Example usage for org.eclipse.jdt.internal.core.util Util toAnchor

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core.util Util toAnchor.

Prototype

public static char[] toAnchor(int startingIndex, char[] methodSignature, char[] methodName,
            boolean isVargArgs) 

Source Link

Usage

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

License:Open Source License

private String computeMethodAnchorPrefixEnd(BinaryMethod method) throws JavaModelException {
    String typeQualifiedName = null;
    if (this.type.isMember()) {
        IType currentType = this.type;
        StringBuffer buffer = new StringBuffer();
        while (currentType != null) {
            buffer.insert(0, currentType.getElementName());
            currentType = currentType.getDeclaringType();
            if (currentType != null) {
                buffer.insert(0, '.');
            }// ww w . ja va 2  s  .c o m
        }
        typeQualifiedName = new String(buffer.toString());
    } else {
        typeQualifiedName = this.type.getElementName();
    }

    String methodName = method.getElementName();
    if (method.isConstructor()) {
        methodName = typeQualifiedName;
    }
    IBinaryMethod info = (IBinaryMethod) method.getElementInfo();

    char[] genericSignature = info.getGenericSignature();
    String anchor = null;
    if (genericSignature != null) {
        genericSignature = CharOperation.replaceOnCopy(genericSignature, '/', '.');
        anchor = Util.toAnchor(0, genericSignature, methodName, Flags.isVarargs(method.getFlags()));
        if (anchor == null)
            throw new JavaModelException(
                    new JavaModelStatus(IJavaModelStatusConstants.UNKNOWN_JAVADOC_FORMAT, method));
    } else {
        anchor = Signature.toString(method.getSignature().replace('/', '.'), methodName, null, true, false,
                Flags.isVarargs(method.getFlags()));
    }
    IType declaringType = this.type;
    if (declaringType.isMember()) {
        // might need to remove a part of the signature corresponding to the synthetic argument (only for constructor)
        if (method.isConstructor() && !Flags.isStatic(declaringType.getFlags())) {
            int indexOfOpeningParen = anchor.indexOf('(');
            if (indexOfOpeningParen == -1) {
                // should not happen as this is a method signature
                return null;
            }
            int index = indexOfOpeningParen;
            indexOfOpeningParen++;
            int indexOfComma = anchor.indexOf(',', index);
            if (indexOfComma != -1) {
                index = indexOfComma + 2;
            } else {
                // no argument, but a synthetic argument
                index = anchor.indexOf(')', index);
            }
            anchor = anchor.substring(0, indexOfOpeningParen) + anchor.substring(index);
        }
    }
    return anchor + JavadocConstants.ANCHOR_PREFIX_END;
}

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