Class MapUtils

java.lang.Object
org.apache.commons.exec.util.MapUtils
public class MapUtils extends Object
Helper classes to manipulate maps to pass substitution map to the CommandLine. This class is not part of the public API and could change without warning.

  • Constructor Details

    • MapUtils

      @Deprecated public MapUtils()
      Deprecated.
      Will be private in the next major version.
      Constructs a new instance.

  • Method Details

    • copy

      public static <K,V> Map<K,V> copy(Map<K,V> source)
      Clones a map.
      Type Parameters:
      K - the map key type.
      V - the map value type.
      Parameters:
      source - the Map to clone.
      Returns:
      the cloned map.

    • merge

      public static <K,V> Map<K,V> merge(Map<K,V> lhs, Map<K,V> rhs)
      Clones the lhs map and add all things from the rhs map.
      Type Parameters:
      K - the map key type.
      V - the map value type.
      Parameters:
      lhs - the first map.
      rhs - the second map.
      Returns:
      the merged map.

    • prefix

      public static <K,V> Map<String,V> prefix(Map<K,V> source, String prefix)
      Clones a map and prefixes the keys in the clone, e.g. for mapping "JAVA_HOME" to "env.JAVA_HOME" to simulate the behavior of Ant.
      Type Parameters:
      K - the map key type.
      V - the map value type.
      Parameters:
      source - the source map.
      prefix - the prefix used for all names.
      Returns:
      the clone of the source map.