Example usage for org.eclipse.jdt.internal.core.search.matching MatchLocator classFileReader

List of usage examples for org.eclipse.jdt.internal.core.search.matching MatchLocator classFileReader

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core.search.matching MatchLocator classFileReader.

Prototype

public static IBinaryType classFileReader(IType type) 

Source Link

Usage

From source file:org.eclipse.jdt.internal.core.search.matching.MatchLocator.java

License:Open Source License

IMethod createBinaryMethodHandle(IType type, char[] methodSelector, char[][] argumentTypeNames) {
    ClassFileReader reader = MatchLocator.classFileReader(type);
    if (reader != null) {
        IBinaryMethod[] methods = reader.getMethods();
        if (methods != null) {
            int argCount = argumentTypeNames == null ? 0 : argumentTypeNames.length;
            nextMethod: for (int i = 0, methodsLength = methods.length; i < methodsLength; i++) {
                IBinaryMethod binaryMethod = methods[i];
                char[] selector = binaryMethod.isConstructor() ? type.getElementName().toCharArray()
                        : binaryMethod.getSelector();
                if (CharOperation.equals(selector, methodSelector)) {
                    char[] signature = binaryMethod.getGenericSignature();
                    if (signature == null)
                        signature = binaryMethod.getMethodDescriptor();
                    char[][] parameterTypes = Signature.getParameterTypes(signature);
                    if (argCount != parameterTypes.length)
                        continue nextMethod;
                    if (argumentTypeNames != null) {
                        for (int j = 0; j < argCount; j++) {
                            char[] parameterTypeName = ClassFileMatchLocator
                                    .convertClassFileFormat(parameterTypes[j]);
                            if (!CharOperation.endsWith(
                                    Signature.toCharArray(Signature.getTypeErasure(parameterTypeName)),
                                    CharOperation.replaceOnCopy(argumentTypeNames[j], '$', '.')))
                                continue nextMethod;
                            parameterTypes[j] = parameterTypeName;
                        }/* ww  w .j  a v  a  2s.co  m*/
                    }
                    return (IMethod) createMethodHandle(type, new String(selector),
                            CharOperation.toStrings(parameterTypes));
                }
            }
        }
    }
    return null;
}