Example usage for org.eclipse.jdt.core Signature getTypeParameterBounds

Introduction

In this page you can find the example usage for org.eclipse.jdt.core Signature getTypeParameterBounds.

Prototype

public static String[] getTypeParameterBounds(String formalTypeParameterSignature)
        throws IllegalArgumentException 

Source Link

Document

Extracts the class and interface bounds from the given formal type parameter signature.

Usage

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

License:Open Source License

/**
 * Creates the handles and infos for the type parameter of the given binary member.
 * Adds new handles to the given vector.
 *///from w ww . j ava2  s  . com
private void generateTypeParameterInfos(BinaryMember parent, char[] signature, HashMap newElements,
        ArrayList typeParameterHandles) {
    if (signature == null)
        return;
    char[][] typeParameterSignatures = Signature.getTypeParameters(signature);
    for (int i = 0, typeParameterCount = typeParameterSignatures.length; i < typeParameterCount; i++) {
        char[] typeParameterSignature = typeParameterSignatures[i];
        char[] typeParameterName = Signature.getTypeVariable(typeParameterSignature);
        CharOperation.replace(typeParameterSignature, '/', '.');
        char[][] typeParameterBoundSignatures = Signature.getTypeParameterBounds(typeParameterSignature);
        int boundLength = typeParameterBoundSignatures.length;
        char[][] typeParameterBounds = new char[boundLength][];
        for (int j = 0; j < boundLength; j++) {
            typeParameterBounds[j] = Signature.toCharArray(typeParameterBoundSignatures[j]);
        }
        TypeParameter typeParameter = new TypeParameter(parent, parent.manager, new String(typeParameterName));
        TypeParameterElementInfo info = new TypeParameterElementInfo();
        info.bounds = typeParameterBounds;
        info.boundsSignatures = typeParameterBoundSignatures;
        typeParameterHandles.add(typeParameter);

        // ensure that 2 binary methods with the same signature but with different return types have different occurence counts.
        // (case of bridge methods in 1.5)
        while (newElements.containsKey(typeParameter))
            typeParameter.occurrenceCount++;

        newElements.put(typeParameter, info);
    }
    //   throw new UnsupportedOperationException();
}

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From source file:org.eclipse.recommenders.completion.rcp.utils.ProposalUtils.java

License:Open Source License

private static char[] resolveTypeVariable(char[] typeVariableName, char[][] typeParameters) {
    for (char[] typeParameter : typeParameters) {
        if (CharOperation.equals(typeVariableName, Signature.getTypeVariable(typeParameter))) {
            char[][] typeParameterBounds = Signature.getTypeParameterBounds(typeParameter);
            if (typeParameterBounds.length > 0) {
                return typeParameterBounds[0];
            } else {
                return JAVA_LANG_OBJECT;
            }//from  ww  w  .  j a  v a 2s. co  m
        }
    }
    // No match found. Assume Object.
    return JAVA_LANG_OBJECT;
}

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From source file:org.jboss.tools.common.java.ParametedTypeFactory.java

License:Open Source License

public ParametedType getParametedTypeForParameter(IMember context, String typeParameterSignature,
        ParametedType result) throws JavaModelException {
    IType contextType = context instanceof IType ? (IType) context : context.getDeclaringType();
    String key = context == null ? typeParameterSignature
            : contextType.getFullyQualifiedName() + "+" + typeParameterSignature;

    String t = Signature.getTypeVariable(typeParameterSignature);
    String[] bounds = Signature.getTypeParameterBounds(typeParameterSignature);

    t = Signature.C_RESOLVED + t + Signature.C_SEMICOLON;
    if (result == null || t.equals(result.getSignature()) || result.getSignature().endsWith("[" + t)) {
        if (bounds.length > 0 && bounds[0].length() > 0) {
            ParametedType st = getParametedType(contextType, bounds[0]);
            if (st != null) {
                result = new TypeDeclaration(st, context.getResource(), 0, 0);
                result.setUpper(true);/*ww  w  .j  a va 2s .co  m*/
            }
        } else if (result != null) {
            result.setSignature(t);
        }
        if (result == null) {
            result = new ParametedType();
            result.setFactory(this);
            result.setSignature(t);
        }
        result.setVariable(true);
        cache.put(key, result);
        return result;
    }
    return null;
}

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