Example usage for org.eclipse.jdt.core.util IMethodInfo getAccessFlags

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.util IMethodInfo getAccessFlags.

Prototype

int getAccessFlags();

Source Link

Document

Answer back the access flags of this method info as specified in the JVM specifications.

Usage

From source file:org.eclipse.pde.tools.internal.versioning.JavaClassVersionCompare.java

License:Open Source License

/**
 * compares two IMethodInfo instances to find any change from <code>method2</code> to <code>method1</code>
 * /*  w w w  .ja  v a 2 s .c o m*/
 * @param className name of class to which <code>method1</code>(and <code>method2</code>) belongs 
 * @param method1 IMethodInfo instance
 * @param method2 IMethodInfo instance
 */
private void compareMethodInfos(String className, IMethodInfo method1, IMethodInfo method2) {
    // compare AccessFlags (AccessFlags defines the modifiers of a method (e.g. public static final compareTo())
    int accessFlag1 = method1.getAccessFlags();
    int accessFlag2 = method2.getAccessFlags();
    // we just care about field who was public or protected
    if (!(Flags.isPublic(accessFlag2) || Flags.isProtected(accessFlag2)))
        return;
    if (isModifierNarrowed(accessFlag1, accessFlag2)) {
        // get what modifiers have been changed
        int change = accessFlag1 ^ accessFlag2;
        // if the visibility of a method has been narrowed, it is a change should be caught 
        Object[] msg = { METHOD_TITLE, getSignatureString(method1),
                createChangedModifierString(accessFlag2, change),
                createChangedModifierString(accessFlag1, change), className };
        finalResult.merge(resultStatusHandler(IStatus.INFO,
                IVersionCompare.CLASS_DETAIL_STATUS | IVersionCompare.MAJOR_CHANGE,
                NLS.bind(Messages.JavaClassVersionCompare_ModifierChangedMsg, msg), null));
    }
    // compare isDeprecated(if a method has been deprecated)
    if (method1.isDeprecated() && !method2.isDeprecated()) {
        Object[] msg = { METHOD_TITLE, getSignatureString(method1), className };
        finalResult.merge(resultStatusHandler(IStatus.INFO,
                IVersionCompare.CLASS_DETAIL_STATUS | IVersionCompare.MICRO_CHANGE,
                NLS.bind(Messages.JavaClassVersionCompare_deprecatedChangedMsg, msg), null));
    }
    // compare exceptions
    IExceptionAttribute exceptionAtrributes1 = method1.getExceptionAttribute();
    IExceptionAttribute exceptionAtrributes2 = method2.getExceptionAttribute();
    checkExceptions(className, getSignatureString(method1), exceptionAtrributes1, exceptionAtrributes2);
}

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From source file:org.eclipse.pde.tools.internal.versioning.JavaClassVersionCompare.java

License:Open Source License

/**
 * converts the given object signature to a readable string
 * @param object IFieldInfo instance of IMethodInfo instance
 * @return String type signature/*from   w  w w. j  a  v a2s . c  o m*/
 */
private String getSignatureString(Object object) {
    StringBuffer buffer = new StringBuffer();
    if (object instanceof IMethodInfo) {
        IMethodInfo method = (IMethodInfo) object;
        buffer.append(Flags.toString(method.getAccessFlags()));
        buffer.append(SPACE);
        buffer.append(Signature.toString(charsToString(method.getDescriptor()), charsToString(method.getName()),
                null, false, true));
    } else {
        IFieldInfo field = (IFieldInfo) object;
        buffer.append(Flags.toString(field.getAccessFlags()));
        buffer.append(SPACE);
        buffer.append(Signature.toString(charsToString(field.getDescriptor())));
        buffer.append(SPACE);
        buffer.append(charsToString(field.getName()));
    }
    return buffer.toString();
}

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