Example usage for java.util Collection toString

Introduction

In this page you can find the example usage for java.util Collection toString.

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:com.kelveden.rastajax.cli.Runner.java

private static File findWar() {
    final Collection<File> wars = FileUtils.listFiles(new File(System.getProperty("user.dir")),
            new String[] { "war" }, true);

    LOGGER.info("Found the following wars: " + wars.toString());

    if (wars.size() > 0) {
        return wars.iterator().next();
    } else {/*from   w w  w.j a v a 2s  .c  o m*/
        return null;
    }
}

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From source file:it.attocchi.utils.ListUtils.java

/**
 * //from   w  ww  .j ava  2 s.c o m
 * @param aListOfString
 * @return [string, string, ... ]
 */
public static <T> String toCommaSepared(Collection<T> aListOfString) {
    String res = "";
    if (isNotEmpty(aListOfString)) {
        res = aListOfString.toString();
    }
    return res;
}

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From source file:nc.noumea.mairie.organigramme.core.utility.OrganigrammeUtil.java

/**
 * Mthode pour "charger" une collection, pour viter pb de lazy loading
 * /*  w  w w . ja v  a  2  s  .  com*/
 * @param collection
 *            collection  charger
 */
public static void chargeCollection(@SuppressWarnings("rawtypes") Collection collection) {
    // ne pas enlever cette ligne de debug, volontaire
    if (collection != null) {
        LOGGER.debug(collection.toString());
    }
}

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From source file:Main.java

/**
 * Make the log more meanings//  w  w  w  . java  2s  .  c o m
 * 
 * @param <E>
 * @param collec
 * @return
 */
public static <E> String toLog(String separator, Collection<E> collec) {
    // using StringBuffer instead of String because expect there are many append operation
    StringBuffer sb = new StringBuffer();

    if (collec == null) {
        return null;
    }
    if (collec.isEmpty()) {
        return collec.toString();
    }
    sb.append("[");
    for (Iterator<E> iterator = collec.iterator(); iterator.hasNext();) {
        E value = iterator.next();
        sb.append(separator).append(toString4Log(value)).append(separator);
        if (iterator.hasNext()) {
            sb.append(", ");
        }
    }

    sb.append("]");
    return sb.toString();
}

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From source file:Main.java

/**
 * Create a textual representation of the given collection, separating the individual elements by the provided separator.
 * // w w w  . j a  v a 2 s  .c  om
 * @param collection
 *            the collection to represent as text
 * @param separator
 *            the separator to include between elements of the collection
 * @return the colleciton's textual representation (or an empty String if the collection is {@code null} or empty)
 */
public static String toString(final Collection<?> collection, final String separator) {
    if (collection == null || collection.isEmpty()) {
        // just return an empty String if the collection is null or empty
        return "";
    }
    if (separator == null) {
        // fall back to the collection's toString() method if no custom separator has been specified
        return collection.toString();
    }
    // guess at a meaningful initial size
    final StringBuilder builder = new StringBuilder(collection.size() * (16 + separator.length()));
    boolean addSeparator = false;
    // iterate over the individual elements
    for (final Object collectionElement : collection) {
        if (addSeparator) {
            builder.append(separator);
        } else {
            addSeparator = true;
        }
        // null elements are treated as empty Strings
        if (collectionElement != null) {
            builder.append(collectionElement.toString());
        }
    }
    return builder.toString();
}

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From source file:org.apache.hadoop.yarn.conf.HAUtil.java

private static void verifyAndSetCurrentRMHAId(Configuration conf) {
    String rmId = getRMHAId(conf);
    if (rmId == null) {
        StringBuilder msg = new StringBuilder();
        msg.append("Can not find valid RM_HA_ID. None of ");
        for (String id : conf.getTrimmedStringCollection(YarnConfiguration.RM_HA_IDS)) {
            msg.append(addSuffix(YarnConfiguration.RM_ADDRESS, id) + " ");
        }/*w w  w.  j a va2s.co m*/
        msg.append(" are matching" + " the local address OR " + YarnConfiguration.RM_HA_ID + " is not"
                + " specified in HA Configuration");
        throwBadConfigurationException(msg.toString());
    } else {
        Collection<String> ids = getRMHAIds(conf);
        if (!ids.contains(rmId)) {
            throwBadConfigurationException(getRMHAIdNeedToBeIncludedMessage(ids.toString(), rmId));
        }
    }
    conf.set(YarnConfiguration.RM_HA_ID, rmId);
}

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From source file:com.evolveum.midpoint.gui.api.component.result.OpResult.java

public static OpResult getOpResult(PageBase page, OperationResult result) {
    OpResult opResult = new OpResult();
    Validate.notNull(result, "Operation result must not be null.");
    Validate.notNull(result.getStatus(), "Operation result status must not be null.");

    if (result.getCause() != null && result.getCause() instanceof CommonException) {
        LocalizableMessage localizableMessage = ((CommonException) result.getCause()).getUserFriendlyMessage();
        if (localizableMessage != null) {
            opResult.message = WebComponentUtil.resolveLocalizableMessage(localizableMessage, page);

            // Exclamation code:
            //                String key = localizableMessage.getKey() != null ? localizableMessage.getKey() : localizableMessage.getFallbackMessage();
            //              StringResourceModel stringResourceModel = new StringResourceModel(key, page).setModel(new Model<String>()).setDefaultValue(localizableMessage.getFallbackMessage())
            //            .setParameters(localizableMessage.getArgs());
            //              opResult.message = stringResourceModel.getString();
        }/*from   w  w w  .j a  va2  s . c  o  m*/
    }

    if (opResult.message == null) {
        opResult.message = result.getMessage();
    }
    opResult.operation = result.getOperation();
    opResult.status = result.getStatus();
    opResult.count = result.getCount();
    opResult.userFriendlyMessage = result.getUserFriendlyMessage();

    if (result.getCause() != null) {
        Throwable cause = result.getCause();
        opResult.exceptionMessage = cause.getMessage();

        Writer writer = new StringWriter();
        cause.printStackTrace(new PrintWriter(writer));
        opResult.exceptionsStackTrace = writer.toString();
    }

    if (result.getParams() != null) {
        for (Map.Entry<String, Collection<String>> entry : result.getParams().entrySet()) {
            String paramValue = null;
            Collection<String> values = entry.getValue();
            if (values != null) {
                paramValue = values.toString();
            }

            opResult.getParams().add(new Param(entry.getKey(), paramValue));
        }
    }

    if (result.getContext() != null) {
        for (Map.Entry<String, Collection<String>> entry : result.getContext().entrySet()) {
            String contextValue = null;
            Collection<String> values = entry.getValue();
            if (values != null) {
                contextValue = values.toString();
            }

            opResult.getContexts().add(new Context(entry.getKey(), contextValue));
        }
    }

    if (result.getSubresults() != null) {
        for (OperationResult subresult : result.getSubresults()) {
            OpResult subOpResult = OpResult.getOpResult(page, subresult);
            opResult.getSubresults().add(subOpResult);
            subOpResult.parent = opResult;
            if (subOpResult.getBackgroundTaskOid() != null) {
                opResult.backgroundTaskOid = subOpResult.getBackgroundTaskOid();
            }
        }
    }

    if (result.getBackgroundTaskOid() != null) {
        opResult.backgroundTaskOid = result.getBackgroundTaskOid();
    }

    try {
        OperationResultType resultType = result.createOperationResultType();
        ObjectFactory of = new ObjectFactory();
        opResult.xml = page.getPrismContext().xmlSerializer().serialize(of.createOperationResult(resultType));
    } catch (SchemaException | RuntimeException ex) {
        String m = "Can't create xml: " + ex;
        //         error(m);
        opResult.xml = "<?xml version='1.0'?><message>" + StringEscapeUtils.escapeXml(m) + "</message>";
        //            throw ex;
    }
    return opResult;
}

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From source file:com.msopentech.odatajclient.engine.communication.request.batch.ODataBatchUtilities.java

/**
 * Retrieved batch boundary from the given content-type header values.
 *
 * @param contentType content-types./*from w ww  .j  av  a  2 s. co m*/
 * @return batch boundary.
 */
public static String getBoundaryFromHeader(final Collection<String> contentType) {
    final String boundaryKey = ODataBatchConstants.BOUNDARY + "=";

    if (contentType == null || contentType.isEmpty() || !contentType.toString().contains(boundaryKey)) {
        throw new IllegalArgumentException("Invalid content type");
    }

    final String headerValue = contentType.toString();

    final int start = headerValue.indexOf(boundaryKey) + boundaryKey.length();
    int end = headerValue.indexOf(';', start);

    if (end < 0) {
        end = headerValue.indexOf(']', start);
    }

    final String res = headerValue.substring(start, end);
    return res.startsWith("--") ? res : "--" + res;
}

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From source file:org.springframework.security.web.authentication.preauth.websphere.DefaultWASUsernameAndGroupsExtractor.java

/**
 * Get the WebSphere group names for the given security name.
 *
 * @param securityName The security name for which to retrieve the WebSphere group
 * names//from  w w  w.  jav a  2s .  c  om
 * @return the WebSphere group names for the given security name
 */
@SuppressWarnings("unchecked")
private static List<String> getWebSphereGroups(final String securityName) {
    Context ic = null;
    try {
        // TODO: Cache UserRegistry object
        ic = new InitialContext();
        Object objRef = ic.lookup(USER_REGISTRY);
        Object userReg = invokeMethod(getNarrowMethod(), null, objRef,
                Class.forName("com.ibm.websphere.security.UserRegistry"));
        if (logger.isDebugEnabled()) {
            logger.debug("Determining WebSphere groups for user " + securityName
                    + " using WebSphere UserRegistry " + userReg);
        }
        final Collection groups = (Collection) invokeMethod(getGroupsForUserMethod(), userReg,
                new Object[] { securityName });
        if (logger.isDebugEnabled()) {
            logger.debug("Groups for user " + securityName + ": " + groups.toString());
        }

        return new ArrayList(groups);
    } catch (Exception e) {
        logger.error("Exception occured while looking up groups for user", e);
        throw new RuntimeException("Exception occured while looking up groups for user", e);
    } finally {
        try {
            if (ic != null) {
                ic.close();
            }
        } catch (NamingException e) {
            logger.debug("Exception occured while closing context", e);
        }
    }
}

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From source file:com._4dconcept.springframework.data.marklogic.repository.config.MarklogicRepositoryConfigurationExtensionTest.java

private static void assertHasRepo(Class<?> repositoryInterface,
        Collection<RepositoryConfiguration<RepositoryConfigurationSource>> configs) {

    for (RepositoryConfiguration<?> config : configs) {
        if (config.getRepositoryInterface().equals(repositoryInterface.getName())) {
            return;
        }//from  ww w  . ja va2s .  co m
    }

    fail("Expected to find config for repository interface ".concat(repositoryInterface.getName())
            .concat(" but got ").concat(configs.toString()));
}

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