Package org.apache.guacamole.environment

Interface Environment

  • All Known Implementing Classes:
    DelegatingEnvironment, LocalEnvironment
    public interface Environment
    The environment of an arbitrary Guacamole instance, describing available protocols, configuration parameters, and the GUACAMOLE_HOME directory.

    • Field Detail

      • GUACD_HOSTNAME

        static final StringGuacamoleProperty GUACD_HOSTNAME
        The hostname of the server where guacd (the Guacamole proxy server) is running.

      • GUACD_PORT

        static final IntegerGuacamoleProperty GUACD_PORT
        The port that guacd (the Guacamole proxy server) is listening on.

    • Method Detail

      • getGuacamoleHome

        File getGuacamoleHome()
        Returns the Guacamole home directory as determined when this Environment object was created. The Guacamole home directory is found by checking, in order: the guacamole.home system property, the GUACAMOLE_HOME environment variable, and finally the .guacamole directory in the home directory of the user running the servlet container.
        Returns:
        The File representing the Guacamole home directory, which may or may not exist, and may turn out to not be a directory.

      • getProtocols

        Map<String,​ProtocolInfo> getProtocols()
        Returns a map of all available protocols, where each key is the name of that protocol as would be passed to guacd during connection.
        Returns:
        A map of all available protocols.

      • getProtocol

        ProtocolInfo getProtocol​(String name)
        Returns the protocol having the given name. The name must be the protocol name as would be passed to guacd during connection.
        Parameters:
        name - The name of the protocol.
        Returns:
        The protocol having the given name, or null if no such protocol is registered.

      • getProperty

        <Type> Type getProperty​(GuacamoleProperty<Type> property)
                 throws org.apache.guacamole.GuacamoleException
        Given a GuacamoleProperty, parses and returns the value set for that property in guacamole.properties, if any.
        Type Parameters:
        Type - The type that the given property is parsed into.
        Parameters:
        property - The property to read from guacamole.properties.
        Returns:
        The parsed value of the property as read from guacamole.properties.
        Throws:
        org.apache.guacamole.GuacamoleException - If an error occurs while parsing the value for the given property in guacamole.properties.

      • getProperty

        <Type> Type getProperty​(GuacamoleProperty<Type> property,
                        Type defaultValue)
                 throws org.apache.guacamole.GuacamoleException
        Given a GuacamoleProperty, parses and returns the value set for that property in guacamole.properties, if any. If no value is found, the provided default value is returned.
        Type Parameters:
        Type - The type that the given property is parsed into.
        Parameters:
        property - The property to read from guacamole.properties.
        defaultValue - The value to return if no value was given in guacamole.properties.
        Returns:
        The parsed value of the property as read from guacamole.properties, or the provided default value if no value was found.
        Throws:
        org.apache.guacamole.GuacamoleException - If an error occurs while parsing the value for the given property in guacamole.properties.

      • getRequiredProperty

        <Type> Type getRequiredProperty​(GuacamoleProperty<Type> property)
                         throws org.apache.guacamole.GuacamoleException
        Given a GuacamoleProperty, parses and returns the value set for that property in guacamole.properties. An exception is thrown if the value is not provided.
        Type Parameters:
        Type - The type that the given property is parsed into.
        Parameters:
        property - The property to read from guacamole.properties.
        Returns:
        The parsed value of the property as read from guacamole.properties.
        Throws:
        org.apache.guacamole.GuacamoleException - If an error occurs while parsing the value for the given property in guacamole.properties, or if the property is not specified.

      • getDefaultGuacamoleProxyConfiguration

        GuacamoleProxyConfiguration getDefaultGuacamoleProxyConfiguration()
                                                           throws org.apache.guacamole.GuacamoleException
        Returns the connection information which should be used, by default, to connect to guacd when establishing a remote desktop connection.
        Returns:
        The connection information which should be used, by default, to connect to guacd.
        Throws:
        org.apache.guacamole.GuacamoleException - If the connection information for guacd cannot be retrieved.

      • addGuacamoleProperties

        default void addGuacamoleProperties​(GuacamoleProperties properties)
                             throws org.apache.guacamole.GuacamoleException
        Adds another possible source of Guacamole configuration properties to this Environment. Properties not already defined by other sources of Guacamole configuration properties will alternatively be read from the given GuacamoleProperties.
        Parameters:
        properties - The GuacamoleProperties to add to this Environment.
        Throws:
        org.apache.guacamole.GuacamoleException - If the given GuacamoleProperties cannot be added, or if this Environment does not support this operation.