Class SyspropsMapWrapper

  • All Implemented Interfaces:
    java.util.Map<java.lang.String,​java.lang.Object>

    public final class SyspropsMapWrapper
    extends java.lang.Object
    implements java.util.Map<java.lang.String,​java.lang.Object>
    A wrapper that exposes a read-only Map access to the system properties. Any attempt to modify it will throw UnsupportedOperationException. The mapper uses the SYSPROPS_MAPPED_PREFIX to filter and access' only these properties, ignoring all others
    • Nested Class Summary

      • Nested classes/interfaces inherited from interface java.util.Map

        java.util.Map.Entry<K extends java.lang.Object,​V extends java.lang.Object>
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private SyspropsMapWrapper()  
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void clear()  
      boolean containsKey​(java.lang.Object key)  
      boolean containsValue​(java.lang.Object value)  
      java.util.Set<java.util.Map.Entry<java.lang.String,​java.lang.Object>> entrySet()  
      java.lang.Object get​(java.lang.Object key)  
      static java.lang.String getMappedSyspropKey​(java.lang.Object key)  
      static java.lang.String getUnmappedSyspropKey​(java.lang.Object key)  
      boolean isEmpty()  
      static boolean isMappedSyspropKey​(java.lang.String key)  
      java.util.Set<java.lang.String> keySet()  
      java.lang.Object put​(java.lang.String key, java.lang.Object value)  
      void putAll​(java.util.Map<? extends java.lang.String,​?> m)  
      java.lang.Object remove​(java.lang.Object key)  
      int size()  
      java.lang.String toString()  
      java.util.Collection<java.lang.Object> values()  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
      • Methods inherited from interface java.util.Map

        compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll
    • Field Detail

      • SYSPROPS_MAPPED_PREFIX

        public static final java.lang.String SYSPROPS_MAPPED_PREFIX
        Prefix of properties used by the mapper to identify SSHD related settings
        See Also:
        Constant Field Values
      • RAW_PROPS_RESOLVER

        public static final PropertyResolver RAW_PROPS_RESOLVER
        Exposes the "raw" system properties as a PropertyResolver without any further filtering
      • INSTANCE

        public static final SyspropsMapWrapper INSTANCE
        The one and only wrapper instance
    • Constructor Detail

      • SyspropsMapWrapper

        private SyspropsMapWrapper()
    • Method Detail

      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Map<java.lang.String,​java.lang.Object>
      • containsKey

        public boolean containsKey​(java.lang.Object key)
        Specified by:
        containsKey in interface java.util.Map<java.lang.String,​java.lang.Object>
      • containsValue

        public boolean containsValue​(java.lang.Object value)
        Specified by:
        containsValue in interface java.util.Map<java.lang.String,​java.lang.Object>
      • entrySet

        public java.util.Set<java.util.Map.Entry<java.lang.String,​java.lang.Object>> entrySet()
        Specified by:
        entrySet in interface java.util.Map<java.lang.String,​java.lang.Object>
      • get

        public java.lang.Object get​(java.lang.Object key)
        Specified by:
        get in interface java.util.Map<java.lang.String,​java.lang.Object>
      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface java.util.Map<java.lang.String,​java.lang.Object>
      • keySet

        public java.util.Set<java.lang.String> keySet()
        Specified by:
        keySet in interface java.util.Map<java.lang.String,​java.lang.Object>
      • put

        public java.lang.Object put​(java.lang.String key,
                                    java.lang.Object value)
        Specified by:
        put in interface java.util.Map<java.lang.String,​java.lang.Object>
      • putAll

        public void putAll​(java.util.Map<? extends java.lang.String,​?> m)
        Specified by:
        putAll in interface java.util.Map<java.lang.String,​java.lang.Object>
      • remove

        public java.lang.Object remove​(java.lang.Object key)
        Specified by:
        remove in interface java.util.Map<java.lang.String,​java.lang.Object>
      • size

        public int size()
        Specified by:
        size in interface java.util.Map<java.lang.String,​java.lang.Object>
      • values

        public java.util.Collection<java.lang.Object> values()
        Specified by:
        values in interface java.util.Map<java.lang.String,​java.lang.Object>
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object
      • isMappedSyspropKey

        public static boolean isMappedSyspropKey​(java.lang.String key)
        Parameters:
        key - Key to be tested
        Returns:
        true if key starts with SYSPROPS_MAPPED_PREFIX and continues with a dot followed by some characters
      • getUnmappedSyspropKey

        public static java.lang.String getUnmappedSyspropKey​(java.lang.Object key)
        Parameters:
        key - Key to be transformed
        Returns:
        The "pure" key name if a mapped one, same as input otherwise
        See Also:
        isMappedSyspropKey(String)