Examples with ParseException com.github.antlrjavaparser.ParseException used on opensource projects

Example 1 with ParseException

use of com.github.antlrjavaparser.ParseException in project spring-roo by spring-projects.

the class JavaParserFieldMetadataBuilder method addField.

public static void addField(final CompilationUnitServices compilationUnitServices, final List<BodyDeclaration> members, final FieldMetadata field) {
    Validate.notNull(compilationUnitServices, "Flushable compilation unit services required");
    Validate.notNull(members, "Members required");
    Validate.notNull(field, "Field required");
    JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), field.getFieldType());
    final Type initType = JavaParserUtils.getResolvedName(compilationUnitServices.getEnclosingTypeName(), field.getFieldType(), compilationUnitServices);
    final ClassOrInterfaceType finalType = JavaParserUtils.getClassOrInterfaceType(initType);
    final FieldDeclaration newField = ASTHelper.createFieldDeclaration(JavaParserUtils.getJavaParserModifier(field.getModifier()), initType, field.getFieldName().getSymbolName());
    // Add parameterized types for the field type (not initializer)
    if (field.getFieldType().getParameters().size() > 0) {
        final List<Type> fieldTypeArgs = new ArrayList<Type>();
        finalType.setTypeArgs(fieldTypeArgs);
        for (final JavaType parameter : field.getFieldType().getParameters()) {
            fieldTypeArgs.add(JavaParserUtils.importParametersForType(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), parameter));
        }
    }
    final List<VariableDeclarator> vars = newField.getVariables();
    Validate.notEmpty(vars, "Expected ASTHelper to have provided a single VariableDeclarator");
    Validate.isTrue(vars.size() == 1, "Expected ASTHelper to have provided a single VariableDeclarator");
    final VariableDeclarator vd = vars.iterator().next();
    if (StringUtils.isNotBlank(field.getFieldInitializer())) {
        // There is an initializer.
        // We need to make a fake field that we can have JavaParser parse.
        // Easiest way to do that is to build a simple source class
        // containing the required field and re-parse it.
        final StringBuilder sb = new StringBuilder();
        sb.append("class TemporaryClass {\n");
        sb.append("  private " + field.getFieldType() + " " + field.getFieldName() + " = " + field.getFieldInitializer() + ";\n");
        sb.append("}\n");
        final ByteArrayInputStream bais = new ByteArrayInputStream(sb.toString().getBytes());
        CompilationUnit ci;
        try {
            ci = JavaParser.parse(bais);
        } catch (final IOException e) {
            throw new IllegalStateException("Illegal state: Unable to parse input stream", e);
        } catch (final ParseException pe) {
            throw new IllegalStateException("Illegal state: JavaParser did not parse correctly", pe);
        }
        final List<TypeDeclaration> types = ci.getTypes();
        if (types == null || types.size() != 1) {
            throw new IllegalArgumentException("Field member invalid");
        }
        final TypeDeclaration td = types.get(0);
        final List<BodyDeclaration> bodyDeclarations = td.getMembers();
        if (bodyDeclarations == null || bodyDeclarations.size() != 1) {
            throw new IllegalStateException("Illegal state: JavaParser did not return body declarations correctly");
        }
        final BodyDeclaration bd = bodyDeclarations.get(0);
        if (!(bd instanceof FieldDeclaration)) {
            throw new IllegalStateException("Illegal state: JavaParser did not return a field declaration correctly");
        }
        final FieldDeclaration fd = (FieldDeclaration) bd;
        if (fd.getVariables() == null || fd.getVariables().size() != 1) {
            throw new IllegalStateException("Illegal state: JavaParser did not return a field declaration correctly");
        }
        final Expression init = fd.getVariables().get(0).getInit();
        // Resolve imports (ROO-1505)
        if (init instanceof ObjectCreationExpr) {
            final ObjectCreationExpr ocr = (ObjectCreationExpr) init;
            final JavaType typeToImport = JavaParserUtils.getJavaTypeNow(compilationUnitServices, ocr.getType(), null);
            final NameExpr nameExpr = JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), typeToImport);
            final ClassOrInterfaceType classOrInterfaceType = JavaParserUtils.getClassOrInterfaceType(nameExpr);
            ocr.setType(classOrInterfaceType);
            if (typeToImport.getParameters().size() > 0) {
                final List<Type> initTypeArgs = new ArrayList<Type>();
                finalType.setTypeArgs(initTypeArgs);
                for (final JavaType parameter : typeToImport.getParameters()) {
                    initTypeArgs.add(JavaParserUtils.importParametersForType(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), parameter));
                }
                classOrInterfaceType.setTypeArgs(initTypeArgs);
            }
        }
        vd.setInit(init);
    }
    // Add annotations
    final List<AnnotationExpr> annotations = new ArrayList<AnnotationExpr>();
    newField.setAnnotations(annotations);
    for (final AnnotationMetadata annotation : field.getAnnotations()) {
        JavaParserAnnotationMetadataBuilder.addAnnotationToList(compilationUnitServices, annotations, annotation);
    }
    // ROO-3678: Add-on which include new field should be the responsible to check if field
    // exists, not JavaParser.
    /*// Locate where to add this field; also verify if this field already
    // exists
    int nextFieldIndex = 0;
    int i = -1;
    for (final BodyDeclaration bd : members) {
        i++;
        if (bd instanceof FieldDeclaration) {
            // Next field should appear after this current field
            nextFieldIndex = i + 1;
            final FieldDeclaration bdf = (FieldDeclaration) bd;
            for (final VariableDeclarator v : bdf.getVariables()) {
                Validate.isTrue(!field.getFieldName().getSymbolName()
                        .equals(v.getId().getName()),
                        "A field with name '%s' already exists", field
                                .getFieldName().getSymbolName());
            }
        }
    }*/
    int nextFieldIndex = 0;
    int i = -1;
    for (final BodyDeclaration bd : members) {
        i++;
        if (bd instanceof FieldDeclaration) {
            // Next field should appear after this current field
            nextFieldIndex = i + 1;
        }
    }
    if (field.getCommentStructure() != null) {
        // annotation
        if (annotations != null && annotations.size() > 0) {
            AnnotationExpr firstAnnotation = annotations.get(0);
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(firstAnnotation, field.getCommentStructure());
        // Otherwise, add comments to the field declaration line
        } else {
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(newField, field.getCommentStructure());
        }
    } else {
        // ROO-3834: Append default Javadoc if not exists a comment structure
        CommentStructure defaultCommentStructure = new CommentStructure();
        JavadocComment javadocComment = new JavadocComment("TODO Auto-generated attribute documentation");
        defaultCommentStructure.addComment(javadocComment, CommentLocation.BEGINNING);
        field.setCommentStructure(defaultCommentStructure);
        // annotation
        if (annotations != null && annotations.size() > 0) {
            AnnotationExpr firstAnnotation = annotations.get(0);
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(firstAnnotation, defaultCommentStructure);
        // Otherwise, add comments to the field declaration line
        } else {
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(newField, defaultCommentStructure);
        }
    }
    // Add the field to the compilation unit
    members.add(nextFieldIndex, newField);
}

Example 2 with ParseException

use of com.github.antlrjavaparser.ParseException in project spring-roo by spring-projects.

the class JavaParserMethodMetadataBuilder method addMethod.

public static void addMethod(final CompilationUnitServices compilationUnitServices, final List<BodyDeclaration> members, final MethodMetadata method, Set<JavaSymbolName> typeParameters) {
    Validate.notNull(compilationUnitServices, "Flushable compilation unit services required");
    Validate.notNull(members, "Members required");
    Validate.notNull(method, "Method required");
    if (typeParameters == null) {
        typeParameters = new HashSet<JavaSymbolName>();
    }
    // Create the return type we should use
    Type returnType = null;
    if (method.getReturnType().isPrimitive()) {
        returnType = JavaParserUtils.getType(method.getReturnType());
    } else {
        final NameExpr importedType = JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), method.getReturnType());
        final ClassOrInterfaceType cit = JavaParserUtils.getClassOrInterfaceType(importedType);
        // Add any type arguments presented for the return type
        if (method.getReturnType().getParameters().size() > 0) {
            final List<Type> typeArgs = new ArrayList<Type>();
            cit.setTypeArgs(typeArgs);
            for (final JavaType parameter : method.getReturnType().getParameters()) {
                typeArgs.add(JavaParserUtils.importParametersForType(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), parameter));
            }
        }
        // Handle arrays
        if (method.getReturnType().isArray()) {
            final ReferenceType rt = new ReferenceType();
            rt.setArrayCount(method.getReturnType().getArray());
            rt.setType(cit);
            returnType = rt;
        } else {
            returnType = cit;
        }
    }
    // Start with the basic method
    final MethodDeclaration d = new MethodDeclaration();
    d.setModifiers(JavaParserUtils.getJavaParserModifier(method.getModifier()));
    d.setName(method.getMethodName().getSymbolName());
    d.setType(returnType);
    // Add any method-level annotations (not parameter annotations)
    final List<AnnotationExpr> annotations = new ArrayList<AnnotationExpr>();
    d.setAnnotations(annotations);
    for (final AnnotationMetadata annotation : method.getAnnotations()) {
        JavaParserAnnotationMetadataBuilder.addAnnotationToList(compilationUnitServices, annotations, annotation);
    }
    // Add any method parameters, including their individual annotations and
    // type parameters
    final List<Parameter> parameters = new ArrayList<Parameter>();
    d.setParameters(parameters);
    int index = -1;
    for (final AnnotatedJavaType methodParameter : method.getParameterTypes()) {
        index++;
        // Add the parameter annotations applicable for this parameter type
        final List<AnnotationExpr> parameterAnnotations = new ArrayList<AnnotationExpr>();
        for (final AnnotationMetadata parameterAnnotation : methodParameter.getAnnotations()) {
            JavaParserAnnotationMetadataBuilder.addAnnotationToList(compilationUnitServices, parameterAnnotations, parameterAnnotation);
        }
        // Compute the parameter name
        final String parameterName = method.getParameterNames().get(index).getSymbolName();
        // Compute the parameter type
        Type parameterType = null;
        if (methodParameter.getJavaType().isPrimitive()) {
            parameterType = JavaParserUtils.getType(methodParameter.getJavaType());
        } else {
            final NameExpr type = JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), methodParameter.getJavaType());
            final ClassOrInterfaceType cit = JavaParserUtils.getClassOrInterfaceType(type);
            // Add any type arguments presented for the return type
            if (methodParameter.getJavaType().getParameters().size() > 0) {
                final List<Type> typeArgs = new ArrayList<Type>();
                cit.setTypeArgs(typeArgs);
                for (final JavaType parameter : methodParameter.getJavaType().getParameters()) {
                    typeArgs.add(JavaParserUtils.importParametersForType(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), parameter));
                }
            }
            // Handle arrays
            if (methodParameter.getJavaType().isArray()) {
                final ReferenceType rt = new ReferenceType();
                rt.setArrayCount(methodParameter.getJavaType().getArray());
                rt.setType(cit);
                parameterType = rt;
            } else {
                parameterType = cit;
            }
        }
        // Create a Java Parser method parameter and add it to the list of
        // parameters
        final Parameter p = new Parameter(parameterType, new VariableDeclaratorId(parameterName));
        p.setVarArgs(methodParameter.isVarArgs());
        p.setAnnotations(parameterAnnotations);
        parameters.add(p);
    }
    // Add exceptions which the method my throw
    if (method.getThrowsTypes().size() > 0) {
        final List<NameExpr> throwsTypes = new ArrayList<NameExpr>();
        for (final JavaType javaType : method.getThrowsTypes()) {
            final NameExpr importedType = JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), javaType);
            throwsTypes.add(importedType);
        }
        d.setThrows(throwsTypes);
    }
    // Set the body
    if (StringUtils.isBlank(method.getBody())) {
        // Never set the body if an abstract method
        if (!Modifier.isAbstract(method.getModifier()) && !PhysicalTypeCategory.INTERFACE.equals(compilationUnitServices.getPhysicalTypeCategory())) {
            d.setBody(new BlockStmt());
        }
    } else {
        // There is a body.
        // We need to make a fake method that we can have JavaParser parse.
        // Easiest way to do that is to build a simple source class
        // containing the required method and re-parse it.
        final StringBuilder sb = new StringBuilder();
        sb.append("class TemporaryClass {\n");
        sb.append("  public void temporaryMethod() {\n");
        sb.append(method.getBody());
        sb.append("\n");
        sb.append("  }\n");
        sb.append("}\n");
        final ByteArrayInputStream bais = new ByteArrayInputStream(sb.toString().getBytes());
        CompilationUnit ci;
        try {
            ci = JavaParser.parse(bais);
        } catch (final IOException e) {
            throw new IllegalStateException("Illegal state: Unable to parse input stream", e);
        } catch (final ParseException pe) {
            throw new IllegalStateException("Illegal state: JavaParser did not parse correctly", pe);
        }
        final List<TypeDeclaration> types = ci.getTypes();
        if (types == null || types.size() != 1) {
            throw new IllegalArgumentException("Method body invalid");
        }
        final TypeDeclaration td = types.get(0);
        final List<BodyDeclaration> bodyDeclarations = td.getMembers();
        if (bodyDeclarations == null || bodyDeclarations.size() != 1) {
            throw new IllegalStateException("Illegal state: JavaParser did not return body declarations correctly");
        }
        final BodyDeclaration bd = bodyDeclarations.get(0);
        if (!(bd instanceof MethodDeclaration)) {
            throw new IllegalStateException("Illegal state: JavaParser did not return a method declaration correctly");
        }
        final MethodDeclaration md = (MethodDeclaration) bd;
        d.setBody(md.getBody());
    }
    // ROO-3678: Add-on which include new method should be the responsible to check if method
    // exists, not JavaParser.
    /*// Locate where to add this method; also verify if this method already
    // exists
    for (final BodyDeclaration bd : members) {
        if (bd instanceof MethodDeclaration) {
            // Next method should appear after this current method
            final MethodDeclaration md = (MethodDeclaration) bd;
            /*if (md.getName().equals(d.getName())) {
                if ((md.getParameters() == null || md.getParameters()
                        .isEmpty())
                        && (d.getParameters() == null || d.getParameters()
                                .isEmpty())) {
                    throw new IllegalStateException("Method '"
                            + method.getMethodName().getSymbolName()
                            + "' already exists");
                }
                else if (md.getParameters() != null
                        && md.getParameters().size() == d.getParameters()
                                .size()) {
                    // Possible match, we need to consider parameter types
                    // as well now
                    final MethodMetadata methodMetadata = JavaParserMethodMetadataBuilder
                            .getInstance(method.getDeclaredByMetadataId(),
                                    md, compilationUnitServices,
                                    typeParameters).build();
                    boolean matchesFully = true;
                    index = -1;
                    for (final AnnotatedJavaType existingParameter : methodMetadata
                            .getParameterTypes()) {
                        index++;
                        final AnnotatedJavaType parameterType = method
                                .getParameterTypes().get(index);
                        if (!existingParameter.getJavaType().equals(
                                parameterType.getJavaType())) {
                            matchesFully = false;
                            break;
                        }
                    }
                    if (matchesFully) {
                        throw new IllegalStateException(
                                "Method '"
                                        + method.getMethodName()
                                                .getSymbolName()
                                        + "' already exists with identical parameters");
                    }
                }
            }
        }
    }*/
    // ROO-3834: Append Javadoc
    CommentStructure commentStructure = method.getCommentStructure();
    if (commentStructure != null) {
        // annotation
        if (annotations != null && annotations.size() > 0) {
            AnnotationExpr firstAnnotation = annotations.get(0);
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(firstAnnotation, commentStructure);
        // Otherwise, add comments to the method declaration line
        } else {
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(d, commentStructure);
        }
    } else {
        // ROO-3834: Include default documentation
        CommentStructure defaultCommentStructure = new CommentStructure();
        // ROO-3834: Append default Javadoc if not exists a comment structure,
        // including method params, return and throws.
        List<String> parameterNames = new ArrayList<String>();
        for (JavaSymbolName name : method.getParameterNames()) {
            parameterNames.add(name.getSymbolName());
        }
        List<String> throwsTypesNames = new ArrayList<String>();
        for (JavaType type : method.getThrowsTypes()) {
            throwsTypesNames.add(type.getSimpleTypeName());
        }
        String returnInfo = null;
        JavaType returnJavaType = method.getReturnType();
        if (!returnJavaType.equals(JavaType.VOID_OBJECT) && !returnJavaType.equals(JavaType.VOID_PRIMITIVE)) {
            returnInfo = returnJavaType.getSimpleTypeName();
        }
        JavadocComment javadocComment = new JavadocComment("TODO Auto-generated method documentation", parameterNames, returnInfo, throwsTypesNames);
        defaultCommentStructure.addComment(javadocComment, CommentLocation.BEGINNING);
        method.setCommentStructure(defaultCommentStructure);
        // annotation
        if (annotations != null && annotations.size() > 0) {
            AnnotationExpr firstAnnotation = annotations.get(0);
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(firstAnnotation, defaultCommentStructure);
        // Otherwise, add comments to the method declaration line
        } else {
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(d, defaultCommentStructure);
        }
    }
    // Add the method to the end of the compilation unit
    members.add(d);
}

Example 3 with ParseException

use of com.github.antlrjavaparser.ParseException in project spring-roo by spring-projects.

the class JavaParserTypeParsingService method updateAndGetCompilationUnitContents.

@Override
public String updateAndGetCompilationUnitContents(final String fileIdentifier, final ClassOrInterfaceTypeDetails cid) {
    // Validate parameters
    Validate.notBlank(fileIdentifier, "Oringinal unit path required");
    Validate.notNull(cid, "Type details required");
    // Load original compilation unit from file
    final File file = new File(fileIdentifier);
    String fileContents = "";
    try {
        fileContents = FileUtils.readFileToString(file);
    } catch (final IOException ignored) {
    }
    if (StringUtils.isBlank(fileContents)) {
        return getCompilationUnitContents(cid);
    }
    CompilationUnit compilationUnit;
    try {
        compilationUnit = JavaParser.parse(new ByteArrayInputStream(fileContents.getBytes()));
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    } catch (final ParseException e) {
        throw new IllegalStateException(e);
    }
    // Load new compilation unit from cid information
    final String cidContents = getCompilationUnitContents(cid);
    CompilationUnit cidCompilationUnit;
    try {
        cidCompilationUnit = JavaParser.parse(new ByteArrayInputStream(cidContents.getBytes()));
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    } catch (final ParseException e) {
        throw new IllegalStateException(e);
    }
    // Update package
    if (!compilationUnit.getPackage().getName().getName().equals(cidCompilationUnit.getPackage().getName().getName())) {
        compilationUnit.setPackage(cidCompilationUnit.getPackage());
    }
    // Update imports
    UpdateCompilationUnitUtils.updateCompilationUnitImports(compilationUnit, cidCompilationUnit);
    // Update types
    UpdateCompilationUnitUtils.updateCompilationUnitTypes(compilationUnit, cidCompilationUnit);
    // Return new contents
    return compilationUnit.toString();
}

Example 4 with ParseException

use of com.github.antlrjavaparser.ParseException in project spring-roo by spring-projects.

the class JavaParserConstructorMetadataBuilder method addConstructor.

// TODO: Should parse the throws types from JavaParser source
public static void addConstructor(final CompilationUnitServices compilationUnitServices, final List<BodyDeclaration> members, final ConstructorMetadata constructor, final Set<JavaSymbolName> typeParameters) {
    Validate.notNull(compilationUnitServices, "Compilation unit services required");
    Validate.notNull(members, "Members required");
    Validate.notNull(constructor, "Method required");
    // Start with the basic constructor
    final ConstructorDeclaration d = new ConstructorDeclaration();
    d.setModifiers(JavaParserUtils.getJavaParserModifier(constructor.getModifier()));
    d.setName(PhysicalTypeIdentifier.getJavaType(constructor.getDeclaredByMetadataId()).getSimpleTypeName());
    // Add any constructor-level annotations (not parameter annotations)
    final List<AnnotationExpr> annotations = new ArrayList<AnnotationExpr>();
    d.setAnnotations(annotations);
    for (final AnnotationMetadata annotation : constructor.getAnnotations()) {
        JavaParserAnnotationMetadataBuilder.addAnnotationToList(compilationUnitServices, annotations, annotation);
    }
    // Add any constructor parameters, including their individual
    // annotations and type parameters
    final List<Parameter> parameters = new ArrayList<Parameter>();
    d.setParameters(parameters);
    int index = -1;
    for (final AnnotatedJavaType constructorParameter : constructor.getParameterTypes()) {
        index++;
        // Add the parameter annotations applicable for this parameter type
        final List<AnnotationExpr> parameterAnnotations = new ArrayList<AnnotationExpr>();
        for (final AnnotationMetadata parameterAnnotation : constructorParameter.getAnnotations()) {
            JavaParserAnnotationMetadataBuilder.addAnnotationToList(compilationUnitServices, parameterAnnotations, parameterAnnotation);
        }
        // Compute the parameter name
        final String parameterName = constructor.getParameterNames().get(index).getSymbolName();
        // Compute the parameter type
        Type parameterType = null;
        if (constructorParameter.getJavaType().isPrimitive()) {
            parameterType = JavaParserUtils.getType(constructorParameter.getJavaType());
        } else {
            final Type finalType = JavaParserUtils.getResolvedName(constructorParameter.getJavaType(), constructorParameter.getJavaType(), compilationUnitServices);
            final ClassOrInterfaceType cit = JavaParserUtils.getClassOrInterfaceType(finalType);
            // Add any type arguments presented for the return type
            if (constructorParameter.getJavaType().getParameters().size() > 0) {
                final List<Type> typeArgs = new ArrayList<Type>();
                cit.setTypeArgs(typeArgs);
                for (final JavaType parameter : constructorParameter.getJavaType().getParameters()) {
                    // NameExpr importedParameterType =
                    // JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(),
                    // compilationUnitServices.getImports(), parameter);
                    // typeArgs.add(JavaParserUtils.getReferenceType(importedParameterType));
                    typeArgs.add(JavaParserUtils.importParametersForType(compilationUnitServices.getEnclosingTypeName(), compilationUnitServices.getImports(), parameter));
                }
            }
            parameterType = finalType;
        }
        // Create a Java Parser constructor parameter and add it to the list
        // of parameters
        final Parameter p = new Parameter(parameterType, new VariableDeclaratorId(parameterName));
        p.setAnnotations(parameterAnnotations);
        parameters.add(p);
    }
    // Set the body
    if (constructor.getBody() == null || constructor.getBody().length() == 0) {
        d.setBlock(new BlockStmt());
    } else {
        // There is a body.
        // We need to make a fake constructor that we can have JavaParser
        // parse.
        // Easiest way to do that is to build a simple source class
        // containing the required method and re-parse it.
        final StringBuilder sb = new StringBuilder();
        sb.append("class TemporaryClass {\n");
        sb.append("  TemporaryClass() {\n");
        sb.append(constructor.getBody());
        sb.append("\n");
        sb.append("  }\n");
        sb.append("}\n");
        final ByteArrayInputStream bais = new ByteArrayInputStream(sb.toString().getBytes());
        CompilationUnit ci;
        try {
            ci = JavaParser.parse(bais);
        } catch (final IOException e) {
            throw new IllegalStateException("Illegal state: Unable to parse input stream", e);
        } catch (final ParseException pe) {
            throw new IllegalStateException("Illegal state: JavaParser did not parse correctly", pe);
        }
        final List<TypeDeclaration> types = ci.getTypes();
        if (types == null || types.size() != 1) {
            throw new IllegalArgumentException("Method body invalid");
        }
        final TypeDeclaration td = types.get(0);
        final List<BodyDeclaration> bodyDeclarations = td.getMembers();
        if (bodyDeclarations == null || bodyDeclarations.size() != 1) {
            throw new IllegalStateException("Illegal state: JavaParser did not return body declarations correctly");
        }
        final BodyDeclaration bd = bodyDeclarations.get(0);
        if (!(bd instanceof ConstructorDeclaration)) {
            throw new IllegalStateException("Illegal state: JavaParser did not return a method declaration correctly");
        }
        final ConstructorDeclaration cd = (ConstructorDeclaration) bd;
        d.setBlock(cd.getBlock());
    }
    // already exists
    for (final BodyDeclaration bd : members) {
        if (bd instanceof ConstructorDeclaration) {
            // Next constructor should appear after this current constructor
            final ConstructorDeclaration cd = (ConstructorDeclaration) bd;
            if (cd.getParameters().size() == d.getParameters().size()) {
                // Possible match, we need to consider parameter types as
                // well now
                final ConstructorMetadata constructorMetadata = new JavaParserConstructorMetadataBuilder(constructor.getDeclaredByMetadataId(), cd, compilationUnitServices, typeParameters).build();
                boolean matchesFully = true;
                for (final AnnotatedJavaType existingParameter : constructorMetadata.getParameterTypes()) {
                    if (!existingParameter.getJavaType().equals(constructor.getParameterTypes().get(index))) {
                        matchesFully = false;
                        break;
                    }
                }
                if (matchesFully) {
                    throw new IllegalStateException("Constructor '" + constructor.getParameterNames() + "' already exists with identical parameters");
                }
            }
        }
    }
    // ROO-3834: Append Javadoc
    CommentStructure commentStructure = constructor.getCommentStructure();
    if (constructor.getCommentStructure() != null) {
        // annotation
        if (annotations != null && annotations.size() > 0) {
            AnnotationExpr firstAnnotation = annotations.get(0);
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(firstAnnotation, commentStructure);
        // Otherwise, add comments to the field declaration line
        } else {
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(d, commentStructure);
        }
    } else {
        // ROO-3834: Append default Javadoc if not exists a comment structure,
        // including constructor params
        CommentStructure defaultCommentStructure = new CommentStructure();
        List<String> parameterNames = new ArrayList<String>();
        for (JavaSymbolName name : constructor.getParameterNames()) {
            parameterNames.add(name.getSymbolName());
        }
        JavadocComment javadocComment = new JavadocComment("TODO Auto-generated constructor documentation", parameterNames, null, null);
        defaultCommentStructure.addComment(javadocComment, CommentLocation.BEGINNING);
        constructor.setCommentStructure(defaultCommentStructure);
        // annotation
        if (annotations != null && annotations.size() > 0) {
            AnnotationExpr firstAnnotation = annotations.get(0);
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(firstAnnotation, defaultCommentStructure);
        // Otherwise, add comments to the constructor declaration line
        } else {
            JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(d, defaultCommentStructure);
        }
    }
    // Add the constructor to the end of the compilation unit
    members.add(d);
}

Example 5 with ParseException

use of com.github.antlrjavaparser.ParseException in project spring-roo by spring-projects.

the class JavaParserTypeParsingService method getTypeFromString.

@Override
public ClassOrInterfaceTypeDetails getTypeFromString(final String fileContents, final String declaredByMetadataId, final JavaType typeName) {
    if (StringUtils.isBlank(fileContents)) {
        return null;
    }
    Validate.notBlank(declaredByMetadataId, "Declaring metadata ID required");
    Validate.notNull(typeName, "Java type to locate required");
    try {
        final CompilationUnit compilationUnit = JavaParser.parse(new ByteArrayInputStream(fileContents.getBytes()));
        final TypeDeclaration typeDeclaration = JavaParserUtils.locateTypeDeclaration(compilationUnit, typeName);
        if (typeDeclaration == null) {
            return null;
        }
        return JavaParserClassOrInterfaceTypeDetailsBuilder.getInstance(compilationUnit, null, typeDeclaration, declaredByMetadataId, typeName, metadataService, typeLocationService).build();
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    } catch (final ParseException e) {
        throw new IllegalStateException("Failed to parse " + typeName + " : " + e.getMessage());
    }
}