private void addDefaultValues(Map attributes, Map mappings) {
if (mappings == null) return;
Iterator i = mappings.entrySet().iterator();
while (i.hasNext()) {
Map.Entry e = (Map.Entry) i.next();
TagMap.AttributeMapping m = (TagMap.AttributeMapping) e.getValue();
if (null != m && null != m.getDefaultValue() && null == attributes.get(m.getPropertyName()))
attributes.put(m.getPropertyName(), m.getDefaultValue());
}
}
private void checkForRequiredAttributes(String tagName, Map attributes, Map mappings)
throws ParserException {
if (mappings == null) return;
Iterator i = mappings.entrySet().iterator();
while (i.hasNext()) {
Map.Entry e = (Map.Entry) i.next();
TagMap.AttributeMapping m = (TagMap.AttributeMapping) e.getValue();
if (null != m && m.getRequired())
if (null == mappings || null == attributes.get(m.getPropertyName()))
throw new ParserException(
"An attribute that maps to property name: "
+ m.getPropertyName()
+ " is required and was not specified for tag:"
+ tagName
+ "!");
}
}
private Map attributeMap(String tagName, Attributes atts) throws ParserException {
if (null == tagName || null == atts) return null;
Map mapping = null;
try {
mapping = (Map) attributeMaps.get(tagName);
} catch (Exception e) {
throw new ParserException(
"Typecast error, unknown element found in attribute list mappings! " + e.getMessage());
}
if (null == mapping) return null;
Map resultMapping = new HashMap();
for (int i = 0; i < atts.getLength(); i++) {
String xmlName = atts.getQName(i);
String value = atts.getValue(i);
TagMap.AttributeMapping aMap = null;
try {
aMap = (TagMap.AttributeMapping) mapping.get(xmlName);
} catch (Exception e) {
throw new ParserException(
"Typecast error, unknown element found in property mapping! " + e.getMessage());
}
if (null == aMap)
throw new ParserException(
"No attribute mapping specified for attribute: " + xmlName + " in tag: " + tagName);
String propertyName = aMap.getPropertyName();
try {
resultMapping.put(propertyName, aMap.convertValue(value));
} catch (Exception e) {
throw new ParserException(
"Can not convert given value: \""
+ value
+ "\" to specified type: "
+ aMap.getType()
+ " for attribute: "
+ xmlName
+ " in tag: "
+ tagName
+ "! "
+ e.getMessage());
}
}
checkForRequiredAttributes(tagName, resultMapping, mapping);
addDefaultValues(resultMapping, mapping);
return resultMapping;
}