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/*
 * 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.message;

import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import jakarta.xml.soap.SOAPMessage;
import jakarta.xml.soap.SOAPException;
import jakarta.xml.soap.SOAPHeader;
import jakarta.xml.soap.SOAPHeaderElement;
import javax.xml.namespace.QName;

import com.sun.istack.Nullable;
import com.sun.istack.NotNull;
import com.sun.xml.ws.api.addressing.AddressingVersion;
import com.sun.xml.stream.buffer.MutableXMLStreamBuffer;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;

/**
 * @author Arun Gupta
 */
public class FaultDetailHeader extends AbstractHeaderImpl {

    private AddressingVersion av;
    private String wrapper;
    private String problemValue = null;

    public FaultDetailHeader(AddressingVersion av, String wrapper, QName problemHeader) {
        this.av = av;
        this.wrapper = wrapper;
        this.problemValue = problemHeader.toString();
    }

    public FaultDetailHeader(AddressingVersion av, String wrapper, String problemValue) {
        this.av = av;
        this.wrapper = wrapper;
        this.problemValue = problemValue;
    }

    @Override
    public
    @NotNull
    String getNamespaceURI() {
        return av.nsUri;
    }

    @Override
    public
    @NotNull
    String getLocalPart() {
        return av.faultDetailTag.getLocalPart();
    }

    @Override
    @Nullable
    public String getAttribute(@NotNull String nsUri, @NotNull String localName) {
        return null;
    }

    @Override
    public XMLStreamReader readHeader() throws XMLStreamException {
        MutableXMLStreamBuffer buf = new MutableXMLStreamBuffer();
        XMLStreamWriter w = buf.createFromXMLStreamWriter();
        writeTo(w);
        return buf.readAsXMLStreamReader();
    }

    @Override
    public void writeTo(XMLStreamWriter w) throws XMLStreamException {
        w.writeStartElement("", av.faultDetailTag.getLocalPart(), av.faultDetailTag.getNamespaceURI());
        w.writeDefaultNamespace(av.nsUri);
        w.writeStartElement("", wrapper, av.nsUri);
        w.writeCharacters(problemValue);
        w.writeEndElement();
        w.writeEndElement();
    }

    @Override
    public void writeTo(SOAPMessage saaj) throws SOAPException {
        SOAPHeader header = saaj.getSOAPHeader();
        if (header == null)
                header = saaj.getSOAPPart().getEnvelope().addHeader();
        SOAPHeaderElement she = header.addHeaderElement(av.faultDetailTag);
        she = header.addHeaderElement(new QName(av.nsUri, wrapper));
        she.addTextNode(problemValue);
    }

    @Override
    public void writeTo(ContentHandler h, ErrorHandler errorHandler) throws SAXException {
        String nsUri = av.nsUri;
        String ln = av.faultDetailTag.getLocalPart();

        h.startPrefixMapping("",nsUri);
        h.startElement(nsUri,ln,ln,EMPTY_ATTS);
        h.startElement(nsUri,wrapper,wrapper,EMPTY_ATTS);
        h.characters(problemValue.toCharArray(),0,problemValue.length());
        h.endElement(nsUri,wrapper,wrapper);
        h.endElement(nsUri,ln,ln);
    }
}