Example usage for java.util List isEmpty

Introduction

In this page you can find the example usage for java.util List isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:com.haulmont.cuba.core.sys.jpql.Parser.java

private static void checkTreeForExceptions(String input, CommonTree tree) {
    TreeVisitor visitor = new TreeVisitor();
    ErrorNodesFinder errorNodesFinder = new ErrorNodesFinder();
    visitor.visit(tree, errorNodesFinder);

    List<ErrorRec> errors = errorNodesFinder.getErrorNodes().stream()
            .map(node -> new ErrorRec(node, "CommonErrorNode")).collect(Collectors.toList());

    if (!errors.isEmpty()) {
        throw new JpqlSyntaxException(
                String.format("Errors found for input jpql:[%s]", StringUtils.strip(input)), errors);
    }/* ww  w .j a v a  2 s  .co  m*/
}

From source file:grandroid.geo.Geocoder.java

public static String convertAddress(double lat, double lng, boolean nation, boolean city, boolean district,
        boolean street) throws Exception {
    List<Address> adds = getFromLocation(lat, lng, 1);
    if (adds == null || adds.isEmpty()) {
        throw new Exception("no address can be found");
    } else {//from  w w w. j av  a 2 s  .c  o m
        Address add = adds.get(0);
        StringBuilder sb = new StringBuilder();
        if (nation) {
            sb.append(add.getCountryName());
        }
        if (city) {
            sb.append(add.getAdminArea());
        }
        if (district) {
            sb.append(add.getLocality());
        }
        if (street) {
            sb.append(add.getAddressLine(0));
        }
        return sb.toString();
    }
}

From source file:com.wudaosoft.net.httpclient.ParameterRequestBuilder.java

public static HttpUriRequest build(RequestBuilder builder) {

    final HttpRequestBase result;
    URI uriNotNull = builder.getUri() != null ? builder.getUri() : URI.create("/");
    Charset charset = builder.getCharset();
    charset = charset != null ? charset : HTTP.DEF_CONTENT_CHARSET;
    String method = builder.getMethod();
    List<NameValuePair> parameters = builder.getParameters();
    HttpEntity entityCopy = builder.getEntity();

    if (parameters != null && !parameters.isEmpty()) {
        if (entityCopy == null && (HttpPost.METHOD_NAME.equalsIgnoreCase(method)
                || HttpPut.METHOD_NAME.equalsIgnoreCase(method)
                || HttpPatch.METHOD_NAME.equalsIgnoreCase(method))) {
            entityCopy = new UrlEncodedFormEntity(parameters, charset);
        } else {//from  w w  w.j  a  va  2  s .  c  om
            try {
                uriNotNull = new URIBuilder(uriNotNull).setCharset(charset).addParameters(parameters).build();
            } catch (final URISyntaxException ex) {
                // should never happen
            }
        }
    }

    if (entityCopy == null) {
        result = new InternalRequest(method);
    } else {
        final InternalEntityEclosingRequest request = new InternalEntityEclosingRequest(method);
        request.setEntity(entityCopy);
        result = request;
    }
    result.setProtocolVersion(builder.getVersion());
    result.setURI(uriNotNull);
    // if (builder.headergroup != null) {
    // result.setHeaders(builder.headergroup.getAllHeaders());
    // }
    result.setConfig(builder.getConfig());
    return result;
}

From source file:it.serverSystem.ClusterTest.java

private static String getPropertyValue(Orchestrator web, String property) {
    Settings.ValuesWsResponse response = ItUtils.newAdminWsClient(web).settingsService()
            .values(ValuesRequest.builder().setKeys(property).build());
    List<Settings.Setting> settingsList = response.getSettingsList();
    if (settingsList.isEmpty()) {
        return null;
    }/*w w w.j  a va 2s  .  c o m*/
    assertThat(settingsList).hasSize(1);
    return settingsList.iterator().next().getValue();
}

From source file:it.settings.SettingsTest.java

@CheckForNull
private static Setting getSetting(String key, SettingsService settingsService) {
    ValuesWsResponse response = settingsService.values(ValuesRequest.builder().setKeys(key).build());
    List<Settings.Setting> settings = response.getSettingsList();
    return settings.isEmpty() ? null : settings.get(0);
}

From source file:springfox.documentation.spring.web.scanners.ApiListingScanner.java

static String longestCommonPath(List<ApiDescription> apiDescriptions) {
    List<String> commons = newArrayList();
    if (null == apiDescriptions || apiDescriptions.isEmpty()) {
        return null;
    }//from   ww  w. jav  a2s  .  c om
    List<String> firstWords = urlParts(apiDescriptions.get(0));

    for (int position = 0; position < firstWords.size(); position++) {
        String word = firstWords.get(position);
        boolean allContain = true;
        for (int i = 1; i < apiDescriptions.size(); i++) {
            List<String> words = urlParts(apiDescriptions.get(i));
            if (words.size() < position + 1 || !words.get(position).equals(word)) {
                allContain = false;
                break;
            }
        }
        if (allContain) {
            commons.add(word);
        }
    }
    Joiner joiner = Joiner.on("/").skipNulls();
    return "/" + joiner.join(commons);
}

From source file:Main.java

/**
 * Checks if string representation corresponds to the collection. Parts of an expected collection should not contain
 * delimiter.// w ww .  ja va 2  s.com
 */
public static boolean isStringPermutationOfCollection(String input, Collection<String> expected,
        String delimeter, int trimFromStart, int trimFromEnd) {
    input = input.substring(trimFromStart, input.length() - trimFromEnd);
    List<String> parts = new ArrayList<>(Arrays.asList(input.split(Pattern.quote(delimeter))));
    for (String part : expected) {
        if (parts.contains(part)) {
            parts.remove(part);
        }
    }
    return parts.isEmpty();
}

From source file:com.izforge.izpack.panels.target.TargetPanelHelper.java

/**
 * Returns the installation path for the specified platform name.
 * <p/>//  ww  w . j a v  a 2s .  c om
 * This looks for a variable named {@code TargetPanel.dir.<platform name>}. If none is found, it searches the
 * parent platforms, in a breadth-first manner.
 *
 * @param installData the installation data
 * @param name        the platform name
 * @return the default path, or {@code null} if none is found
 */
private static String getTargetPanelDir(InstallData installData, Platform.Name name) {
    String path = null;
    List<Platform.Name> queue = new ArrayList<Platform.Name>();
    queue.add(name);
    while (!queue.isEmpty()) {
        name = queue.remove(0);
        path = installData.getVariable(PREFIX + name.toString().toLowerCase());
        if (path != null) {
            break;
        }
        Collections.addAll(queue, name.getParents());
    }
    return path;
}

From source file:com.espertech.esper.core.start.EPStatementStartMethodHelperPrevious.java

private static void handlePrevious(List<ExprPreviousNode> previousRequests, Object previousNodeGetter,
        Map<ExprPreviousNode, ExprPreviousEvalStrategy> strategies) {

    if (previousRequests.isEmpty()) {
        return;/*from   www .  j  a  v  a2  s . c  o m*/
    }

    RandomAccessByIndexGetter randomAccessGetter = null;
    RelativeAccessByEventNIndexMap relativeAccessGetter = null;
    if (previousNodeGetter instanceof RandomAccessByIndexGetter) {
        randomAccessGetter = (RandomAccessByIndexGetter) previousNodeGetter;
    } else if (previousNodeGetter instanceof RelativeAccessByEventNIndexMap) {
        relativeAccessGetter = (RelativeAccessByEventNIndexMap) previousNodeGetter;
    } else {
        throw new RuntimeException("Unexpected 'previous' handler: " + previousNodeGetter);
    }

    for (ExprPreviousNode previousNode : previousRequests) {
        int streamNumber = previousNode.getStreamNumber();
        PreviousType previousType = previousNode.getPreviousType();
        ExprPreviousEvalStrategy evaluator;

        if (previousType == PreviousType.PREVWINDOW) {
            evaluator = new ExprPreviousEvalStrategyWindow(streamNumber,
                    previousNode.getChildNodes()[1].getExprEvaluator(),
                    previousNode.getResultType().getComponentType(), randomAccessGetter, relativeAccessGetter);
        } else if (previousType == PreviousType.PREVCOUNT) {
            evaluator = new ExprPreviousEvalStrategyCount(streamNumber, randomAccessGetter,
                    relativeAccessGetter);
        } else {
            evaluator = new ExprPreviousEvalStrategyPrev(streamNumber,
                    previousNode.getChildNodes()[0].getExprEvaluator(),
                    previousNode.getChildNodes()[1].getExprEvaluator(), randomAccessGetter,
                    relativeAccessGetter, previousNode.isConstantIndex(), previousNode.getConstantIndexNumber(),
                    previousType == PreviousType.PREVTAIL);
        }

        strategies.put(previousNode, evaluator);
    }
}

From source file:ibeam.maven.plugins.Tools.java

/**
 * Implementation of the isNullOrEmpty check for the Lists. 
 * /*from  w  w w .j  a  v  a2  s.c  o  m*/
 * @param list
 * @return true if the given List is null or is an empty List, false otherwise.
 */
public static boolean isNullOrEmpty(final List<?> list) {

    return list == null || list.isEmpty();
}