Example usage for org.eclipse.jdt.internal.compiler.classfmt ClassFileReader getName

List of usage examples for org.eclipse.jdt.internal.compiler.classfmt ClassFileReader getName

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.classfmt ClassFileReader getName.

Prototype

@Override
    public char[] getName() 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.search.indexing.BinaryIndexer.java

License:Open Source License

public void indexDocument() {
    try {//from   w  w  w  . j  a v a 2 s  .  co m
        final byte[] contents = this.document.getByteContents();
        // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=107124
        // contents can potentially be null if a IOException occurs while retrieving the contents
        if (contents == null)
            return;
        final String path = this.document.getPath();
        ClassFileReader reader = new ClassFileReader(contents, path == null ? null : path.toCharArray());

        // first add type references
        char[] className = replace('/', '.', reader.getName()); // looks like java/lang/String
        // need to extract the package name and the simple name
        int packageNameIndex = CharOperation.lastIndexOf('.', className);
        char[] packageName = null;
        char[] name = null;
        if (packageNameIndex >= 0) {
            packageName = CharOperation.subarray(className, 0, packageNameIndex);
            name = CharOperation.subarray(className, packageNameIndex + 1, className.length);
        } else {
            packageName = CharOperation.NO_CHAR;
            name = className;
        }
        char[] enclosingTypeName = null;
        boolean isNestedType = reader.isNestedType();
        if (isNestedType) {
            if (reader.isAnonymous()) {
                name = CharOperation.NO_CHAR;
            } else {
                name = reader.getInnerSourceName();
            }
            if (reader.isLocal() || reader.isAnonymous()) {
                // set specific ['0'] value for local and anonymous to be able to filter them
                enclosingTypeName = ONE_ZERO;
            } else {
                char[] fullEnclosingName = reader.getEnclosingTypeName();
                int nameLength = fullEnclosingName.length - packageNameIndex - 1;
                if (nameLength <= 0) {
                    // See PR 1GIR345: ITPJCORE:ALL - Indexer: NegativeArraySizeException
                    return;
                }
                enclosingTypeName = new char[nameLength];
                System.arraycopy(fullEnclosingName, packageNameIndex + 1, enclosingTypeName, 0, nameLength);
            }
        }
        // type parameters
        char[][] typeParameterSignatures = null;
        char[] genericSignature = reader.getGenericSignature();
        if (genericSignature != null) {
            CharOperation.replace(genericSignature, '/', '.');
            typeParameterSignatures = Signature.getTypeParameters(genericSignature);
        }

        // eliminate invalid innerclasses (1G4KCF7)
        if (name == null)
            return;

        char[][] superinterfaces = replace('/', '.', reader.getInterfaceNames());
        char[][] enclosingTypeNames = enclosingTypeName == null ? null : new char[][] { enclosingTypeName };
        int modifiers = reader.getModifiers();
        switch (TypeDeclaration.kind(modifiers)) {
        case TypeDeclaration.CLASS_DECL:
            char[] superclass = replace('/', '.', reader.getSuperclassName());
            addClassDeclaration(modifiers, packageName, name, enclosingTypeNames, superclass, superinterfaces,
                    typeParameterSignatures, false);
            break;
        case TypeDeclaration.INTERFACE_DECL:
            addInterfaceDeclaration(modifiers, packageName, name, enclosingTypeNames, superinterfaces,
                    typeParameterSignatures, false);
            break;
        case TypeDeclaration.ENUM_DECL:
            superclass = replace('/', '.', reader.getSuperclassName());
            addEnumDeclaration(modifiers, packageName, name, enclosingTypeNames, superclass, superinterfaces,
                    false);
            break;
        case TypeDeclaration.ANNOTATION_TYPE_DECL:
            addAnnotationTypeDeclaration(modifiers, packageName, name, enclosingTypeNames, false);
            break;
        }

        // Look for references in class annotations
        IBinaryAnnotation[] annotations = reader.getAnnotations();
        if (annotations != null) {
            for (int a = 0, length = annotations.length; a < length; a++) {
                IBinaryAnnotation annotation = annotations[a];
                addBinaryAnnotation(annotation);
            }
        }
        long tagBits = reader.getTagBits() & TagBits.AllStandardAnnotationsMask;
        if (tagBits != 0) {
            addBinaryStandardAnnotations(tagBits);
        }

        int extraFlags = ExtraFlags.getExtraFlags(reader);

        // first reference all methods declarations and field declarations
        MethodInfo[] methods = (MethodInfo[]) reader.getMethods();
        boolean noConstructor = true;
        if (methods != null) {
            for (int i = 0, max = methods.length; i < max; i++) {
                MethodInfo method = methods[i];
                boolean isConstructor = method.isConstructor();
                char[] descriptor = method.getMethodDescriptor();
                char[][] parameterTypes = decodeParameterTypes(descriptor, isConstructor && isNestedType);
                char[] returnType = decodeReturnType(descriptor);
                char[][] exceptionTypes = replace('/', '.', method.getExceptionTypeNames());
                if (isConstructor) {
                    noConstructor = false;
                    char[] signature = method.getGenericSignature();
                    if (signature == null) {
                        if (reader.isNestedType() && ((modifiers & ClassFileConstants.AccStatic) == 0)) {
                            signature = removeFirstSyntheticParameter(descriptor);
                        } else {
                            signature = descriptor;
                        }
                    }
                    addConstructorDeclaration(name, parameterTypes == null ? 0 : parameterTypes.length,
                            signature, parameterTypes, method.getArgumentNames(), method.getModifiers(),
                            packageName, modifiers, exceptionTypes, extraFlags);
                } else {
                    if (!method.isClinit()) {
                        addMethodDeclaration(method.getSelector(), parameterTypes, returnType, exceptionTypes);
                    }
                }
                // look for references in method annotations
                annotations = method.getAnnotations();
                if (annotations != null) {
                    for (int a = 0, length = annotations.length; a < length; a++) {
                        IBinaryAnnotation annotation = annotations[a];
                        addBinaryAnnotation(annotation);
                    }
                }
                tagBits = method.getTagBits() & TagBits.AllStandardAnnotationsMask;
                if (tagBits != 0) {
                    addBinaryStandardAnnotations(tagBits);
                }
            }
        }
        if (noConstructor) {
            addDefaultConstructorDeclaration(className, packageName, modifiers, extraFlags);
        }
        FieldInfo[] fields = (FieldInfo[]) reader.getFields();
        if (fields != null) {
            for (int i = 0, max = fields.length; i < max; i++) {
                FieldInfo field = fields[i];
                char[] fieldName = field.getName();
                char[] fieldType = decodeFieldType(replace('/', '.', field.getTypeName()));
                addFieldDeclaration(fieldType, fieldName);
                // look for references in field annotations
                annotations = field.getAnnotations();
                if (annotations != null) {
                    for (int a = 0, length = annotations.length; a < length; a++) {
                        IBinaryAnnotation annotation = annotations[a];
                        addBinaryAnnotation(annotation);
                    }
                }
                tagBits = field.getTagBits() & TagBits.AllStandardAnnotationsMask;
                if (tagBits != 0) {
                    addBinaryStandardAnnotations(tagBits);
                }
            }
        }
        // record all references found inside the .class file
        extractReferenceFromConstantPool(contents, reader);
    } catch (ClassFormatException e) {
        // ignore
        this.document.removeAllIndexEntries();
        Util.log(IStatus.WARNING, "The Java indexing could not index " + this.document.getPath()
                + ". This .class file doesn't follow the class file format specification. Please report this issue against the .class file vendor"); //$NON-NLS-1$ //$NON-NLS-2$
    } catch (RuntimeException e) {
        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=182154
        // logging the entry that could not be indexed and continue with the next one
        // we remove all entries relative to the boggus document
        this.document.removeAllIndexEntries();
        Util.log(IStatus.WARNING, "The Java indexing could not index " + this.document.getPath()
                + ". This .class file doesn't follow the class file format specification. Please report this issue against the .class file vendor"); //$NON-NLS-1$ //$NON-NLS-2$
    }
}

From source file:org.eclipse.che.jdt.internal.core.search.indexing.BinaryIndexer.java

License:Open Source License

public void indexDocument() {
    try {/*from w  w  w .j  a  v a  2s.  c  o m*/
        final byte[] contents = this.document.getByteContents();
        // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=107124
        // contents can potentially be null if a IOException occurs while retrieving the contents
        if (contents == null)
            return;
        final String path = this.document.getPath();
        ClassFileReader reader = new ClassFileReader(contents, path == null ? null : path.toCharArray());

        // first add type references
        char[] className = replace('/', '.', reader.getName()); // looks like java/lang/String
        // need to extract the package name and the simple name
        int packageNameIndex = CharOperation.lastIndexOf('.', className);
        char[] packageName = null;
        char[] name = null;
        if (packageNameIndex >= 0) {
            packageName = CharOperation.subarray(className, 0, packageNameIndex);
            name = CharOperation.subarray(className, packageNameIndex + 1, className.length);
        } else {
            packageName = CharOperation.NO_CHAR;
            name = className;
        }
        char[] enclosingTypeName = null;
        boolean isNestedType = reader.isNestedType();
        if (isNestedType) {
            if (reader.isAnonymous()) {
                name = CharOperation.NO_CHAR;
            } else {
                name = reader.getInnerSourceName();
            }
            if (reader.isLocal() || reader.isAnonymous()) {
                // set specific ['0'] value for local and anonymous to be able to filter them
                enclosingTypeName = ONE_ZERO;
            } else {
                char[] fullEnclosingName = reader.getEnclosingTypeName();
                int nameLength = fullEnclosingName.length - packageNameIndex - 1;
                if (nameLength <= 0) {
                    // See PR 1GIR345: ITPJCORE:ALL - Indexer: NegativeArraySizeException
                    return;
                }
                enclosingTypeName = new char[nameLength];
                System.arraycopy(fullEnclosingName, packageNameIndex + 1, enclosingTypeName, 0, nameLength);
            }
        }
        // type parameters
        char[][] typeParameterSignatures = null;
        char[] genericSignature = reader.getGenericSignature();
        if (genericSignature != null) {
            CharOperation.replace(genericSignature, '/', '.');
            typeParameterSignatures = Signature.getTypeParameters(genericSignature);
        }

        // eliminate invalid innerclasses (1G4KCF7)
        if (name == null)
            return;

        char[][] superinterfaces = replace('/', '.', reader.getInterfaceNames());
        char[][] enclosingTypeNames = enclosingTypeName == null ? null : new char[][] { enclosingTypeName };
        int modifiers = reader.getModifiers();
        switch (TypeDeclaration.kind(modifiers)) {
        case TypeDeclaration.CLASS_DECL:
            char[] superclass = replace('/', '.', reader.getSuperclassName());
            addClassDeclaration(modifiers, packageName, name, enclosingTypeNames, superclass, superinterfaces,
                    typeParameterSignatures, false);
            break;
        case TypeDeclaration.INTERFACE_DECL:
            addInterfaceDeclaration(modifiers, packageName, name, enclosingTypeNames, superinterfaces,
                    typeParameterSignatures, false);
            break;
        case TypeDeclaration.ENUM_DECL:
            superclass = replace('/', '.', reader.getSuperclassName());
            addEnumDeclaration(modifiers, packageName, name, enclosingTypeNames, superclass, superinterfaces,
                    false);
            break;
        case TypeDeclaration.ANNOTATION_TYPE_DECL:
            addAnnotationTypeDeclaration(modifiers, packageName, name, enclosingTypeNames, false);
            break;
        }

        // Look for references in class annotations
        IBinaryAnnotation[] annotations = reader.getAnnotations();
        if (annotations != null) {
            for (int a = 0, length = annotations.length; a < length; a++) {
                IBinaryAnnotation annotation = annotations[a];
                addBinaryAnnotation(annotation);
            }
        }
        long tagBits = reader.getTagBits() & TagBits.AllStandardAnnotationsMask;
        if (tagBits != 0) {
            addBinaryStandardAnnotations(tagBits);
        }

        int extraFlags = ExtraFlags.getExtraFlags(reader);

        // first reference all methods declarations and field declarations
        MethodInfo[] methods = (MethodInfo[]) reader.getMethods();
        boolean noConstructor = true;
        if (methods != null) {
            for (int i = 0, max = methods.length; i < max; i++) {
                MethodInfo method = methods[i];
                boolean isConstructor = method.isConstructor();
                char[] descriptor = method.getMethodDescriptor();
                char[][] parameterTypes = decodeParameterTypes(descriptor, isConstructor && isNestedType);
                char[] returnType = decodeReturnType(descriptor);
                char[][] exceptionTypes = replace('/', '.', method.getExceptionTypeNames());
                if (isConstructor) {
                    noConstructor = false;
                    char[] signature = method.getGenericSignature();
                    if (signature == null) {
                        if (reader.isNestedType() && ((modifiers & ClassFileConstants.AccStatic) == 0)) {
                            signature = removeFirstSyntheticParameter(descriptor);
                        } else {
                            signature = descriptor;
                        }
                    }
                    addConstructorDeclaration(name, parameterTypes == null ? 0 : parameterTypes.length,
                            signature, parameterTypes, method.getArgumentNames(), method.getModifiers(),
                            packageName, modifiers, exceptionTypes, extraFlags);
                } else {
                    if (!method.isClinit()) {
                        addMethodDeclaration(method.getSelector(), parameterTypes, returnType, exceptionTypes);
                    }
                }
                // look for references in method annotations
                annotations = method.getAnnotations();
                if (annotations != null) {
                    for (int a = 0, length = annotations.length; a < length; a++) {
                        IBinaryAnnotation annotation = annotations[a];
                        addBinaryAnnotation(annotation);
                    }
                }
                tagBits = method.getTagBits() & TagBits.AllStandardAnnotationsMask;
                if (tagBits != 0) {
                    addBinaryStandardAnnotations(tagBits);
                }
            }
        }
        if (noConstructor) {
            addDefaultConstructorDeclaration(className, packageName, modifiers, extraFlags);
        }
        FieldInfo[] fields = (FieldInfo[]) reader.getFields();
        if (fields != null) {
            for (int i = 0, max = fields.length; i < max; i++) {
                FieldInfo field = fields[i];
                char[] fieldName = field.getName();
                char[] fieldType = decodeFieldType(replace('/', '.', field.getTypeName()));
                addFieldDeclaration(fieldType, fieldName);
                // look for references in field annotations
                annotations = field.getAnnotations();
                if (annotations != null) {
                    for (int a = 0, length = annotations.length; a < length; a++) {
                        IBinaryAnnotation annotation = annotations[a];
                        addBinaryAnnotation(annotation);
                    }
                }
                tagBits = field.getTagBits() & TagBits.AllStandardAnnotationsMask;
                if (tagBits != 0) {
                    addBinaryStandardAnnotations(tagBits);
                }
            }
        }
        // record all references found inside the .class file
        extractReferenceFromConstantPool(contents, reader);
    } catch (ClassFormatException e) {
        // ignore
        this.document.removeAllIndexEntries();
        Util.log(IStatus.WARNING, "The Java indexing could not index " + this.document.getPath()
                + ". This .class file doesn't follow the class file format specification. Please report this issue "
                + "against the .class file vendor"); //$NON-NLS-1$ //$NON-NLS-2$
    } catch (RuntimeException e) {
        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=182154
        // logging the entry that could not be indexed and continue with the next one
        // we remove all entries relative to the boggus document
        this.document.removeAllIndexEntries();
        Util.log(IStatus.WARNING, "The Java indexing could not index " + this.document.getPath()
                + ". This .class file doesn't follow the class file format specification. Please report this issue "
                + "again" + "st the .class file vendor"); //$NON-NLS-2$ //$NON-NLS-2$
    }
}

From source file:org.springframework.ide.eclipse.core.java.typehierarchy.ClassloaderTypeHierarchyClassReader.java

License:Open Source License

public TypeHierarchyElement readTypeHierarchyInformation(char[] fullyQualifiedClassName, IProject project) {
    try {/*from   w w  w  . jav a 2 s .  c  o m*/
        ClassLoader classLoader = JdtUtils.getClassLoader(project, null);
        String classFileName = new String(fullyQualifiedClassName) + ".class";
        InputStream stream = classLoader.getResourceAsStream(classFileName);
        if (stream != null) {
            ClassFileReader classReader = ClassFileReader.read(stream, classFileName);
            if (classReader != null) {
                return new TypeHierarchyElement(classReader.getName(), classReader.getSuperclassName(),
                        classReader.getInterfaceNames());
            }
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (ClassFormatException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:org.springframework.ide.eclipse.core.java.TypeStructure.java

License:Open Source License

public TypeStructure(ClassFileReader cfr) {
    //It shouldn't really matter what arguments we provide to the constructor
    // since this class implements all the methods, except for getTypeAnnotations,
    // which just returns 'null'. So all that really matters is we pass in 
    // something that doesn't make the super constructor crash. We will nevertheless
    // try our best to pass in sensible values.
    super(cfr.getModifiers(), computeQualification(cfr), cfr.getSourceName(), cfr.getEnclosingTypeName(),
            (char[][]) null, '?' //?? appears not used in super class, so not sure what its for
    );/*www.  ja  va  2s.  co  m*/

    this.enclosingTypeName = cfr.getEnclosingTypeName();
    this.isLocal = cfr.isLocal();
    this.isAnonymous = cfr.isAnonymous();
    this.isMember = cfr.isMember();
    this.sourceFileName = cfr.sourceFileName();
    this.fileName = cfr.getFileName();
    this.tagBits = cfr.getTagBits();
    this.isBinaryType = cfr.isBinaryType();
    this.binFields = cfr.getFields();
    if (binFields == null)
        binFields = NoField;
    this.binMethods = cfr.getMethods();
    if (binMethods == null)
        binMethods = NoMethod;
    this.memberTypes = cfr.getMemberTypes();
    this.annotations = cfr.getAnnotations();
    this.sourceName = cfr.getSourceName();
    this.className = cfr.getName(); // slashes...
    this.modifiers = cfr.getModifiers();
    this.genericSignature = cfr.getGenericSignature();
    // if (this.genericSignature.length == 0) {
    // this.genericSignature = null;
    // }
    this.superclassName = cfr.getSuperclassName(); // slashes...
    interfaces = cfr.getInterfaceNames();

}

From source file:org.springframework.ide.eclipse.core.java.TypeStructure.java

License:Open Source License

private static char[] computeQualification(ClassFileReader cfr) {
    String qualifiedName = new String(cfr.getName());
    int pos = qualifiedName.lastIndexOf('/');
    if (pos == -1) {
        return null;
    } else {//www  .  j a va  2 s. c o m
        return qualifiedName.substring(pos + 1).toCharArray();
    }
}

From source file:org.springframework.ide.eclipse.core.java.TypeStructureCache.java

License:Open Source License

/**
 * Record {@link TypeStructure} instances of the given <code>resources</code>.
 *//* w w w.  j a va2  s.c o  m*/
public void recordTypeStructures(IProject project, IResource... resources) {
    try {
        w.lock();
        Map<String, TypeStructure> typeStructures = null;
        if (!typeStructuresByProject.containsKey(project)) {
            typeStructures = new ConcurrentHashMap<String, TypeStructure>();
            typeStructuresByProject.put(project, typeStructures);
        } else {
            typeStructures = typeStructuresByProject.get(project);
        }

        for (IResource resource : resources) {
            if (resource.getFileExtension().equals("class") && resource instanceof IFile) {
                InputStream input = null;
                try {
                    input = ((IFile) resource).getContents();
                    ClassFileReader reader = ClassFileReader.read(input, resource.getName());
                    TypeStructure typeStructure = new TypeStructure(reader);
                    typeStructures.put(new String(reader.getName()).replace('/', '.'), typeStructure);
                } catch (CoreException e) {
                } catch (ClassFormatException e) {
                } catch (IOException e) {
                } finally {
                    if (input != null) {
                        try {
                            input.close();
                        } catch (IOException e) {
                        }
                    }
                }
            }
        }
    } finally {
        w.unlock();
    }
}