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Fixed literal string comparison.

Browse Source 
This line is in the form of
String str = ...
str.equals("someOtherString");
//or
str.compareTo("someOtherString");

A NullPointerException may occur if the String variable str is null. If instead the code was restructured to
String str = ...
"someOtherString".equals(str);
//or
"someOtherString".compareTo(str);
that is, call equals() or compareTo() on the string literal, passing the variable as an argument, this exception could never happen as both equals() and compareTo() check for null.
This commit is contained in:
Timo Briddigkeit 2016-07-15 16:25:31 +02:00
parent 0ac4752b2b
commit ed07774552
14 changed files with 46 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
components/apimgt-extensions/org.wso2.carbon.apimgt.application.extension.api/src/main/java/org/wso2/carbon/apimgt/application/extension/api/ApiApplicationRegistrationServiceImpl.java
View File

@ -22,13 +22,13 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.simple.JSONObject;
import org.wso2.carbon.apimgt.application.extension.APIManagementProviderService;
import org.wso2.carbon.apimgt.application.extension.api.util.APIUtil;
import org.wso2.carbon.apimgt.application.extension.api.util.RegistrationProfile;
import org.wso2.carbon.apimgt.application.extension.constants.ApiApplicationConstants;
import org.wso2.carbon.apimgt.application.extension.dto.ApiApplicationKey;
import org.wso2.carbon.apimgt.application.extension.exception.APIManagerException;
import org.wso2.carbon.base.MultitenantConstants;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.apimgt.application.extension.api.util.APIUtil;
import org.wso2.carbon.user.api.UserStoreException;
import javax.ws.rs.DELETE;
@ -46,7 +46,7 @@ public class ApiApplicationRegistrationServiceImpl implements ApiApplicationRegi
public Response register(@QueryParam("tenantDomain") String tenantDomain,
@QueryParam("applicationName") String applicationName) {
String authenticatedTenantDomain = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain();
if (!authenticatedTenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (!MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(authenticatedTenantDomain)) {
return Response.status(Response.Status.NOT_ACCEPTABLE).build();
}
try {

11
components/apimgt-extensions/org.wso2.carbon.apimgt.application.extension/src/main/java/org/wso2/carbon/apimgt/application/extension/APIManagementProviderServiceImpl.java
View File

@ -23,12 +23,7 @@ import org.apache.commons.logging.LogFactory;
import org.json.simple.JSONObject;
import org.wso2.carbon.apimgt.api.APIConsumer;
import org.wso2.carbon.apimgt.api.APIManagementException;
import org.wso2.carbon.apimgt.api.model.API;
import org.wso2.carbon.apimgt.api.model.APIIdentifier;
import org.wso2.carbon.apimgt.api.model.APIKey;
import org.wso2.carbon.apimgt.api.model.Application;
import org.wso2.carbon.apimgt.api.model.SubscribedAPI;
import org.wso2.carbon.apimgt.api.model.Subscriber;
import org.wso2.carbon.apimgt.api.model.*;
import org.wso2.carbon.apimgt.application.extension.constants.ApiApplicationConstants;
import org.wso2.carbon.apimgt.application.extension.dto.ApiApplicationKey;
import org.wso2.carbon.apimgt.application.extension.exception.APIManagerException;
@ -415,7 +410,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
int applicationId = createApplication(apiConsumer, apiApplicationName, username, groupId);
String tenantDomain = MultitenantUtils.getTenantDomain(username);
Set<API> userVisibleAPIs = apiConsumer.getAllPublishedAPIs(tenantDomain);
if (!tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (!MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
userVisibleAPIs.addAll(apiConsumer.getAllPublishedAPIs(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME));
}
Subscriber subscriber = apiConsumer.getSubscriber(username);
@ -443,7 +438,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
try {
APIConsumer apiConsumer = APIManagerFactory.getInstance().getAPIConsumer(username);
loginInfoJsonObj.put("user", username);
if (tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
loginInfoJsonObj.put("isSuperTenant", true);
} else {
loginInfoJsonObj.put("isSuperTenant", false);

2
components/apimgt-extensions/org.wso2.carbon.apimgt.application.extension/src/main/java/org/wso2/carbon/apimgt/application/extension/util/APIManagerUtil.java
View File

@ -37,7 +37,7 @@ public final class APIManagerUtil {
*/
public static int getTenantId(String tenantDomain) throws APIManagerException {
try {
if (tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
return MultitenantConstants.SUPER_TENANT_ID;
}
TenantManager tenantManager = APIApplicationManagerExtensionDataHolder.getInstance().getTenantManager();

6
components/apimgt-extensions/org.wso2.carbon.apimgt.webapp.publisher/src/main/java/org/wso2/carbon/apimgt/webapp/publisher/APIPublisherUtil.java
View File

@ -36,10 +36,10 @@ import java.util.*;
public class APIPublisherUtil {
private static final Log log = LogFactory.getLog(APIPublisherUtil.class);
private static final String DEFAULT_API_VERSION = "1.0.0";
public static final String API_VERSION_PARAM = "{version}";
public static final String API_PUBLISH_ENVIRONMENT = "Production and Sandbox";
private static final Log log = LogFactory.getLog(APIPublisherUtil.class);
private static final String DEFAULT_API_VERSION = "1.0.0";
private static final String API_CONFIG_DEFAULT_VERSION = "1.0.0";
private static final String PARAM_MANAGED_API_ENDPOINT = "managed-api-endpoint";
private static final String PARAM_MANAGED_API_OWNER = "managed-api-owner";
@ -242,7 +242,7 @@ public class APIPublisherUtil {
MultitenantConstants.SUPER_TENANT_DOMAIN_NAME;
apiConfig.setTenantDomain(tenantDomain);
String contextTemplate = context + "/" + APIConstants.VERSION_PLACEHOLDER;
if (!tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (!MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
contextTemplate = context + "/t/" + tenantDomain + "/" + APIConstants.VERSION_PLACEHOLDER;
}
apiConfig.setContextTemplate(contextTemplate);

5
components/apimgt-extensions/org.wso2.carbon.apimgt.webapp.publisher/src/main/java/org/wso2/carbon/apimgt/webapp/publisher/lifecycle/util/AnnotationProcessor.java
View File

@ -63,11 +63,10 @@ public class AnnotationProcessor {
private static final String HTTP_PORT = "httpPort";
private static final String STRING_ARR = "string_arr";
private static final String STRING = "string";
Class<API> apiClazz;
private StandardContext context;
private Method[] pathClazzMethods;
private Class<Path> pathClazz;
Class<API> apiClazz;
private ClassLoader classLoader;
private ServletContext servletContext;
@ -319,7 +318,7 @@ public class AnnotationProcessor {
* @return
*/
private String makeContextURLReady(String context) {
if (context != null && !context.equalsIgnoreCase("")) {
if (context != null && context.length() > 0) {
if (context.startsWith("/")) {
return context;
} else {

10
components/device-mgt/org.wso2.carbon.device.mgt.analytics.data.publisher/src/main/java/org/wso2/carbon/device/mgt/analytics/data/publisher/DeviceDataPublisher.java
View File

@ -60,6 +60,10 @@ public class DeviceDataPublisher {
private static Map<String, DataPublisher> dataPublisherMap;
private static DeviceDataPublisher deviceDataPublisher;
public DeviceDataPublisher() {
dataPublisherMap = new ConcurrentHashMap<>();
}
public static DeviceDataPublisher getInstance() {
if (deviceDataPublisher == null) {
synchronized (DeviceDataPublisher.class) {
@ -71,10 +75,6 @@ public class DeviceDataPublisher {
return deviceDataPublisher;
}
public DeviceDataPublisher() {
dataPublisherMap = new ConcurrentHashMap<>();
}
/**
* this return the data publisher for the tenant.
*
@ -95,7 +95,7 @@ public class DeviceDataPublisher {
String analyticsServerUrlGroups = analyticsConfig.getReceiverServerUrl();
String analyticsServerUsername = analyticsConfig.getAdminUsername();
String analyticsServerPassword = analyticsConfig.getAdminPassword();
if (!tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (!MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
String userInfo[] = getAnalyticsServerUserInfo(tenantId);
if (userInfo != null) {

6
components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/RoleManagementServiceImpl.java
View File

@ -125,11 +125,11 @@ public class RoleManagementServiceImpl implements RoleManagementService {
UIPermissionNode[] deviceMgtPermissions = new UIPermissionNode[2];
for (UIPermissionNode permissionNode : rolePermissions.getNodeList()) {
if (permissionNode.getResourcePath().equals("/permission/admin")) {
if ("/permission/admin".equals(permissionNode.getResourcePath())) {
for (UIPermissionNode node : permissionNode.getNodeList()) {
if (node.getResourcePath().equals("/permission/admin/device-mgt")) {
if ("/permission/admin/device-mgt".equals(node.getResourcePath())) {
deviceMgtPermissions[0] = node;
} else if (node.getResourcePath().equals("/permission/admin/login")) {
} else if ("/permission/admin/login".equals(node.getResourcePath())) {
deviceMgtPermissions[1] = node;
}
}

5
components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/search/mgt/impl/QueryBuilderImpl.java
View File

@ -47,8 +47,7 @@ public class QueryBuilderImpl implements QueryBuilder {
Condition locCondition = new Condition();
if (conditions.size() == 1) {
if (conditions.get(0).getKey().equalsIgnoreCase(Constants.LOCATION)) {
if (Constants.LOCATION.equalsIgnoreCase(conditions.get(0).getKey())) {
locCondition = conditions.get(0);
} else if (Utils.checkDeviceDetailsColumns(conditions.get(0).getKey()) ||
Utils.checkDeviceLocationColumns(conditions.get(0).getKey())) {
@ -58,7 +57,7 @@ public class QueryBuilderImpl implements QueryBuilder {
}
} else {
for (Condition con : conditions) {
if (con.getKey().equalsIgnoreCase(Constants.LOCATION)) {
if (Constants.LOCATION.equalsIgnoreCase(con.getKey())) {
locCondition = con;
} else if (Utils.checkDeviceDetailsColumns(con.getKey()) ||
Utils.checkDeviceLocationColumns(con.getKey())) {

2
components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/util/DeviceManagerUtil.java
View File

@ -227,7 +227,7 @@ public final class DeviceManagerUtil {
*/
public static int getTenantId(String tenantDomain) throws DeviceManagementException {
try {
if (tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
return MultitenantConstants.SUPER_TENANT_ID;
}
TenantManager tenantManager = DeviceManagementDataHolder.getInstance().getTenantManager();

14
components/policy-mgt/org.wso2.carbon.complex.policy.decision.point/src/main/java/org/wso2/carbon/policy/evaluator/FeatureFilterImpl.java
View File

@ -67,25 +67,25 @@ public class FeatureFilterImpl implements FeatureFilter {
for (FeatureRules rule : featureRulesList) {
String ruleName = rule.getEvaluationCriteria();
String featureName = rule.getName();
if (ruleName.equalsIgnoreCase(Constants.DENY_OVERRIDES)) {
if (Constants.DENY_OVERRIDES.equalsIgnoreCase(ruleName)) {
getDenyOverridesFeatures(featureName, featureList, effectiveFeatureList);
}
if (ruleName.equalsIgnoreCase(Constants.PERMIT_OVERRIDES)) {
if (Constants.PERMIT_OVERRIDES.equalsIgnoreCase(ruleName)) {
getPermitOverridesFeatures(featureName, featureList, effectiveFeatureList);
}
if (ruleName.equalsIgnoreCase(Constants.FIRST_APPLICABLE)) {
if (Constants.FIRST_APPLICABLE.equalsIgnoreCase(ruleName)) {
getFirstApplicableFeatures(featureName, featureList, effectiveFeatureList);
}
if (ruleName.equalsIgnoreCase(Constants.LAST_APPLICABLE)) {
if (Constants.LAST_APPLICABLE.equalsIgnoreCase(ruleName)) {
getLastApplicableFeatures(featureName, featureList, effectiveFeatureList);
}
if (ruleName.equalsIgnoreCase(Constants.ALL_APPLICABLE)) {
if (Constants.ALL_APPLICABLE.equalsIgnoreCase(ruleName)) {
getAllApplicableFeatures(featureName, featureList, effectiveFeatureList);
}
if (ruleName.equalsIgnoreCase(Constants.HIGHEST_APPLICABLE)) {
if (Constants.HIGHEST_APPLICABLE.equalsIgnoreCase(ruleName)) {
getHighestApplicableFeatures(featureName, featureList, effectiveFeatureList);
}
if (ruleName.equalsIgnoreCase(Constants.LOWEST_APPLICABLE)) {
if (Constants.LOWEST_APPLICABLE.equalsIgnoreCase(ruleName)) {
getLowestApplicableFeatures(featureName, featureList, effectiveFeatureList);
}
}

2
components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/impl/ComplianceDecisionPointImpl.java
View File

@ -253,7 +253,7 @@ public class ComplianceDecisionPointImpl implements ComplianceDecisionPoint {
Policy policy = complianceData.getPolicy();
String compliance = this.getNoneComplianceRule(policy);
if (compliance.equals("")) {
if ("".equals(compliance)) {
String msg = "Compliance rule is empty for the policy " + policy.getPolicyName() + ". Therefore " +
"Monitoring Engine cannot run.";
throw new PolicyComplianceException(msg);

2
components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/util/PolicyManagerUtil.java
View File

@ -203,7 +203,7 @@ public class PolicyManagerUtil {
if (configuration != null && !configuration.isEmpty()) {
for (ConfigurationEntry cEntry : configuration) {
if (cEntry.getName().equalsIgnoreCase(MONITORING_FREQUENCY)) {
if (MONITORING_FREQUENCY.equalsIgnoreCase(cEntry.getName())) {
if (cEntry.getValue() == null) {
throw new PolicyManagementException("Invalid value, i.e. '" + cEntry.getValue() +
"', is configured as the monitoring frequency");

7
components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticationValve.java
View File

@ -105,7 +105,7 @@ public class WebappAuthenticationValve extends CarbonTomcatValve {
ctx = tokenizer.nextToken();
}
}
return (ctx.equalsIgnoreCase("carbon") || ctx.equalsIgnoreCase("services"));
return ("carbon".equalsIgnoreCase(ctx) || "services".equalsIgnoreCase(ctx));
}
private boolean isNonSecuredEndPoint(Request request) {
@ -132,10 +132,7 @@ public class WebappAuthenticationValve extends CarbonTomcatValve {
}
}
}
if (nonSecuredEndpoints.containsKey(uri)) {
return true;
}
return false;
return nonSecuredEndpoints.containsKey(uri);
}
private void processRequest(Request request, Response response, CompositeValve compositeValve,

29
components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/authenticator/JWTAuthenticator.java
View File

@ -65,6 +65,13 @@ public class JWTAuthenticator implements WebappAuthenticator {
private static final Map<String, PublicKey> publicKeyHolder = new HashMap<>();
private Properties properties;
private static void loadTenantRegistry(int tenantId) throws RegistryException {
TenantRegistryLoader tenantRegistryLoader = AuthenticatorFrameworkDataHolder.getInstance().
getTenantRegistryLoader();
AuthenticatorFrameworkDataHolder.getInstance().getTenantIndexingLoader().loadTenantIndex(tenantId);
tenantRegistryLoader.loadTenantRegistry(tenantId);
}
@Override
public void init() {
@ -73,10 +80,7 @@ public class JWTAuthenticator implements WebappAuthenticator {
@Override
public boolean canHandle(Request request) {
String authorizationHeader = request.getHeader(JWTAuthenticator.JWT_ASSERTION_HEADER);
if ((authorizationHeader != null) && !authorizationHeader.isEmpty()) {
return true;
}
return false;
return (authorizationHeader != null) && !authorizationHeader.isEmpty();
}
@Override
@ -106,7 +110,7 @@ public class JWTAuthenticator implements WebappAuthenticator {
if (publicKey == null) {
loadTenantRegistry(tenantId);
KeyStoreManager keyStoreManager = KeyStoreManager.getInstance(tenantId);
if (tenantDomain.equals(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME)) {
if (MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
String defaultPublicKey = properties.getProperty("DefaultPublicKey");
if (defaultPublicKey != null && !defaultPublicKey.isEmpty()) {
boolean isDefaultPublicKey = Boolean.parseBoolean(defaultPublicKey);
@ -182,13 +186,13 @@ public class JWTAuthenticator implements WebappAuthenticator {
}
@Override
public void setProperties(Properties properties) {
this.properties = properties;
public Properties getProperties() {
return properties;
}
@Override
public Properties getProperties() {
return properties;
public void setProperties(Properties properties) {
this.properties = properties;
}
@Override
@ -198,11 +202,4 @@ public class JWTAuthenticator implements WebappAuthenticator {
}
return this.properties.getProperty(name);
}
private static void loadTenantRegistry(int tenantId) throws RegistryException {
TenantRegistryLoader tenantRegistryLoader = AuthenticatorFrameworkDataHolder.getInstance().
getTenantRegistryLoader();
AuthenticatorFrameworkDataHolder.getInstance().getTenantIndexingLoader().loadTenantIndex(tenantId);
tenantRegistryLoader.loadTenantRegistry(tenantId);
}
}