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/*
* Copyright (C) 2015 The CyanogenMod 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.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Essentially:
* adb shell content query --uri content://settings/secure --projection name:value
* --where \"name=\'new_setting\'\" --sort \"name ASC\"\n"
*/
public class QueryCommand extends Command {
private static final String[] QUERY_SETTINGS = {
"adb", "shell", "content", "query", "--uri" };
private static final String PROJECTION = "name:value";
private ArrayList<Setting> targetList;
private String targetUri;
protected QueryCommand(String targetUri,
ArrayList<Setting> targetList) {
this.targetUri = targetUri;
this.targetList = targetList;
}
@Override
public void run() {
System.out.println("\nQuerying settings for authority "
+ getAuthority() + " for target uri " + targetUri + "...");
query(targetUri, targetList);
synchronized (this) {
notifyAll();
}
}
private void query(String uri, ArrayList<Setting> arrayList) {
String[] commands = QUERY_SETTINGS;
List<String> commandList = new ArrayList<String>(
QUERY_SETTINGS.length + 1);
commandList.addAll(Arrays.asList(commands));
commandList.add(SettingsConstants.CONTENT_URI + getAuthority() + uri);
commandList.add("--projection");
commandList.add(PROJECTION);
commandList.add("--show-type"); //this is totally awesomely cm specific
commandList.add("true");
commands = commandList.toArray(new String[commandList.size()]);
if (MigrationTest.DEBUG) {
System.out.println("Using commands: " + Arrays.toString(commands));
}
try {
final Process process = Runtime.getRuntime().exec(commands);
final InputStream err = process.getErrorStream();
// Send error output to stderr.
Thread errThread = new Thread() {
@Override
public void run() {
copy(err, System.err);
}
};
errThread.setDaemon(true);
errThread.start();
BufferedReader in = new BufferedReader(
new InputStreamReader(process.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
if (!line.startsWith("Row: ")) {
throw new IOException("Unable to read settings");
}
if (MigrationTest.DEBUG) {
System.out.println("LINE: " + line);
}
Setting setting = RowParser.parseAndPopulate(true, line);
if (filter(uri, setting)) {
continue;
}
arrayList.add(setting);
}
in.close();
err.close();
process.destroy();
} catch (IOException e) {
System.err.println("Error ");
e.printStackTrace();
}
}
}
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