/**
* Copyright (C) 2012-2017 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* - Apache License, version 2.0
* - Apache Software License, version 1.0
* - GNU Lesser General Public License, version 3
* - Mozilla Public License, versions 1.0, 1.1 and 2.0
* - Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program 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 for more details.
*/
package org.n52.sos.decode;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.xml.soap.Node;
import javax.xml.soap.SOAPHeaderElement;
import org.n52.sos.service.ServiceConstants.SupportedTypeKey;
import org.n52.sos.wsa.WsaActionHeader;
import org.n52.sos.wsa.WsaConstants;
import org.n52.sos.wsa.WsaHeader;
import org.n52.sos.wsa.WsaMessageIDHeader;
import org.n52.sos.wsa.WsaReplyToHeader;
import org.n52.sos.wsa.WsaToHeader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Joiner;
import com.google.common.collect.Lists;
/**
* @since 4.0.0
*
*/
public class WsaDecoder implements Decoder<List<WsaHeader>, List<SOAPHeaderElement>> {
private static final Logger LOGGER = LoggerFactory.getLogger(WsaDecoder.class);
private static final Set<DecoderKey> DECODER_KEYS = Collections.<DecoderKey> singleton(new XmlNamespaceDecoderKey(
WsaConstants.NS_WSA, SOAPHeaderElement.class));
public WsaDecoder() {
LOGGER.debug("Decoder for the following keys initialized successfully: {}!", Joiner.on(", ")
.join(DECODER_KEYS));
}
@Override
public Set<DecoderKey> getDecoderKeyTypes() {
return Collections.unmodifiableSet(DECODER_KEYS);
}
@Override
public Map<SupportedTypeKey, Set<String>> getSupportedTypes() {
return Collections.emptyMap();
}
@Override
public Set<String> getConformanceClasses() {
return Collections.emptySet();
}
@Override
public List<WsaHeader> decode(List<SOAPHeaderElement> list) {
List<WsaHeader> wsaHeaders = Lists.newArrayListWithCapacity(list.size());
boolean to = false;
boolean replyTo = false;
boolean messageId = false;
boolean action = false;
for (SOAPHeaderElement soapHeaderElement : list) {
if (soapHeaderElement.getLocalName().equals(WsaConstants.EN_TO)) {
wsaHeaders.add(new WsaToHeader(soapHeaderElement.getValue()));
to = true;
} else if (soapHeaderElement.getLocalName().equals(WsaConstants.EN_ACTION)) {
wsaHeaders.add(new WsaActionHeader(soapHeaderElement.getValue()));
action = true;
} else if (soapHeaderElement.getLocalName().equals(WsaConstants.EN_REPLY_TO)) {
Iterator<?> iter = soapHeaderElement.getChildElements();
while (iter.hasNext()) {
Node node = (Node) iter.next();
if (node.getLocalName() != null && node.getLocalName().equals(WsaConstants.EN_ADDRESS)) {
wsaHeaders.add(new WsaReplyToHeader(node.getValue()));
replyTo = true;
}
}
} else if (soapHeaderElement.getLocalName().equals(WsaConstants.EN_MESSAGE_ID)) {
wsaHeaders.add(new WsaMessageIDHeader(soapHeaderElement.getValue()));
messageId = true;
}
}
if ((to || replyTo || messageId) && !action) {
wsaHeaders.add(new WsaActionHeader(WsaConstants.WSA_FAULT_ACTION));
}
return wsaHeaders;
}
}