Example usage for org.eclipse.jdt.core ITypeParameter getElementName

List of usage examples for org.eclipse.jdt.core ITypeParameter getElementName

Introduction

In this page you can find the example usage for org.eclipse.jdt.core ITypeParameter getElementName.

Prototype

String getElementName();

Source Link

Document

Returns the name of this element.

Usage

From source file:at.bestsolution.fxide.jdt.corext.util.MethodOverrideTester.java

License:Open Source License

private Substitutions getMethodSubstitions(IMethod method) throws JavaModelException {
    if (fMethodSubstitutions == null) {
        fMethodSubstitutions = new LRUMap<>(3);
    }//from ww  w. j  a  v a  2 s .c o m

    Substitutions s = fMethodSubstitutions.get(method);
    if (s == null) {
        ITypeParameter[] typeParameters = method.getTypeParameters();
        if (typeParameters.length == 0) {
            s = Substitutions.EMPTY_SUBST;
        } else {
            IType instantiatedType = method.getDeclaringType();
            s = new Substitutions();
            for (int i = 0; i < typeParameters.length; i++) {
                ITypeParameter curr = typeParameters[i];
                s.addSubstitution(curr.getElementName(), '+' + String.valueOf(i),
                        getTypeParameterErasure(curr, instantiatedType));
            }
        }
        fMethodSubstitutions.put(method, s);
    }
    return s;
}

From source file:at.bestsolution.fxide.jdt.corext.util.MethodOverrideTester.java

License:Open Source License

private void computeSubstitutions(IType instantiatedType, IType instantiatingType, String[] typeArguments)
        throws JavaModelException {
    Substitutions s = new Substitutions();
    fTypeVariableSubstitutions.put(instantiatedType, s);

    ITypeParameter[] typeParameters = instantiatedType.getTypeParameters();

    if (instantiatingType == null) { // the focus type
        for (int i = 0; i < typeParameters.length; i++) {
            ITypeParameter curr = typeParameters[i];
            // use star to make type variables different from type refs
            s.addSubstitution(curr.getElementName(), '*' + curr.getElementName(),
                    getTypeParameterErasure(curr, instantiatedType));
        }// w  w w.j av a 2 s. c  om
    } else {
        if (typeParameters.length == typeArguments.length) {
            for (int i = 0; i < typeParameters.length; i++) {
                ITypeParameter curr = typeParameters[i];
                String substString = getSubstitutedTypeName(typeArguments[i], instantiatingType); // substitute in the context of the instantiatingType
                String erasure = getErasedTypeName(typeArguments[i], instantiatingType); // get the erasure from the type argument
                s.addSubstitution(curr.getElementName(), substString, erasure);
            }
        } else if (typeArguments.length == 0) { // raw type reference
            for (int i = 0; i < typeParameters.length; i++) {
                ITypeParameter curr = typeParameters[i];
                String erasure = getTypeParameterErasure(curr, instantiatedType);
                s.addSubstitution(curr.getElementName(), erasure, erasure);
            }
        } else {
            // code with errors
        }
    }
    String superclassTypeSignature = instantiatedType.getSuperclassTypeSignature();
    if (superclassTypeSignature != null) {
        String[] superTypeArguments = Signature.getTypeArguments(superclassTypeSignature);
        IType superclass = fHierarchy.getSuperclass(instantiatedType);
        if (superclass != null && !fTypeVariableSubstitutions.containsKey(superclass)) {
            computeSubstitutions(superclass, instantiatedType, superTypeArguments);
        }
    }
    String[] superInterfacesTypeSignature;
    if (instantiatedType.isAnonymous()) {
        // special case: superinterface is also returned by IType#getSuperclassTypeSignature()
        superInterfacesTypeSignature = new String[] { superclassTypeSignature };
    } else {
        superInterfacesTypeSignature = instantiatedType.getSuperInterfaceTypeSignatures();
    }
    int nInterfaces = superInterfacesTypeSignature.length;
    if (nInterfaces > 0) {
        IType[] superInterfaces = fHierarchy.getSuperInterfaces(instantiatedType);
        if (superInterfaces.length == nInterfaces) {
            for (int i = 0; i < nInterfaces; i++) {
                String[] superTypeArguments = Signature.getTypeArguments(superInterfacesTypeSignature[i]);
                IType superInterface = superInterfaces[i];
                if (!fTypeVariableSubstitutions.containsKey(superInterface)) {
                    computeSubstitutions(superInterface, instantiatedType, superTypeArguments);
                }
            }
        }
    }
}

From source file:at.bestsolution.fxide.jdt.text.javadoc.JavadocContentAccess2.java

License:Open Source License

private List<String> initTypeParameterNames() {
    if (fMethod != null) {
        try {/*from w ww .  j av a2s .  c  o  m*/
            ArrayList<String> typeParameterNames = new ArrayList<>();
            for (ITypeParameter typeParameter : fMethod.getTypeParameters()) {
                typeParameterNames.add(typeParameter.getElementName());
            }
            return typeParameterNames;
        } catch (JavaModelException e) {
            //TODO
            e.printStackTrace();
        }
    }
    return Collections.emptyList();
}

From source file:at.bestsolution.fxide.jdt.text.javadoc.JavadocContentAccess2.java

License:Open Source License

/**
 * Handle {&#64;inheritDoc}.//from  w w w  . ja va2s  .co m
 *
 * @param node the node
 * @return <code>true</code> iff the node was an {&#64;inheritDoc} node and has been handled
 */
private boolean handleInheritDoc(TagElement node) {
    if (!TagElement.TAG_INHERITDOC.equals(node.getTagName()))
        return false;
    try {
        if (fMethod == null)
            return false;

        TagElement blockTag = (TagElement) node.getParent();
        String blockTagName = blockTag.getTagName();

        if (blockTagName == null) {
            CharSequence inherited = fJavadocLookup.getInheritedMainDescription(fMethod);
            return handleInherited(inherited);

        } else if (TagElement.TAG_PARAM.equals(blockTagName)) {
            List<? extends ASTNode> fragments = blockTag.fragments();
            int size = fragments.size();
            if (size > 0) {
                Object first = fragments.get(0);
                if (first instanceof SimpleName) {
                    String name = ((SimpleName) first).getIdentifier();
                    String[] parameterNames = fMethod.getParameterNames();
                    for (int i = 0; i < parameterNames.length; i++) {
                        if (name.equals(parameterNames[i])) {
                            CharSequence inherited = fJavadocLookup.getInheritedParamDescription(fMethod, i);
                            return handleInherited(inherited);
                        }
                    }
                } else if (size > 2 && first instanceof TextElement) {
                    String firstText = ((TextElement) first).getText();
                    if ("<".equals(firstText)) { //$NON-NLS-1$
                        Object second = fragments.get(1);
                        Object third = fragments.get(2);
                        if (second instanceof SimpleName && third instanceof TextElement) {
                            String thirdText = ((TextElement) third).getText();
                            if (">".equals(thirdText)) { //$NON-NLS-1$
                                String name = ((SimpleName) second).getIdentifier();
                                ITypeParameter[] typeParameters = fMethod.getTypeParameters();
                                for (int i = 0; i < typeParameters.length; i++) {
                                    ITypeParameter typeParameter = typeParameters[i];
                                    if (name.equals(typeParameter.getElementName())) {
                                        CharSequence inherited = fJavadocLookup
                                                .getInheritedTypeParamDescription(fMethod, i);
                                        return handleInherited(inherited);
                                    }
                                }
                            }
                        }
                    }
                }
            }

        } else if (TagElement.TAG_RETURN.equals(blockTagName)) {
            CharSequence inherited = fJavadocLookup.getInheritedReturnDescription(fMethod);
            return handleInherited(inherited);

        } else if (TagElement.TAG_THROWS.equals(blockTagName)
                || TagElement.TAG_EXCEPTION.equals(blockTagName)) {
            List<? extends ASTNode> fragments = blockTag.fragments();
            if (fragments.size() > 0) {
                Object first = fragments.get(0);
                if (first instanceof Name) {
                    String name = ASTNodes.getSimpleNameIdentifier((Name) first);
                    CharSequence inherited = fJavadocLookup.getInheritedExceptionDescription(fMethod, name);
                    return handleInherited(inherited);
                }
            }
        }
    } catch (JavaModelException e) {
        //TODO
        e.printStackTrace();
    }
    return false;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.BinaryTypeConverter.java

License:Open Source License

private AbstractMethodDeclaration convert(IMethod method, IType type) throws JavaModelException {

    AbstractMethodDeclaration methodDeclaration;

    org.eclipse.jdt.internal.compiler.ast.TypeParameter[] typeParams = null;

    // convert 1.5 specific constructs only if compliance is 1.5 or above
    if (this.has1_5Compliance) {
        /* convert type parameters */
        ITypeParameter[] typeParameters = method.getTypeParameters();
        if (typeParameters != null && typeParameters.length > 0) {
            int parameterCount = typeParameters.length;
            typeParams = new org.eclipse.jdt.internal.compiler.ast.TypeParameter[parameterCount];
            for (int i = 0; i < parameterCount; i++) {
                ITypeParameter typeParameter = typeParameters[i];
                typeParams[i] = createTypeParameter(typeParameter.getElementName().toCharArray(),
                        stringArrayToCharArray(typeParameter.getBounds()), 0, 0);
            }/*ww  w  . j  av  a 2  s .c  o  m*/
        }
    }

    if (method.isConstructor()) {
        ConstructorDeclaration decl = new ConstructorDeclaration(this.compilationResult);
        decl.bits &= ~ASTNode.IsDefaultConstructor;
        decl.typeParameters = typeParams;
        methodDeclaration = decl;
    } else {
        MethodDeclaration decl = type.isAnnotation() ? new AnnotationMethodDeclaration(this.compilationResult)
                : new MethodDeclaration(this.compilationResult);
        /* convert return type */
        TypeReference typeReference = createTypeReference(method.getReturnType());
        if (typeReference == null)
            return null;
        decl.returnType = typeReference;
        decl.typeParameters = typeParams;
        methodDeclaration = decl;
    }
    methodDeclaration.selector = method.getElementName().toCharArray();
    int flags = method.getFlags();
    boolean isVarargs = Flags.isVarargs(flags);
    methodDeclaration.modifiers = flags & ~Flags.AccVarargs;

    /* convert arguments */
    String[] argumentTypeNames = method.getParameterTypes();
    String[] argumentNames = method.getParameterNames();
    int argumentCount = argumentTypeNames == null ? 0 : argumentTypeNames.length;
    // Ignore synthetic arguments (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=212224)
    int startIndex = (method.isConstructor() && type.isMember() && !Flags.isStatic(type.getFlags())) ? 1 : 0;
    argumentCount -= startIndex;
    methodDeclaration.arguments = new Argument[argumentCount];
    for (int i = 0; i < argumentCount; i++) {
        String argumentTypeName = argumentTypeNames[startIndex + i];
        TypeReference typeReference = createTypeReference(argumentTypeName);
        if (typeReference == null)
            return null;
        if (isVarargs && i == argumentCount - 1) {
            typeReference.bits |= ASTNode.IsVarArgs;
        }
        methodDeclaration.arguments[i] = new Argument(argumentNames[i].toCharArray(), 0, typeReference,
                ClassFileConstants.AccDefault);
        // do not care whether was final or not
    }

    /* convert thrown exceptions */
    String[] exceptionTypeNames = method.getExceptionTypes();
    int exceptionCount = exceptionTypeNames == null ? 0 : exceptionTypeNames.length;
    if (exceptionCount > 0) {
        methodDeclaration.thrownExceptions = new TypeReference[exceptionCount];
        for (int i = 0; i < exceptionCount; i++) {
            TypeReference typeReference = createTypeReference(exceptionTypeNames[i]);
            if (typeReference == null)
                return null;
            methodDeclaration.thrownExceptions[i] = typeReference;
        }
    }
    return methodDeclaration;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.BinaryTypeConverter.java

License:Open Source License

private TypeDeclaration convert(IType type, IType alreadyComputedMember,
        TypeDeclaration alreadyComputedMemberDeclaration) throws JavaModelException {
    /* create type declaration - can be member type */
    TypeDeclaration typeDeclaration = new TypeDeclaration(this.compilationResult);

    if (type.getDeclaringType() != null) {
        typeDeclaration.bits |= ASTNode.IsMemberType;
    }//from  w w  w .  ja  v  a  2  s  .  co  m
    typeDeclaration.name = type.getElementName().toCharArray();
    typeDeclaration.modifiers = type.getFlags();

    /* set superclass and superinterfaces */
    if (type.getSuperclassName() != null) {
        TypeReference typeReference = createTypeReference(type.getSuperclassTypeSignature());
        if (typeReference != null) {
            typeDeclaration.superclass = typeReference;
            typeDeclaration.superclass.bits |= ASTNode.IsSuperType;
        }
    }

    String[] interfaceTypes = type.getSuperInterfaceTypeSignatures();
    int interfaceCount = interfaceTypes == null ? 0 : interfaceTypes.length;
    typeDeclaration.superInterfaces = new TypeReference[interfaceCount];
    int count = 0;
    for (int i = 0; i < interfaceCount; i++) {
        TypeReference typeReference = createTypeReference(interfaceTypes[i]);
        if (typeReference != null) {
            typeDeclaration.superInterfaces[count] = typeReference;
            typeDeclaration.superInterfaces[count++].bits |= ASTNode.IsSuperType;
        }
    }
    if (count != interfaceCount) {
        System.arraycopy(typeDeclaration.fields, 0,
                typeDeclaration.superInterfaces = new TypeReference[interfaceCount], 0, interfaceCount);
    }

    // convert 1.5 specific constructs only if compliance is 1.5 or above
    if (this.has1_5Compliance) {

        /* convert type parameters */
        ITypeParameter[] typeParameters = type.getTypeParameters();
        if (typeParameters != null && typeParameters.length > 0) {
            int parameterCount = typeParameters.length;
            org.eclipse.jdt.internal.compiler.ast.TypeParameter[] typeParams = new org.eclipse.jdt.internal.compiler.ast.TypeParameter[parameterCount];
            for (int i = 0; i < parameterCount; i++) {
                ITypeParameter typeParameter = typeParameters[i];
                typeParams[i] = createTypeParameter(typeParameter.getElementName().toCharArray(),
                        stringArrayToCharArray(typeParameter.getBounds()), 0, 0);
            }

            typeDeclaration.typeParameters = typeParams;
        }
    }

    /* convert member types */
    IType[] memberTypes = type.getTypes();
    int memberTypeCount = memberTypes == null ? 0 : memberTypes.length;
    typeDeclaration.memberTypes = new TypeDeclaration[memberTypeCount];
    for (int i = 0; i < memberTypeCount; i++) {
        if (alreadyComputedMember != null && alreadyComputedMember.getFullyQualifiedName()
                .equals(memberTypes[i].getFullyQualifiedName())) {
            typeDeclaration.memberTypes[i] = alreadyComputedMemberDeclaration;
        } else {
            typeDeclaration.memberTypes[i] = convert(memberTypes[i], null, null);
        }
        typeDeclaration.memberTypes[i].enclosingType = typeDeclaration;
    }

    /* convert fields */
    IField[] fields = type.getFields();
    int fieldCount = fields == null ? 0 : fields.length;
    typeDeclaration.fields = new FieldDeclaration[fieldCount];
    count = 0;
    for (int i = 0; i < fieldCount; i++) {
        FieldDeclaration fieldDeclaration = convert(fields[i], type);
        if (fieldDeclaration != null) {
            typeDeclaration.fields[count++] = fieldDeclaration;
        }
    }
    if (count != fieldCount) {
        System.arraycopy(typeDeclaration.fields, 0, typeDeclaration.fields = new FieldDeclaration[count], 0,
                count);
    }

    /* convert methods - need to add default constructor if necessary */
    IMethod[] methods = type.getMethods();
    int methodCount = methods == null ? 0 : methods.length;

    /* source type has a constructor ?           */
    /* by default, we assume that one is needed. */
    int neededCount = 1;
    for (int i = 0; i < methodCount; i++) {
        if (methods[i].isConstructor()) {
            neededCount = 0;
            // Does not need the extra constructor since one constructor already exists.
            break;
        }
    }
    boolean isInterface = type.isInterface();
    neededCount = isInterface ? 0 : neededCount;
    typeDeclaration.methods = new AbstractMethodDeclaration[methodCount + neededCount];
    if (neededCount != 0) { // add default constructor in first position
        typeDeclaration.methods[0] = typeDeclaration.createDefaultConstructor(false, false);
    }
    boolean hasAbstractMethods = false;
    count = 0;
    for (int i = 0; i < methodCount; i++) {
        AbstractMethodDeclaration method = convert(methods[i], type);
        if (method != null) {
            boolean isAbstract;
            if ((isAbstract = method.isAbstract()) || isInterface) { // fix-up flag
                method.modifiers |= ExtraCompilerModifiers.AccSemicolonBody;
            }
            if (isAbstract) {
                hasAbstractMethods = true;
            }
            typeDeclaration.methods[neededCount + (count++)] = method;
        }
    }
    if (count != methodCount) {
        System.arraycopy(typeDeclaration.methods, 0,
                typeDeclaration.methods = new AbstractMethodDeclaration[count + neededCount], 0,
                count + neededCount);
    }
    if (hasAbstractMethods) {
        typeDeclaration.bits |= ASTNode.HasAbstractMethods;
    }
    return typeDeclaration;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.NamedMember.java

License:Open Source License

private void appendTypeParameters(StringBuffer buffer) throws JavaModelException {
    ITypeParameter[] typeParameters = getTypeParameters();
    int length = typeParameters.length;
    if (length == 0)
        return;//from  w  w  w  . j a  v a  2 s  .  c o  m
    buffer.append('<');
    for (int i = 0; i < length; i++) {
        ITypeParameter typeParameter = typeParameters[i];
        buffer.append(typeParameter.getElementName());
        String[] bounds = typeParameter.getBounds();
        int boundsLength = bounds.length;
        if (boundsLength > 0) {
            buffer.append(" extends "); //$NON-NLS-1$
            for (int j = 0; j < boundsLength; j++) {
                buffer.append(bounds[j]);
                if (j < boundsLength - 1)
                    buffer.append(" & "); //$NON-NLS-1$
            }
        }
        if (i < length - 1)
            buffer.append(", "); //$NON-NLS-1$
    }
    buffer.append('>');
}

From source file:com.codenvy.ide.ext.java.server.internal.core.NamedMember.java

License:Open Source License

protected String getKey(IMethod method, boolean forceOpen) throws JavaModelException {
    StringBuffer key = new StringBuffer();

    // declaring class
    String declaringKey = getKey((IType) method.getParent(), forceOpen);
    key.append(declaringKey);//from w w  w. j a v  a2  s.co m

    // selector
    key.append('.');
    String selector = method.getElementName();
    key.append(selector);

    // type parameters
    if (forceOpen) {
        ITypeParameter[] typeParameters = method.getTypeParameters();
        int length = typeParameters.length;
        if (length > 0) {
            key.append('<');
            for (int i = 0; i < length; i++) {
                ITypeParameter typeParameter = typeParameters[i];
                String[] bounds = typeParameter.getBounds();
                int boundsLength = bounds.length;
                char[][] boundSignatures = new char[boundsLength][];
                for (int j = 0; j < boundsLength; j++) {
                    boundSignatures[j] = Signature.createCharArrayTypeSignature(bounds[j].toCharArray(),
                            method.isBinary());
                    CharOperation.replace(boundSignatures[j], '.', '/');
                }
                char[] sig = Signature.createTypeParameterSignature(
                        typeParameter.getElementName().toCharArray(), boundSignatures);
                key.append(sig);
            }
            key.append('>');
        }
    }

    // parameters
    key.append('(');
    String[] parameters = method.getParameterTypes();
    for (int i = 0, length = parameters.length; i < length; i++)
        key.append(parameters[i].replace('.', '/'));
    key.append(')');

    // return type
    if (forceOpen)
        key.append(method.getReturnType().replace('.', '/'));
    else
        key.append('V');

    return key.toString();
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.TypeParameterPattern.java

License:Open Source License

/**
 * @param findDeclarations//from w w w .  ja  v a  2s . c o  m
 * @param findReferences
 * @param typeParameter
 * @param matchRule
 */
public TypeParameterPattern(boolean findDeclarations, boolean findReferences, ITypeParameter typeParameter,
        int matchRule) {
    super(TYPE_PARAM_PATTERN, matchRule);

    this.findDeclarations = findDeclarations; // set to find declarations & all occurences
    this.findReferences = findReferences; // set to find references & all occurences
    this.typeParameter = typeParameter;
    this.name = typeParameter.getElementName().toCharArray(); // store type parameter name
    IMember member = typeParameter.getDeclaringMember();
    this.declaringMemberName = member.getElementName().toCharArray(); // store type parameter declaring member name

    // For method type parameter, store also declaring class name and parameters type names
    if (member instanceof IMethod) {
        IMethod method = (IMethod) member;
        this.methodDeclaringClassName = method.getParent().getElementName().toCharArray();
        String[] parameters = method.getParameterTypes();
        int length = parameters.length;
        this.methodArgumentTypes = new char[length][];
        for (int i = 0; i < length; i++) {
            this.methodArgumentTypes[i] = Signature.toCharArray(parameters[i].toCharArray());
        }
    }
}

From source file:com.github.ajaxsys.jdtx.utils.JDTUtils.java

License:Open Source License

public static Collection<String> getTypeParameterNames(IType type)
        throws IllegalArgumentException, JavaModelException {
    if (type == null) {
        throw new IllegalArgumentException("type == null");
    }//from ww  w  .j a v  a  2 s.c o m
    ITypeParameter[] tp = type.getTypeParameters();
    Collection<String> typeParameterNames = new ArrayList<String>();
    for (ITypeParameter p : tp) {
        typeParameterNames.add(p.getElementName());
    }
    return typeParameterNames;
}