com.sun.xml.ws.spi.db.BindingHelper Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of webservices-osgi Show documentation
Metro Web Services Runtime OSGi Bundle
The newest version!
/*
 * Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.ws.spi.db;

import java.lang.reflect.Type;

//TODO SOAPVersion WebServiceFeatureList

import org.glassfish.jaxb.core.api.impl.NameConverter;

import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
/**
 * BindingHelper
 *
 * @author [email protected]
 */
public final class BindingHelper {

    private BindingHelper() {}

    /**
     * Computes a Java identifier from a local name.
     *
     * 
     * This method faithfully implements the name mangling rule as specified in the JAXB spec.
     *
     * 

     * In JAXB, a collision with a Java reserved word (such as "return") never happens.
     * Accordingly, this method may return an identifier that collides with reserved words.
     *
     * 

     * Use {@code JJavaName.isJavaIdentifier(String)} to check for such collision.
     *
     * @return
     *      Typically, this method returns "nameLikeThis".
     */
    public static @NotNull String mangleNameToVariableName(@NotNull String localName) {
        return NameConverter.standard.toVariableName(localName);
    }

    /**
     * Computes a Java class name from a local name.
     *
     * 

     * This method faithfully implements the name mangling rule as specified in the JAXB spec.
     *
     * @return
     *      Typically, this method returns "NameLikeThis".
     */
    public static @NotNull String mangleNameToClassName(@NotNull String localName) {
        return NameConverter.standard.toClassName(localName);
    }

    /**
     * Computes a Java class name from a local name.
     *
     * 

     * This method faithfully implements the name mangling rule as specified in the JAXB spec.
     * This method works like {@link #mangleNameToClassName(String)} except that it looks
     * for "getClass" and returns something else.
     *
     * @return
     *      Typically, this method returns "NameLikeThis".
     */
    public static @NotNull String mangleNameToPropertyName(@NotNull String localName) {
        return NameConverter.standard.toPropertyName(localName);
    }

    /**
     * Gets the parameterization of the given base type.
     *
     * 

     * For example, given the following
     * 
{@code
     * interface Foo extends List> {}
     * interface Bar extends Foo {}
     * }
     * This method works like this:
     * {@code
     * getBaseClass( Bar, List ) = List
     * getBaseClass( Bar, Foo  ) = Foo
     * getBaseClass( Foo, Collection ) = Collection>
     * getBaseClass( ArrayList, List ) = List
     * }
     *
     * @param type
     *      The type that derives from {@code baseType}
     * @param baseType
     *      The class whose parameterization we are interested in.
     * @return
     *      The use of {@code baseType} in {@code type}.
     *      or null if the type is not assignable to the base type.
     * @since 2.0 FCS
     */
    public static @Nullable Type getBaseType(@NotNull Type type, @NotNull Class baseType) {
        return Utils.REFLECTION_NAVIGATOR.getBaseClass(type,baseType);
    }
    
    public static  Class erasure(Type t) {
        return (Class) Utils.REFLECTION_NAVIGATOR.erasure(t);
    }
}