/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.xml.internal.ws.message;
import com.sun.istack.internal.NotNull;
import com.sun.xml.internal.ws.api.SOAPVersion;
import com.sun.xml.internal.ws.api.message.AttachmentSet;
import com.sun.xml.internal.ws.api.message.Header;
import com.sun.xml.internal.ws.api.message.HeaderList;
import com.sun.xml.internal.ws.api.message.Message;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Source;
/**
* {@link Message} that has no body.
*
* @author Kohsuke Kawaguchi
*/
public class EmptyMessageImpl extends AbstractMessageImpl {
/**
* If a message has no payload, it's more likely to have
* some header, so we create it eagerly here.
*/
private final HeaderList headers;
private final AttachmentSet attachmentSet;
public EmptyMessageImpl(SOAPVersion version) {
super(version);
this.headers = new HeaderList();
this.attachmentSet = new AttachmentSetImpl();
}
public EmptyMessageImpl(HeaderList headers, @NotNull AttachmentSet attachmentSet, SOAPVersion version){
super(version);
if(headers==null)
headers = new HeaderList();
this.attachmentSet = attachmentSet;
this.headers = headers;
}
/**
* Copy constructor.
*/
private EmptyMessageImpl(EmptyMessageImpl that) {
super(that);
this.headers = new HeaderList(that.headers);
this.attachmentSet = that.attachmentSet;
}
public boolean hasHeaders() {
return !headers.isEmpty();
}
@Override
public @NotNull AttachmentSet getAttachments() {
return attachmentSet;
}
public HeaderList getHeaders() {
return headers;
}
public String getPayloadLocalPart() {
return null;
}
public String getPayloadNamespaceURI() {
return null;
}
public boolean hasPayload() {
return false;
}
public Source readPayloadAsSource() {
return null;
}
public XMLStreamReader readPayload() throws XMLStreamException {
return null;
}
public void writePayloadTo(XMLStreamWriter sw) throws XMLStreamException {
// noop
}
public void writePayloadTo(ContentHandler contentHandler, ErrorHandler errorHandler, boolean fragment) throws SAXException {
// noop
}
public Message copy() {
return new EmptyMessageImpl(this);
}
}