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package fromjava.header_diff_ns.client;
import javax.xml.namespace.NamespaceContext;
import javax.xml.XMLConstants;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* @author Rama Pulavarthi
*/
public class NSContextImpl implements NamespaceContext {
public NSContextImpl() {
addToContext("wsdl", "http://schemas.xmlsoap.org/wsdl/");
addToContext("tns", "http://server.header_diff_ns.fromjava/");
addToContext("header","urn:mycompany/headers");
}
private static final Map<String, String> prefixToNSMap = new HashMap<String, String>();
private static final Map<String, String> nsToPrefixMap = new HashMap<String, String>();
public void addToContext(String prefix, String namespaceURI) {
prefixToNSMap.put(prefix, namespaceURI);
nsToPrefixMap.put(namespaceURI, prefix);
}
public String getNamespaceURI(String prefix) {
if (prefix == null) {
throw new IllegalArgumentException(
"NamespaceContextImpl#getNamespaceURI(String prefix) with prefix == null");
}
// constants
if (prefix.equals(XMLConstants.XML_NS_PREFIX)) {
return XMLConstants.XML_NS_URI;
}
if (prefix.equals(XMLConstants.XMLNS_ATTRIBUTE)) {
return XMLConstants.XMLNS_ATTRIBUTE_NS_URI;
}
// default
if (prefix.equals(XMLConstants.DEFAULT_NS_PREFIX)) {
if (prefixToNSMap.containsKey(prefix)) {
return prefixToNSMap.get(prefix);
} else {
return XMLConstants.NULL_NS_URI;
}
}
// bound
if (prefixToNSMap.containsKey(prefix)) {
return prefixToNSMap.get(prefix);
}
// unbound
return XMLConstants.NULL_NS_URI;
}
public String getPrefix(String namespaceURI) {
if (namespaceURI == null) {
throw new IllegalArgumentException(
"NamespaceContextImpl#getPrefix(String namespaceURI) with namespaceURI == null");
}
// constants
if (namespaceURI.equals(XMLConstants.XML_NS_URI)) {
return XMLConstants.XML_NS_PREFIX;
}
if (namespaceURI.equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI)) {
return XMLConstants.XMLNS_ATTRIBUTE;
}
// bound
if (nsToPrefixMap.containsKey(namespaceURI)) {
return nsToPrefixMap.get(namespaceURI);
}
// mimic "default Namespace URI"
if (namespaceURI.equals(XMLConstants.NULL_NS_URI)) {
return XMLConstants.DEFAULT_NS_PREFIX;
}
// unbound
return null;
}
public Iterator getPrefixes(final String namespaceURI) {
return new Iterator<String>() {
String next = nsToPrefixMap.get(namespaceURI);
public boolean hasNext() {
return next != null;
}
public String next() {
if(next != null) {
String tmp = next;
next = null;
return tmp;
}
throw new NoSuchElementException();
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
}