List of usage examples for com.google.common.base CharMatcher JAVA_UPPER_CASE
CharMatcher JAVA_UPPER_CASE
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From source file:moe.yuna.palinuridae.utils.PojoAnnotationUtil.java
public static String convertColumn(String field) { StringBuilder sb = new StringBuilder(field); int indexIn = CharMatcher.JAVA_UPPER_CASE.indexIn(sb); if (indexIn < 0) { return sb.toString(); } else {//from w ww.j ava2 s . c o m return convertColumn(sb, indexIn).toString(); } }
From source file:moe.yuna.palinuridae.utils.PojoAnnotationUtil.java
public static StringBuilder convertColumn(StringBuilder sb, int indexIn) { String charAt = String.valueOf(sb.charAt(indexIn)); sb.replace(indexIn, indexIn + 1, "_" + charAt.toLowerCase()); indexIn = CharMatcher.JAVA_UPPER_CASE.indexIn(sb); if (indexIn < 0) { return sb; } else {/*from w w w . ja v a2s .c o m*/ return convertColumn(sb, indexIn); } }
From source file:org.knight.examples.guava.strings.StringsExamples.java
private void charMatcher() { String u = "UPPER CASE LETTER"; String l = "lower case letter"; String uld = "LOWER case And Upper Case LETTER and 8912 digits 0000"; //return false log("CharMatcher.JAVA_LOWER_CASE.matches('A'): " + CharMatcher.JAVA_LOWER_CASE.matches('A')); //retain only the upper case letters(in this case, spaces will be removed). String s1 = CharMatcher.JAVA_UPPER_CASE.retainFrom(u); log("s1: " + s1); //s2 is "lowr lttr"(2 spaces) String s2 = CharMatcher.anyOf("case").removeFrom(l); log(s2);//from w w w . j ava 2s . c o m //replace all digits with "-" //result is "LOWER case And Upper Case LETTER and ---- digits ----" String s3 = CharMatcher.DIGIT.replaceFrom(uld, '-'); log(s3); //replace all consecutive digits with a single "-" //result is "LOWER case And Upper Case LETTER and - digits -" String s4 = CharMatcher.DIGIT.collapseFrom(uld, '-'); log(s4); //contains digit, so return false boolean b = CharMatcher.inRange('a', 'z').matchesAllOf(uld); log("matchesAllOf(a-z): " + b); }
From source file:org.onos.yangtools.binding.generator.util.Types.java
public static @Nullable String getOuterClassName(final Type valueType) { final String pkgName = valueType.getPackageName(); if (CharMatcher.JAVA_UPPER_CASE.indexIn(pkgName) >= 0) { // It is inner class. return Iterables.getLast(DOT_SPLITTER.split(pkgName)); }//from ww w . j a v a 2 s . c o m return null; }
From source file:org.opendaylight.mdsal.binding.javav2.generator.util.Types.java
@Nullable public static String getOuterClassName(final Type valueType) { final String pkgName = valueType.getPackageName(); if (CharMatcher.JAVA_UPPER_CASE.indexIn(pkgName) >= 0) { // It is inner class. return Iterables.getLast(DOT_SPLITTER.split(pkgName)); }// ww w . j a v a 2 s .c o m return null; }
From source file:com.facebook.buck.jvm.java.JavaFileParser.java
public JavaFileFeatures extractFeaturesFromJavaCode(String code) { // For now, we will harcode this. Ultimately, we probably want to make this configurable via // .buckconfig. For example, the Buck project itself is diligent about disallowing wildcard // imports, but the one exception is the Java code generated via Thrift in src-gen. final boolean shouldThrowForUnsupportedWildcardImport = false; final AtomicBoolean isPoisonedByUnsupportedWildcardImport = new AtomicBoolean(false); final CompilationUnit compilationUnit = makeCompilationUnitFromSource(code); final ImmutableSortedSet.Builder<String> providedSymbols = ImmutableSortedSet.naturalOrder(); final ImmutableSortedSet.Builder<String> requiredSymbols = ImmutableSortedSet.naturalOrder(); final ImmutableSortedSet.Builder<String> exportedSymbols = ImmutableSortedSet.naturalOrder(); final ImmutableSortedSet.Builder<String> requiredSymbolsFromExplicitImports = ImmutableSortedSet .naturalOrder();/*from www. j a v a 2 s . c o m*/ compilationUnit.accept(new ASTVisitor() { @Nullable private String packageName; /** Maps simple name to fully-qualified name. */ private Map<String, String> simpleImportedTypes = new HashMap<>(); /** * Maps wildcard import prefixes, such as {@code "java.util"} to the types in the respective * package if a wildcard import such as {@code import java.util.*} is used. */ private Map<String, ImmutableSet<String>> wildcardImports = new HashMap<>(); @Override public boolean visit(PackageDeclaration node) { Preconditions.checkState(packageName == null, "There should be at most one package declaration"); packageName = node.getName().getFullyQualifiedName(); return false; } // providedSymbols @Override public boolean visit(TypeDeclaration node) { // Local classes can be declared inside of methods. Skip over these. if (node.getParent() instanceof TypeDeclarationStatement) { return true; } String fullyQualifiedName = getFullyQualifiedTypeName(node); if (fullyQualifiedName != null) { providedSymbols.add(fullyQualifiedName); } @SuppressWarnings("unchecked") List<Type> interfaceTypes = node.superInterfaceTypes(); for (Type interfaceType : interfaceTypes) { tryAddType(interfaceType, DependencyType.EXPORTED); } Type superclassType = node.getSuperclassType(); if (superclassType != null) { tryAddType(superclassType, DependencyType.EXPORTED); } return true; } @Override public boolean visit(EnumDeclaration node) { String fullyQualifiedName = getFullyQualifiedTypeName(node); if (fullyQualifiedName != null) { providedSymbols.add(fullyQualifiedName); } return true; } @Override public boolean visit(AnnotationTypeDeclaration node) { String fullyQualifiedName = getFullyQualifiedTypeName(node); if (fullyQualifiedName != null) { providedSymbols.add(fullyQualifiedName); } return true; } // requiredSymbols /** * Uses heuristics to try to figure out what type of QualifiedName this is. Returns a non-null * value if this is believed to be a reference that qualifies as a "required symbol" * relationship. */ @Override public boolean visit(QualifiedName node) { QualifiedName ancestor = findMostQualifiedAncestor(node); ASTNode parent = ancestor.getParent(); if (!(parent instanceof PackageDeclaration) && !(parent instanceof ImportDeclaration)) { String symbol = ancestor.getFullyQualifiedName(); // If it does not start with an uppercase letter, it is probably because it is a property // lookup. if (CharMatcher.javaUpperCase().matches(symbol.charAt(0))) { addTypeFromDotDelimitedSequence(symbol, DependencyType.REQUIRED); } } return false; } /** * @param expr could be "Example", "Example.field", "com.example.Example". Note it could also * be a built-in type, such as "java.lang.Integer", in which case it will not be added to * the set of required symbols. */ private void addTypeFromDotDelimitedSequence(String expr, DependencyType dependencyType) { // At this point, symbol could be `System.out`. We want to reduce it to `System` and then // check it against JAVA_LANG_TYPES. if (startsWithUppercaseChar(expr)) { int index = expr.indexOf('.'); if (index >= 0) { String leftmostComponent = expr.substring(0, index); if (JAVA_LANG_TYPES.contains(leftmostComponent)) { return; } } } expr = qualifyWithPackageNameIfNecessary(expr); addSymbol(expr, dependencyType); } @Override public boolean visit(ImportDeclaration node) { String fullyQualifiedName = node.getName().getFullyQualifiedName(); // Apparently, "on demand" means "uses a wildcard," such as "import java.util.*". Although // we can choose to prohibit these in our own code, it is much harder to enforce for // third-party code. As such, we will tolerate these for some of the common cases. if (node.isOnDemand()) { ImmutableSet<String> value = SUPPORTED_WILDCARD_IMPORTS.get(fullyQualifiedName); if (value != null) { wildcardImports.put(fullyQualifiedName, value); return false; } else if (shouldThrowForUnsupportedWildcardImport) { throw new RuntimeException(String.format( "Use of wildcard 'import %s.*' makes it impossible to statically determine " + "required symbols in this file. Please enumerate explicit imports.", fullyQualifiedName)); } else { isPoisonedByUnsupportedWildcardImport.set(true); return false; } } // Only worry about the dependency on the enclosing type. Optional<String> simpleName = getSimpleNameFromFullyQualifiedName(fullyQualifiedName); if (simpleName.isPresent()) { String name = simpleName.get(); int index = fullyQualifiedName.indexOf("." + name); String enclosingType = fullyQualifiedName.substring(0, index + name.length() + 1); requiredSymbolsFromExplicitImports.add(enclosingType); simpleImportedTypes.put(name, enclosingType); } else { LOG.warn("Suspicious import lacks obvious enclosing type: %s", fullyQualifiedName); // The one example we have seen of this in the wild is // "org.whispersystems.curve25519.java.curve_sigs". In practice, we still need to add it // as a required symbol in this case. requiredSymbols.add(fullyQualifiedName); } return false; } @Override public boolean visit(MethodInvocation node) { if (node.getExpression() == null) { return true; } String receiver = node.getExpression().toString(); if (looksLikeAType(receiver)) { addTypeFromDotDelimitedSequence(receiver, DependencyType.REQUIRED); } return true; } /** An annotation on a member with zero arguments. */ @Override public boolean visit(MarkerAnnotation node) { DependencyType dependencyType = findDependencyTypeForAnnotation(node); addSimpleTypeName(node.getTypeName(), dependencyType); return true; } /** An annotation on a member with named arguments. */ @Override public boolean visit(NormalAnnotation node) { DependencyType dependencyType = findDependencyTypeForAnnotation(node); addSimpleTypeName(node.getTypeName(), dependencyType); return true; } /** An annotation on a member with a single, unnamed argument. */ @Override public boolean visit(SingleMemberAnnotation node) { DependencyType dependencyType = findDependencyTypeForAnnotation(node); addSimpleTypeName(node.getTypeName(), dependencyType); return true; } private DependencyType findDependencyTypeForAnnotation(Annotation annotation) { ASTNode parentNode = annotation.getParent(); if (parentNode == null) { return DependencyType.REQUIRED; } if (parentNode instanceof BodyDeclaration) { // Note that BodyDeclaration is an abstract class. Its subclasses are things like // FieldDeclaration and MethodDeclaration. We want to be sure that an annotation on any // non-private declaration is considered an exported symbol. BodyDeclaration declaration = (BodyDeclaration) parentNode; int modifiers = declaration.getModifiers(); if ((modifiers & Modifier.PRIVATE) == 0) { return DependencyType.EXPORTED; } } return DependencyType.REQUIRED; } @Override public boolean visit(SimpleType node) { // This method is responsible for finding the overwhelming majority of the required symbols // in the AST. tryAddType(node, DependencyType.REQUIRED); return true; } // exportedSymbols @Override public boolean visit(MethodDeclaration node) { // Types from private method signatures need not be exported. if ((node.getModifiers() & Modifier.PRIVATE) != 0) { return true; } Type returnType = node.getReturnType2(); if (returnType != null) { tryAddType(returnType, DependencyType.EXPORTED); } @SuppressWarnings("unchecked") List<SingleVariableDeclaration> params = node.parameters(); for (SingleVariableDeclaration decl : params) { tryAddType(decl.getType(), DependencyType.EXPORTED); } @SuppressWarnings("unchecked") List<Type> exceptions = node.thrownExceptionTypes(); for (Type exception : exceptions) { tryAddType(exception, DependencyType.EXPORTED); } return true; } @Override public boolean visit(FieldDeclaration node) { // Types from private fields need not be exported. if ((node.getModifiers() & Modifier.PRIVATE) == 0) { tryAddType(node.getType(), DependencyType.EXPORTED); } return true; } private void tryAddType(Type type, DependencyType dependencyType) { if (type.isSimpleType()) { SimpleType simpleType = (SimpleType) type; Name simpleTypeName = simpleType.getName(); String simpleName = simpleTypeName.toString(); // For a Type such as IExample<T>, both "IExample" and "T" will be submitted here as // simple types. As such, we use this imperfect heuristic to filter out "T" from being // added. Note that this will erroneously exclude "URI". In practice, this should // generally be OK. For example, assuming "URI" is also imported, then at least it will // end up in the set of required symbols. To this end, we perform a second check for // "all caps" types to see if there is a corresponding import and if it should be exported // rather than simply required. if (!CharMatcher.JAVA_UPPER_CASE.matchesAllOf(simpleName) || (dependencyType == DependencyType.EXPORTED && simpleImportedTypes.containsKey(simpleName))) { addSimpleTypeName(simpleTypeName, dependencyType); } } else if (type.isArrayType()) { ArrayType arrayType = (ArrayType) type; tryAddType(arrayType.getElementType(), dependencyType); } else if (type.isParameterizedType()) { ParameterizedType parameterizedType = (ParameterizedType) type; tryAddType(parameterizedType.getType(), dependencyType); @SuppressWarnings("unchecked") List<Type> argTypes = parameterizedType.typeArguments(); for (Type argType : argTypes) { tryAddType(argType, dependencyType); } } } private void addSimpleTypeName(Name simpleTypeName, DependencyType dependencyType) { String simpleName = simpleTypeName.toString(); if (JAVA_LANG_TYPES.contains(simpleName)) { return; } String fullyQualifiedNameForSimpleName = simpleImportedTypes.get(simpleName); if (fullyQualifiedNameForSimpleName != null) { // May need to promote from required to exported in this case. if (dependencyType == DependencyType.EXPORTED) { addSymbol(fullyQualifiedNameForSimpleName, DependencyType.EXPORTED); } return; } // For well-behaved source code, this will always be empty, so don't even bother to create // the iterator most of the time. if (!wildcardImports.isEmpty()) { for (Map.Entry<String, ImmutableSet<String>> entry : wildcardImports.entrySet()) { Set<String> types = entry.getValue(); if (types.contains(simpleName)) { String packageName = entry.getKey(); addSymbol(packageName + "." + simpleName, dependencyType); return; } } } String symbol = simpleTypeName.getFullyQualifiedName(); symbol = qualifyWithPackageNameIfNecessary(symbol); addSymbol(symbol, dependencyType); } private void addSymbol(String symbol, DependencyType dependencyType) { ((dependencyType == DependencyType.REQUIRED) ? requiredSymbols : exportedSymbols).add(symbol); } private String qualifyWithPackageNameIfNecessary(String symbol) { if (!startsWithUppercaseChar(symbol)) { return symbol; } // If the symbol starts with a capital letter, then we assume that it is a reference to // a type in the same package. int index = symbol.indexOf('.'); if (index >= 0) { symbol = symbol.substring(0, index); } if (packageName != null) { symbol = packageName + "." + symbol; } return symbol; } }); // TODO(bolinfest): Special treatment for exportedSymbols when poisoned by wildcard import. ImmutableSortedSet<String> totalExportedSymbols = exportedSymbols.build(); // If we were poisoned by an unsupported wildcard import, then we should rely exclusively on // the explicit imports to determine the required symbols. Set<String> totalRequiredSymbols = new HashSet<>(); if (isPoisonedByUnsupportedWildcardImport.get()) { totalRequiredSymbols.addAll(requiredSymbolsFromExplicitImports.build()); } else { totalRequiredSymbols.addAll(requiredSymbolsFromExplicitImports.build()); totalRequiredSymbols.addAll(requiredSymbols.build()); } // Make sure that required and exported symbols are disjoint sets. totalRequiredSymbols.removeAll(totalExportedSymbols); return new JavaFileFeatures(providedSymbols.build(), ImmutableSortedSet.copyOf(totalRequiredSymbols), totalExportedSymbols); }
From source file:com.google.javascript.jscomp.parsing.JsDocInfoParser.java
/** * The types in @template annotations must start with a capital letter, and contain * only letters, digits, and underscores. *///w ww . j av a 2 s .c o m private static boolean validTemplateTypeName(String name) { return !name.isEmpty() && CharMatcher.JAVA_UPPER_CASE.matches(name.charAt(0)) && CharMatcher.JAVA_LETTER_OR_DIGIT.or(CharMatcher.is('_')).matchesAllOf(name); }