null) {
logger.error(e, "Can't read and parse public attribute list");
}
}
}
// put unmodifiable list for all res type in the public resource map
// this will simplify access
for (ResourceType type : ResourceType.values()) {
List<ResourceItem> list = mPublicResourceMap.get(type);
if (list == null) {
list = Collections.emptyList();
} else {
list = Collections.unmodifiableList(list);
}
// put the new list in the map
mPublicResourceMap.put(type, list);
}
}
}
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