Package org.apache.jena.atlas.lib

Class PropertyUtils

  • public class PropertyUtils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      PropertyUtils()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void checkMetadata​(java.util.Properties properties, java.lang.String key, java.lang.String expected)
      Check property has the value given - throw exception if not.
      void checkOrSetProperty​(java.util.Properties properties, java.lang.String key, java.lang.String expected)
      Check property is an expected value or set if missing
      void ensurePropertySet​(java.util.Properties properties, java.lang.String key, java.lang.String expected)
      Set property if not already set.
      java.lang.String getOrSetDefault​(java.util.Properties properties, java.lang.String key, java.lang.String expected)
      Get property or the default value - also set the default value if not present
      static java.lang.Boolean getPropertyAsBoolean​(java.util.Properties properties, java.lang.String key)  
      static boolean getPropertyAsBoolean​(java.util.Properties properties, java.lang.String key, boolean dftValue)  
      static int getPropertyAsInteger​(java.util.Properties properties, java.lang.String key)  
      static int getPropertyAsInteger​(java.util.Properties properties, java.lang.String key, int defaultValue)  
      static java.util.Properties loadFromFile​(java.lang.String filename)
      Load properties from a file if the file exists
      static void loadFromFile​(java.util.Properties properties, java.lang.String filename)
      Load properties from a file if the file exists
      boolean propertyEquals​(java.util.Properties properties, java.lang.String key, java.lang.String value)
      Test whether a property has a value.
      static void storeToFile​(java.util.Properties properties, java.lang.String comment, java.lang.String filename)  

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • PropertyUtils

        public PropertyUtils()

    • Method Detail

      • loadFromFile

        public static java.util.Properties loadFromFile​(java.lang.String filename)
                                         throws java.io.IOException
        Load properties from a file if the file exists
        Throws:
        java.io.IOException

      • loadFromFile

        public static void loadFromFile​(java.util.Properties properties,
                                java.lang.String filename)
                         throws java.io.IOException
        Load properties from a file if the file exists
        Throws:
        java.io.IOException

      • storeToFile

        public static void storeToFile​(java.util.Properties properties,
                               java.lang.String comment,
                               java.lang.String filename)
                        throws java.io.IOException
        Throws:
        java.io.IOException

      • getPropertyAsInteger

        public static int getPropertyAsInteger​(java.util.Properties properties,
                                       java.lang.String key)

      • getPropertyAsInteger

        public static int getPropertyAsInteger​(java.util.Properties properties,
                                       java.lang.String key,
                                       int defaultValue)

      • getPropertyAsBoolean

        public static boolean getPropertyAsBoolean​(java.util.Properties properties,
                                           java.lang.String key,
                                           boolean dftValue)

      • getPropertyAsBoolean

        public static java.lang.Boolean getPropertyAsBoolean​(java.util.Properties properties,
                                                     java.lang.String key)

      • propertyEquals

        public boolean propertyEquals​(java.util.Properties properties,
                              java.lang.String key,
                              java.lang.String value)
        Test whether a property has a value. Null tests equal to not present.

      • ensurePropertySet

        public void ensurePropertySet​(java.util.Properties properties,
                              java.lang.String key,
                              java.lang.String expected)
        Set property if not already set.

      • getOrSetDefault

        public java.lang.String getOrSetDefault​(java.util.Properties properties,
                                        java.lang.String key,
                                        java.lang.String expected)
        Get property or the default value - also set the default value if not present

      • checkOrSetProperty

        public void checkOrSetProperty​(java.util.Properties properties,
                               java.lang.String key,
                               java.lang.String expected)
        Check property is an expected value or set if missing

      • checkMetadata

        public void checkMetadata​(java.util.Properties properties,
                          java.lang.String key,
                          java.lang.String expected)
        Check property has the value given - throw exception if not.