| java.util.Properties
| Properties | | public class Properties extends Hashtable (Code) | | Properties is a Hashtable where the keys and values must be Strings. Each
Properties can have a default Properties which specifies the default values
which are used if the key is not in this Properties.
See Also: Hashtable
See Also: java.lang.System.getProperties |
| Constructor Summary | |
| public | Properties()
Constructs a new Properties object. | | public | Properties(Properties properties)
Constructs a new Properties object using the specified default
properties. |
| defaults | | protected Properties defaults(Code) | | The default values for this Properties.
|
| Properties | | public Properties()(Code) | | Constructs a new Properties object.
|
| Properties | | public Properties(Properties properties)(Code) | | Constructs a new Properties object using the specified default
properties.
Parameters:
properties - the default properties |
| getProperty | | public String getProperty(String name)(Code) | | Searches for the property with the specified name. If the property is not
found, look in the default properties. If the property is not found in
the default properties, answer null.
Parameters:
name - the name of the property to find the named property value |
| getProperty | | public String getProperty(String name, String defaultValue)(Code) | | Searches for the property with the specified name. If the property is not
found, look in the default properties. If the property is not found in
the default properties, answer the specified default.
Parameters:
name - the name of the property to find
Parameters:
defaultValue - the default value the named property value |
| list | | public void list(PrintStream out)(Code) | | Lists the mappings in this Properties to the specified PrintStream in a
human readable form.
Parameters:
out - the PrintStream |
| list | | public void list(PrintWriter writer)(Code) | | Lists the mappings in this Properties to the specified PrintWriter in a
human readable form.
Parameters:
writer - the PrintWriter |
| load | | public synchronized void load(InputStream in) throws IOException(Code) | | Loads properties from the specified InputStream. The properties are of
the form key=value, one property per line.
Parameters:
in - the input stream
throws:
IOException - |
| propertyNames | | public Enumeration propertyNames()(Code) | | Answers all of the property names that this Properties contains.
an Enumeration containing the names of all properties |
| save | | public void save(OutputStream out, String comment)(Code) | | Saves the mappings in this Properties to the specified OutputStream,
putting the specified comment at the beginning. The output from this
method is suitable for being read by the load() method.
Parameters:
out - the OutputStream
Parameters:
comment - the comment
exception:
ClassCastException - when the key or value of a mapping is not a String |
| setProperty | | public Object setProperty(String name, String value)(Code) | | Maps the specified key to the specified value. If the key already exists,
the old value is replaced. The key and value cannot be null.
Parameters:
name - the key
Parameters:
value - the value the old value mapped to the key, or null |
| store | | public synchronized void store(OutputStream out, String comment) throws IOException(Code) | | Stores the mappings in this Properties to the specified OutputStream,
putting the specified comment at the beginning. The output from this
method is suitable for being read by the load() method.
Parameters:
out - the OutputStream
Parameters:
comment - the comment
throws:
IOException -
exception:
ClassCastException - when the key or value of a mapping is not a String |
|
|