Example usage for org.eclipse.jdt.internal.compiler.env IBinaryMethod getDefaultValue

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.env IBinaryMethod getDefaultValue.

Prototype

Object getDefaultValue();

Source Link

Document

Return ClassSignature for a Class java.lang.Class .

Usage

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

License:Open Source License

public IMemberValuePair getDefaultValue() throws JavaModelException {
    IBinaryMethod info = (IBinaryMethod) getElementInfo();
    Object defaultValue = info.getDefaultValue();
    if (defaultValue == null)
        return null;
    MemberValuePair memberValuePair = new MemberValuePair(getElementName());
    memberValuePair.value = Util.getAnnotationMemberValue(this, manager, memberValuePair, defaultValue);
    return memberValuePair;
}

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

License:Open Source License

/**
 * Creates the handles and infos for the methods of the given binary type.
 * Adds new handles to the given vector.
 *//*from ww w .  j a va  2 s.  com*/
private void generateMethodInfos(IType type, IBinaryType typeInfo, HashMap newElements,
        ArrayList childrenHandles, ArrayList typeParameterHandles) {
    IBinaryMethod[] methods = typeInfo.getMethods();
    if (methods == null) {
        return;
    }
    for (int i = 0, methodCount = methods.length; i < methodCount; i++) {
        IBinaryMethod methodInfo = methods[i];
        final boolean isConstructor = methodInfo.isConstructor();
        boolean isEnum = false;
        try {
            isEnum = type.isEnum();
        } catch (JavaModelException e) {
            // ignore
        }
        // TODO (jerome) filter out synthetic members
        //                        indexer should not index them as well
        // if ((methodInfo.getModifiers() & IConstants.AccSynthetic) != 0) continue; // skip synthetic
        boolean useGenericSignature = true;
        char[] signature = methodInfo.getGenericSignature();
        String[] pNames = null;
        if (signature == null) {
            useGenericSignature = false;
            signature = methodInfo.getMethodDescriptor();
            if (isEnum && isConstructor) {
                pNames = Signature.getParameterTypes(new String(signature));
                int length = pNames.length - 2;
                if (length >= 0) // https://bugs.eclipse.org/bugs/show_bug.cgi?id=436347
                    System.arraycopy(pNames, 2, pNames = new String[length], 0, length);
            }
        }
        String selector = new String(methodInfo.getSelector());
        if (isConstructor) {
            selector = type.getElementName();
        }
        try {
            if (!(isEnum && isConstructor && !useGenericSignature)) {
                pNames = Signature.getParameterTypes(new String(signature));
            }
            if (isConstructor && useGenericSignature && type.isMember() && !Flags.isStatic(type.getFlags())) {
                int length = pNames.length;
                System.arraycopy(pNames, 0, (pNames = new String[length + 1]), 1, length);
                char[] descriptor = methodInfo.getMethodDescriptor();
                final String[] parameterTypes = Signature.getParameterTypes(new String(descriptor));
                pNames[0] = parameterTypes[0];
            }
        } catch (IllegalArgumentException e) {
            // protect against malformed .class file (e.g. com/sun/crypto/provider/SunJCE_b.class has a 'a' generic signature)
            signature = methodInfo.getMethodDescriptor();
            pNames = Signature.getParameterTypes(new String(signature));
        } catch (JavaModelException e) {
            // protect against malformed .class file (e.g. com/sun/crypto/provider/SunJCE_b.class has a 'a' generic signature)
            signature = methodInfo.getMethodDescriptor();
            pNames = Signature.getParameterTypes(new String(signature));
        }
        char[][] paramNames = new char[pNames.length][];
        for (int j = 0; j < pNames.length; j++) {
            paramNames[j] = pNames[j].toCharArray();
        }
        char[][] parameterTypes = ClassFile.translatedNames(paramNames);
        JavaModelManager manager = ((JavaElement) type).manager;
        selector = manager.intern(selector);
        for (int j = 0; j < pNames.length; j++) {
            pNames[j] = manager.intern(new String(parameterTypes[j]));
        }
        BinaryMethod method = new BinaryMethod((JavaElement) type, manager, selector, pNames);
        childrenHandles.add(method);

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

        newElements.put(method, methodInfo);

        int max = pNames.length;
        char[][] argumentNames = methodInfo.getArgumentNames();
        if (argumentNames == null || argumentNames.length < max) {
            argumentNames = new char[max][];
            for (int j = 0; j < max; j++) {
                argumentNames[j] = ("arg" + j).toCharArray(); //$NON-NLS-1$
            }
        }
        int startIndex = 0;
        try {
            if (isConstructor) {
                if (isEnum) {
                    startIndex = 2;
                } else if (type.isMember() && !Flags.isStatic(type.getFlags())) {
                    startIndex = 1;
                }
            }
        } catch (JavaModelException e) {
            // ignore
        }
        //      for (int j = startIndex; j < max; j++) {
        //         IBinaryAnnotation[] parameterAnnotations = methodInfo.getParameterAnnotations(j - startIndex);
        //         if (parameterAnnotations != null) {
        //            LocalVariable localVariable = new LocalVariable(
        //                  method,
        //                  new String(argumentNames[j]),
        //                  0,
        //                  -1,
        //                  0,
        //                  -1,
        //                  method.parameterTypes[j],
        //                  null,
        //                  -1,
        //                  true);
        //            generateAnnotationsInfos(localVariable, argumentNames[j], parameterAnnotations, methodInfo.getTagBits(), newElements);
        //         }
        //      }
        generateTypeParameterInfos(method, signature, newElements, typeParameterHandles);
        generateAnnotationsInfos(method, methodInfo.getAnnotations(), methodInfo.getTagBits(), newElements);
        Object defaultValue = methodInfo.getDefaultValue();
        if (defaultValue instanceof IBinaryAnnotation) {
            generateAnnotationInfo(method, newElements, (IBinaryAnnotation) defaultValue,
                    new String(methodInfo.getSelector()));
        }
    }
}

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From source file:org.eclipse.che.jdt.BinaryTypeConvector.java

License:Open Source License

private static JsonElement toJsonMethod(IBinaryMethod method) {
    JsonObject object = new JsonObject();
    object.addProperty("modifiers", method.getModifiers());
    object.addProperty("constructor", method.isConstructor());
    object.add("argumentNames", toJsonArrayString(method.getArgumentNames()));
    object.add("annotations", toJsonAnnotations(method.getAnnotations()));
    object.add("defaultValue", toJsonDefaultValue(method.getDefaultValue()));
    object.add("exceptionTypeNames", toJsonArrayString(method.getExceptionTypeNames()));
    object.add("genericSignature", method.getGenericSignature() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(method.getGenericSignature())));
    object.add("methodDescriptor", method.getMethodDescriptor() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(method.getMethodDescriptor())));
    object.add("parameterAnnotations", toJsonParameterAnnotations(method));
    object.add("selector", method.getSelector() == null ? JsonNull.INSTANCE
            : new JsonPrimitive(new String(method.getSelector())));
    object.addProperty("tagBits", String.valueOf(method.getTagBits()));
    object.addProperty("clinit", method.isClinit());
    return object;
}

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