compat/maven-embedder/src/main/java/org/apache/maven/cli/props/MavenPropertiesLoader.java [32:166]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - public class MavenPropertiesLoader { public static final String INCLUDES_PROPERTY = "${includes}"; // includes public static final String OVERRIDE_PREFIX = "maven.override."; // prefix that marks that system property should override defaults. public static void loadProperties( java.util.Properties properties, Path path, UnaryOperator callback, boolean escape) throws IOException { MavenProperties sp = new MavenProperties(false); if (Files.exists(path)) { sp.load(path); } properties.forEach( (k, v) -> sp.put(k.toString(), escape ? DefaultInterpolator.escape(v.toString()) : v.toString())); loadIncludes(path, sp, callback); substitute(sp, callback); sp.forEach(properties::setProperty); } public static void substitute(MavenProperties props, UnaryOperator callback) { for (Enumeration e = props.propertyNames(); e.hasMoreElements(); ) { String name = (String) e.nextElement(); String value = props.getProperty(name); if (value == null) { value = callback.apply(name); } if (name.startsWith(OVERRIDE_PREFIX)) { String overrideName = name.substring(OVERRIDE_PREFIX.length()); props.put(overrideName, substVars(value, name, props, callback)); } else { props.put(name, substVars(value, name, props, callback)); } } props.keySet().removeIf(k -> k.startsWith(OVERRIDE_PREFIX)); } private static MavenProperties loadPropertiesFile(Path path, boolean failIfNotFound, UnaryOperator callback) throws IOException { MavenProperties configProps = new MavenProperties(null, false); if (Files.exists(path) || failIfNotFound) { configProps.load(path); loadIncludes(path, configProps, callback); trimValues(configProps); } return configProps; } private static void loadIncludes(Path configProp, MavenProperties configProps, UnaryOperator callback) throws IOException { String includes = configProps.get(INCLUDES_PROPERTY); if (includes != null) { includes = substVars(includes, INCLUDES_PROPERTY, configProps, callback); StringTokenizer st = new StringTokenizer(includes, "?\",", true); if (st.countTokens() > 0) { String location; do { location = nextLocation(st); if (location != null) { boolean mandatory = true; if (location.startsWith("?")) { mandatory = false; location = location.substring(1); } Path path = configProp.resolveSibling(location); MavenProperties props = loadPropertiesFile(path, mandatory, s -> { var v = callback.apply(s); return v != null ? v : configProps.getProperty(s); }); configProps.putAll(props); } } while (location != null); } } configProps.remove(INCLUDES_PROPERTY); } private static void trimValues(MavenProperties configProps) { configProps.replaceAll((k, v) -> v.trim()); } private static String nextLocation(StringTokenizer st) { boolean optional = false; String retVal = null; if (st.countTokens() > 0) { String tokenList = "?\","; StringBuilder tokBuf = new StringBuilder(10); String tok; boolean inQuote = false; boolean tokStarted = false; boolean exit = false; while ((st.hasMoreTokens()) && (!exit)) { tok = st.nextToken(tokenList); switch (tok) { case "\"": inQuote = !inQuote; if (inQuote) { tokenList = "\""; } else { tokenList = "\" "; } break; case ",": if (tokStarted) { retVal = tokBuf.toString(); tokStarted = false; tokBuf = new StringBuilder(10); exit = true; } break; case "?": optional = true; break; default: tokStarted = true; tokBuf.append(tok.trim()); break; } } // Handle case where end of token stream and // still got data if ((!exit) && (tokStarted)) { retVal = tokBuf.toString(); } } return optional ? "?" + retVal : retVal; } public static String substVars( String value, String name, Map props, UnaryOperator callback) { return DefaultInterpolator.substVars(value, name, null, props, callback, null, false); - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - impl/maven-cli/src/main/java/org/apache/maven/cling/props/MavenPropertiesLoader.java [31:165]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - public class MavenPropertiesLoader { public static final String INCLUDES_PROPERTY = "${includes}"; // includes public static final String OVERRIDE_PREFIX = "maven.override."; // prefix that marks that system property should override defaults. public static void loadProperties( java.util.Properties properties, Path path, UnaryOperator callback, boolean escape) throws IOException { MavenProperties sp = new MavenProperties(false); if (Files.exists(path)) { sp.load(path); } properties.forEach( (k, v) -> sp.put(k.toString(), escape ? DefaultInterpolator.escape(v.toString()) : v.toString())); loadIncludes(path, sp, callback); substitute(sp, callback); sp.forEach(properties::setProperty); } public static void substitute(MavenProperties props, UnaryOperator callback) { for (Enumeration e = props.propertyNames(); e.hasMoreElements(); ) { String name = (String) e.nextElement(); String value = props.getProperty(name); if (value == null) { value = callback.apply(name); } if (name.startsWith(OVERRIDE_PREFIX)) { String overrideName = name.substring(OVERRIDE_PREFIX.length()); props.put(overrideName, substVars(value, name, props, callback)); } else { props.put(name, substVars(value, name, props, callback)); } } props.keySet().removeIf(k -> k.startsWith(OVERRIDE_PREFIX)); } private static MavenProperties loadPropertiesFile(Path path, boolean failIfNotFound, UnaryOperator callback) throws IOException { MavenProperties configProps = new MavenProperties(null, false); if (Files.exists(path) || failIfNotFound) { configProps.load(path); loadIncludes(path, configProps, callback); trimValues(configProps); } return configProps; } private static void loadIncludes(Path configProp, MavenProperties configProps, UnaryOperator callback) throws IOException { String includes = configProps.get(INCLUDES_PROPERTY); if (includes != null) { includes = substVars(includes, INCLUDES_PROPERTY, configProps, callback); StringTokenizer st = new StringTokenizer(includes, "?\",", true); if (st.countTokens() > 0) { String location; do { location = nextLocation(st); if (location != null) { boolean mandatory = true; if (location.startsWith("?")) { mandatory = false; location = location.substring(1); } Path path = configProp.resolveSibling(location); MavenProperties props = loadPropertiesFile(path, mandatory, s -> { var v = callback.apply(s); return v != null ? v : configProps.getProperty(s); }); configProps.putAll(props); } } while (location != null); } } configProps.remove(INCLUDES_PROPERTY); } private static void trimValues(MavenProperties configProps) { configProps.replaceAll((k, v) -> v.trim()); } private static String nextLocation(StringTokenizer st) { boolean optional = false; String retVal = null; if (st.countTokens() > 0) { String tokenList = "?\","; StringBuilder tokBuf = new StringBuilder(10); String tok; boolean inQuote = false; boolean tokStarted = false; boolean exit = false; while ((st.hasMoreTokens()) && (!exit)) { tok = st.nextToken(tokenList); switch (tok) { case "\"": inQuote = !inQuote; if (inQuote) { tokenList = "\""; } else { tokenList = "\" "; } break; case ",": if (tokStarted) { retVal = tokBuf.toString(); tokStarted = false; tokBuf = new StringBuilder(10); exit = true; } break; case "?": optional = true; break; default: tokStarted = true; tokBuf.append(tok.trim()); break; } } // Handle case where end of token stream and // still got data if ((!exit) && (tokStarted)) { retVal = tokBuf.toString(); } } return optional ? "?" + retVal : retVal; } public static String substVars( String value, String name, Map props, UnaryOperator callback) { return DefaultInterpolator.substVars(value, name, null, props, callback, null, false); - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -