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package bjc.utils.cli;
/**
* Generic implementation of a help topic
*
* @author ben
*
*/
public class GenericHelp implements CommandHelp {
// The strings for this help topic
private final String summary;
private final String description;
/**
* Create a new help topic
*
* @param summary
* The summary of this help topic
* @param description
* The description of this help topic, or null if this
* help topic doesn't have a more detailed description
*/
public GenericHelp(final String summary, final String description) {
if (summary == null) throw new NullPointerException("Help summary must be non-null");
this.summary = summary;
this.description = description;
}
@Override
public String getDescription() {
if (description == null) return summary;
return description;
}
@Override
public String getSummary() {
return summary;
}
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("GenericHelp [");
if (summary != null) {
builder.append("summary=");
builder.append(summary);
}
if (description != null) {
builder.append(", ");
builder.append("description=");
builder.append(description);
}
builder.append("]");
return builder.toString();
}
}
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