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package com.sun.org.apache.xerces.internal.impl.xs.util;
import com.sun.org.apache.xerces.internal.util.SymbolHash;
import com.sun.org.apache.xerces.internal.xs.XSObject;
import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
/**
* Containts the map between qnames and XSObject's.
*
* @xerces.internal
*
* @author Sandy Gao, IBM
*
* @version $Id: XSNamedMap4Types.java,v 1.7 2010-11-01 04:40:06 joehw Exp $
*/
public final class XSNamedMap4Types extends XSNamedMapImpl {
// the type of component stored here: complex or simple type
private final short fType;
/**
* Construct an XSNamedMap implementation for one namespace
*
* @param namespace the namespace to which the components belong
* @param map the map from local names to components
* @param type the type of components
*/
public XSNamedMap4Types(String namespace, SymbolHash map, short type) {
super(namespace, map);
fType = type;
}
/**
* Construct an XSNamedMap implementation for a list of namespaces
*
* @param namespaces the namespaces to which the components belong
* @param maps the maps from local names to components
* @param num the number of namespaces
* @param type the type of components
*/
public XSNamedMap4Types(String[] namespaces, SymbolHash[] maps, int num, short type) {
super(namespaces, maps, num);
fType = type;
}
/**
* The number of XSObjects
in the XSObjectList
. The
* range of valid child node indices is 0 to length-1
* inclusive.
*/
public synchronized int getLength() {
if (fLength == -1) {
// first get the number of components for all types
int length = 0;
for (int i = 0; i < fNSNum; i++) {
length += fMaps[i].getLength();
}
// then copy all types to an temporary array
int pos = 0;
XSObject[] array = new XSObject[length];
for (int i = 0; i < fNSNum; i++) {
pos += fMaps[i].getValues(array, pos);
}
// then copy either simple or complex types to fArray,
// depending on which kind is required
fLength = 0;
fArray = new XSObject[length];
XSTypeDefinition type;
for (int i = 0; i < length; i++) {
type = (XSTypeDefinition)array[i];
if (type.getTypeCategory() == fType) {
fArray[fLength++] = type;
}
}
}
return fLength;
}
/**
* Retrieves an XSObject
specified by local name and namespace
* URI.
* @param namespace The namespace URI of the XSObject
to
* retrieve.
* @param localName The local name of the XSObject
to retrieve.
* @return A XSObject
(of any type) with the specified local
* name and namespace URI, or null
if they do not
* identify any XSObject
in this map.
*/
public XSObject itemByName(String namespace, String localName) {
for (int i = 0; i < fNSNum; i++) {
if (isEqual(namespace, fNamespaces[i])) {
XSTypeDefinition type = (XSTypeDefinition)fMaps[i].get(localName);
// only return it if it matches the required type
if (type != null && type.getTypeCategory() == fType) {
return type;
}
return null;
}
}
return null;
}
/**
* Returns the index
th item in the map. The index starts at
* 0. If index
is greater than or equal to the number of
* nodes in the list, this returns null
.
* @param index The position in the map from which the item is to be
* retrieved.
* @return The XSObject
at the index
th position
* in the XSNamedMap
, or null
if that is
* not a valid index.
*/
public synchronized XSObject item(int index) {
if (fArray == null) {
getLength();
}
if (index < 0 || index >= fLength) {
return null;
}
return fArray[index];
}
} // class XSNamedMapImpl