/** The default item label format. */
public static final String DEFAULT_LABEL_FORMAT = "{0}";
/** The format pattern. */
private String formatPattern;
/**
* Creates a default series label generator (uses
* {@link #DEFAULT_LABEL_FORMAT}).
*/
public [[#variable18bd3660]]() {
this(DEFAULT_LABEL_FORMAT);
}
/**
* Creates a new series label generator.
*
* @param format the format pattern (<code>null</code> not permitted).
*/
public [[#variable18bd3660]](String format) {
if (format == null) {
throw new IllegalArgumentException("Null \'format\' argument.");
}
this.formatPattern = format;
}
/**
* Generates a label for the specified series. This label will be
* used for the chart legend.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param series the series.
*
* @return A series label.
*/
/**
* Generates a label for the specified series.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param series the series.
*
* @return A series label.
*/
public String generateLabel( [[#variable18bd3e60]] dataset, int series) {
if (dataset == null) {
throw new IllegalArgumentException("Null \'dataset\' argument.");
}
String label = MessageFormat.format(this.formatPattern, createItemArray(dataset, series));
return label;
}
/**
* Creates the array of items that can be passed to the
* {@link MessageFormat} class for creating labels.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param series the series (zero-based index).
*
* @return The items (never <code>null</code>).
*/
protected Object[] createItemArray( [[#variable18bd3e60]] dataset, int series) {
Object[] result = new Object[1];
result[0] = dataset. [[#variable18bd3ea0]](series).toString();
return result;
}
/**
* Returns an independent copy of the generator. This is unnecessary,
* because instances are immutable anyway, but we retain this
* behaviour for backwards compatibility.
*
* @return A clone.
*
* @throws CloneNotSupportedException if cloning is not supported.
*/
/**
* Returns an independent copy of the generator.
*
* @return A clone.
*
* @throws CloneNotSupportedException if cloning is not supported.
*/
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
/**
* Tests this object for equality with an arbitrary object.
*
* @param obj the other object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this ) {
return true;
}
if ( !(obj instanceof [[#variable18bd3660]])) {
return false;
}
[[#variable18bd3660]] that = ( [[#variable18bd3660]]) obj;
if ( !this.formatPattern.equals(that.formatPattern)) {
return false;
}
return true;
}
/**
* Returns a hash code for this instance.
*
* @return A hash code.
*/
public int hashCode() {
int result = 127;
result = HashUtilities.hashCode(result, this.formatPattern);
return result;
}
|