java.util.Vector#listIterator ( )源码实例Demo

public void add(AddInterceptorChain chain, Entry entry,
		LDAPConstraints constraints) throws LDAPException {
		
		DN dn = new DN(entry.getEntry().getDN());
		Vector<RDN> rdns = dn.getRDNs();
		ListIterator it = rdns.listIterator();
		DN newDN = new DN();
		while (it.hasNext()) {
			RDN rdn = (RDN) it.next();
			if (! this.attribsToRemove.contains(rdn.getType().toLowerCase())) {
				newDN.addRDNToBack(rdn);
			}
			
			if (this.attribsToStore.contains(rdn.getType().toLowerCase())) {
				entry.getEntry().getAttributeSet().add(new LDAPAttribute(rdn.getType(),rdn.getValue()));
			}
		}
		
		entry.setDN(newDN);
		
		chain.nextAdd(entry,constraints);

}
 

public void delete(DeleteInterceptorChain chain, DistinguishedName dn,
		LDAPConstraints constraints) throws LDAPException {
	
		
		Vector<RDN> rdns = dn.getDN().getRDNs();
		ListIterator it = rdns.listIterator();
		DN newDN = new DN();
		while (it.hasNext()) {
			RDN rdn = (RDN) it.next();
			if (! this.attribsToRemove.contains(rdn.getType().toLowerCase())) {
				newDN.addRDN(rdn);
			}
		}
		
		chain.nextDelete(dn,constraints);
}
 

public void add(AddInterceptorChain chain, Entry entry,
		LDAPConstraints constraints) throws LDAPException {
		
		DN dn = new DN(entry.getEntry().getDN());
		Vector<RDN> rdns = dn.getRDNs();
		ListIterator it = rdns.listIterator();
		DN newDN = new DN();
		while (it.hasNext()) {
			RDN rdn = (RDN) it.next();
			if (! this.attribsToRemove.contains(rdn.getType().toLowerCase())) {
				newDN.addRDNToBack(rdn);
			}
			
			if (this.attribsToStore.contains(rdn.getType().toLowerCase())) {
				entry.getEntry().getAttributeSet().add(new LDAPAttribute(rdn.getType(),rdn.getValue()));
			}
		}
		
		entry.setDN(newDN);
		
		chain.nextAdd(entry,constraints);

}
 

public void delete(DeleteInterceptorChain chain, DistinguishedName dn,
		LDAPConstraints constraints) throws LDAPException {
	
		
		Vector<RDN> rdns = dn.getDN().getRDNs();
		ListIterator it = rdns.listIterator();
		DN newDN = new DN();
		while (it.hasNext()) {
			RDN rdn = (RDN) it.next();
			if (! this.attribsToRemove.contains(rdn.getType().toLowerCase())) {
				newDN.addRDN(rdn);
			}
		}
		
		chain.nextDelete(dn,constraints);
}
 

/**
 * This will produce a List of Hashtables, each hashtable contains the initialization info for a particular resource loader. This
 * Hashtable will be passed in when initializing the the template loader.
 */
private void assembleResourceLoaderInitializers()
{
    Vector resourceLoaderNames = rsvc.getConfiguration().getVector(RuntimeConstants.RESOURCE_LOADERS);

    for (ListIterator<String> it = resourceLoaderNames.listIterator(); it.hasNext(); )
    {
        /*
         * The loader id might look something like the following:
         *
         * resource.loader.file
         *
         * The loader id is the prefix used for all properties
         * pertaining to a particular loader.
         */
        String loaderName = StringUtils.trim(it.next());
        it.set(loaderName);
        StringBuilder loaderID = new StringBuilder();
        loaderID.append(RuntimeConstants.RESOURCE_LOADER).append('.').append(loaderName);

        ExtProperties loaderConfiguration =
    		rsvc.getConfiguration().subset(loaderID.toString());

        /*
         *  we can't really count on ExtProperties to give us an empty set
         */
        if (loaderConfiguration == null)
        {
            log.debug("ResourceManager : No configuration information found "+
                      "for resource loader named '{}' (id is {}). Skipping it...",
                      loaderName, loaderID);
            continue;
        }

        /*
         *  add the loader name token to the initializer if we need it
         *  for reference later. We can't count on the user to fill
         *  in the 'name' field
         */

        loaderConfiguration.setProperty(RuntimeConstants.RESOURCE_LOADER_IDENTIFIER, loaderName);

        /*
         * Add resources to the list of resource loader
         * initializers.
         */
        sourceInitializerList.add(loaderConfiguration);
    }
}