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/*
 * Copyright (c) 1997, 2020 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.stream;

import com.sun.istack.FinalArrayList;
import com.sun.istack.NotNull;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBufferException;
import com.sun.xml.ws.api.message.Header;
import com.sun.xml.ws.message.AbstractHeaderImpl;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;

import jakarta.xml.soap.SOAPException;
import jakarta.xml.soap.SOAPMessage;
import jakarta.xml.soap.SOAPHeader;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import jakarta.xml.ws.WebServiceException;

/**
 * Used to represent outbound header created from {@link XMLStreamBuffer}.
 *
 * 

* This is optimized for outbound use, so it implements some of the methods lazily, * in a slow way. * * @author Kohsuke Kawaguchi */ public final class OutboundStreamHeader extends AbstractHeaderImpl { private final XMLStreamBuffer infoset; private final String nsUri,localName; /** * The attributes on the header element. * Lazily parsed. * Null if not parsed yet. */ private FinalArrayList attributes; public OutboundStreamHeader(XMLStreamBuffer infoset, String nsUri, String localName) { this.infoset = infoset; this.nsUri = nsUri; this.localName = localName; } public @NotNull String getNamespaceURI() { return nsUri; } public @NotNull String getLocalPart() { return localName; } public String getAttribute(String nsUri, String localName) { if(attributes==null) parseAttributes(); for(int i=attributes.size()-1; i>=0; i-- ) { Attribute a = attributes.get(i); if(a.localName.equals(localName) && a.nsUri.equals(nsUri)) return a.value; } return null; } /** * We don't really expect this to be used, but just to satisfy * the {@link Header} contract. * * So this is rather slow. */ private void parseAttributes() { try { XMLStreamReader reader = readHeader(); attributes = new FinalArrayList(); for (int i = 0; i < reader.getAttributeCount(); i++) { final String localName = reader.getAttributeLocalName(i); final String namespaceURI = reader.getAttributeNamespace(i); final String value = reader.getAttributeValue(i); attributes.add(new Attribute(namespaceURI,localName,value)); } } catch (XMLStreamException e) { throw new WebServiceException("Unable to read the attributes for {"+nsUri+"}"+localName+" header",e); } } public XMLStreamReader readHeader() throws XMLStreamException { return infoset.readAsXMLStreamReader(); } public void writeTo(XMLStreamWriter w) throws XMLStreamException { infoset.writeToXMLStreamWriter(w,true); } public void writeTo(SOAPMessage saaj) throws SOAPException { try { SOAPHeader header = saaj.getSOAPHeader(); if (header == null) header = saaj.getSOAPPart().getEnvelope().addHeader(); infoset.writeTo(header); } catch (XMLStreamBufferException e) { throw new SOAPException(e); } } public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException { infoset.writeTo(contentHandler,errorHandler); } /** * Keep the information about an attribute on the header element. */ static final class Attribute { /** * Can be empty but never null. */ final String nsUri; final String localName; final String value; public Attribute(String nsUri, String localName, String value) { this.nsUri = fixNull(nsUri); this.localName = localName; this.value = value; } /** * Convert null to "". */ private static String fixNull(String s) { if(s==null) return ""; else return s; } } /** * We the performance paranoid people in the JAX-WS RI thinks * saving three bytes is worth while... */ private static final String TRUE_VALUE = "1"; private static final String IS_REFERENCE_PARAMETER = "IsReferenceParameter"; }





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