Example usage for javax.naming CommunicationException toString

Introduction

In this page you can find the example usage for javax.naming CommunicationException toString.

Prototype

public String toString() 

Source Link

Document

Generates the string representation of this exception.

Usage

From source file:org.lsc.jndi.JndiServices.java

public Map<String, LscDatasets> doGetAttrsList(final String base, final String filter, final int scope,
        final List<String> attrsNames) throws NamingException {

    // sanity checks
    String searchBase = base == null ? "" : rewriteBase(base);
    String searchFilter = filter == null ? DEFAULT_FILTER : filter;

    Map<String, LscDatasets> res = new LinkedHashMap<String, LscDatasets>();

    if (attrsNames == null || attrsNames.size() == 0) {
        LOGGER.error("No attribute names to read! Check configuration.");
        return res;
    }/*from w  w  w  . j a v  a  2 s  . c  o m*/

    String[] attributes = new String[attrsNames.size()];
    attributes = attrsNames.toArray(attributes);

    SearchControls constraints = new SearchControls();
    constraints.setDerefLinkFlag(false);
    constraints.setReturningAttributes(attributes);
    constraints.setSearchScope(scope);
    constraints.setReturningObjFlag(true);

    try {
        boolean requestPagedResults = false;

        List<Control> extControls = new ArrayList<Control>();

        if (pageSize > 0) {
            requestPagedResults = true;
            LOGGER.debug("Using pagedResults control for {} entries at a time", pageSize);
        }

        if (requestPagedResults) {
            extControls.add(new PagedResultsControl(pageSize, Control.CRITICAL));
        }

        if (sortedBy != null) {
            extControls.add(new SortControl(sortedBy, Control.CRITICAL));
        }

        if (extControls.size() > 0) {
            ctx.setRequestControls(extControls.toArray(new Control[extControls.size()]));
        }

        byte[] pagedResultsResponse = null;
        do {
            NamingEnumeration<SearchResult> results = ctx.search(searchBase, searchFilter, constraints);

            if (results != null) {
                Map<String, Object> attrsValues = null;
                while (results.hasMoreElements()) {
                    attrsValues = new HashMap<String, Object>();

                    SearchResult ldapResult = (SearchResult) results.next();

                    // get the value for each attribute requested
                    for (String attributeName : attrsNames) {
                        Attribute attr = ldapResult.getAttributes().get(attributeName);
                        if (attr != null && attr.get() != null) {
                            attrsValues.put(attributeName, attr.get());
                        }
                    }

                    res.put(ldapResult.getNameInNamespace(), new LscDatasets(attrsValues));
                }
            }

            Control[] respCtls = ctx.getResponseControls();
            if (respCtls != null) {
                for (Control respCtl : respCtls) {
                    if (requestPagedResults && respCtl instanceof PagedResultsResponseControl) {
                        pagedResultsResponse = ((PagedResultsResponseControl) respCtl).getCookie();
                    }
                }
            }

            if (requestPagedResults && pagedResultsResponse != null) {
                ctx.setRequestControls(new Control[] {
                        new PagedResultsControl(pageSize, pagedResultsResponse, Control.CRITICAL) });
            }

        } while (pagedResultsResponse != null);

        // clear requestControls for future use of the JNDI context
        if (requestPagedResults) {
            ctx.setRequestControls(null);
        }
    } catch (CommunicationException e) {
        // Avoid handling the communication exception as a generic one
        throw e;
    } catch (ServiceUnavailableException e) {
        // Avoid handling the service unavailable exception as a generic one
        throw e;
    } catch (NamingException e) {
        // clear requestControls for future use of the JNDI context
        ctx.setRequestControls(null);
        LOGGER.error(e.toString());
        LOGGER.debug(e.toString(), e);

    } catch (IOException e) {
        // clear requestControls for future use of the JNDI context
        ctx.setRequestControls(null);
        LOGGER.error(e.toString());
        LOGGER.debug(e.toString(), e);
    }
    return res;
}

---