/**
* Returns an {@code Enumeration} that contains all of the loaded JDBC
* drivers that the current caller can access.
*
* @return An {@code Enumeration} containing all the currently loaded JDBC
* {@code Drivers}.
*/
public static java.util.Enumeration <Driver> getDrivers()
{
java.lang.ClassLoader callerClassLoader = java.lang.Runtime.getRuntime().getClass().getClassLoader();// Basties note: sometime do the same as VM.callerClassLoader();
/*
* Synchronize to avoid clashes with additions and removals of drivers
* in the DriverSet
*/
lock (theDrivers)
{
/*
* Create the Enumeration by building a Vector from the elements of
* the DriverSet
*/
java.util.Vector <Driver> theVector = new java.util.Vector <Driver>();
java.util.Iterator <Driver> theIterator = theDrivers.iterator();
while (theIterator.hasNext())
{
Driver theDriver = theIterator.next();
if (DriverManager.isClassFromClassLoader(theDriver,
callerClassLoader))
{
theVector.add(theDriver);
}
}
return(theVector.elements());
}
}
/**
* Constructs a new {@code SequenceInputStream} using the two streams
* {@code s1} and {@code s2} as the sequence of streams to read from.
*
* @param s1
* the first stream to get bytes from.
* @param s2
* the second stream to get bytes from.
* @throws NullPointerException
* if {@code s1} is {@code null}.
*/
public SequenceInputStream(InputStream s1, InputStream s2)
{
if (s1 == null) {
throw new java.lang.NullPointerException ();
}
java.util.Vector<InputStream> inVector = new java.util.Vector<InputStream> (1);
inVector.addElement (s2);
e = inVector.elements ();
inJ = s1;
}
/**
* Constructs a new {@code SequenceInputStream} using the two streams
* {@code s1} and {@code s2} as the sequence of streams to read from.
*
* @param s1
* the first stream to get bytes from.
* @param s2
* the second stream to get bytes from.
* @throws NullPointerException
* if {@code s1} is {@code null}.
*/
public SequenceInputStream(InputStream s1, InputStream s2)
{
if (s1 == null)
{
throw new java.lang.NullPointerException();
}
java.util.Vector <InputStream> inVector = new java.util.Vector <InputStream> (1);
inVector.addElement(s2);
e = inVector.elements();
inJ = s1;
}
/*
* Return anjava.util.Enumeration<Object> of all prefixes for a given URI whose
* declarations are active in the current context.
* This includes declarations from parent contexts that have
* not been overridden.
*
* <p/>This method returns prefixes mapped to a specific Namespace
* URI. The xml: prefix will be included. If you want only one
* prefix that's mapped to the Namespace URI, and you don't care
* which one you get, use the {@link #getPrefix getPrefix}
* method instead.
*
* <p/><strong>Note:</strong> the empty (default) prefix is <em>never</em> included
* in thisjava.util.Enumeration<Object>; to check for the presence of a default
* Namespace, use the {@link #getURI getURI} method with an
* argument of "".
*
* @param uri The Namespace URI.
* @return Anjava.util.Enumeration<Object> of prefixes (never empty).
* @see #getPrefix
* @see #getDeclaredPrefixes
* @see #getURI
*/
public java.util.Enumeration <Object> getPrefixes(String uri)
{
java.util.Vector <Object> prefixes = new java.util.Vector <Object>();
java.util.Enumeration <Object> allPrefixes = getPrefixes();
while (allPrefixes.hasMoreElements())
{
String prefix = (String)allPrefixes.nextElement();
if (uri.equals(getURI(prefix)))
{
prefixes.addElement(prefix);
}
}
return(prefixes.elements());
}
/**
* Returns an enumeration for the collection of permissions.
*
* @return a permission enumeration for this permission collection.
* @see java.security.PermissionCollection#elements()
*/
public override java.util.Enumeration <java.security.Permission> elements()
{
return(permissions.elements());
}
/**
* Returns an {@code Enumeration} that contains all of the loaded JDBC
* drivers that the current caller can access.
*
* @return An {@code Enumeration} containing all the currently loaded JDBC
* {@code Drivers}.
*/
public static java.util.Enumeration<Driver> getDrivers()
{
java.lang.ClassLoader callerClassLoader = java.lang.Runtime.getRuntime().getClass().getClassLoader();// Basties note: sometime do the same as VM.callerClassLoader();
/*
* Synchronize to avoid clashes with additions and removals of drivers
* in the DriverSet
*/
lock (theDrivers)
{
/*
* Create the Enumeration by building a Vector from the elements of
* the DriverSet
*/
java.util.Vector<Driver> theVector = new java.util.Vector<Driver>();
java.util.Iterator<Driver> theIterator = theDrivers.iterator();
while (theIterator.hasNext())
{
Driver theDriver = theIterator.next();
if (DriverManager.isClassFromClassLoader(theDriver,
callerClassLoader))
{
theVector.add(theDriver);
}
}
return theVector.elements();
}
}
/**
* Return anjava.util.Enumeration<Object> of all prefixes for a given URI whose
* declarations are active in the current context.
* This includes declarations from parent contexts that have
* not been overridden.
*
* <p/>This method returns prefixes mapped to a specific Namespace
* URI. The xml: prefix will be included. If you want only one
* prefix that's mapped to the Namespace URI, and you don't care
* which one you get, use the {@link #getPrefix getPrefix}
* method instead.
*
* <p/><strong>Note:</strong> the empty (default) prefix is <em>never</em> included
* in thisjava.util.Enumeration<Object>; to check for the presence of a default
* Namespace, use the {@link #getURI getURI} method with an
* argument of "".
*
* @param uri The Namespace URI.
* @return Anjava.util.Enumeration<Object> of prefixes (never empty).
* @see #getPrefix
* @see #getDeclaredPrefixes
* @see #getURI
*/
public java.util.Enumeration<Object> getPrefixes(String uri)
{
java.util.Vector<Object> prefixes = new java.util.Vector<Object>();
java.util.Enumeration<Object> allPrefixes = getPrefixes();
while (allPrefixes.hasMoreElements()) {
String prefix = (String)allPrefixes.nextElement();
if (uri.equals(getURI(prefix))) {
prefixes.addElement(prefix);
}
}
return prefixes.elements();
}