001 package biz.hammurapi.properties; 002 003 import java.util.Set; 004 005 /** 006 * Delegates all calls to the master property set. 007 * Developers can override some methods, e.g. convert properties 008 * from one type to another. 009 * @author Pavel 010 * 011 */ 012 public class PropertySetFilter implements PropertySet { 013 014 protected PropertySet master; 015 016 public PropertySetFilter(PropertySet master) { 017 this.master = master; 018 } 019 020 public void clear() { 021 master.clear(); 022 } 023 024 public boolean compareProperties(PropertySet otherSet) { 025 return master.compareProperties(otherSet); 026 } 027 028 public boolean containsAll(PropertySet subSet) { 029 return master.containsAll(subSet); 030 } 031 032 public Object get(String name) { 033 return master.get(name); 034 } 035 036 public Set getPropertyNames() { 037 return master.getPropertyNames(); 038 } 039 040 public PropertySet getSubset(String prefix) { 041 return master.getSubset(prefix); 042 } 043 044 public void mount(String prefix, PropertySet source) { 045 master.mount(prefix, source); 046 } 047 048 public boolean remove(String name) { 049 return master.remove(name); 050 } 051 052 public void set(String name, Object value) { 053 master.set(name, value); 054 } 055 056 public void setAll(PropertySet source) { 057 master.setAll(source); 058 } 059 060 public Object get(String name, Object defaultValue) { 061 return master.get(name, defaultValue); 062 } 063 064 065 }