Class MapUtils

java.lang.Object
org.apache.commons.exec.util.MapUtils
public class MapUtils extends Object
Helper classes to manipulate maps to pass substition map to the CommandLine. This class is not part of the public API and could change without warning.
Version:
$Id: MapUtils.java 1636205 2014-11-02 22:32:33Z ggregory $

  • Constructor Details

  • 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

    • 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 behaviour 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

    • 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