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Merge "Move codes generating html file from xml files to SettingsLib (2/2)"

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This commit is contained in:
TreeHugger Robot
2017-12-08 00:32:54 +00:00
committed by Android (Google) Code Review
parent ef4f9d9dd5 8d923f0b8e
commit d69dfff066
6 changed files with 752 additions and 1 deletions
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292
packages/SettingsLib/src/com/android/settingslib/license/LicenseHtmlGeneratorFromXml.java Normal file
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/*
* Copyright (C) 2017 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.settingslib.license;
import android.support.annotation.VisibleForTesting;
import android.text.TextUtils;
import android.util.Log;
import android.util.Xml;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPInputStream;
/**
* The utility class that generate a license html file from xml files.
* All the HTML snippets and logic are copied from build/make/tools/generate-notice-files.py.
*
* TODO: Remove duplicate codes once backward support ends.
*/
class LicenseHtmlGeneratorFromXml {
private static final String TAG = "LicenseHtmlGeneratorFromXml";
private static final String TAG_ROOT = "licenses";
private static final String TAG_FILE_NAME = "file-name";
private static final String TAG_FILE_CONTENT = "file-content";
private static final String ATTR_CONTENT_ID = "contentId";
private static final String HTML_HEAD_STRING =
"<html><head>\n"
+ "<style type=\"text/css\">\n"
+ "body { padding: 0; font-family: sans-serif; }\n"
+ ".same-license { background-color: #eeeeee;\n"
+ " border-top: 20px solid white;\n"
+ " padding: 10px; }\n"
+ ".label { font-weight: bold; }\n"
+ ".file-list { margin-left: 1em; color: blue; }\n"
+ "</style>\n"
+ "</head>"
+ "<body topmargin=\"0\" leftmargin=\"0\" rightmargin=\"0\" bottommargin=\"0\">\n"
+ "<div class=\"toc\">\n"
+ "<ul>";
private static final String HTML_MIDDLE_STRING =
"</ul>\n"
+ "</div><!-- table of contents -->\n"
+ "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\">";
private static final String HTML_REAR_STRING =
"</table></body></html>";
private final List<File> mXmlFiles;
/*
* A map from a file name to a content id (MD5 sum of file content) for its license.
* For example, "/system/priv-app/TeleService/TeleService.apk" maps to
* "9645f39e9db895a4aa6e02cb57294595". Here "9645f39e9db895a4aa6e02cb57294595" is a MD5 sum
* of the content of packages/services/Telephony/MODULE_LICENSE_APACHE2.
*/
private final Map<String, String> mFileNameToContentIdMap = new HashMap();
/*
* A map from a content id (MD5 sum of file content) to a license file content.
* For example, "9645f39e9db895a4aa6e02cb57294595" maps to the content string of
* packages/services/Telephony/MODULE_LICENSE_APACHE2. Here "9645f39e9db895a4aa6e02cb57294595"
* is a MD5 sum of the file content.
*/
private final Map<String, String> mContentIdToFileContentMap = new HashMap();
static class ContentIdAndFileNames {
final String mContentId;
final List<String> mFileNameList = new ArrayList();
ContentIdAndFileNames(String contentId) {
mContentId = contentId;
}
}
private LicenseHtmlGeneratorFromXml(List<File> xmlFiles) {
mXmlFiles = xmlFiles;
}
public static boolean generateHtml(List<File> xmlFiles, File outputFile) {
LicenseHtmlGeneratorFromXml genertor = new LicenseHtmlGeneratorFromXml(xmlFiles);
return genertor.generateHtml(outputFile);
}
private boolean generateHtml(File outputFile) {
for (File xmlFile : mXmlFiles) {
parse(xmlFile);
}
if (mFileNameToContentIdMap.isEmpty() || mContentIdToFileContentMap.isEmpty()) {
return false;
}
PrintWriter writer = null;
try {
writer = new PrintWriter(outputFile);
generateHtml(mFileNameToContentIdMap, mContentIdToFileContentMap, writer);
writer.flush();
writer.close();
return true;
} catch (FileNotFoundException | SecurityException e) {
Log.e(TAG, "Failed to generate " + outputFile, e);
if (writer != null) {
writer.close();
}
return false;
}
}
private void parse(File xmlFile) {
if (xmlFile == null || !xmlFile.exists() || xmlFile.length() == 0) {
return;
}
InputStreamReader in = null;
try {
if (xmlFile.getName().endsWith(".gz")) {
in = new InputStreamReader(new GZIPInputStream(new FileInputStream(xmlFile)));
} else {
in = new FileReader(xmlFile);
}
parse(in, mFileNameToContentIdMap, mContentIdToFileContentMap);
in.close();
} catch (XmlPullParserException | IOException e) {
Log.e(TAG, "Failed to parse " + xmlFile, e);
if (in != null) {
try {
in.close();
} catch (IOException ie) {
Log.w(TAG, "Failed to close " + xmlFile);
}
}
}
}
/*
* Parses an input stream and fills a map from a file name to a content id for its license
* and a map from a content id to a license file content.
*
* Following xml format is expected from the input stream.
*
* <licenses>
* <file-name contentId="content_id_of_license1">file1</file-name>
* <file-name contentId="content_id_of_license2">file2</file-name>
* ...
* <file-content contentId="content_id_of_license1">license1 file contents</file-content>
* <file-content contentId="content_id_of_license2">license2 file contents</file-content>
* ...
* </licenses>
*/
@VisibleForTesting
static void parse(InputStreamReader in, Map<String, String> outFileNameToContentIdMap,
Map<String, String> outContentIdToFileContentMap)
throws XmlPullParserException, IOException {
Map<String, String> fileNameToContentIdMap = new HashMap<String, String>();
Map<String, String> contentIdToFileContentMap = new HashMap<String, String>();
XmlPullParser parser = Xml.newPullParser();
parser.setInput(in);
parser.nextTag();
parser.require(XmlPullParser.START_TAG, "", TAG_ROOT);
int state = parser.getEventType();
while (state != XmlPullParser.END_DOCUMENT) {
if (state == XmlPullParser.START_TAG) {
if (TAG_FILE_NAME.equals(parser.getName())) {
String contentId = parser.getAttributeValue("", ATTR_CONTENT_ID);
if (!TextUtils.isEmpty(contentId)) {
String fileName = readText(parser).trim();
if (!TextUtils.isEmpty(fileName)) {
fileNameToContentIdMap.put(fileName, contentId);
}
}
} else if (TAG_FILE_CONTENT.equals(parser.getName())) {
String contentId = parser.getAttributeValue("", ATTR_CONTENT_ID);
if (!TextUtils.isEmpty(contentId)
&& !outContentIdToFileContentMap.containsKey(contentId)
&& !contentIdToFileContentMap.containsKey(contentId)) {
String fileContent = readText(parser);
if (!TextUtils.isEmpty(fileContent)) {
contentIdToFileContentMap.put(contentId, fileContent);
}
}
}
}
state = parser.next();
}
outFileNameToContentIdMap.putAll(fileNameToContentIdMap);
outContentIdToFileContentMap.putAll(contentIdToFileContentMap);
}
private static String readText(XmlPullParser parser)
throws IOException, XmlPullParserException {
StringBuffer result = new StringBuffer();
int state = parser.next();
while (state == XmlPullParser.TEXT) {
result.append(parser.getText());
state = parser.next();
}
return result.toString();
}
@VisibleForTesting
static void generateHtml(Map<String, String> fileNameToContentIdMap,
Map<String, String> contentIdToFileContentMap, PrintWriter writer) {
List<String> fileNameList = new ArrayList();
fileNameList.addAll(fileNameToContentIdMap.keySet());
Collections.sort(fileNameList);
writer.println(HTML_HEAD_STRING);
int count = 0;
Map<String, Integer> contentIdToOrderMap = new HashMap();
List<ContentIdAndFileNames> contentIdAndFileNamesList = new ArrayList();
// Prints all the file list with a link to its license file content.
for (String fileName : fileNameList) {
String contentId = fileNameToContentIdMap.get(fileName);
// Assigns an id to a newly referred license file content.
if (!contentIdToOrderMap.containsKey(contentId)) {
contentIdToOrderMap.put(contentId, count);
// An index in contentIdAndFileNamesList is the order of each element.
contentIdAndFileNamesList.add(new ContentIdAndFileNames(contentId));
count++;
}
int id = contentIdToOrderMap.get(contentId);
contentIdAndFileNamesList.get(id).mFileNameList.add(fileName);
writer.format("<li><a href=\"#id%d\">%s</a></li>\n", id, fileName);
}
writer.println(HTML_MIDDLE_STRING);
count = 0;
// Prints all contents of the license files in order of id.
for (ContentIdAndFileNames contentIdAndFileNames : contentIdAndFileNamesList) {
writer.format("<tr id=\"id%d\"><td class=\"same-license\">\n", count);
writer.println("<div class=\"label\">Notices for file(s):</div>");
writer.println("<div class=\"file-list\">");
for (String fileName : contentIdAndFileNames.mFileNameList) {
writer.format("%s <br/>\n", fileName);
}
writer.println("</div><!-- file-list -->");
writer.println("<pre class=\"license-text\">");
writer.println(contentIdToFileContentMap.get(
contentIdAndFileNames.mContentId));
writer.println("</pre><!-- license-text -->");
writer.println("</td></tr><!-- same-license -->");
count++;
}
writer.println(HTML_REAR_STRING);
}
}

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packages/SettingsLib/src/com/android/settingslib/license/LicenseHtmlLoader.java Normal file
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/*
* Copyright (C) 2017 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.settingslib.license;
import android.content.Context;
import android.support.annotation.VisibleForTesting;
import android.util.Log;
import com.android.settingslib.utils.AsyncLoader;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* LicenseHtmlLoader is a loader which loads a license html file from default license xml files.
*/
public class LicenseHtmlLoader extends AsyncLoader<File> {
private static final String TAG = "LicenseHtmlLoader";
private static final String[] DEFAULT_LICENSE_XML_PATHS = {
"/system/etc/NOTICE.xml.gz",
"/vendor/etc/NOTICE.xml.gz",
"/odm/etc/NOTICE.xml.gz",
"/oem/etc/NOTICE.xml.gz"};
private static final String NOTICE_HTML_FILE_NAME = "NOTICE.html";
private Context mContext;
public LicenseHtmlLoader(Context context) {
super(context);
mContext = context;
}
@Override
public File loadInBackground() {
return generateHtmlFromDefaultXmlFiles();
}
@Override
protected void onDiscardResult(File f) {
}
private File generateHtmlFromDefaultXmlFiles() {
final List<File> xmlFiles = getVaildXmlFiles();
if (xmlFiles.isEmpty()) {
Log.e(TAG, "No notice file exists.");
return null;
}
File cachedHtmlFile = getCachedHtmlFile();
if (!isCachedHtmlFileOutdated(xmlFiles, cachedHtmlFile)
|| generateHtmlFile(xmlFiles, cachedHtmlFile)) {
return cachedHtmlFile;
}
return null;
}
@VisibleForTesting
List<File> getVaildXmlFiles() {
final List<File> xmlFiles = new ArrayList();
for (final String xmlPath : DEFAULT_LICENSE_XML_PATHS) {
File file = new File(xmlPath);
if (file.exists() && file.length() != 0) {
xmlFiles.add(file);
}
}
return xmlFiles;
}
@VisibleForTesting
File getCachedHtmlFile() {
return new File(mContext.getCacheDir(), NOTICE_HTML_FILE_NAME);
}
@VisibleForTesting
boolean isCachedHtmlFileOutdated(List<File> xmlFiles, File cachedHtmlFile) {
boolean outdated = true;
if (cachedHtmlFile.exists() && cachedHtmlFile.length() != 0) {
outdated = false;
for (File file : xmlFiles) {
if (cachedHtmlFile.lastModified() < file.lastModified()) {
outdated = true;
break;
}
}
}
return outdated;
}
@VisibleForTesting
boolean generateHtmlFile(List<File> xmlFiles, File htmlFile) {
return LicenseHtmlGeneratorFromXml.generateHtml(xmlFiles, htmlFile);
}
}

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packages/SettingsLib/src/com/android/settingslib/utils/AsyncLoader.java Normal file
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/*
* Copyright (C) 2017 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.settingslib.utils;
import android.content.AsyncTaskLoader;
import android.content.Context;
/**
* This class fills in some boilerplate for AsyncTaskLoader to actually load things.
*
* Subclasses need to implement {@link AsyncLoader#loadInBackground()} to perform the actual
* background task, and {@link AsyncLoader#onDiscardResult(T)} to clean up previously loaded
* results.
*
* This loader is based on the MailAsyncTaskLoader from the AOSP EmailUnified repo.
*
* @param <T> the data type to be loaded.
*/
public abstract class AsyncLoader<T> extends AsyncTaskLoader<T> {
private T mResult;
public AsyncLoader(final Context context) {
super(context);
}
@Override
protected void onStartLoading() {
if (mResult != null) {
deliverResult(mResult);
}
if (takeContentChanged() || mResult == null) {
forceLoad();
}
}
@Override
protected void onStopLoading() {
cancelLoad();
}
@Override
public void deliverResult(final T data) {
if (isReset()) {
if (data != null) {
onDiscardResult(data);
}
return;
}
final T oldResult = mResult;
mResult = data;
if (isStarted()) {
super.deliverResult(data);
}
if (oldResult != null && oldResult != mResult) {
onDiscardResult(oldResult);
}
}
@Override
protected void onReset() {
super.onReset();
onStopLoading();
if (mResult != null) {
onDiscardResult(mResult);
}
mResult = null;
}
@Override
public void onCanceled(final T data) {
super.onCanceled(data);
if (data != null) {
onDiscardResult(data);
}
}
/**
* Called when discarding the load results so subclasses can take care of clean-up or
* recycling tasks. This is not called if the same result (by way of pointer equality) is
* returned again by a subsequent call to loadInBackground, or if result is null.
*
* Note that this may be called concurrently with loadInBackground(), and in some circumstances
* may be called more than once for a given object.
*
* @param result The value returned from {@link AsyncLoader#loadInBackground()} which
* is to be discarded.
*/
protected abstract void onDiscardResult(T result);
}

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packages/SettingsLib/tests/robotests/src/com/android/settingslib/license/LicenseHtmlGeneratorFromXmlTest.java Normal file
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/*
* Copyright (C) 2017 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.settingslib.license;
import static com.google.common.truth.Truth.assertThat;
import com.android.settingslib.TestConfig;
import com.android.settingslib.SettingsLibRobolectricTestRunner;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.annotation.Config;
import org.xmlpull.v1.XmlPullParserException;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
@RunWith(SettingsLibRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class LicenseHtmlGeneratorFromXmlTest {
private static final String VALILD_XML_STRING =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+ "<licenses>\n"
+ "<file-name contentId=\"0\">/file0</file-name>\n"
+ "<file-name contentId=\"0\">/file1</file-name>\n"
+ "<file-content contentId=\"0\"><![CDATA[license content #0]]></file-content>\n"
+ "</licenses>";
private static final String INVALILD_XML_STRING =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+ "<licenses2>\n"
+ "<file-name contentId=\"0\">/file0</file-name>\n"
+ "<file-name contentId=\"0\">/file1</file-name>\n"
+ "<file-content contentId=\"0\"><![CDATA[license content #0]]></file-content>\n"
+ "</licenses2>";
private static final String EXPECTED_HTML_STRING =
"<html><head>\n"
+ "<style type=\"text/css\">\n"
+ "body { padding: 0; font-family: sans-serif; }\n"
+ ".same-license { background-color: #eeeeee;\n"
+ " border-top: 20px solid white;\n"
+ " padding: 10px; }\n"
+ ".label { font-weight: bold; }\n"
+ ".file-list { margin-left: 1em; color: blue; }\n"
+ "</style>\n"
+ "</head>"
+ "<body topmargin=\"0\" leftmargin=\"0\" rightmargin=\"0\" bottommargin=\"0\">\n"
+ "<div class=\"toc\">\n"
+ "<ul>\n"
+ "<li><a href=\"#id0\">/file0</a></li>\n"
+ "<li><a href=\"#id0\">/file1</a></li>\n"
+ "</ul>\n"
+ "</div><!-- table of contents -->\n"
+ "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\n"
+ "<tr id=\"id0\"><td class=\"same-license\">\n"
+ "<div class=\"label\">Notices for file(s):</div>\n"
+ "<div class=\"file-list\">\n"
+ "/file0 <br/>\n"
+ "/file1 <br/>\n"
+ "</div><!-- file-list -->\n"
+ "<pre class=\"license-text\">\n"
+ "license content #0\n"
+ "</pre><!-- license-text -->\n"
+ "</td></tr><!-- same-license -->\n"
+ "</table></body></html>\n";
@Test
public void testParseValidXmlStream() throws XmlPullParserException, IOException {
Map<String, String> fileNameToContentIdMap = new HashMap<String, String>();
Map<String, String> contentIdToFileContentMap = new HashMap<String, String>();
LicenseHtmlGeneratorFromXml.parse(
new InputStreamReader(new ByteArrayInputStream(VALILD_XML_STRING.getBytes())),
fileNameToContentIdMap, contentIdToFileContentMap);
assertThat(fileNameToContentIdMap.size()).isEqualTo(2);
assertThat(fileNameToContentIdMap.get("/file0")).isEqualTo("0");
assertThat(fileNameToContentIdMap.get("/file1")).isEqualTo("0");
assertThat(contentIdToFileContentMap.size()).isEqualTo(1);
assertThat(contentIdToFileContentMap.get("0")).isEqualTo("license content #0");
}
@Test(expected = XmlPullParserException.class)
public void testParseInvalidXmlStream() throws XmlPullParserException, IOException {
Map<String, String> fileNameToContentIdMap = new HashMap<String, String>();
Map<String, String> contentIdToFileContentMap = new HashMap<String, String>();
LicenseHtmlGeneratorFromXml.parse(
new InputStreamReader(new ByteArrayInputStream(INVALILD_XML_STRING.getBytes())),
fileNameToContentIdMap, contentIdToFileContentMap);
}
@Test
public void testGenerateHtml() {
Map<String, String> fileNameToContentIdMap = new HashMap<String, String>();
Map<String, String> contentIdToFileContentMap = new HashMap<String, String>();
fileNameToContentIdMap.put("/file0", "0");
fileNameToContentIdMap.put("/file1", "0");
contentIdToFileContentMap.put("0", "license content #0");
StringWriter output = new StringWriter();
LicenseHtmlGeneratorFromXml.generateHtml(
fileNameToContentIdMap, contentIdToFileContentMap, new PrintWriter(output));
assertThat(output.toString()).isEqualTo(EXPECTED_HTML_STRING);
}
}

110
packages/SettingsLib/tests/robotests/src/com/android/settingslib/license/LicenseHtmlLoaderTest.java Normal file
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/*
* Copyright (C) 2017 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.settingslib.license;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import android.content.Context;
import com.android.settingslib.TestConfig;
import com.android.settingslib.SettingsLibRobolectricTestRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
import java.io.File;
import java.util.ArrayList;
@RunWith(SettingsLibRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class LicenseHtmlLoaderTest {
@Mock
private Context mContext;
LicenseHtmlLoader newLicenseHtmlLoader(ArrayList<File> xmlFiles,
File cachedHtmlFile, boolean isCachedHtmlFileOutdated,
boolean generateHtmlFileSucceeded) {
LicenseHtmlLoader loader = spy(new LicenseHtmlLoader(mContext));
doReturn(xmlFiles).when(loader).getVaildXmlFiles();
doReturn(cachedHtmlFile).when(loader).getCachedHtmlFile();
doReturn(isCachedHtmlFileOutdated).when(loader).isCachedHtmlFileOutdated(any(), any());
doReturn(generateHtmlFileSucceeded).when(loader).generateHtmlFile(any(), any());
return loader;
}
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
}
@Test
public void testLoadInBackground() {
ArrayList<File> xmlFiles = new ArrayList();
xmlFiles.add(new File("test.xml"));
File cachedHtmlFile = new File("test.html");
LicenseHtmlLoader loader = newLicenseHtmlLoader(xmlFiles, cachedHtmlFile, true, true);
assertThat(loader.loadInBackground()).isEqualTo(cachedHtmlFile);
verify(loader).generateHtmlFile(any(), any());
}
@Test
public void testLoadInBackgroundWithNoVaildXmlFiles() {
ArrayList<File> xmlFiles = new ArrayList();
File cachedHtmlFile = new File("test.html");
LicenseHtmlLoader loader = newLicenseHtmlLoader(xmlFiles, cachedHtmlFile, true, true);
assertThat(loader.loadInBackground()).isNull();
verify(loader, never()).generateHtmlFile(any(), any());
}
@Test
public void testLoadInBackgroundWithNonOutdatedCachedHtmlFile() {
ArrayList<File> xmlFiles = new ArrayList();
xmlFiles.add(new File("test.xml"));
File cachedHtmlFile = new File("test.html");
LicenseHtmlLoader loader = newLicenseHtmlLoader(xmlFiles, cachedHtmlFile, false, true);
assertThat(loader.loadInBackground()).isEqualTo(cachedHtmlFile);
verify(loader, never()).generateHtmlFile(any(), any());
}
@Test
public void testLoadInBackgroundWithGenerateHtmlFileFailed() {
ArrayList<File> xmlFiles = new ArrayList();
xmlFiles.add(new File("test.xml"));
File cachedHtmlFile = new File("test.html");
LicenseHtmlLoader loader = newLicenseHtmlLoader(xmlFiles, cachedHtmlFile, true, false);
assertThat(loader.loadInBackground()).isNull();
verify(loader).generateHtmlFile(any(), any());
}
}

5
services/core/java/com/android/server/am/ActivityManagerService.java
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@@ -8877,7 +8877,10 @@ public class ActivityManagerService extends IActivityManager.Stub
final int callingAppId = UserHandle.getAppId(callingUid);
if ((callingAppId == SYSTEM_UID) || (callingAppId == ROOT_UID)) {
if ("com.android.settings.files".equals(grantUri.uri.getAuthority())) {
// Exempted authority for cropping user photos in Settings app
// Exempted authority for
// 1. cropping user photos and sharing a generated license html
// file in Settings app
// 2. sharing a generated license html file in TvSettings app
} else {
Slog.w(TAG, "For security reasons, the system cannot issue a Uri permission"
+ " grant to " + grantUri + "; use startActivityAsCaller() instead");