/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang.rule.properties;
import net.sourceforge.pmd.PropertyDescriptor;
import net.sourceforge.pmd.util.StringUtil;
public class PropertyDescriptorFactory {
private PropertyDescriptorFactory() { }
/**
* Returns the String type of the PropertyDescriptor for use in XML
* serialization. If the value is <code>null</code> the type cannot be
* serialized.
*/
public static String getPropertyDescriptorType(PropertyDescriptor<?> propertyDescriptor) {
Class<?> type = propertyDescriptor.type();
String typeName = null;
// TODO - yes we can, investigate
if (propertyDescriptor instanceof EnumeratedProperty || propertyDescriptor instanceof MethodProperty
|| propertyDescriptor instanceof TypeProperty) {
// Cannot serialize these kinds of PropertyDescriptors
} else if ("java.lang".equals(type.getPackage().getName())) {
typeName = type.getSimpleName();
}
if (typeName == null) {
throw new IllegalArgumentException("Cannot encode type for PropertyDescriptor class: " + type.getName());
}
return typeName;
}
public static PropertyDescriptor<?> createPropertyDescriptor(String name, String description, String type,
String delimiter, String min, String max, String value) {
return new PropertyDescriptorWrapper(
createRawPropertyDescriptor(name, description, type, delimiter, min, max, value));
}
private static PropertyDescriptor<?> createRawPropertyDescriptor(String name, String description, String type,
String delimiter, String min, String max, String value) {
if ("Boolean".equals(type)) {
return new BooleanProperty(name, description, value, 0.0f);
} else if ("Boolean[]".equals(type)) {
BooleanMultiProperty property = new BooleanMultiProperty(name, description, null, 0.0f);
return new BooleanMultiProperty(name, description, property.valueFrom(value), 0.0f);
} else if ("Character".equals(type)) {
return new CharacterProperty(name, description, CharacterProperty.charFrom(value), 0.0f);
} else if ("Character[]".equals(type)) {
checkDelimiter(name, type, delimiter);
char delim = delimiter.charAt(0);
CharacterMultiProperty property = new CharacterMultiProperty(name, description, null, 0.0f, delim);
return new CharacterMultiProperty(name, description, property.valueFrom(value), 0.0f, delim);
} else if ("Double".equals(type)) {
checkMinMax(name, type, min, max);
return new DoubleProperty(name, description, min, max, value, 0.0f);
} else if ("Double[]".equals(type)) {
checkMinMax(name, type, min, max);
DoubleMultiProperty property = new DoubleMultiProperty(name, description, 0d, 0d, null, 0.0f);
return new DoubleMultiProperty(name, description, DoubleProperty.doubleFrom(min),
DoubleProperty.doubleFrom(max), property.valueFrom(value), 0.0f);
} else if ("Float".equals(type)) {
checkMinMax(name, type, min, max);
return new FloatProperty(name, description, min, max, value, 0.0f);
} else if ("Float[]".equals(type)) {
checkMinMax(name, type, min, max);
FloatMultiProperty property = new FloatMultiProperty(name, description, 0f, 0f, null, 0.0f);
return new FloatMultiProperty(name, description, FloatProperty.floatFrom(min), FloatProperty.floatFrom(max),
property.valueFrom(value), 0.0f);
} else if ("Integer".equals(type)) {
checkMinMax(name, type, min, max);
return new IntegerProperty(name, description, min, max, value, 0.0f);
} else if ("Integer[]".equals(type)) {
checkMinMax(name, type, min, max);
IntegerMultiProperty property = new IntegerMultiProperty(name, description, 0, 0, null, 0.0f);
return new IntegerMultiProperty(name, description, IntegerProperty.intFrom(min),
IntegerProperty.intFrom(max), property.valueFrom(value), 0.0f);
} else if ("Long".equals(type)) {
checkMinMax(name, type, min, max);
return new LongProperty(name, description, min, max, value, 0.0f);
} else if ("Long[]".equals(type)) {
checkMinMax(name, type, min, max);
LongMultiProperty property = new LongMultiProperty(name, description, 0L, 0L, null, 0.0f);
return new LongMultiProperty(name, description, LongProperty.longFrom(min), LongProperty.longFrom(max),
property.valueFrom(value), 0.0f);
// TODO - include legal package names for next four types
} else if ("Type".equals(type)) {
return new TypeProperty(name, description, value, (String[]) null, 0.0f);
} else if ("Type[]".equals(type)) {
return new TypeMultiProperty(name, description, value, (String[]) null, 0.0f);
} else if ("Method".equals(type)) {
return new MethodProperty(name, description, value, (String[]) null, 0.0f);
} else if ("Method[]".equals(type)) {
return new MethodMultiProperty(name, description, value, (String[]) null, 0.0f);
} else if ("String".equals(type)) {
return new StringProperty(name, description, value, 0.0f);
} else if ("String[]".equals(type)) {
checkDelimiter(name, type, delimiter);
char delim = delimiter.charAt(0);
StringMultiProperty property = new StringMultiProperty(name, description, null, 0.0f, delim);
return new StringMultiProperty(name, description, property.valueFrom(value), 0.0f, delim);
} else {
throw new IllegalArgumentException("Cannot define property type '" + type + "'.");
}
}
private static void checkDelimiter(String name, String type, String delimiter) {
if (delimiter == null || delimiter.length() == 0) {
throw new IllegalArgumentException(
"Delimiter must be provided to create PropertyDescriptor for " + name + " of type " + type + ".");
}
}
private static void checkMinMax(String name, String type, String min, String max) {
if (StringUtil.isEmpty(min)) {
throw new IllegalArgumentException(
"Min must be provided to create PropertyDescriptor for " + name + " of type " + type + ".");
}
if (StringUtil.isEmpty(max)) {
throw new IllegalArgumentException(
"Max must be provided to create PropertyDescriptor for " + name + " of type " + type + ".");
}
}
}