javax.xml.stream.events.XMLEvent#NAMESPACE源码实例Demo

/**
 * Returns the uri for the namespace declared at the index.
 *
 * @param index the position of the namespace declaration
 * @return returns the namespace uri
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT
 * or NAMESPACE
 */
public String getNamespaceURI(int index) {
    if (fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT
            || fEventType == XMLEvent.NAMESPACE) {
        //namespaceContext is dynamic object.
        return fScanner.getNamespaceContext().getURI(fScanner.getNamespaceContext()
                .getDeclaredPrefixAt(index));
    } else {
        throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
                + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
                + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                + getEventTypeString(XMLEvent.NAMESPACE)
                + " valid for getNamespaceURI().");
    }

}
 

/** Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT,
 * this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE. On
 * an END_ELEMENT the count is of the namespaces that are about to go
 * out of scope.  This is the equivalent of the information reported
 * by SAX callback for an end element event.
 * @return returns the number of namespace declarations on this specific element
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public int getNamespaceCount() {
    //namespaceContext is dynamic object.
    //REVISIT: check if it specifies all conditions mentioned in the javadoc
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        return fScanner.getNamespaceContext().getDeclaredPrefixCount() ;
    } else{
        throw new IllegalStateException("Current event state is " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespaceCount()." );
    }
}
 

/** Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT,
 * this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE. On
 * an END_ELEMENT the count is of the namespaces that are about to go
 * out of scope.  This is the equivalent of the information reported
 * by SAX callback for an end element event.
 * @return returns the number of namespace declarations on this specific element
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public int getNamespaceCount() {
    //namespaceContext is dynamic object.
    //REVISIT: check if it specifies all conditions mentioned in the javadoc
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        return fScanner.getNamespaceContext().getDeclaredPrefixCount() ;
    } else{
        throw new IllegalStateException("Current event state is " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespaceCount()." );
    }
}
 

/** Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT,
 * this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE. On
 * an END_ELEMENT the count is of the namespaces that are about to go
 * out of scope.  This is the equivalent of the information reported
 * by SAX callback for an end element event.
 * @return returns the number of namespace declarations on this specific element
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public int getNamespaceCount() {
    //namespaceContext is dynamic object.
    //REVISIT: check if it specifies all conditions mentioned in the javadoc
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        return fScanner.getNamespaceContext().getDeclaredPrefixCount() ;
    } else{
        throw new IllegalStateException("Current event state is " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespaceCount()." );
    }
}
 

/** Returns the prefix for the namespace declared at the
 * index.  Returns null if this is the default namespace
 * declaration
 *
 * @param index the position of the namespace declaration
 * @return returns the namespace prefix
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public String getNamespacePrefix(int index) {
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        //namespaceContext is dynamic object.
        String prefix = fScanner.getNamespaceContext().getDeclaredPrefixAt(index) ;
        return prefix.equals("") ? null : prefix ;
    }
    else{
        throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespacePrefix()." );
    }
}
 

/** Returns the uri for the namespace declared at the
 * index.
 *
 * @param index the position of the namespace declaration
 * @return returns the namespace uri
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public String getNamespaceURI(int index) {
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        //namespaceContext is dynamic object.
        return fScanner.getNamespaceContext().getURI(fScanner.getNamespaceContext().getDeclaredPrefixAt(index));
    }
    else{
        throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespaceURI()." );
    }

}
 

/**
 * Returns the count of namespaces declared on this START_ELEMENT or
 * END_ELEMENT, this method is only valid on a START_ELEMENT, END_ELEMENT or
 * NAMESPACE. On an END_ELEMENT the count is of the namespaces that are
 * about to go out of scope. This is the equivalent of the information
 * reported by SAX callback for an end element event.
 *
 * @return returns the number of namespace declarations on this specific
 * element
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT
 * or NAMESPACE
 */
public int getNamespaceCount() {
    //namespaceContext is dynamic object.
    //REVISIT: check if it specifies all conditions mentioned in the javadoc
    if (fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT
            || fEventType == XMLEvent.NAMESPACE) {
        return fScanner.getNamespaceContext().getDeclaredPrefixCount();
    } else {
        throw new IllegalStateException("Current event state is " + getEventTypeString(fEventType)
                + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
                + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                + getEventTypeString(XMLEvent.NAMESPACE)
                + " valid for getNamespaceCount().");
    }
}
 

/** Returns the prefix for the namespace declared at the
 * index.  Returns null if this is the default namespace
 * declaration
 *
 * @param index the position of the namespace declaration
 * @return returns the namespace prefix
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public String getNamespacePrefix(int index) {
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        //namespaceContext is dynamic object.
        String prefix = fScanner.getNamespaceContext().getDeclaredPrefixAt(index) ;
        return prefix.equals("") ? null : prefix ;
    }
    else{
        throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespacePrefix()." );
    }
}
 

/** Returns the uri for the namespace declared at the
 * index.
 *
 * @param index the position of the namespace declaration
 * @return returns the namespace uri
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public String getNamespaceURI(int index) {
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        //namespaceContext is dynamic object.
        return fScanner.getNamespaceContext().getURI(fScanner.getNamespaceContext().getDeclaredPrefixAt(index));
    }
    else{
        throw new IllegalStateException("Current state " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespaceURI()." );
    }

}
 

/** Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT,
 * this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE. On
 * an END_ELEMENT the count is of the namespaces that are about to go
 * out of scope.  This is the equivalent of the information reported
 * by SAX callback for an end element event.
 * @return returns the number of namespace declarations on this specific element
 * @throws IllegalStateException if this is not a START_ELEMENT, END_ELEMENT or NAMESPACE
 */
public int getNamespaceCount() {
    //namespaceContext is dynamic object.
    //REVISIT: check if it specifies all conditions mentioned in the javadoc
    if(fEventType == XMLEvent.START_ELEMENT || fEventType == XMLEvent.END_ELEMENT || fEventType == XMLEvent.NAMESPACE){
        return fScanner.getNamespaceContext().getDeclaredPrefixCount() ;
    } else{
        throw new IllegalStateException("Current event state is " + getEventTypeString(fEventType)
         + " is not among the states " + getEventTypeString(XMLEvent.START_ELEMENT)
         + ", " + getEventTypeString(XMLEvent.END_ELEMENT) + ", "
                 + getEventTypeString(XMLEvent.NAMESPACE)
         + " valid for getNamespaceCount()." );
    }
}
 

/** A utility function to check if this event is a Namespace.
 * @see Namespace
 */
public boolean isNamespace() {
    return fEventType == XMLEvent.NAMESPACE;
}
 

public int getEventType(){
    return XMLEvent.NAMESPACE;
}
 

/** A utility function to check if this event is a Namespace.
 * @see Namespace
 */
public boolean isNamespace() {
    return fEventType == XMLEvent.NAMESPACE;
}
 

public int getEventType(){
    return XMLEvent.NAMESPACE;
}
 

/** A utility function to check if this event is a Namespace.
 * @see Namespace
 */
public boolean isNamespace() {
    return fEventType == XMLEvent.NAMESPACE;
}
 

public int getEventType(){
    return XMLEvent.NAMESPACE;
}
 

public int getEventType(){
    return XMLEvent.NAMESPACE;
}
 

/** A utility function to check if this event is a Namespace.
 * @see Namespace
 */
public boolean isNamespace() {
    return fEventType == XMLEvent.NAMESPACE;
}
 

/** A utility function to check if this event is a Namespace.
 * @see Namespace
 */
public boolean isNamespace() {
    return fEventType == XMLEvent.NAMESPACE;
}
 

/**
 * Compares two {@link XMLEvent} instances. This method delegates actual
 * matching to the appropriate overloaded method.
 * 
 * @param a
 *            The first event.
 * @param b
 *            The second event.
 * @return <code>true</code> if the events match, <code>false</code>
 *         otherwise.
 */
public static boolean eventsMatch(XMLEvent a, XMLEvent b) {

	if (a == b) {

		return true;

	} else if (a == null || b == null) {

		return false;

	} else if (a.getEventType() == b.getEventType()) {

		switch (a.getEventType()) {

		case XMLEvent.START_ELEMENT:
			return eventsMatch(a.asStartElement(), b.asStartElement());

		case XMLEvent.END_ELEMENT:
			return eventsMatch(a.asEndElement(), b.asEndElement());

		case XMLEvent.CDATA:
		case XMLEvent.SPACE:
		case XMLEvent.CHARACTERS:
			return eventsMatch(a.asCharacters(), b.asCharacters());

		case XMLEvent.COMMENT:
			return eventsMatch((Comment) a, (Comment) b);

		case XMLEvent.ENTITY_REFERENCE:
			return eventsMatch((EntityReference) a, (EntityReference) b);

		case XMLEvent.ATTRIBUTE:
			return eventsMatch((Attribute) a, (Attribute) b);

		case XMLEvent.NAMESPACE:
			return eventsMatch((Namespace) a, (Namespace) b);

		case XMLEvent.START_DOCUMENT:
			return eventsMatch((StartDocument) a, (StartDocument) b);

		case XMLEvent.END_DOCUMENT:
			return eventsMatch((EndDocument) a, (EndDocument) b);

		case XMLEvent.PROCESSING_INSTRUCTION:
			return eventsMatch((ProcessingInstruction) a, (ProcessingInstruction) b);

		case XMLEvent.DTD:
			return eventsMatch((DTD) a, (DTD) b);

		case XMLEvent.ENTITY_DECLARATION:
			return eventsMatch((EntityDeclaration) a, (EntityDeclaration) b);

		case XMLEvent.NOTATION_DECLARATION:
			return eventsMatch((NotationDeclaration) a, (NotationDeclaration) b);

		}

	}

	return false;

}