blob: 98f5f5e515479ffc4ab49f77e874ec7c1227b40c [file] [log] [blame]
/*
* Copyright (C) 2010 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.tradefed.config;
import com.android.ddmlib.Log;
import com.android.tradefed.command.CommandOptions;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.util.ClassPathScanner;
import com.android.tradefed.util.ClassPathScanner.IClassPathFilter;
import com.android.tradefed.util.DirectedGraph;
import com.android.tradefed.util.FileUtil;
import com.android.tradefed.util.StreamUtil;
import com.android.tradefed.util.SystemUtil;
import com.android.tradefed.util.keystore.DryRunKeyStore;
import com.android.tradefed.util.keystore.IKeyStoreClient;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSortedSet;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.regex.Pattern;
/**
* Factory for creating {@link IConfiguration}.
*/
public class ConfigurationFactory implements IConfigurationFactory {
/** Currently supported extensions for Tradefed configurations */
private static final Set<String> SUPPORTED_EXTENSIONS =
ImmutableSortedSet.of(".xml", ".config");
private static final String LOG_TAG = "ConfigurationFactory";
private static IConfigurationFactory sInstance = null;
private static final String CONFIG_PREFIX = "config/";
private static final String DRY_RUN_TEMPLATE_CONFIG = "empty";
private static final String CONFIG_ERROR_PATTERN = "(Could not find option with name )(.*)";
private Map<ConfigId, ConfigurationDef> mConfigDefMap;
/**
* A simple struct-like class that stores a configuration's name alongside
* the arguments for any {@code <template-include>} tags it may contain.
* Because the actual bits stored by the configuration may vary with
* template arguments, they must be considered as essential a part of the
* configuration's identity as the filename.
*/
static class ConfigId {
public String name = null;
public Map<String, String> templateMap = new HashMap<>();
/**
* No-op constructor
*/
public ConfigId() {
}
/**
* Convenience constructor. Equivalent to calling two-arg constructor
* with {@code null} {@code templateMap}.
*/
public ConfigId(String name) {
this(name, null);
}
/**
* Two-arg convenience constructor. {@code templateMap} may be null.
*/
public ConfigId(String name, Map<String, String> templateMap) {
this.name = name;
if (templateMap != null) {
this.templateMap.putAll(templateMap);
}
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return 2 * ((name == null) ? 0 : name.hashCode()) + 3 * templateMap.hashCode();
}
private boolean matches(Object a, Object b) {
if (a == null && b == null)
return true;
if (a == null || b == null)
return false;
return a.equals(b);
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (!(other instanceof ConfigId))
return false;
final ConfigId otherConf = (ConfigId) other;
return matches(name, otherConf.name) && matches(templateMap, otherConf.templateMap);
}
}
/**
* A {@link IClassPathFilter} for configuration XML files.
*/
private class ConfigClasspathFilter implements IClassPathFilter {
private String mPrefix = null;
public ConfigClasspathFilter(String prefix) {
mPrefix = getConfigPrefix();
if (prefix != null) {
mPrefix += prefix;
}
CLog.d("Searching the '%s' config path", mPrefix);
}
/**
* {@inheritDoc}
*/
@Override
public boolean accept(String pathName) {
// only accept entries that match the pattern, and that we don't already know about
final ConfigId pathId = new ConfigId(pathName);
String extension = FileUtil.getExtension(pathName);
return pathName.startsWith(mPrefix)
&& SUPPORTED_EXTENSIONS.contains(extension)
&& !mConfigDefMap.containsKey(pathId);
}
/**
* {@inheritDoc}
*/
@Override
public String transform(String pathName) {
// strip off CONFIG_PREFIX and config extension
int pathStartIndex = getConfigPrefix().length();
String extension = FileUtil.getExtension(pathName);
int pathEndIndex = pathName.length() - extension.length();
return pathName.substring(pathStartIndex, pathEndIndex);
}
}
/**
* A {@link Comparator} for {@link ConfigurationDef} that sorts by
* {@link ConfigurationDef#getName()}.
*/
private static class ConfigDefComparator implements Comparator<ConfigurationDef> {
/**
* {@inheritDoc}
*/
@Override
public int compare(ConfigurationDef d1, ConfigurationDef d2) {
return d1.getName().compareTo(d2.getName());
}
}
/**
* Get a list of {@link File} of the test cases directories
*
* <p>The wrapper function is for unit test to mock the system calls.
*
* @return a list of {@link File} of directories of the test cases folder of build output, based
* on the value of environment variables.
*/
@VisibleForTesting
List<File> getExternalTestCasesDirs() {
return SystemUtil.getExternalTestCasesDirs();
}
/**
* Get the path to the config file for a test case.
*
* <p>The given name in a test config can be the name of a test case located in an out directory
* defined in the following environment variables:
*
* <p>ANDROID_TARGET_OUT_TESTCASES
*
* <p>ANDROID_HOST_OUT_TESTCASES
*
* <p>This method tries to locate the test config name in these directories. If no config is
* found, return null.
*
* @param name Name of a config file.
* @return A File object of the config file for the given test case.
*/
@VisibleForTesting
File getTestCaseConfigPath(String name) {
String[] possibleConfigFileNames = {name};
if (Strings.isNullOrEmpty(FileUtil.getExtension(name))) {
possibleConfigFileNames = new String[SUPPORTED_EXTENSIONS.size()];
int i = 0;
for (String supportedExtension : SUPPORTED_EXTENSIONS) {
possibleConfigFileNames[i] = (name + supportedExtension);
i++;
}
}
for (File testCasesDir : getExternalTestCasesDirs()) {
for (String configFileName : possibleConfigFileNames) {
File config = FileUtil.findFile(testCasesDir, configFileName);
if (config != null) {
CLog.d("Using config: %s/%s", testCasesDir.getAbsoluteFile(), configFileName);
return config;
}
}
}
return null;
}
/**
* Implementation of {@link IConfigDefLoader} that tracks the included configurations from one
* root config, and throws an exception on circular includes.
*/
protected class ConfigLoader implements IConfigDefLoader {
private final boolean mIsGlobalConfig;
private DirectedGraph<String> mConfigGraph = new DirectedGraph<String>();
public ConfigLoader(boolean isGlobalConfig) {
mIsGlobalConfig = isGlobalConfig;
}
/**
* {@inheritDoc}
*/
@Override
public ConfigurationDef getConfigurationDef(String name, Map<String, String> templateMap)
throws ConfigurationException {
String configName = findConfigName(name, null);
final ConfigId configId = new ConfigId(name, templateMap);
ConfigurationDef def = mConfigDefMap.get(configId);
if (def == null || def.isStale()) {
def = new ConfigurationDef(configName);
loadConfiguration(configName, def, null, templateMap, null);
mConfigDefMap.put(configId, def);
} else {
if (templateMap != null) {
// Clearing the map before returning the cached config to
// avoid seeing them as unused.
templateMap.clear();
}
}
return def;
}
/** Returns true if it is a config file found inside the classpath. */
protected boolean isBundledConfig(String name) {
InputStream configStream = getBundledConfigStream(name);
return configStream != null;
}
/**
* Get the absolute path of a local config file.
*
* @param root parent path of config file
* @param name config file
* @return absolute path for local config file.
* @throws ConfigurationException
*/
private String getAbsolutePath(String root, String name) throws ConfigurationException {
File file = new File(name);
if (!file.isAbsolute()) {
if (root == null) {
// if root directory was not specified, get the current
// working directory.
root = System.getProperty("user.dir");
}
file = new File(root, name);
}
try {
return file.getCanonicalPath();
} catch (IOException e) {
throw new ConfigurationException(String.format(
"Failure when trying to determine local file canonical path %s", e));
}
}
/**
* Find config's name based on its name and its parent name. This is used to properly handle
* bundle configs and local configs.
*
* @param name config's name
* @param parentName config's parent's name.
* @return the config's full name.
* @throws ConfigurationException
*/
protected String findConfigName(String name, String parentName)
throws ConfigurationException {
if (isBundledConfig(name)) {
return name;
}
if (parentName == null || isBundledConfig(parentName)) {
// Search files for config.
String configName = getAbsolutePath(null, name);
File localConfig = new File(configName);
if (!localConfig.exists()) {
localConfig = getTestCaseConfigPath(name);
}
if (localConfig != null) {
return localConfig.getAbsolutePath();
}
// Can not find local config.
if (parentName == null) {
throw new ConfigurationException(
String.format("Can not find local config %s.", name));
} else {
throw new ConfigurationException(
String.format(
"Bundled config '%s' is including a config '%s' that's neither "
+ "local nor bundled.",
parentName, name));
}
}
try {
// Local configs' include should be relative to their parent's path.
String parentRoot = new File(parentName).getParentFile().getCanonicalPath();
return getAbsolutePath(parentRoot, name);
} catch (IOException e) {
throw new ConfigurationException(e.getMessage(), e.getCause());
}
}
/**
* Configs that are bundled inside the tradefed.jar can only include other configs also
* bundled inside tradefed.jar. However, local (external) configs can include both local
* (external) and bundled configs.
*/
@Override
public void loadIncludedConfiguration(
ConfigurationDef def,
String parentName,
String name,
String deviceTagObject,
Map<String, String> templateMap,
Set<String> templateSeen)
throws ConfigurationException {
String config_name = findConfigName(name, parentName);
mConfigGraph.addEdge(parentName, config_name);
// If the inclusion of configurations is a cycle we throw an exception.
if (!mConfigGraph.isDag()) {
CLog.e("%s", mConfigGraph);
throw new ConfigurationException(String.format(
"Circular configuration include: config '%s' is already included",
config_name));
}
loadConfiguration(config_name, def, deviceTagObject, templateMap, templateSeen);
}
/**
* Loads a configuration.
*
* @param name the name of a built-in configuration to load or a file path to configuration
* file to load
* @param def the loaded {@link ConfigurationDef}
* @param deviceTagObject name of the current deviceTag if we are loading from a config
* inside an <include>. Null otherwise.
* @param templateMap map from template-include names to their respective concrete
* configuration files
* @param templateSeen set of template placeholder name already encountered
* @throws ConfigurationException if a configuration with given name/file path cannot be
* loaded or parsed
*/
void loadConfiguration(
String name,
ConfigurationDef def,
String deviceTagObject,
Map<String, String> templateMap,
Set<String> templateSeen)
throws ConfigurationException {
BufferedInputStream bufStream = getConfigStream(name);
String extension = FileUtil.getExtension(name);
switch (extension) {
case ".xml":
case ".config":
case "":
ConfigurationXmlParser parser =
new ConfigurationXmlParser(this, deviceTagObject);
parser.parse(def, name, bufStream, templateMap, templateSeen);
break;
default:
throw new ConfigurationException(
String.format("The config format for %s is not supported.", name));
}
trackConfig(name, def);
}
/**
* Track config for dynamic loading. Right now only local files are supported.
*
* @param name config's name
* @param def config's def.
*/
protected void trackConfig(String name, ConfigurationDef def) {
// Track local config source files
if (!isBundledConfig(name)) {
def.registerSource(new File(name));
}
}
/**
* Should track the config's life cycle or not.
*
* @param name config's name
* @return <code>true</code> if the config is trackable, otherwise <code>false</code>.
*/
protected boolean isTrackableConfig(String name) {
return !isBundledConfig(name);
}
/**
* {@inheritDoc}
*/
@Override
public boolean isGlobalConfig() {
return mIsGlobalConfig;
}
}
protected ConfigurationFactory() {
mConfigDefMap = new Hashtable<ConfigId, ConfigurationDef>();
}
/**
* Get the singleton {@link IConfigurationFactory} instance.
*/
public static IConfigurationFactory getInstance() {
if (sInstance == null) {
sInstance = new ConfigurationFactory();
}
return sInstance;
}
/**
* Retrieve the {@link ConfigurationDef} for the given name
*
* @param name the name of a built-in configuration to load or a file path to configuration file
* to load
* @return {@link ConfigurationDef}
* @throws ConfigurationException if an error occurred loading the config
*/
protected ConfigurationDef getConfigurationDef(
String name, boolean isGlobal, Map<String, String> templateMap)
throws ConfigurationException {
return new ConfigLoader(isGlobal).getConfigurationDef(name, templateMap);
}
/**
* {@inheritDoc}
*/
@Override
public IConfiguration createConfigurationFromArgs(String[] arrayArgs)
throws ConfigurationException {
return createConfigurationFromArgs(arrayArgs, null);
}
/**
* {@inheritDoc}
*/
@Override
public IConfiguration createConfigurationFromArgs(String[] arrayArgs,
List<String> unconsumedArgs) throws ConfigurationException {
return createConfigurationFromArgs(arrayArgs, unconsumedArgs, null);
}
/**
* {@inheritDoc}
*/
@Override
public IConfiguration createConfigurationFromArgs(String[] arrayArgs,
List<String> unconsumedArgs, IKeyStoreClient keyStoreClient)
throws ConfigurationException {
if (arrayArgs.length == 0) {
throw new ConfigurationException("Configuration to run was not specified");
}
List<String> listArgs = new ArrayList<String>(arrayArgs.length);
// FIXME: Update parsing to not care about arg order.
String[] reorderedArrayArgs = reorderArgs(arrayArgs);
IConfiguration config =
internalCreateConfigurationFromArgs(reorderedArrayArgs, listArgs, keyStoreClient);
config.setCommandLine(arrayArgs);
if (listArgs.contains("--" + CommandOptions.DRY_RUN_OPTION)
|| listArgs.contains("--" + CommandOptions.NOISY_DRY_RUN_OPTION)) {
// In case of dry-run, we replace the KeyStore by a dry-run one.
CLog.w("dry-run detected, we are using a dryrun keystore");
keyStoreClient = new DryRunKeyStore();
}
final List<String> tmpUnconsumedArgs = config.setOptionsFromCommandLineArgs(
listArgs, keyStoreClient);
if (unconsumedArgs == null && tmpUnconsumedArgs.size() > 0) {
// (unconsumedArgs == null) is taken as a signal that the caller
// expects all args to
// be processed.
throw new ConfigurationException(String.format(
"Invalid arguments provided. Unprocessed arguments: %s", tmpUnconsumedArgs));
} else if (unconsumedArgs != null) {
// Return the unprocessed args
unconsumedArgs.addAll(tmpUnconsumedArgs);
}
return config;
}
/**
* Creates a {@link Configuration} from the name given in arguments.
* <p/>
* Note will not populate configuration with values from options
*
* @param arrayArgs the full list of command line arguments, including the
* config name
* @param optionArgsRef an empty list, that will be populated with the
* option arguments left to be interpreted
* @param keyStoreClient {@link IKeyStoreClient} keystore client to use if
* any.
* @return An {@link IConfiguration} object representing the configuration
* that was loaded
* @throws ConfigurationException
*/
private IConfiguration internalCreateConfigurationFromArgs(String[] arrayArgs,
List<String> optionArgsRef, IKeyStoreClient keyStoreClient)
throws ConfigurationException {
final List<String> listArgs = new ArrayList<>(Arrays.asList(arrayArgs));
// first arg is config name
final String configName = listArgs.remove(0);
Map<String, String> uniqueMap =
extractTemplates(configName, listArgs, optionArgsRef, keyStoreClient);
ConfigurationDef configDef = getConfigurationDef(configName, false, uniqueMap);
if (!uniqueMap.isEmpty()) {
// remove the bad ConfigDef from the cache.
for (ConfigId cid : mConfigDefMap.keySet()) {
if (mConfigDefMap.get(cid) == configDef) {
CLog.d("Cleaning the cache for this configdef");
mConfigDefMap.remove(cid);
break;
}
}
throw new ConfigurationException(
String.format("Unused template:map parameters: %s", uniqueMap.toString()));
}
return configDef.createConfiguration();
}
private Map<String, String> extractTemplates(
String configName,
List<String> listArgs,
List<String> optionArgsRef,
IKeyStoreClient keyStoreClient)
throws ConfigurationException {
final String extension = FileUtil.getExtension(configName);
switch (extension) {
case ".xml":
case ".config":
case "":
final ConfigurationXmlParserSettings parserSettings =
new ConfigurationXmlParserSettings();
final ArgsOptionParser templateArgParser = new ArgsOptionParser(parserSettings);
if (keyStoreClient != null) {
templateArgParser.setKeyStore(keyStoreClient);
}
optionArgsRef.addAll(templateArgParser.parseBestEffort(listArgs));
// Check that the same template is not attempted to be loaded twice.
for (String key : parserSettings.templateMap.keySet()) {
if (parserSettings.templateMap.get(key).size() > 1) {
throw new ConfigurationException(
String.format(
"More than one template specified for key '%s'", key));
}
}
return parserSettings.templateMap.getUniqueMap();
default:
return new HashMap<>();
}
}
/**
* {@inheritDoc}
*/
@Override
public IGlobalConfiguration createGlobalConfigurationFromArgs(String[] arrayArgs,
List<String> remainingArgs) throws ConfigurationException {
List<String> listArgs = new ArrayList<String>(arrayArgs.length);
IGlobalConfiguration config = internalCreateGlobalConfigurationFromArgs(arrayArgs,
listArgs);
remainingArgs.addAll(config.setOptionsFromCommandLineArgs(listArgs));
return config;
}
/**
* Creates a {@link GlobalConfiguration} from the name given in arguments.
* <p/>
* Note will not populate configuration with values from options
*
* @param arrayArgs the full list of command line arguments, including the config name
* @param optionArgsRef an empty list, that will be populated with the
* remaining option arguments
* @return a {@link IGlobalConfiguration} created from the args
* @throws ConfigurationException
*/
private IGlobalConfiguration internalCreateGlobalConfigurationFromArgs(String[] arrayArgs,
List<String> optionArgsRef) throws ConfigurationException {
if (arrayArgs.length == 0) {
throw new ConfigurationException("Configuration to run was not specified");
}
optionArgsRef.addAll(Arrays.asList(arrayArgs));
// first arg is config name
final String configName = optionArgsRef.remove(0);
ConfigurationDef configDef = getConfigurationDef(configName, true, null);
IGlobalConfiguration config = configDef.createGlobalConfiguration();
config.setOriginalConfig(configName);
config.setConfigurationFactory(this);
return config;
}
/**
* {@inheritDoc}
*/
@Override
public void printHelp(PrintStream out) {
try {
loadAllConfigs(true);
} catch (ConfigurationException e) {
// ignore, should never happen
}
// sort the configs by name before displaying
SortedSet<ConfigurationDef> configDefs = new TreeSet<ConfigurationDef>(
new ConfigDefComparator());
configDefs.addAll(mConfigDefMap.values());
for (ConfigurationDef def : configDefs) {
out.printf(" %s: %s", def.getName(), def.getDescription());
out.println();
}
}
/**
* {@inheritDoc}
*/
@Override
public List<String> getConfigList() {
return getConfigList(null, true);
}
/** {@inheritDoc} */
@Override
public List<String> getConfigList(String subPath, boolean loadFromEnv) {
Set<String> configNames = getConfigSetFromClasspath(subPath);
if (loadFromEnv) {
// list config on variable path too
configNames.addAll(getConfigNamesFromTestCases(subPath));
}
// sort the configs by name before adding to list
SortedSet<String> configDefs = new TreeSet<String>();
configDefs.addAll(configNames);
List<String> configs = new ArrayList<String>();
configs.addAll(configDefs);
return configs;
}
/**
* Private helper to get the full set of configurations.
*/
private Set<String> getConfigSetFromClasspath(String subPath) {
ClassPathScanner cpScanner = new ClassPathScanner();
return cpScanner.getClassPathEntries(new ConfigClasspathFilter(subPath));
}
/**
* Helper to get the test config files from test cases directories from build output.
*
* @param subPath where to look for configuration. Can be null.
*/
@VisibleForTesting
Set<String> getConfigNamesFromTestCases(String subPath) {
return ConfigurationUtil.getConfigNamesFromDirs(subPath, getExternalTestCasesDirs());
}
@VisibleForTesting
Map<String, String> getConfigSetFromClasspathFromJar(String subPath) {
ClassPathScanner cpScanner = new ClassPathScanner();
return cpScanner.getClassPathEntriesFromJar(new ConfigClasspathFilter(subPath));
}
/**
* Loads all configurations found in classpath and test cases directories.
*
* @param discardExceptions true if any ConfigurationException should be ignored.
* @throws ConfigurationException
*/
public void loadAllConfigs(boolean discardExceptions) throws ConfigurationException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
boolean failed = false;
Set<String> configNames = getConfigSetFromClasspath(null);
// TODO: split the configs into two lists, one from the jar packages and one from test
// cases directories.
configNames.addAll(getConfigNamesFromTestCases(null));
for (String configName : configNames) {
final ConfigId configId = new ConfigId(configName);
try {
ConfigurationDef configDef = attemptLoad(configId, null);
mConfigDefMap.put(configId, configDef);
} catch (ConfigurationException e) {
ps.printf("Failed to load %s: %s", configName, e.getMessage());
ps.println();
failed = true;
}
}
if (failed) {
if (discardExceptions) {
CLog.e("Failure loading configs");
CLog.e(baos.toString());
} else {
throw new ConfigurationException(baos.toString());
}
}
}
/**
* Helper to load a configuration.
*/
private ConfigurationDef attemptLoad(ConfigId configId, Map<String, String> templateMap)
throws ConfigurationException {
ConfigurationDef configDef = null;
try {
configDef = getConfigurationDef(configId.name, false, templateMap);
return configDef;
} catch (TemplateResolutionError tre) {
// When a template does not have a default, we try again with known good template
// to make sure file formatting at the very least is fine.
Map<String, String> fakeTemplateMap = new HashMap<String, String>();
if (templateMap != null) {
fakeTemplateMap.putAll(templateMap);
}
fakeTemplateMap.put(tre.getTemplateKey(), DRY_RUN_TEMPLATE_CONFIG);
// We go recursively in case there are several template to dry run.
return attemptLoad(configId, fakeTemplateMap);
}
}
/**
* {@inheritDoc}
*/
@Override
public void printHelpForConfig(String[] args, boolean importantOnly, PrintStream out) {
try {
IConfiguration config = internalCreateConfigurationFromArgs(args,
new ArrayList<String>(args.length), null);
config.printCommandUsage(importantOnly, out);
} catch (ConfigurationException e) {
// config must not be specified. Print generic help
printHelp(out);
}
}
/**
* {@inheritDoc}
*/
@Override
public void dumpConfig(String configName, PrintStream out) {
try {
InputStream configStream = getConfigStream(configName);
StreamUtil.copyStreams(configStream, out);
} catch (ConfigurationException e) {
Log.e(LOG_TAG, e);
} catch (IOException e) {
Log.e(LOG_TAG, e);
}
}
/**
* Return the path prefix of config xml files on classpath
*
* <p>Exposed so unit tests can mock.
*
* @return {@link String} path with trailing /
*/
protected String getConfigPrefix() {
return CONFIG_PREFIX;
}
/**
* Loads an InputStream for given config name
*
* @param name the configuration name to load
* @return a {@link BufferedInputStream} for reading config contents
* @throws ConfigurationException if config could not be found
*/
protected BufferedInputStream getConfigStream(String name) throws ConfigurationException {
InputStream configStream = getBundledConfigStream(name);
if (configStream == null) {
// now try to load from file
try {
configStream = new FileInputStream(name);
} catch (FileNotFoundException e) {
throw new ConfigurationException(String.format("Could not find configuration '%s'",
name));
}
}
// buffer input for performance - just in case config file is large
return new BufferedInputStream(configStream);
}
protected InputStream getBundledConfigStream(String name) {
String extension = FileUtil.getExtension(name);
if (Strings.isNullOrEmpty(extension)) {
// If the default name doesn't have an extension, search all possible extensions.
for (String supportExtension : SUPPORTED_EXTENSIONS) {
InputStream res =
getClass()
.getResourceAsStream(
String.format(
"/%s%s%s",
getConfigPrefix(), name, supportExtension));
if (res != null) {
return res;
}
}
return null;
}
// Check directly with extension if it has one.
return getClass().getResourceAsStream(String.format("/%s%s", getConfigPrefix(), name));
}
/**
* Utility method that checks that all configs can be loaded, parsed, and
* all option values set.
* Only exposed so that depending project can validate their configs.
* Should not be exposed in the console.
*
* @throws ConfigurationException if one or more configs failed to load
*/
public void loadAndPrintAllConfigs() throws ConfigurationException {
loadAllConfigs(false);
boolean failed = false;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
for (ConfigurationDef def : mConfigDefMap.values()) {
try {
def.createConfiguration().printCommandUsage(false,
new PrintStream(StreamUtil.nullOutputStream()));
} catch (ConfigurationException e) {
if (e.getCause() != null &&
e.getCause() instanceof ClassNotFoundException) {
ClassNotFoundException cnfe = (ClassNotFoundException) e.getCause();
String className = cnfe.getLocalizedMessage();
// Some Cts configs are shipped with Trade Federation, we exclude those from
// the failure since these packages are not available for loading.
if (className != null && className.startsWith("com.android.cts.")) {
CLog.w("Could not confirm %s: %s because not part of Trade Federation "
+ "packages.", def.getName(), e.getMessage());
continue;
}
} else if (Pattern.matches(CONFIG_ERROR_PATTERN, e.getMessage())) {
// If options are inside configuration object tag we are able to validate them
if (!e.getMessage().contains("com.android.") &&
!e.getMessage().contains("com.google.android.")) {
// We cannot confirm if an option is indeed missing since a template of
// option only is possible to avoid repetition in configuration with the
// same base.
CLog.w("Could not confirm %s: %s", def.getName(), e.getMessage());
continue;
}
}
ps.printf("Failed to print %s: %s", def.getName(), e.getMessage());
ps.println();
failed = true;
}
}
if (failed) {
throw new ConfigurationException(baos.toString());
}
}
/**
* Exposed for testing. Return a copy of the Map.
*/
protected Map<ConfigId, ConfigurationDef> getMapConfig() {
// We return a copy to ensure it is not modified outside
return new HashMap<ConfigId, ConfigurationDef>(mConfigDefMap);
}
/** In some particular case, we need to clear the map. */
@VisibleForTesting
public void clearMapConfig() {
mConfigDefMap.clear();
}
/** Reorder the args so that template:map args are all moved to the front. */
@VisibleForTesting
protected String[] reorderArgs(String[] args) {
List<String> nonTemplateArgs = new ArrayList<String>();
List<String> reorderedArgs = new ArrayList<String>();
String[] reorderedArgsArray = new String[args.length];
String arg;
// First arg is the config.
if (args.length > 0) {
reorderedArgs.add(args[0]);
}
// Split out the template and non-template args so we can add
// non-template args at the end while maintaining their order.
for (int i = 1; i < args.length; i++) {
arg = args[i];
if (arg.equals("--template:map")) {
// We need to account for these two types of template:map args.
// --template:map tm=tm1
// --template:map tm tm1
reorderedArgs.add(arg);
for (int j = i + 1; j < args.length; j++) {
if (args[j].startsWith("-")) {
break;
} else {
reorderedArgs.add(args[j]);
i++;
}
}
} else {
nonTemplateArgs.add(arg);
}
}
reorderedArgs.addAll(nonTemplateArgs);
return reorderedArgs.toArray(reorderedArgsArray);
}
}