/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.xerces.xs;

/**
 * This interface represents the Annotation schema component.
 */
public interface XSAnnotation extends XSObject {
    // TargetType
    /**
     * The object type is <code>org.w3c.dom.Element</code>.
     */
    public static final short W3C_DOM_ELEMENT           = 1;
    /**
     * The object type is <code>org.xml.sax.ContentHandler</code>.
     */
    public static final short SAX_CONTENTHANDLER        = 2;
    /**
     * The object type is <code>org.w3c.dom.Document</code>.
     */
    public static final short W3C_DOM_DOCUMENT          = 3;

    /**
     *  Write contents of the annotation to the specified object. If the 
     * specified <code>target</code> is a DOM object, in-scope namespace 
     * declarations for <code>annotation</code> element are added as 
     * attribute nodes of the serialized <code>annotation</code>, otherwise 
     * the corresponding events for all in-scope namespace declarations are 
     * sent via the specified document handler. 
     * @param target  A target pointer to the annotation target object, i.e. 
     *   <code>org.w3c.dom.Document</code>, <code>org.w3c.dom.Element</code>
     *   , <code>org.xml.sax.ContentHandler</code>. 
     * @param targetType  A target type. 
     * @return  True if the <code>target</code> is a recognized type and 
     *   supported by this implementation, otherwise false. 
     */
    public boolean writeAnnotation(Object target, 
                                   short targetType);

    /**
     * A text representation of the annotation.
     */
    public String getAnnotationString();

}
