diff options
Diffstat (limited to 'common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/main/java/org/openecomp/config/ConfigurationUtils.java')
| -rw-r--r-- | common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/main/java/org/openecomp/config/ConfigurationUtils.java | 1152 |
1 files changed, 1152 insertions, 0 deletions
diff --git a/common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/main/java/org/openecomp/config/ConfigurationUtils.java b/common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/main/java/org/openecomp/config/ConfigurationUtils.java new file mode 100644 index 0000000000..c0a1e0ceb0 --- /dev/null +++ b/common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/main/java/org/openecomp/config/ConfigurationUtils.java @@ -0,0 +1,1152 @@ +package org.openecomp.config; + +import static org.openecomp.config.api.Hint.EXTERNAL_LOOKUP; +import static org.openecomp.config.api.Hint.LATEST_LOOKUP; +import static org.openecomp.config.api.Hint.NODE_SPECIFIC; + +import com.virtlink.commons.configuration2.jackson.JsonConfiguration; +import net.sf.corn.cps.CPScanner; +import net.sf.corn.cps.ResourceFilter; +import org.apache.commons.configuration2.CompositeConfiguration; +import org.apache.commons.configuration2.Configuration; +import org.apache.commons.configuration2.FileBasedConfiguration; +import org.apache.commons.configuration2.PropertiesConfiguration; +import org.apache.commons.configuration2.XMLConfiguration; +import org.apache.commons.configuration2.builder.BasicConfigurationBuilder; +import org.apache.commons.configuration2.builder.ReloadingFileBasedConfigurationBuilder; +import org.apache.commons.configuration2.builder.fluent.Configurations; +import org.apache.commons.configuration2.builder.fluent.Parameters; +import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler; +import org.apache.commons.configuration2.ex.ConfigurationException; +import org.apache.commons.io.IOUtils; +import org.openecomp.config.api.ConfigurationManager; +import org.openecomp.config.impl.AgglomerateConfiguration; +import org.openecomp.config.impl.ConfigurationDataSource; +import org.openecomp.config.impl.ConfigurationRepository; +import org.openecomp.config.impl.YamlConfiguration; +import org.openecomp.config.type.ConfigurationMode; +import org.openecomp.config.type.ConfigurationType; + +import java.io.File; +import java.lang.reflect.Field; +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; +import java.net.URL; +import java.nio.file.Files; +import java.nio.file.Path; +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.Statement; +import java.util.ArrayDeque; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Deque; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.Queue; +import java.util.Set; +import java.util.SortedSet; +import java.util.Stack; +import java.util.TreeSet; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.ConcurrentLinkedQueue; +import java.util.concurrent.Executors; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.LinkedTransferQueue; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.ThreadFactory; +import java.util.concurrent.TransferQueue; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import javax.sql.DataSource; + +/** + * The type Configuration utils. + */ +public class ConfigurationUtils { + + /** + * Gets scheduled executor service. + * + * @return the scheduled executor service + */ + public static ScheduledExecutorService getScheduledExecutorService() { + return Executors.newScheduledThreadPool(1, (r1) -> { + Thread thread = Executors.privilegedThreadFactory().newThread(r1); + thread.setDaemon(true); + return thread; + }); + } + + /** + * Gets thread factory. + * + * @return the thread factory + */ + public static ThreadFactory getThreadFactory() { + return (r1) -> { + Thread thread = Executors.privilegedThreadFactory().newThread(r1); + thread.setDaemon(true); + return thread; + }; + } + + /** + * Gets all files. + * + * @param file the file + * @param recursive the recursive + * @param onlyDirectory the only directory + * @return the all files + */ + public static Collection<File> getAllFiles(File file, boolean recursive, boolean onlyDirectory) { + ArrayList<File> collection = new ArrayList<>(); + if (file.isDirectory() && file.exists()) { + File[] files = file.listFiles(); + for (File innerFile : files) { + if (innerFile.isFile() && !onlyDirectory) { + collection.add(innerFile); + } else if (innerFile.isDirectory()) { + collection.add(innerFile); + if (recursive) { + collection.addAll(getAllFiles(innerFile, recursive, onlyDirectory)); + } + } + } + } + return collection; + } + + /** + * Gets comma saperated list. + * + * @param list the list + * @return the comma saperated list + */ + public static String getCommaSaperatedList(List list) { + String toReturn = ""; + + for (Object obj : list) { + if (!toReturn.trim().isEmpty()) { + toReturn += ","; + } + toReturn += obj; + } + + return toReturn; + } + + /** + * Gets comma saperated list. + * + * @param list the list + * @return the comma saperated list + */ + public static String getCommaSaperatedList(String[] list) { + return getCommaSaperatedList(list == null ? Arrays.asList() : Arrays.asList(list)); + } + + /** + * Gets config type. + * + * @param url the url + * @return the config type + */ + public static ConfigurationType getConfigType(URL url) { + return Enum.valueOf(ConfigurationType.class, + url.getFile().substring(url.getFile().lastIndexOf('.') + 1).toUpperCase()); + } + + /** + * Gets config type. + * + * @param file the file + * @return the config type + */ + public static ConfigurationType getConfigType(File file) { + return Enum.valueOf(ConfigurationType.class, + file.getAbsolutePath().substring(file.getAbsolutePath().lastIndexOf('.') + 1) + .toUpperCase()); + } + + /** + * Is config boolean. + * + * @param url the url + * @return the boolean + */ + public static boolean isConfig(URL url) { + return isConfig(url.getFile()); + } + + /** + * Is config boolean. + * + * @param file the file + * @return the boolean + */ + public static boolean isConfig(File file) { + return file != null && file.exists() && isConfig(file.getName()); + } + + /** + * Is config boolean. + * + * @param file the file + * @return the boolean + */ + public static boolean isConfig(String file) { + file = file.toUpperCase().substring(file.lastIndexOf('!') + 1); + file = file.substring(file.lastIndexOf('/') + 1); + return file.matches( + "CONFIG(-\\w*){0,1}(-" + "(" + ConfigurationMode.OVERRIDE + "|" + ConfigurationMode.MERGE + + "|" + ConfigurationMode.UNION + ")){0,1}" + "\\.(" + + ConfigurationType.PROPERTIES.name() + "|" + ConfigurationType.XML.name() + "|" + + ConfigurationType.JSON.name() + "|" + ConfigurationType.YAML.name() + ")$") + || file.matches("CONFIG(.)*\\.(" + ConfigurationType.PROPERTIES.name() + "|" + + ConfigurationType.XML.name() + "|" + ConfigurationType.JSON.name() + "|" + + ConfigurationType.YAML.name() + ")$"); + } + + /** + * Gets namespace. + * + * @param url the url + * @return the namespace + */ + public static String getNamespace(URL url) { + String namespace = getNamespace(getConfiguration(url)); + if (namespace != null) { + return namespace.toUpperCase(); + } + return getNamespace(url.getFile().toUpperCase()); + } + + /** + * Gets namespace. + * + * @param file the file + * @return the namespace + */ + public static String getNamespace(File file) { + String namespace = getNamespace(getConfiguration(file)); + if (namespace != null) { + return namespace.toUpperCase(); + } + return getNamespace(file.getName().toUpperCase()); + } + + private static String getNamespace(Configuration config) { + return config.getString(Constants.NAMESPACE_KEY) == null ? null + : config.getString(Constants.NAMESPACE_KEY).toUpperCase(); + } + + /** + * Gets namespace. + * + * @param file the file + * @return the namespace + */ + public static String getNamespace(String file) { + file = file.toUpperCase().substring(file.lastIndexOf('!') + 1); + file = file.substring(file.lastIndexOf('/') + 1); + Pattern pattern = Pattern.compile( + "CONFIG(-\\w*){0,1}(-" + "(" + ConfigurationMode.OVERRIDE + "|" + ConfigurationMode.MERGE + + "|" + ConfigurationMode.UNION + ")){0,1}" + "\\.(" + + ConfigurationType.PROPERTIES.name() + "|" + ConfigurationType.XML.name() + "|" + + ConfigurationType.JSON.name() + "|" + ConfigurationType.YAML.name() + ")$"); + Matcher matcher = pattern.matcher(file); + boolean b1 = matcher.matches(); + if (b1) { + if (matcher.group(1) != null) { + String moduleName = matcher.group(1).substring(1); + return moduleName.equalsIgnoreCase(ConfigurationMode.OVERRIDE.name()) + || moduleName.equalsIgnoreCase(ConfigurationMode.UNION.name()) + || moduleName.equalsIgnoreCase(ConfigurationMode.MERGE.name()) + ? Constants.DEFAULT_NAMESPACE : moduleName; + } else { + return Constants.DEFAULT_NAMESPACE; + } + } else if (isConfig(file)) { + return Constants.DEFAULT_NAMESPACE; + } + + return null; + } + + /** + * Gets merge strategy. + * + * @param url the url + * @return the merge strategy + */ + public static ConfigurationMode getMergeStrategy(URL url) { + String configMode = getMergeStrategy(getConfiguration(url)); + if (configMode != null) { + try { + return Enum.valueOf(ConfigurationMode.class, configMode); + } catch (Exception exception) { + //do nothing + } + } + return getMergeStrategy(url.getFile().toUpperCase()); + } + + private static String getMergeStrategy(Configuration config) { + return config.getString(Constants.MODE_KEY) == null ? null + : config.getString(Constants.MODE_KEY).toUpperCase(); + } + + /** + * Gets merge strategy. + * + * @param file the file + * @return the merge strategy + */ + public static ConfigurationMode getMergeStrategy(File file) { + String configMode = getMergeStrategy(getConfiguration(file)); + if (configMode != null) { + try { + return Enum.valueOf(ConfigurationMode.class, configMode); + } catch (Exception exception) { + //do nothing + } + } + return getMergeStrategy(file.getName().toUpperCase()); + } + + /** + * Gets merge strategy. + * + * @param file the file + * @return the merge strategy + */ + public static ConfigurationMode getMergeStrategy(String file) { + file = file.toUpperCase().substring(file.lastIndexOf('!') + 1); + file = file.substring(file.lastIndexOf('/') + 1); + Pattern pattern = Pattern.compile( + "CONFIG(-\\w*){0,1}(-" + "(" + ConfigurationMode.OVERRIDE + "|" + ConfigurationMode.MERGE + + "|" + ConfigurationMode.UNION + ")){0,1}" + "\\.(" + + ConfigurationType.PROPERTIES.name() + "|" + ConfigurationType.XML.name() + "|" + + ConfigurationType.JSON.name() + "|" + ConfigurationType.YAML.name() + ")$"); + Matcher matcher = pattern.matcher(file); + boolean b1 = matcher.matches(); + if (b1) { + for (int i = 1; i <= matcher.groupCount(); i++) { + String modeName = matcher.group(i); + if (modeName != null) { + modeName = modeName.substring(1); + } + try { + return Enum.valueOf(ConfigurationMode.class, modeName); + } catch (Exception exception) { + //do nothing + } + } + } + + return null; + } + + /** + * Gets configuration. + * + * @param url the url + * @return the configuration + */ + public static FileBasedConfiguration getConfiguration(URL url) { + FileBasedConfiguration builder = null; + try { + switch (ConfigurationUtils.getConfigType(url)) { + case PROPERTIES: + builder = new Configurations().fileBased(PropertiesConfiguration.class, url); + break; + case XML: + builder = new Configurations().fileBased(XMLConfiguration.class, url); + break; + case JSON: + builder = new Configurations().fileBased(JsonConfiguration.class, url); + break; + case YAML: + builder = new Configurations().fileBased(YamlConfiguration.class, url); + break; + default: + } + } catch (ConfigurationException exception) { + exception.printStackTrace(); + } + return builder; + } + + /** + * Gets configuration. + * + * @param url the url + * @return the configuration + */ + public static FileBasedConfiguration getConfiguration(File url) { + FileBasedConfiguration builder = null; + try { + switch (ConfigurationUtils.getConfigType(url)) { + case PROPERTIES: + builder = new Configurations().fileBased(PropertiesConfiguration.class, url); + break; + case XML: + builder = new Configurations().fileBased(XMLConfiguration.class, url); + break; + case JSON: + builder = new Configurations().fileBased(JsonConfiguration.class, url); + break; + case YAML: + builder = new Configurations().fileBased(YamlConfiguration.class, url); + break; + default: + } + } catch (ConfigurationException exception) { + exception.printStackTrace(); + } + return builder; + } + + /** + * Gets collection generic type. + * + * @param field the field + * @return the collection generic type + */ + public static Class getCollectionGenericType(Field field) { + Type type = field.getGenericType(); + + if (type instanceof ParameterizedType) { + + ParameterizedType paramType = (ParameterizedType) type; + Type[] arr = paramType.getActualTypeArguments(); + + for (Type tp : arr) { + Class<?> clzz = (Class<?>) tp; + if (isWrapperClass(clzz)) { + return clzz; + } else { + throw new RuntimeException("Collection of type " + clzz.getName() + " not supported."); + } + } + } + return String[].class; + } + + /** + * Gets array class. + * + * @param clazz the clazz + * @return the array class + */ + public static Class getArrayClass(Class clazz) { + switch (clazz.getName()) { + case "java.lang.Byte": + return Byte[].class; + case "java.lang.Short": + return Short[].class; + case "java.lang.Integer": + return Integer[].class; + case "java.lang.Long": + return Long[].class; + case "java.lang.Float": + return Float[].class; + case "java.lang.Double": + return Double[].class; + case "java.lang.Boolean": + return Boolean[].class; + case "java.lang.Character": + return Character[].class; + case "java.lang.String": + return String[].class; + default: + } + return null; + } + + /** + * Gets all class path resources. + * + * @return the all class path resources + */ + public static List<URL> getAllClassPathResources() { + return CPScanner.scanResources(new ResourceFilter()); + } + + /** + * Execute ddlsql boolean. + * + * @param sql the sql + * @return the boolean + * @throws Exception the exception + */ + public static boolean executeDdlSql(String sql) throws Exception { + DataSource datasource = ConfigurationDataSource.lookup(); + try (Connection con = datasource.getConnection(); Statement stmt = con.createStatement()) { + stmt.executeQuery(sql); + } catch (Exception exception) { + System.err.println("Datasource initialization error. Configuration management will be using in-memory persistence."); + return false; + } + return true; + } + + /** + * Gets configuration builder. + * + * @param url the url + * @return the configuration builder + */ + public static BasicConfigurationBuilder<FileBasedConfiguration> getConfigurationBuilder(URL url) { + ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration> builder = null; + switch (ConfigurationUtils.getConfigType(url)) { + case PROPERTIES: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + PropertiesConfiguration.class); + break; + case XML: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + XMLConfiguration.class); + break; + case JSON: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + JsonConfiguration.class); + break; + case YAML: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + YamlConfiguration.class); + break; + default: + } + builder.configure(new Parameters().fileBased().setURL(url) + .setListDelimiterHandler(new DefaultListDelimiterHandler(','))); + return builder; + } + + /** + * Gets configuration builder. + * + * @param file the file + * @param autoSave the auto save + * @return the configuration builder + */ + public static BasicConfigurationBuilder<FileBasedConfiguration> getConfigurationBuilder(File file, + boolean autoSave) { + ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration> builder = null; + switch (ConfigurationUtils.getConfigType(file)) { + case PROPERTIES: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + PropertiesConfiguration.class); + break; + case XML: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + XMLConfiguration.class); + break; + case JSON: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + JsonConfiguration.class); + break; + case YAML: + builder = new ReloadingFileBasedConfigurationBuilder<FileBasedConfiguration>( + YamlConfiguration.class); + break; + default: + } + builder.configure(new Parameters().fileBased().setFile(file) + .setListDelimiterHandler(new DefaultListDelimiterHandler(','))); + builder.setAutoSave(autoSave); + return builder; + } + + + /** + * Execute select sql collection. + * + * @param sql the sql + * @param params the params + * @return the collection + * @throws Exception the exception + */ + public static Collection<String> executeSelectSql(String sql, String[] params) throws Exception { + Collection<String> coll = new ArrayList<>(); + DataSource datasource = ConfigurationDataSource.lookup(); + try (Connection con = datasource.getConnection(); + PreparedStatement stmt = con.prepareStatement(sql)) { + if (params != null) { + for (int i = 0; i < params.length; i++) { + stmt.setString(i + 1, params[i]); + } + } + ResultSet rs = stmt.executeQuery(); + while (rs.next()) { + coll.add(rs.getString(1)); + } + } catch (Exception exception) { + //exception.printStackTrace(); + return null; + } + return coll; + } + + /** + * Execute insert sql boolean. + * + * @param sql the sql + * @param params the params + * @return the boolean + * @throws Exception the exception + */ + public static boolean executeInsertSql(String sql, Object[] params) throws Exception { + Collection<String> coll = new ArrayList<>(); + DataSource datasource = ConfigurationDataSource.lookup(); + try (Connection con = datasource.getConnection(); + PreparedStatement stmt = con.prepareStatement(sql)) { + if (params != null) { + int counter = 0; + for (Object obj : params) { + if (obj == null) { + obj = ""; + } + switch (obj.getClass().getName()) { + case "java.lang.String": + stmt.setString(++counter, obj.toString()); + break; + case "java.lang.Integer": + stmt.setInt(++counter, ((Integer) obj).intValue()); + break; + case "java.lang.Long": + stmt.setLong(++counter, ((Long) obj).longValue()); + break; + default: + stmt.setString(++counter, obj.toString()); + break; + } + } + } + stmt.executeUpdate(); + return true; + } catch (Exception exception) { + exception.printStackTrace(); + } + return false; + } + + /** + * Read t. + * + * @param <T> the type parameter + * @param config the config + * @param clazz the clazz + * @param keyPrefix the key prefix + * @return the t + * @throws Exception the exception + */ + public static <T> T read(Configuration config, Class<T> clazz, String keyPrefix) + throws Exception { + org.openecomp.config.api.Config confAnnot = + clazz.getAnnotation(org.openecomp.config.api.Config.class); + if (confAnnot != null) { + keyPrefix += (confAnnot.key() + "."); + } + T objToReturn = clazz.newInstance(); + for (Field field : clazz.getDeclaredFields()) { + org.openecomp.config.api.Config fieldConfAnnot = + field.getAnnotation(org.openecomp.config.api.Config.class); + if (fieldConfAnnot != null) { + field.setAccessible(true); + field.set(objToReturn, config.getProperty(keyPrefix + fieldConfAnnot.key())); + } else if (field.getType().getAnnotation(org.openecomp.config.api.Config.class) != null) { + field.set(objToReturn, read(config, field.getType(), keyPrefix)); + } + } + return objToReturn; + } + + /** + * Gets db configuration builder. + * + * @param configName the config name + * @return the db configuration builder + * @throws Exception the exception + */ + public static BasicConfigurationBuilder<AgglomerateConfiguration> getDbConfigurationBuilder( + String configName) throws Exception { + Configuration dbConfig = ConfigurationRepository.lookup() + .getConfigurationFor(Constants.DEFAULT_TENANT, Constants.DB_NAMESPACE); + BasicConfigurationBuilder<AgglomerateConfiguration> builder = + new BasicConfigurationBuilder<AgglomerateConfiguration>(AgglomerateConfiguration.class); + builder.configure( + new Parameters().database() + .setDataSource(ConfigurationDataSource.lookup()) + .setTable(dbConfig.getString("config.Table")) + .setKeyColumn(dbConfig.getString("configKey")) + .setValueColumn(dbConfig.getString("configValue")) + .setConfigurationNameColumn(dbConfig.getString("configNameColumn")) + .setConfigurationName(configName) + .setAutoCommit(true) + ); + return builder; + } + + /** + * Gets property. + * + * @param config the config + * @param key the key + * @param processingHints the processing hints + * @return the property + */ + public static Object getProperty(Configuration config, String key, int processingHints) { + if (!isDirectLookup(processingHints)) { + if (config instanceof AgglomerateConfiguration) { + return ((AgglomerateConfiguration) config).getPropertyValue(key); + } else if (config instanceof CompositeConfiguration) { + CompositeConfiguration conf = (CompositeConfiguration) config; + for (int i = 0; i < conf.getNumberOfConfigurations(); i++) { + if (conf.getConfiguration(i) instanceof AgglomerateConfiguration) { + return ((AgglomerateConfiguration) conf.getConfiguration(i)).getPropertyValue(key); + } else if (isNodeSpecific(processingHints)) { + Object obj = conf.getConfiguration(i).getProperty(key); + if (obj != null) { + return obj; + } + } + } + } + } + return config.getProperty(key); + } + + /** + * Gets primitive array. + * + * @param collection the collection + * @param clazz the clazz + * @return the primitive array + */ + public static Object getPrimitiveArray(Collection collection, Class clazz) { + + if (clazz == int.class) { + int[] array = new int[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (int) objArray[i]; + } + return array; + } + if (clazz == byte.class) { + byte[] array = new byte[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (byte) objArray[i]; + } + return array; + } + if (clazz == short.class) { + short[] array = new short[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (short) objArray[i]; + } + return array; + } + if (clazz == long.class) { + long[] array = new long[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (long) objArray[i]; + } + return array; + } + if (clazz == float.class) { + float[] array = new float[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (float) objArray[i]; + } + return array; + } + if (clazz == double.class) { + double[] array = new double[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (double) objArray[i]; + } + return array; + } + if (clazz == boolean.class) { + boolean[] array = new boolean[collection.size()]; + Object[] objArray = collection.toArray(); + for (int i = 0; i < collection.size(); i++) { + array[i] = (boolean) objArray[i]; + } + return array; + } + Object obj = null; + return obj; + } + + /** + * Is wrapper class boolean. + * + * @param clazz the clazz + * @return the boolean + */ + public static boolean isWrapperClass(Class clazz) { + return clazz == String.class || clazz == Boolean.class || clazz == Character.class + || Number.class.isAssignableFrom(clazz); + } + + /** + * Gets collection string. + * + * @param input the input + * @return the collection string + */ + public static String getCollectionString(String input) { + Pattern pattern = Pattern.compile("^\\[(.*)\\]$"); + Matcher matcher = pattern.matcher(input); + if (matcher.matches()) { + input = matcher.group(1); + } + return input; + } + + /** + * Is collection boolean. + * + * @param input the input + * @return the boolean + */ + public static boolean isCollection(String input) { + Pattern pattern = Pattern.compile("^\\[(.*)\\]$"); + Matcher matcher = pattern.matcher(input); + return matcher.matches(); + } + + /** + * Process variables if present string. + * + * @param tenant the tenant + * @param namespace the namespace + * @param data the data + * @return the string + */ + public static String processVariablesIfPresent(String tenant, String namespace, String data) { + Pattern pattern = Pattern.compile("^.*\\$\\{(.*)\\}.*"); + Matcher matcher = pattern.matcher(data); + if (matcher.matches()) { + String key = matcher.group(1); + if (key.toUpperCase().startsWith("ENV:")) { + String envValue = System.getenv(key.substring(4)); + return processVariablesIfPresent(tenant, namespace, data.replaceAll("\\$\\{" + key + "\\}", + envValue == null ? "" : envValue.replace("\\", "\\\\"))); + } else if (key.toUpperCase().startsWith("SYS:")) { + String sysValue = System.getProperty(key.substring(4)); + return processVariablesIfPresent(tenant, namespace, data.replaceAll("\\$\\{" + key + "\\}", + sysValue == null ? "" : sysValue.replace("\\", "\\\\"))); + } else { + String propertyValue = ConfigurationUtils.getCollectionString( + ConfigurationManager.lookup().getAsStringValues(tenant, namespace, key).toString()); + return processVariablesIfPresent(tenant, namespace, data.replaceAll("\\$\\{" + key + "\\}", + propertyValue == null ? "" : propertyValue.replace("\\", "\\\\"))); + } + } else { + return data; + } + } + + /** + * Gets file contents. + * + * @param path the path + * @return the file contents + */ + public static String getFileContents(String path) { + try { + if (path != null) { + return IOUtils.toString(new URL(path)); + } + } catch (Exception exception) { + exception.printStackTrace(); + } + return null; + } + + /** + * Gets file contents. + * + * @param path the path + * @return the file contents + */ + public static String getFileContents(Path path) { + try { + if (path != null) { + return new String(Files.readAllBytes(path)); + } + } catch (Exception exception) { + exception.printStackTrace(); + } + return null; + } + + /** + * Gets concrete collection. + * + * @param clazz the clazz + * @return the concrete collection + */ + public static Collection getConcreteCollection(Class clazz) { + Collection collection = null; + + switch (clazz.getName()) { + case "java.util.Collection": + case "java.util.List": + return new ArrayList<>(); + case "java.util.Set": + return new HashSet<>(); + case "java.util.SortedSet": + return new TreeSet<>(); + case "java.util.Queue": + return new ConcurrentLinkedQueue<>(); + case "java.util.Deque": + return new ArrayDeque<>(); + case "java.util.concurrent.TransferQueue": + return new LinkedTransferQueue<>(); + case "java.util.concurrent.BlockingQueue": + return new LinkedBlockingQueue<>(); + default: + } + + return collection; + } + + /** + * Gets default for. + * + * @param clazz the clazz + * @return the default for + */ + public static Object getDefaultFor(Class clazz) { + if (byte.class == clazz) { + return new Byte("0"); + } else if (short.class == clazz) { + return new Short("0"); + } else if (int.class == clazz) { + return new Integer("0"); + } else if (float.class == clazz) { + return new Float("0"); + } else if (long.class == clazz) { + return new Long("0"); + } else if (double.class == clazz) { + return new Double("0"); + } else if (boolean.class == clazz) { + return Boolean.FALSE; + } + return new Character((char) 0); + } + + /** + * Gets compatible collection for abstract def. + * + * @param clazz the clazz + * @return the compatible collection for abstract def + */ + public static Collection getCompatibleCollectionForAbstractDef(Class clazz) { + if (BlockingQueue.class.isAssignableFrom(clazz)) { + return getConcreteCollection(BlockingQueue.class); + } + if (TransferQueue.class.isAssignableFrom(clazz)) { + return getConcreteCollection(TransferQueue.class); + } + if (Deque.class.isAssignableFrom(clazz)) { + return getConcreteCollection(Deque.class); + } + if (Queue.class.isAssignableFrom(clazz)) { + return getConcreteCollection(Queue.class); + } + if (SortedSet.class.isAssignableFrom(clazz)) { + return getConcreteCollection(SortedSet.class); + } + if (Set.class.isAssignableFrom(clazz)) { + return getConcreteCollection(Set.class); + } + if (List.class.isAssignableFrom(clazz)) { + return getConcreteCollection(List.class); + } + return null; + } + + /** + * Gets configuration repository key. + * + * @param array the array + * @return the configuration repository key + */ + public static String getConfigurationRepositoryKey(String[] array) { + Stack<String> stack = new Stack<>(); + stack.push(Constants.DEFAULT_TENANT); + for (String element : array) { + stack.push(element); + } + String toReturn = stack.pop(); + return stack.pop() + Constants.KEY_ELEMENTS_DELEMETER + toReturn; + } + + /** + * Gets configuration repository key. + * + * @param file the file + * @return the configuration repository key + */ + public static String getConfigurationRepositoryKey(File file) { + return getConfigurationRepositoryKey( + ConfigurationUtils.getNamespace(file).split(Constants.TENANT_NAMESPACE_SAPERATOR)); + } + + /** + * Gets configuration repository key. + * + * @param url the url + * @return the configuration repository key + */ + public static String getConfigurationRepositoryKey(URL url) { + return getConfigurationRepositoryKey( + ConfigurationUtils.getNamespace(url).split(Constants.TENANT_NAMESPACE_SAPERATOR)); + } + + /** + * To map linked hash map. + * + * @param config the config + * @return the linked hash map + */ + public static LinkedHashMap toMap(Configuration config) { + Iterator<String> iterator = config.getKeys(); + LinkedHashMap<String, String> map = new LinkedHashMap<>(); + while (iterator.hasNext()) { + String key = iterator.next(); + if (!(key.equals(Constants.MODE_KEY) || key.equals(Constants.NAMESPACE_KEY) + || key.equals(Constants.LOAD_ORDER_KEY))) { + map.put(key, config.getProperty(key).toString()); + } + } + + return map; + } + + /** + * Diff map. + * + * @param orig the orig + * @param latest the latest + * @return the map + */ + public static Map diff(LinkedHashMap orig, LinkedHashMap latest) { + orig = new LinkedHashMap<>(orig); + latest = new LinkedHashMap<>(latest); + List<String> set = new ArrayList(orig.keySet()); + for (String key : set) { + if (latest.remove(key, orig.get(key))) { + orig.remove(key); + } + } + Set<String> keys = latest.keySet(); + for (String key : keys) { + orig.remove(key); + } + set = new ArrayList(orig.keySet()); + for (String key : set) { + latest.put(key, ""); + } + return new HashMap<>(latest); + } + + /** + * Is array boolean. + * + * @param tenant the tenant + * @param namespace the namespace + * @param key the key + * @param processingHints the processing hints + * @return the boolean + * @throws Exception the exception + */ + public static boolean isArray(String tenant, String namespace, String key, int processingHints) + throws Exception { + Object obj = ConfigurationUtils + .getProperty(ConfigurationRepository.lookup().getConfigurationFor(tenant, namespace), key, + processingHints); + return (obj == null) ? false : ConfigurationUtils.isCollection(obj.toString()); + } + + /** + * Is direct lookup boolean. + * + * @param hints the hints + * @return the boolean + */ + public static boolean isDirectLookup(int hints) { + return (hints & LATEST_LOOKUP.value()) == LATEST_LOOKUP.value(); + } + + /** + * Is external lookup boolean. + * + * @param hints the hints + * @return the boolean + */ + public static boolean isExternalLookup(int hints) { + return (hints & EXTERNAL_LOOKUP.value()) == EXTERNAL_LOOKUP.value(); + } + + /** + * Is node specific boolean. + * + * @param hints the hints + * @return the boolean + */ + public static boolean isNodeSpecific(int hints) { + return (hints & NODE_SPECIFIC.value()) == NODE_SPECIFIC.value(); + } + + public static boolean isZeroLengthArray(Class clazz, Object obj){ + if (clazz.isArray() && clazz.getComponentType().isPrimitive()){ + if (clazz.getComponentType()==int.class){ + return ((int[])obj).length==0; + }else if (clazz.getComponentType()==byte.class){ + return ((byte[])obj).length==0; + }else if (clazz.getComponentType()==short.class){ + return ((short[])obj).length==0; + }else if (clazz.getComponentType()==float.class){ + return ((float[])obj).length==0; + }else if (clazz.getComponentType()==boolean.class){ + return ((boolean[])obj).length==0; + }else if (clazz.getComponentType()==double.class){ + return ((double[])obj).length==0; + }else if (clazz.getComponentType()==long.class){ + return ((long[])obj).length==0; + }else{ + return ((Object[])obj).length==0; + } + } + + return false; + } + + /** + * Checks if value is blank + * @param value + * @return + */ + public static boolean isBlank(String value){ + return value==null || value.trim().length()==0; + } +} |