Package org.wso2.carbon.utils

Class CarbonUtils

  • public class CarbonUtils
extends Object
    A collection of useful utility methods

    • Constructor Detail

      • CarbonUtils

        public CarbonUtils()

    • Method Detail

      • isAdminConsoleEnabled

        public static boolean isAdminConsoleEnabled()

      • getTransportPort

        public static int getTransportPort​(ConfigurationContextService configContextService,
                                   String transport)
        Get the port corresponding to a particular transport
        Parameters:
        configContextService - The OSGi ConfigurationContextService
        transport - The transport
        Returns:
        The port corresponding to the transport
        Throws:
        IllegalStateException - If no port is associated with the transport, or if this method has been called before the ListenerManager has started

      • getTransportPort

        public static int getTransportPort​(org.apache.axis2.context.ConfigurationContext configContext,
                                   String transport)
        Get the port corresponding to a particular transport
        Parameters:
        configContext - The Axis2 ConfigurationContext
        transport - The transport
        Returns:
        The port corresponding to the transport
        Throws:
        IllegalStateException - If no port is assocaited with the transport, or if this method has been called before the ListenerManager has started

      • getTransportProxyPort

        public static int getTransportProxyPort​(org.apache.axis2.context.ConfigurationContext configContext,
                                        String transport)
        Get the proxy port corresponding to a particular transport
        Parameters:
        configContext - The Axis2 ConfigurationContext
        transport - The transport
        Returns:
        The proxy port corresponding to the transport. -1 if the proxy port is not defined
        Throws:
        IllegalStateException - If no port is assocaited with the transport, or if this method has been called before the ListenerManager has started

      • getTransportPort

        public static int getTransportPort​(org.apache.axis2.engine.AxisConfiguration axisConfig,
                                   String transport)
        Get the port corresponding to a particular transport
        Parameters:
        axisConfig - The AxisConfiguration
        transport - The transport
        Returns:
        The port corresponding to the transport
        Throws:
        IllegalStateException - If no port is assocaited with the transport, or if this method has been called before the ListenerManager has started

      • getTransportProxyPort

        public static int getTransportProxyPort​(org.apache.axis2.engine.AxisConfiguration axisConfig,
                                        String transport)
        Get the proxy port corresponding to a particular transport
        Parameters:
        axisConfig - The AxisConfiguration
        transport - The transport
        Returns:
        The proxy port corresponding to the transport. -1 if this parameter is not defined
        Throws:
        IllegalStateException - If no port is assocaited with the transport, or if this method has been called before the ListenerManager has started

      • getAxis2Xml

        public static String getAxis2Xml()

      • getServerXml

        public static String getServerXml()

      • getCarbonHome

        public static String getCarbonHome()

      • getCarbonCatalinaHome

        public static String getCarbonCatalinaHome()

      • getCarbonTenantsDirPath

        public static String getCarbonTenantsDirPath()

      • getEtcCarbonConfigDirPath

        public static String getEtcCarbonConfigDirPath()

      • getCarbonSecurityConfigDirPath

        public static String getCarbonSecurityConfigDirPath()

      • getCarbonConfigDirPath

        public static String getCarbonConfigDirPath()

      • getCarbonLogsPath

        public static String getCarbonLogsPath()

      • getComponentsRepo

        public static String getComponentsRepo()

      • getCarbonOSGiDropinsDir

        public static String getCarbonOSGiDropinsDir()

      • getAxis2Repo

        public static String getAxis2Repo()

      • getRegistryXMLPath

        public static String getRegistryXMLPath()

      • getUserMgtXMLPath

        public static String getUserMgtXMLPath()

      • isURL

        public static boolean isURL​(String location)
        Check whther the specified Strin corresponds to a URL
        Parameters:
        location - The String to be checked
        Returns:
        true - if location is a URL, false - otherwise

      • lastUpdatedTime

        public static Long lastUpdatedTime​(org.apache.axis2.description.AxisServiceGroup serviceGroup)
        Get the last updated time of the service artifact corresponding to AxisServiceGroup serviceGroup
        Parameters:
        serviceGroup - The service group whose last updated time we need to get
        Returns:
        The last updated time of the service artifact corresponding to AxisServiceGroup serviceGroup. Will return null if a Axis2 URL repository is in use.

      • computeServiceHash

        public static String computeServiceHash​(org.apache.axis2.description.AxisServiceGroup serviceGroup)
        Get the MD5 hash value of the service artifact corresponding to AxisServiceGroup serviceGroup
        Parameters:
        serviceGroup - The service group whose last updated time we need to get
        Returns:
        The MD5 hash of the service artifact corresponding to AxisServiceGroup serviceGroup. Will return null if a Axis2 URL repository is in use.

      • getTmpDir

        public static String getTmpDir()
        Returns:
        absolute path to carbon tmp directory

      • getTenantTmpDirPath

        public static String getTenantTmpDirPath​(org.apache.axis2.engine.AxisConfiguration axisConfig)
        There's a separate tmp space for each tenant under java temp dir. This method can be used to get the absolute path to current tenant's temp location. If the sub directories are not found already, those are created.
        Parameters:
        axisConfig - - AxisConfiguration instance of the current tenant
        Returns:
        - absolute path to tmp tenant space

      • getCommandListenerPort

        public static int getCommandListenerPort()
        Get the port of the command listener. A server socket is opened on this port to listen to incoming commands
        Returns:
        The command listener port

      • registerFaultyService

        public static void registerFaultyService​(String artifactPath,
                                         String serviceType,
                                         org.apache.axis2.context.ConfigurationContext configurationContext)
                                  throws org.apache.axis2.AxisFault
        Register a faulty service
        Parameters:
        artifactPath - Path of the faulty service artifact
        serviceType - Service type of the faulty service
        configurationContext - ConfigurationContext
        Throws:
        org.apache.axis2.AxisFault - If an error occurs while creating the service type Axis2 parameter

      • getFaultyService

        public static org.apache.axis2.description.AxisService getFaultyService​(String serviceName,
                                                                        org.apache.axis2.context.ConfigurationContext configurationContext)
        Get a faulty service
        Parameters:
        serviceName - Name of the faulty service
        configurationContext - ConfigurationContext
        Returns:
        AxisService object corresponding to the serviceName

      • isRemoteRegistry

        public static boolean isRemoteRegistry()
                                throws Exception
        Throws:
        Exception

      • getCarbonRepository

        public static String getCarbonRepository()

      • getServerConfiguration

        public static org.wso2.carbon.base.ServerConfiguration getServerConfiguration()

      • isMasterNode

        public static boolean isMasterNode()
        Check if this is a ChildNode or Not
        Returns:
        true if the instance is a child node in multiple instance scenario

      • isChildNode

        public static boolean isChildNode()
        Check if this is an Instance started by a Java exec
        Returns:
        true if this is an instance started by Java exec

      • isMultipleInstanceCase

        public static boolean isMultipleInstanceCase()
        Check whether this is the multiple Instance scenario- means started the server with -n arg
        Returns:
        true if the server started with -n argument

      • isReadOnlyNode

        public static boolean isReadOnlyNode()
        Check whether this is the a node which should readonly
        Returns:
        true if the server started with -n argument

      • getBytesFromFile

        public static byte[] getBytesFromFile​(File file)
                               throws CarbonException
        Returns the contents of the file in a byte array.
        Parameters:
        file - the file the to read
        Returns:
        the content of the file
        Throws:
        CarbonException - throws if the operation failed.

      • getMD5

        public static String getMD5​(byte[] content)

      • isRunningInStandaloneMode

        public static boolean isRunningInStandaloneMode()
        Is this Carbon server running in standalone mode?
        Returns:
        true is this Carbon server is running in standalone mode, false - if it is running as a webapp within another servlet container

      • useRegistryBasedRepository

        public static boolean useRegistryBasedRepository()
        Should we use a Registry based repo instead of a FileSystem based one?
        Returns:
        true - if registry based repo should be used system-wide

      • checkSecurity

        public static void checkSecurity()

      • checkSecurity

        public static void checkSecurity​(List<String> allowedClasses)

      • checkSecurity

        public static void checkSecurity​(Map<String,​String> allowedMethods)

      • getBackendHttpPort

        public static String getBackendHttpPort​(org.apache.axis2.context.ConfigurationContext configurationContext)
                                 throws Exception
        Throws:
        Exception

      • getServerURL

        public static String getServerURL​(org.wso2.carbon.base.api.ServerConfigurationService serverConfig,
                                  org.apache.axis2.context.ConfigurationContext configCtx)

      • getServerURL

        public static String getServerURL​(javax.servlet.ServletContext servletContext,
                                  javax.servlet.http.HttpSession httpSession,
                                  org.apache.axis2.context.ConfigurationContext configCtx)

      • getManagementTransport

        public static String getManagementTransport()
        Returns:
        The transport on which the management functionality is available

      • arrayCopyOf

        public static <T> T[] arrayCopyOf​(T[] original)
        Returns a copy of the provided array. Same as the JDK 1.6 Arrays.copyOf() method
        Type Parameters:
        T - Type of objects in the original array
        Parameters:
        original - The original array
        Returns:
        Copy of the provided array

      • getPortFromServerConfig

        public static int getPortFromServerConfig​(String property)
        This is to read the port values defined in other config files, which are overridden from those in carbon.xml.
        Parameters:
        property -
        Returns:

      • isFilteredOutService

        public static boolean isFilteredOutService​(org.apache.axis2.description.AxisService service)
        Checks whether the given AxisService is an Admin Service or a Hidden Service
        Parameters:
        service - - AxisService instance
        Returns:
        - filtered service or not

      • isRunningOnLocalTransportMode

        public static boolean isRunningOnLocalTransportMode()

      • getAxis2ServicesDir

        public static String getAxis2ServicesDir​(org.apache.axis2.engine.AxisConfiguration axisConfig)
        Reads the AAR services dir from the Axis config. if it is null, returns the default value used in Carbon
        Parameters:
        axisConfig - - AxisConfiguration instance
        Returns:
        - services dir name

      • setBasicAccessSecurityHeaders

        public static void setBasicAccessSecurityHeaders​(String userName,
                                                 String password,
                                                 boolean rememberMe,
                                                 org.apache.axis2.client.ServiceClient serviceClient)
        This is a utility method which can be used to set security headers in a service client. This method will create authorization header according to basic security protocol. i.e. encodeBase64(username:password) and put it in a HTTP header with name "Authorization".
        Parameters:
        userName - User calling the service.
        password - Password of the user.
        rememberMe - true if UI asks to persist remember me cookie.
        serviceClient - The service client used in the communication.

      • setBasicAccessSecurityHeaders

        public static void setBasicAccessSecurityHeaders​(String userName,
                                                 String password,
                                                 boolean rememberMe,
                                                 org.apache.axis2.context.MessageContext msgContext)
                                          throws org.apache.axis2.AxisFault
        This is a utility method which can be used to set security headers in the message context. This method will create authorization header according to basic security protocol. i.e. encodeBase64(username:password) and put it in a HTTP header with name "Authorization".
        Parameters:
        userName - User calling the service.
        password - Password of the user.
        rememberMe - true if UI asks to persist remember me cookie.
        msgContext - The MessageContext of the message.
        Throws:
        org.apache.axis2.AxisFault

      • setBasicAccessSecurityHeaders

        public static void setBasicAccessSecurityHeaders​(String userName,
                                                 String password,
                                                 org.apache.axis2.client.ServiceClient serviceClient)
        This is a utility method which can be used to set security headers in a service client. This method will create authorization header according to basic security protocol. i.e. encodeBase64(username:password) and put it in a HTTP header with name "Authorization".
        Parameters:
        userName - User calling the service.
        password - Password of the user.
        serviceClient - The service client used in the communication.

      • addCappDeployer

        public static DeployerConfig[] addCappDeployer​(DeployerConfig[] originalConfigs,
                                               org.apache.axis2.engine.AxisConfiguration axisConfig)
        Adds the cApp deployer config into the original DeployerConfig array.. This is to fix : https://wso2.org/jira/browse/CARBON-13598
        Parameters:
        originalConfigs - - original DeployerConfig array
        axisConfig - - AxisConfiguration instance to get tenant id
        Returns:
        - new array which includes cApp deployer

      • getCAppDeploymentDirPath

        public static String getCAppDeploymentDirPath​(org.apache.axis2.engine.AxisConfiguration axisConfig)
        This is method returns deployment dir for carbon apps for current tenant.
        Parameters:
        axisConfig - - AxisConfiguration instance of the current tenant
        Returns:
        - absolute path to tenant capp deployment space

      • replaceSystemVariablesInXml

        public static InputStream replaceSystemVariablesInXml​(InputStream xmlConfiguration)
                                               throws CarbonException
        Parameters:
        xmlConfiguration - InputStream that carries xml configuration
        Returns:
        returns a InputStream that has evaluated system variables in input
        Throws:
        CarbonException

      • resolveLeafNodeValue

        public static void resolveLeafNodeValue​(Node node)

      • resolveSystemProperty

        public static String resolveSystemProperty​(String text)

      • isWorkerNode

        public static boolean isWorkerNode()
        Check if the current server is a worker node In clustering setup some servers are run as worker nodes and some as management nodes
        Returns:

      • isOptimized

        public static boolean isOptimized()
        Check if the current server is optimized or not. This mode is more suitable to run Carbon kernel on resource constrained environments.
        Returns:
        isOptimized

      • isDepSyncEnabled

        public static boolean isDepSyncEnabled()
        utility method to check whether deployment synchronizer enabled.
        Returns:

      • getGhostMetafileDir

        public static String getGhostMetafileDir​(org.apache.axis2.engine.AxisConfiguration axisConfig)

      • getDeployer

        public static org.apache.axis2.deployment.Deployer getDeployer​(String className)
                                                        throws CarbonException
        Parameters:
        className - name of the class to build the deployer
        Returns:
        Deployer
        Throws:
        Exception
        CarbonException

      • getProxyContextPath

        public static String getProxyContextPath​(boolean isWorkerNode)
        Returns the proxy context path value specified in the carbon.xml.(Duplicated Util Method)
        Parameters:
        isWorkerNode - If isWorkerNode is true then this method returns the proxy context path of the corresponding worker node. If the worker proxy context path is not specified, this method returns the value specified for the proxy context path.
        Returns:
        the proxy context path value.