refactor
This commit is contained in:
Radek Davidek
parent
2209854f92
commit
41a78b282f
@ -1,96 +1,162 @@
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package cz.trask.apioperator.config;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.util.Properties;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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public class ConfigManager {
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public final class ConfigManager {
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private static Logger log = LogManager.getLogger(ConfigManager.class);
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/* -------------------------------------------------------------------- */
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/* LOGIC & CONSTANTS */
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/* -------------------------------------------------------------------- */
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private static ConfigManager instance = null;
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private static final Logger log = LogManager.getLogger(ConfigManager.class);
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private final static String PROPERTY_FILENAME = "api-operator.properties";
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private static final String PROPERTY_FILENAME = "api-operator.properties";
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// Property fields
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private String sourceRegistrationApiUrl;
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private String sourcePublisherApiUrl;
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private String sourceDevportalApiUrl;
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private String sourcePublisherTokenUrl;
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private String sourceWso2User;
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private String targetRegistrationApiUrl;
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private String targetPublisherApiUrl;
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private String targetDevportalApiUrl;
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private String targetPublisherTokenUrl;
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private String targetWso2User;
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private String truststorePath;
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private String truststorePassword;
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private String publisherUrlPattern;
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private String devportalUrlPattern;
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private String apicurioApiUrl;
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private String defaultApiGroup;
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private int maxThreads;
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// SOURCE
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public static final String PROP_SOURCE_REGISTRATION_API_URL = "SOURCE_REGISTRATION_API_URL";
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public static final String PROP_SOURCE_PUBLISHER_API_URL = "SOURCE_PUBLISHER_API_URL";
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public static final String PROP_SOURCE_DEVPORTAL_API_URL = "SOURCE_DEVPORTAL_API_URL";
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public static final String PROP_SOURCE_PUBLISHER_TOKEN_URL = "SOURCE_PUBLISHER_TOKEN_URL";
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public static final String PROP_SOURCE_WSO2_USER = "SOURCE_WSO2_USER";
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// TARGET
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public static final String PROP_TARGET_REGISTRATION_API_URL = "TARGET_REGISTRATION_API_URL";
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public static final String PROP_TARGET_PUBLISHER_API_URL = "TARGET_PUBLISHER_API_URL";
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public static final String PROP_TARGET_DEVPORTAL_API_URL = "TARGET_DEVPORTAL_API_URL";
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public static final String PROP_TARGET_PUBLISHER_TOKEN_URL = "TARGET_PUBLISHER_TOKEN_URL";
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public static final String PROP_TARGET_WSO2_USER = "TARGET_WSO2_USER";
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// TRUSTSTORE
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public static final String PROP_TRUSTSTORE_PATH = "TRUSTSTORE_PATH";
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public static final String PROP_TRUSTSTORE_PASSWORD = "TRUSTSTORE_PASSWORD";
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// URL PATTERNS
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public static final String PROP_PUBLISHER_URL_PATTERN = "PUBLISHER_URL_PATTERN";
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public static final String PROP_DEVPORTAL_URL_PATTERN = "DEVPORTAL_URL_PATTERN";
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// APICURIO & GROUP
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public static final String PROP_APICURIO_API_URL = "APICURIO_API_URL";
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public static final String PROP_DEFAULT_API_GROUP = "DEFAULT_API_GROUP";
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// MAX THREADS
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public static final String PROP_MAX_THREADS = "MAX_THREADS";
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/* -------------------------------------------------------------------- */
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/* CONFIGURATION FIELDS */
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/* -------------------------------------------------------------------- */
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private final String sourceRegistrationApiUrl;
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private final String sourcePublisherApiUrl;
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private final String sourceDevportalApiUrl;
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private final String sourcePublisherTokenUrl;
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private final String sourceWso2User;
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private final String targetRegistrationApiUrl;
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private final String targetPublisherApiUrl;
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private final String targetDevportalApiUrl;
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private final String targetPublisherTokenUrl;
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private final String targetWso2User;
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private final String truststorePath;
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private final String truststorePassword;
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private final String publisherUrlPattern;
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private final String devportalUrlPattern;
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private final String apicurioApiUrl;
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private final String defaultApiGroup;
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private final int maxThreads;
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/* -------------------------------------------------------------------- */
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/* SINGLETON – lazy‑initialization‑on-demand holder */
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/* -------------------------------------------------------------------- */
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private ConfigManager() {
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Properties properties = new Properties();
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Properties props = new Properties();
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log.info("Loading property file '{}'", PROPERTY_FILENAME);
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log.info("Loading property file '" + PROPERTY_FILENAME + "'");
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InputStream in = null;
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try {
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File f = new File(PROPERTY_FILENAME);
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log.info("External property file location: " + f.getAbsolutePath());
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in = new FileInputStream(f);
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log.info("External property file found.");
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File extFile = new File(PROPERTY_FILENAME);
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if (extFile.exists() && extFile.isFile()) {
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log.info("External property file found: {}", extFile.getAbsolutePath());
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in = Files.newInputStream(extFile.toPath());
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} else {
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log.debug("External property file not found.");
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}
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} catch (Exception e) {
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log.info("External property file not found.");
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log.warn("Error while accessing external property file", e);
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}
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if (in == null) {
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try {
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ClassLoader loader = Thread.currentThread().getContextClassLoader();
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in = loader.getResourceAsStream(PROPERTY_FILENAME);
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log.info("Internal property file found.");
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} catch (Exception ex) {
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log.info("Internal property file not found.");
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ClassLoader cl = Thread.currentThread().getContextClassLoader();
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in = cl.getResourceAsStream(PROPERTY_FILENAME);
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if (in != null) {
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log.info("Internal property file found on classpath.");
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} else {
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log.warn("Property file '{}' not found on classpath.", PROPERTY_FILENAME);
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}
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} catch (Exception e) {
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log.error("Unable to load property file from classpath", e);
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}
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}
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try {
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properties.load(in);
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try (InputStream input = in) {
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if (input != null) {
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props.load(input);
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log.info("Property file loaded successfully.");
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} else {
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log.warn("No property source available; proceeding with defaults where possible.");
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}
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} catch (Exception e) {
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log.error("Cannot load property file.", e);
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}
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sourceRegistrationApiUrl = properties.getProperty("SOURCE_REGISTRATION_API_URL");
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sourcePublisherApiUrl = properties.getProperty("SOURCE_PUBLISHER_API_URL");
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sourceDevportalApiUrl = properties.getProperty("SOURCE_DEVPORTAL_API_URL");
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sourcePublisherTokenUrl = properties.getProperty("SOURCE_PUBLISHER_TOKEN_URL");
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sourceWso2User = properties.getProperty("SOURCE_WSO2_USER");
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targetRegistrationApiUrl = properties.getProperty("TARGET_REGISTRATION_API_URL");
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targetPublisherApiUrl = properties.getProperty("TARGET_PUBLISHER_API_URL");
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targetDevportalApiUrl = properties.getProperty("TARGET_DEVPORTAL_API_URL");
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targetPublisherTokenUrl = properties.getProperty("TARGET_PUBLISHER_TOKEN_URL");
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targetWso2User = properties.getProperty("TARGET_WSO2_USER");
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truststorePath = properties.getProperty("TRUSTSTORE_PATH");
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truststorePassword = properties.getProperty("TRUSTSTORE_PASSWORD");
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publisherUrlPattern = properties.getProperty("PUBLISHER_URL_PATTERN");
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devportalUrlPattern = properties.getProperty("DEVPORTAL_URL_PATTERN");
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apicurioApiUrl = properties.getProperty("APICURIO_API_URL");
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defaultApiGroup = properties.getProperty("DEFAULT_API_GROUP");
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maxThreads = Integer.parseInt(properties.getProperty("MAX_THREADS", "10"));
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sourceRegistrationApiUrl = props.getProperty(PROP_SOURCE_REGISTRATION_API_URL);
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sourcePublisherApiUrl = props.getProperty(PROP_SOURCE_PUBLISHER_API_URL);
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sourceDevportalApiUrl = props.getProperty(PROP_SOURCE_DEVPORTAL_API_URL);
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sourcePublisherTokenUrl = props.getProperty(PROP_SOURCE_PUBLISHER_TOKEN_URL);
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sourceWso2User = props.getProperty(PROP_SOURCE_WSO2_USER);
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targetRegistrationApiUrl = props.getProperty(PROP_TARGET_REGISTRATION_API_URL);
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targetPublisherApiUrl = props.getProperty(PROP_TARGET_PUBLISHER_API_URL);
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targetDevportalApiUrl = props.getProperty(PROP_TARGET_DEVPORTAL_API_URL);
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targetPublisherTokenUrl = props.getProperty(PROP_TARGET_PUBLISHER_TOKEN_URL);
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targetWso2User = props.getProperty(PROP_TARGET_WSO2_USER);
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truststorePath = props.getProperty(PROP_TRUSTSTORE_PATH);
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truststorePassword = props.getProperty(PROP_TRUSTSTORE_PASSWORD);
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publisherUrlPattern = props.getProperty(PROP_PUBLISHER_URL_PATTERN);
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devportalUrlPattern = props.getProperty(PROP_DEVPORTAL_URL_PATTERN);
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apicurioApiUrl = props.getProperty(PROP_APICURIO_API_URL);
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defaultApiGroup = props.getProperty(PROP_DEFAULT_API_GROUP);
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maxThreads = Integer.parseInt(props.getProperty(PROP_MAX_THREADS, "10"));
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}
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public static synchronized ConfigManager getInstance() {
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if (instance == null) {
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if (instance == null) {
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instance = new ConfigManager();
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/** Lazily‑initialized singleton instance. */
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private static final class Holder {
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static final ConfigManager INSTANCE = new ConfigManager();
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}
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public static ConfigManager getInstance() {
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return Holder.INSTANCE;
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}
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return instance;
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}
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/* -------------------------------------------------------------------- */
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/* PUBLIC GETTERS */
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/* -------------------------------------------------------------------- */
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public String getSourceRegistrationApiUrl() {
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return sourceRegistrationApiUrl;
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