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package com.sun.xml.bind.v2.runtime;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import javax.xml.namespace.QName;

import com.sun.xml.bind.v2.util.QNameMap;

/**
 * Creates {@link Name}s and assign index numbers to them.
 *
 * 

* During this process, this class also finds out which namespace URIs * are statically known to be un-bindable as the default namespace. * Those are the namespace URIs that are used by attribute names. * * @author Kohsuke Kawaguchi */ @SuppressWarnings({"StringEquality"}) public final class NameBuilder { private Map uriIndexMap = new HashMap(); private Set nonDefaultableNsUris = new HashSet(); private Map localNameIndexMap = new HashMap(); private QNameMap elementQNameIndexMap = new QNameMap(); private QNameMap attributeQNameIndexMap = new QNameMap(); public Name createElementName(QName name) { return createElementName(name.getNamespaceURI(),name.getLocalPart()); } public Name createElementName(String nsUri, String localName) { return createName(nsUri, localName, false, elementQNameIndexMap); } public Name createAttributeName(QName name) { return createAttributeName(name.getNamespaceURI(),name.getLocalPart()); } public Name createAttributeName(String nsUri, String localName) { assert nsUri.intern()==nsUri; assert localName.intern()==localName; if(nsUri.length()==0) return new Name( allocIndex(attributeQNameIndexMap,"",localName), -1, nsUri, allocIndex(localNameIndexMap,localName), localName, true); else { nonDefaultableNsUris.add(nsUri); return createName(nsUri,localName, true, attributeQNameIndexMap); } } private Name createName(String nsUri, String localName, boolean isAttribute, QNameMap map) { assert nsUri.intern()==nsUri; assert localName.intern()==localName; return new Name( allocIndex(map,nsUri,localName), allocIndex(uriIndexMap,nsUri), nsUri, allocIndex(localNameIndexMap,localName), localName, isAttribute ); } private int allocIndex(Map map, String str) { Integer i = map.get(str); if(i==null) { i = map.size(); map.put(str,i); } return i; } private int allocIndex(QNameMap map, String nsUri, String localName) { Integer i = map.get(nsUri,localName); if(i==null) { i = map.size(); map.put(nsUri,localName,i); } return i; } /** * Wraps up everything and creates {@link NameList}. */ public NameList conclude() { boolean[] nsUriCannotBeDefaulted = new boolean[uriIndexMap.size()]; for (Map.Entry e : uriIndexMap.entrySet()) { nsUriCannotBeDefaulted[e.getValue()] = nonDefaultableNsUris.contains(e.getKey()); } NameList r = new NameList( list(uriIndexMap), nsUriCannotBeDefaulted, list(localNameIndexMap), elementQNameIndexMap.size(), attributeQNameIndexMap.size() ); // delete them so that the create method can never be called again uriIndexMap = null; localNameIndexMap = null; return r; } private String[] list(Map map) { String[] r = new String[map.size()]; for (Map.Entry e : map.entrySet()) r[e.getValue()] = e.getKey(); return r; } }





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