org.custommonkey.xmlunit.SimpleNamespaceContext Maven / Gradle / Ivy
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package org.custommonkey.xmlunit;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Implementation of NamespaceContext that's backed by a map.
*/
public class SimpleNamespaceContext implements NamespaceContext {
/* prefix -> NS URI */
private final Map prefixMap;
/**
* An empty context containing no prefixes at all.
*/
public static final SimpleNamespaceContext EMPTY_CONTEXT =
new SimpleNamespaceContext(Collections.emptyMap());
/**
* Creates a NamespaceContext backed by the given map.
*
* Copies the map, changes made to the given map after calling
* the constructor are not reflected into the
* NamespaceContext.
*
* @param prefixMap maps prefix to Namespace URI
*/
public SimpleNamespaceContext(Map prefixMap) {
this.prefixMap = new HashMap(prefixMap);
}
public String getNamespaceURI(String prefix) {
return prefixMap.get(prefix);
}
public Iterator getPrefixes() {
return prefixMap.keySet().iterator();
}
}