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JAXB (JSR 222) reference implementation - JAXB1 build
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package com.sun.xml.bind.unmarshaller;

import java.io.PrintStream;

/**
 * receives trace events.
 *
 * 
 * One step of unmarshalling consists of three callbacks.
 * 
 * @author
 *  ");
            indent++;
        }
        public void onEnterAttribute( String uri, String local ) {
            printEvent("@",uri,local,"");
            indent++;
        }
        public void onLeaveElement( String uri, String local ) {
            indent--;
            printEvent("");
        }
        public void onLeaveAttribute( String uri, String local ) {
            indent--;
            printEvent("/@",uri,local,"");
        }
        public void onText( String text ) {
            printIndent();
            out.print("text("+text.trim()+") ");
        }

        private void printEvent( String prefix, String uri, String local, String suffix ) {
            printIndent();
            out.print(prefix+'('+uri+','+local+')'+suffix+' ');
        }
        
        public void onConvertValue( String text, String field ) {
            out.print("to "+field);
        }
        public void onSpawnChild( String childType, String field ) {
            indent+=3;
            out.print("spawn a child field:"+field+" type:"+childType);
        }
        public void onSpawnSuper( String superType ) {
            indent+=3;
            out.print("spawn a super class unmarshaller :"+superType);
        }
        public void onRevertToParent() {
            indent-=3;
            out.print("revert to parent");
        }
    
        //
        // 3. new state
        //
        public void nextState( int n ) {
            out.println(" -> #"+n);
        }
        public void suspend() {
            out.println();
        }
    }
}