Example usage for org.eclipse.jdt.core Flags isPrivate

List of usage examples for org.eclipse.jdt.core Flags isPrivate

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Introduction

In this page you can find the example usage for org.eclipse.jdt.core Flags isPrivate.

Prototype

public static boolean isPrivate(int flags)

Source Link

Document

Returns whether the given integer includes the private modifier.

Usage

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

License:Open Source License

/**
 * Evaluates if a member in the focus' element hierarchy is visible from
 * elements in a package./*  ww w  .j av  a  2s . c o  m*/
 * @param member The member to test the visibility for
 * @param pack The package of the focus element focus
 * @return returns <code>true</code> if the member is visible from the package
 * @throws JavaModelException thrown when the member can not be accessed
 */
public static boolean isVisibleInHierarchy(IMember member, IPackageFragment pack) throws JavaModelException {
    int type = member.getElementType();
    if (type == IJavaElement.INITIALIZER
            || (type == IJavaElement.METHOD && member.getElementName().startsWith("<"))) { //$NON-NLS-1$
        return false;
    }

    int otherflags = member.getFlags();

    IType declaringType = member.getDeclaringType();
    if (Flags.isPublic(otherflags) || Flags.isProtected(otherflags)
            || (declaringType != null && isInterfaceOrAnnotation(declaringType))) {
        return true;
    } else if (Flags.isPrivate(otherflags)) {
        return false;
    }

    IPackageFragment otherpack = (IPackageFragment) member.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
    return (pack != null && pack.equals(otherpack));
}

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

License:Open Source License

public static boolean isPrivate(IMember member) throws JavaModelException {
    return Flags.isPrivate(member.getFlags());
}

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

License:Open Source License

/**
 * Finds the method that is overridden by the given method.
 * First the super class is examined and then the implemented interfaces.
 * @param overriding the overriding method
 * @param testVisibility If true the result is tested on visibility. Null is returned if the method is not visible.
 * @return a method that is directly overridden by the given method, or <code>null</code>
 * @throws JavaModelException if a problem occurs
 *///from   w ww  .j  a  v a  2s  .c om
public IMethod findOverriddenMethod(IMethod overriding, boolean testVisibility) throws JavaModelException {
    int flags = overriding.getFlags();
    if (Flags.isPrivate(flags) || Flags.isStatic(flags) || overriding.isConstructor()) {
        return null;
    }

    IType type = overriding.getDeclaringType();
    IType superClass = fHierarchy.getSuperclass(type);
    if (superClass != null) {
        IMethod res = findOverriddenMethodInHierarchy(superClass, overriding);
        if (res != null) {
            if (!testVisibility || JavaModelUtil.isVisibleInHierarchy(res, type.getPackageFragment())) {
                return res;
            }
        }
    }
    IType[] interfaces = fHierarchy.getSuperInterfaces(type);
    for (int i = 0; i < interfaces.length; i++) {
        IMethod res = findOverriddenMethodInHierarchy(interfaces[i], overriding);
        if (res != null) {
            return res; // methods from interfaces are always public and therefore visible
        }
    }
    return null;
}

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

License:Open Source License

/**
 * Finds an overridden method in a type. With generics it is possible that 2 methods in the same type are overridden at the same time.
 * In that case the first overridden method found is returned.
 * @param overriddenType The type to find methods in
 * @param overriding The overriding method
 * @return The first overridden method or <code>null</code> if no method is overridden
 * @throws JavaModelException if a problem occurs
 *//*w  ww. j  a v  a2s .c  o m*/
public IMethod findOverriddenMethodInType(IType overriddenType, IMethod overriding) throws JavaModelException {
    int flags = overriding.getFlags();
    if (Flags.isPrivate(flags) || Flags.isStatic(flags) || overriding.isConstructor())
        return null;
    IMethod[] overriddenMethods = overriddenType.getMethods();
    for (int i = 0; i < overriddenMethods.length; i++) {
        IMethod overridden = overriddenMethods[i];
        flags = overridden.getFlags();
        if (Flags.isPrivate(flags) || Flags.isStatic(flags) || overridden.isConstructor())
            continue;
        if (isSubsignature(overriding, overridden)) {
            return overridden;
        }
    }
    return null;
}

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

License:Open Source License

/**
 * Finds an overriding method in a type.
 * @param overridingType The type to find methods in
 * @param overridden The overridden method
 * @return The overriding method or <code>null</code> if no method is overriding.
 * @throws JavaModelException if a problem occurs
 *///w  w  w.j  a va 2 s . c o m
public IMethod findOverridingMethodInType(IType overridingType, IMethod overridden) throws JavaModelException {
    int flags = overridden.getFlags();
    if (Flags.isPrivate(flags) || Flags.isStatic(flags) || overridden.isConstructor())
        return null;
    IMethod[] overridingMethods = overridingType.getMethods();
    for (int i = 0; i < overridingMethods.length; i++) {
        IMethod overriding = overridingMethods[i];
        flags = overriding.getFlags();
        if (Flags.isPrivate(flags) || Flags.isStatic(flags) || overriding.isConstructor())
            continue;
        if (isSubsignature(overriding, overridden)) {
            return overriding;
        }
    }
    return null;
}

From source file:ca.ecliptical.pde.ds.search.DescriptorQueryParticipant.java

License:Open Source License

private IMethod findActivateMethod(IType implClassType, String name, IProgressMonitor monitor)
        throws JavaModelException {
    IMethod candidate = null;/*from w w  w  .  j  a  v  a 2s.c  om*/
    int priority = Integer.MAX_VALUE;

    IType type = implClassType;
    while (type != null) {
        for (IMethod method : type.getMethods()) {
            if (!name.equals(method.getElementName()))
                continue;

            if (!VOID_SIG.equals(method.getReturnType()))
                continue;

            if (type != implClassType && (Flags.isPrivate(method.getFlags())
                    || (Flags.isPackageDefault(method.getFlags()) && !implClassType.getPackageFragment()
                            .equals(method.getDeclaringType().getPackageFragment()))))
                continue;

            String[] paramSigs = resolveParameterTypes(method, Integer.MAX_VALUE);

            if (paramSigs.length == 1 && COMPONENT_CONTEXT_SIG.equals(paramSigs[0])) {
                // best match
                return method;
            }

            if (priority > 1 && paramSigs.length == 1 && COMPONENT_CONTEXT_SIG.equals(paramSigs[0])) {
                candidate = method;
                priority = 1;
                continue;
            }

            if (priority > 2 && paramSigs.length == 1 && MAP_SIG.equals(paramSigs[0])) {
                candidate = method;
                priority = 2;
                continue;
            }

            if (priority > 3 && paramSigs.length >= 2) {
                boolean valid = true;
                for (String paramSig : paramSigs) {
                    if (!COMPONENT_CONTEXT_SIG.equals(paramSig) && !BUNDLE_CONTEXT_SIG.equals(paramSig)
                            && !MAP_SIG.equals(paramSig)) {
                        valid = false;
                        break;
                    }
                }

                if (valid) {
                    candidate = method;
                    priority = 3;
                }

                continue;
            }

            if (priority > 4 && paramSigs.length == 0) {
                candidate = method;
                priority = 4;
                continue;
            }
        }

        type = findSuperclassType(type, implClassType.getJavaProject(), monitor);
    }

    return candidate;
}

From source file:ca.ecliptical.pde.ds.search.DescriptorQueryParticipant.java

License:Open Source License

private IMethod findDeactivateMethod(IType implClassType, String name, IProgressMonitor monitor)
        throws JavaModelException {
    IMethod candidate = null;/*from   www  .  j  a  v a  2s . c o m*/
    int priority = Integer.MAX_VALUE;

    IType type = implClassType;
    while (type != null) {
        for (IMethod method : type.getMethods()) {
            if (!name.equals(method.getElementName()))
                continue;

            if (!VOID_SIG.equals(method.getReturnType()))
                continue;

            if (type != implClassType && (Flags.isPrivate(method.getFlags())
                    || (Flags.isPackageDefault(method.getFlags()) && !implClassType.getPackageFragment()
                            .equals(method.getDeclaringType().getPackageFragment()))))
                continue;

            String[] paramSigs = resolveParameterTypes(method, Integer.MAX_VALUE);

            if (paramSigs.length == 1 && COMPONENT_CONTEXT_SIG.equals(paramSigs[0])) {
                // best match
                return method;
            }

            if (priority > 1 && paramSigs.length == 1 && COMPONENT_CONTEXT_SIG.equals(paramSigs[0])) {
                candidate = method;
                priority = 1;
                continue;
            }

            if (priority > 2 && paramSigs.length == 1 && MAP_SIG.equals(paramSigs[0])) {
                candidate = method;
                priority = 2;
                continue;
            }

            if (priority > 3 && paramSigs.length == 1 && INT_SIG.equals(paramSigs[0])) {
                candidate = method;
                priority = 3;
                continue;
            }

            if (priority > 4 && paramSigs.length == 1 && INTEGER_SIG.equals(paramSigs[0])) {
                candidate = method;
                priority = 4;
                continue;
            }

            if (priority > 5 && paramSigs.length >= 2) {
                boolean valid = true;
                for (String paramSig : paramSigs) {
                    if (!COMPONENT_CONTEXT_SIG.equals(paramSig) && !BUNDLE_CONTEXT_SIG.equals(paramSig)
                            && !MAP_SIG.equals(paramSig) && !INT_SIG.equals(paramSig)
                            && !INTEGER_SIG.equals(paramSig)) {
                        valid = false;
                        break;
                    }
                }

                if (valid) {
                    candidate = method;
                    priority = 5;
                }

                continue;
            }

            if (priority > 6 && paramSigs.length == 0) {
                candidate = method;
                priority = 6;
                continue;
            }
        }

        type = findSuperclassType(type, implClassType.getJavaProject(), monitor);
    }

    return candidate;
}

From source file:ca.ecliptical.pde.ds.search.DescriptorQueryParticipant.java

License:Open Source License

private IMethod findBindMethod(IType implClassType, String name, String referenceTypeName,
        IProgressMonitor monitor) throws JavaModelException {
    IMethod candidate = null;//from w  w w.  j a  v a 2 s  .  co  m
    int priority = Integer.MAX_VALUE;

    String referenceTypeSig = Signature.createTypeSignature(referenceTypeName, true);
    IType referenceType = null;
    IType arg0Type = null;

    IType type = implClassType;
    while (type != null) {
        for (IMethod method : type.getMethods()) {
            if (!name.equals(method.getElementName()))
                continue;

            if (!VOID_SIG.equals(method.getReturnType()))
                continue;

            if (type != implClassType && (Flags.isPrivate(method.getFlags())
                    || (Flags.isPackageDefault(method.getFlags()) && !implClassType.getPackageFragment()
                            .equals(method.getDeclaringType().getPackageFragment()))))
                continue;

            String[] paramSigs = resolveParameterTypes(method, 2);

            if (paramSigs.length == 1 && SERVICE_REFERENCE_SIG.equals(paramSigs[0])) {
                // best match
                return method;
            }

            if (priority > 1 && paramSigs.length == 1 && referenceTypeSig.equals(paramSigs[0])) {
                candidate = method;
                priority = 1;
                continue;
            }

            if (priority > 2 && paramSigs.length == 1) {
                if (referenceType == null)
                    referenceType = implClassType.getJavaProject().findType(referenceTypeName, monitor);

                if (arg0Type == null)
                    arg0Type = implClassType.getJavaProject().findType(Signature.toString(paramSigs[0]),
                            monitor);

                if (isAssignableFrom(arg0Type, referenceType, monitor)) {
                    candidate = method;
                    priority = 2;
                }

                continue;
            }

            if (priority > 3 && paramSigs.length == 2 && referenceTypeSig.equals(paramSigs[0])
                    && MAP_SIG.equals(paramSigs[1])) {
                candidate = method;
                priority = 3;
                continue;
            }

            if (priority > 4 && paramSigs.length == 2 && MAP_SIG.equals(paramSigs[1])) {
                if (referenceType == null)
                    referenceType = implClassType.getJavaProject().findType(referenceTypeName, monitor);

                if (arg0Type == null)
                    arg0Type = implClassType.getJavaProject().findType(Signature.toString(paramSigs[0]),
                            monitor);

                if (isAssignableFrom(arg0Type, referenceType, monitor)) {
                    candidate = method;
                    priority = 4;
                }

                continue;
            }
        }

        type = findSuperclassType(type, implClassType.getJavaProject(), monitor);
    }

    return candidate;
}

From source file:ca.ecliptical.pde.ds.search.DescriptorQueryParticipant.java

License:Open Source License

private IMethod findUpdatedMethod(IType implClassType, String name, IProgressMonitor monitor)
        throws JavaModelException {
    IMethod candidate = null;//from  w w w .j  ava  2 s .  c  o m

    IType type = implClassType;
    while (type != null) {
        for (IMethod method : type.getMethods()) {
            if (!name.equals(method.getElementName()))
                continue;

            if (!VOID_SIG.equals(method.getReturnType()))
                continue;

            if (type != implClassType && (Flags.isPrivate(method.getFlags())
                    || (Flags.isPackageDefault(method.getFlags()) && !implClassType.getPackageFragment()
                            .equals(method.getDeclaringType().getPackageFragment()))))
                continue;

            String[] paramSigs = resolveParameterTypes(method, 1);

            if (paramSigs.length != 1)
                continue;

            if (SERVICE_REFERENCE_SIG.equals(paramSigs[0])) {
                // best match
                return method;
            }

            if (candidate == null && MAP_SIG.equals(paramSigs[0])) {
                candidate = method;
            }
        }

        type = findSuperclassType(type, implClassType.getJavaProject(), monitor);
    }

    return candidate;
}

From source file:ca.uvic.chisel.diver.sequencediagrams.sc.java.editors.JavaSequenceLabelProvider.java

License:Open Source License

public Color getBackground(Object element) {
    if (element instanceof IAdaptable) {
        IJavaElement javaElement = (IJavaElement) ((IAdaptable) element).getAdapter(IJavaElement.class);
        if (javaElement instanceof IMember) {
            try {
                int flags = ((IMember) javaElement).getFlags();
                if (Flags.isAbstract(flags) || Flags.isInterface(flags)) {
                    return Display.getCurrent().getSystemColor(SWT.COLOR_GRAY);
                }/* w w  w  .ja  v  a2  s.  c o m*/
                if (javaElement instanceof IMethod) {
                    if (Flags.isPrivate(flags)) {
                        return ISketchColorConstants.PRIVATE_BG;
                    } else if (Flags.isProtected(flags)) {
                        return ISketchColorConstants.PROTECTED_BG;
                    } else if (Flags.isPackageDefault(flags)) {
                        return ISketchColorConstants.LIGHT_BLUE;
                    } else if (Flags.isPublic(flags)) {
                        return ISketchColorConstants.PUBLIC_BG;
                    }
                }
            } catch (JavaModelException e) {
                //just return null
            }
        } else if (javaElement instanceof IPackageFragment) {
            return ISketchColorConstants.PRIVATE_BG;
        }
    }
    return null;
}