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/*
 * Copyright (c) 1997, 2021 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.xsom.util;

import java.util.Locale;
import java.util.ResourceBundle;

import com.sun.xml.xsom.XSAnnotation;
import com.sun.xml.xsom.XSAttGroupDecl;
import com.sun.xml.xsom.XSAttributeDecl;
import com.sun.xml.xsom.XSAttributeUse;
import com.sun.xml.xsom.XSComplexType;
import com.sun.xml.xsom.XSComponent;
import com.sun.xml.xsom.XSContentType;
import com.sun.xml.xsom.XSElementDecl;
import com.sun.xml.xsom.XSFacet;
import com.sun.xml.xsom.XSModelGroup;
import com.sun.xml.xsom.XSModelGroupDecl;
import com.sun.xml.xsom.XSNotation;
import com.sun.xml.xsom.XSParticle;
import com.sun.xml.xsom.XSSchema;
import com.sun.xml.xsom.XSSimpleType;
import com.sun.xml.xsom.XSWildcard;
import com.sun.xml.xsom.XSIdentityConstraint;
import com.sun.xml.xsom.XSXPath;
import com.sun.xml.xsom.visitor.XSFunction;

/**
 * Gets the human-readable name of a schema component.
 * 
 * 
 * This is a function object that returns {@link String}.
 * 
 * @author
 *     Kohsuke Kawaguchi ([email protected])
 */
public class NameGetter implements XSFunction {
    /**
     * Initializes a NameGetter so that it will return
     * messages in the specified locale.
     */
    public NameGetter( Locale _locale ) {
        this.locale = _locale;
    }
    
    private final Locale locale;
    
    /**
     * An instance that gets names in the default locale.
     * This instance is provided just for convenience.
     */
    public final static XSFunction theInstance = new NameGetter(null);
    
    /**
     * Gets the name of the specified component in the default locale.
     * This method is just a wrapper.
     */
    public static String get( XSComponent comp ) {
        return (String)comp.apply(theInstance);
    }
    
    
    public String annotation(XSAnnotation ann) {
        return localize("annotation");
    }

    public String attGroupDecl(XSAttGroupDecl decl) {
        return localize("attGroupDecl");
    }

    public String attributeUse(XSAttributeUse use) {
        return localize("attributeUse");
    }

    public String attributeDecl(XSAttributeDecl decl) {
        return localize("attributeDecl");
    }

    public String complexType(XSComplexType type) {
        return localize("complexType");
    }

    public String schema(XSSchema schema) {
        return localize("schema");
    }

    public String facet(XSFacet facet) {
        return localize("facet");
    }

    public String simpleType(XSSimpleType simpleType) {
        return localize("simpleType");
    }

    public String particle(XSParticle particle) {
        return localize("particle");
    }

    public String empty(XSContentType empty) {
        return localize("empty");
    }

    public String wildcard(XSWildcard wc) {
        return localize("wildcard");
    }

    public String modelGroupDecl(XSModelGroupDecl decl) {
        return localize("modelGroupDecl");
    }

    public String modelGroup(XSModelGroup group) {
         return localize("modelGroup");
    }

    public String elementDecl(XSElementDecl decl) {
        return localize("elementDecl");
    }
    
    public String notation( XSNotation n ) {
        return localize("notation");
    }

    public String identityConstraint(XSIdentityConstraint decl) {
        return localize("idConstraint");
    }

    public String xpath(XSXPath xpath) {
        return localize("xpath");
    }

    private String localize( String key ) {
        ResourceBundle rb;
        
        if(locale==null)
            rb = ResourceBundle.getBundle(NameGetter.class.getName());
        else
            rb = ResourceBundle.getBundle(NameGetter.class.getName(),locale);
        
        return rb.getString(key);
    }
}