| /* |
| * 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 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 { |
| |
| private static final String LOG_TAG = "ConfigurationFactory"; |
| private static IConfigurationFactory sInstance = null; |
| private static final String CONFIG_SUFFIX = ".xml"; |
| 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); |
| return pathName.startsWith(mPrefix) && pathName.endsWith(CONFIG_SUFFIX) && |
| !mConfigDefMap.containsKey(pathId); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String transform(String pathName) { |
| // strip off CONFIG_PREFIX and CONFIG_SUFFIX |
| int pathStartIndex = getConfigPrefix().length(); |
| int pathEndIndex = pathName.length() - CONFIG_SUFFIX.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 + ".xml", name + ".config"}; |
| for (File testCasesDir : getExternalTestCasesDirs()) { |
| for (String configFileName : possibleConfigFileNames) { |
| File config = FileUtil.findFile(testCasesDir, configFileName); |
| if (config != null) { |
| return config; |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Implementation of {@link IConfigDefLoader} that tracks the included configurations from one |
| * root config, and throws an exception on circular includes. |
| */ |
| 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 = name; |
| if (!isBundledConfig(name)) { |
| configName = getAbsolutePath(null, name); |
| // If the config file does not exist in the default location, try to locate it from |
| // test cases directories defined by environment variables. |
| File configFile = new File(configName); |
| if (!configFile.exists()) { |
| configFile = getTestCaseConfigPath(name); |
| if (configFile != null) { |
| configName = configFile.getAbsolutePath(); |
| } |
| } |
| } |
| |
| final ConfigId configId = new ConfigId(name, templateMap); |
| ConfigurationDef def = mConfigDefMap.get(configId); |
| |
| if (def == null || def.isStale()) { |
| def = new ConfigurationDef(configName); |
| loadConfiguration(configName, def, templateMap); |
| mConfigDefMap.put(configId, def); |
| } else { |
| if (templateMap != null) { |
| // Clearing the map before returning the cached config to |
| // avoid seeing them as |
| // unused. |
| CLog.d("Using cached configuration, ensuring map is clean."); |
| templateMap.clear(); |
| } |
| } |
| return def; |
| } |
| |
| /** |
| * Returns true if it is a config file found inside the classpath. |
| */ |
| private boolean isBundledConfig(String name) { |
| InputStream configStream = getClass().getResourceAsStream( |
| String.format("/%s%s%s", getConfigPrefix(), name, CONFIG_SUFFIX)); |
| 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)); |
| } |
| } |
| |
| @Override |
| /** |
| * 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. |
| */ |
| public void loadIncludedConfiguration(ConfigurationDef def, String parentName, String name, |
| Map<String, String> templateMap) throws ConfigurationException { |
| |
| String config_name = name; |
| if (!isBundledConfig(name)) { |
| try { |
| // Check that included config is either bundled or exists in filesystem |
| if (isBundledConfig(parentName)) { |
| // check that 'name' maps to a local file that exists |
| File localConfig = new File(name); |
| if (!localConfig.exists()) { |
| localConfig = getTestCaseConfigPath(name); |
| } |
| if (localConfig == null) { |
| throw new ConfigurationException(String.format( |
| "Bundled config '%s' is including a config '%s' that's neither " |
| + "local nor bundled.", |
| parentName, name)); |
| } |
| config_name = localConfig.getAbsolutePath(); |
| } else { |
| // Local configs' include should be relative to their parent's path. |
| String parentRoot = new File(parentName).getParentFile().getCanonicalPath(); |
| config_name = getAbsolutePath(parentRoot, name); |
| } |
| } catch (IOException e) { |
| throw new ConfigurationException(String.format( |
| "Failure when trying to determine local file canonical path %s", e)); |
| } |
| } |
| |
| 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, templateMap); |
| } |
| |
| /** |
| * Loads a configuration. |
| * |
| * @param name the name of a built-in configuration to load or a file |
| * path to configuration xml to load |
| * @param def the loaded {@link ConfigurationDef} |
| * @param templateMap map from template-include names to their |
| * respective concrete configuration files |
| * @throws ConfigurationException if a configuration with given |
| * name/file path cannot be loaded or parsed |
| */ |
| void loadConfiguration(String name, ConfigurationDef def, Map<String, String> templateMap) |
| throws ConfigurationException { |
| Log.d(LOG_TAG, String.format("Loading configuration '%s'", name)); |
| BufferedInputStream bufStream = getConfigStream(name); |
| ConfigurationXmlParser parser = new ConfigurationXmlParser(this); |
| parser.parse(def, name, bufStream, templateMap); |
| |
| // Track local config source files |
| if (!isBundledConfig(name)) { |
| def.registerSource(new File(name)); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isGlobalConfig() { |
| return mIsGlobalConfig; |
| } |
| } |
| |
| 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 xml to load |
| * @return {@link ConfigurationDef} |
| * @throws ConfigurationException if an error occurred loading the config |
| */ |
| private 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 { |
| 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)) { |
| // 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 { |
| if (arrayArgs.length == 0) { |
| throw new ConfigurationException("Configuration to run was not specified"); |
| } |
| final List<String> listArgs = new ArrayList<>(Arrays.asList(arrayArgs)); |
| // first arg is config name |
| final String configName = listArgs.remove(0); |
| |
| // Steal ConfigurationXmlParser arguments from the command line |
| final ConfigurationXmlParserSettings parserSettings = new ConfigurationXmlParserSettings(); |
| final ArgsOptionParser templateArgParser = new ArgsOptionParser(parserSettings); |
| if (keyStoreClient != null) { |
| templateArgParser.setKeyStore(keyStoreClient); |
| } |
| optionArgsRef.addAll(templateArgParser.parseBestEffort(listArgs)); |
| ConfigurationDef configDef = getConfigurationDef(configName, false, |
| parserSettings.templateMap); |
| if (!parserSettings.templateMap.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", |
| parserSettings.templateMap.toString())); |
| } |
| return configDef.createConfiguration(); |
| } |
| |
| /** |
| * {@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); |
| return configDef.createGlobalConfiguration(); |
| } |
| |
| /** |
| * {@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); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<String> getConfigList(String subPath) { |
| Set<String> configNames = getConfigSetFromClasspath(subPath); |
| // 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()); |
| } |
| |
| /** |
| * 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 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 / |
| */ |
| 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 |
| */ |
| private BufferedInputStream getConfigStream(String name) throws ConfigurationException { |
| InputStream configStream = getClass().getResourceAsStream( |
| String.format("/%s%s%s", getConfigPrefix(), name, CONFIG_SUFFIX)); |
| 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); |
| } |
| |
| /** |
| * 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); |
| } |
| } |
