public String buildUiXml(
final String templateContents,
final String destFile,
final List<MethodMetadata> proxyMethods) {
FileReader fileReader = null;
try {
final DocumentBuilder builder = XmlUtils.getDocumentBuilder();
builder.setEntityResolver(
new EntityResolver() {
public InputSource resolveEntity(final String publicId, final String systemId)
throws SAXException, IOException {
if (systemId.equals("http://dl.google.com/gwt/DTD/xhtml.ent")) {
return new InputSource(
FileUtils.getInputStream(GwtScaffoldMetadata.class, "templates/xhtml.ent"));
}
// Use the default behaviour
return null;
}
});
InputSource source = new InputSource();
source.setCharacterStream(new StringReader(templateContents));
final Document templateDocument = builder.parse(source);
if (!new File(destFile).exists()) {
return transformXml(templateDocument);
}
source = new InputSource();
fileReader = new FileReader(destFile);
source.setCharacterStream(fileReader);
final Document existingDocument = builder.parse(source);
// Look for the element holder denoted by the 'debugId' attribute
// first
Element existingHoldingElement =
XmlUtils.findFirstElement(
"//*[@debugId='" + "boundElementHolder" + "']",
existingDocument.getDocumentElement());
Element templateHoldingElement =
XmlUtils.findFirstElement(
"//*[@debugId='" + "boundElementHolder" + "']",
templateDocument.getDocumentElement());
// If holding element isn't found then the holding element is either
// not widget based or using the old convention of 'id' so look for
// the element holder with an 'id' attribute
if (existingHoldingElement == null) {
existingHoldingElement =
XmlUtils.findFirstElement(
"//*[@id='" + "boundElementHolder" + "']", existingDocument.getDocumentElement());
}
if (templateHoldingElement == null) {
templateHoldingElement =
XmlUtils.findFirstElement(
"//*[@id='" + "boundElementHolder" + "']", templateDocument.getDocumentElement());
}
if (existingHoldingElement != null) {
final Map<String, Element> templateElementMap = new LinkedHashMap<String, Element>();
for (final Element element : XmlUtils.findElements("//*[@id]", templateHoldingElement)) {
templateElementMap.put(element.getAttribute("id"), element);
}
final Map<String, Element> existingElementMap = new LinkedHashMap<String, Element>();
for (final Element element : XmlUtils.findElements("//*[@id]", existingHoldingElement)) {
existingElementMap.put(element.getAttribute("id"), element);
}
if (existingElementMap.keySet().containsAll(templateElementMap.values())) {
return transformXml(existingDocument);
}
final List<Element> elementsToAdd = new ArrayList<Element>();
for (final Map.Entry<String, Element> entry : templateElementMap.entrySet()) {
if (!existingElementMap.keySet().contains(entry.getKey())) {
elementsToAdd.add(entry.getValue());
}
}
final List<Element> elementsToRemove = new ArrayList<Element>();
for (final Map.Entry<String, Element> entry : existingElementMap.entrySet()) {
if (!templateElementMap.keySet().contains(entry.getKey())) {
elementsToRemove.add(entry.getValue());
}
}
for (final Element element : elementsToAdd) {
final Node importedNode = existingDocument.importNode(element, true);
existingHoldingElement.appendChild(importedNode);
}
for (final Element element : elementsToRemove) {
existingHoldingElement.removeChild(element);
}
if (elementsToAdd.size() > 0) {
final List<Element> sortedElements = new ArrayList<Element>();
for (final MethodMetadata method : proxyMethods) {
final String propertyName =
StringUtils.uncapitalize(
BeanInfoUtils.getPropertyNameForJavaBeanMethod(method).getSymbolName());
final Element element =
XmlUtils.findFirstElement(
"//*[@id='" + propertyName + "']", existingHoldingElement);
if (element != null) {
sortedElements.add(element);
}
}
for (final Element el : sortedElements) {
if (el.getParentNode() != null && el.getParentNode().equals(existingHoldingElement)) {
existingHoldingElement.removeChild(el);
}
}
for (final Element el : sortedElements) {
existingHoldingElement.appendChild(el);
}
}
return transformXml(existingDocument);
}
return transformXml(templateDocument);
} catch (final Exception e) {
throw new IllegalStateException(e);
} finally {
IOUtils.closeQuietly(fileReader);
}
}
/**
* Obtains the "toString" method for this type, if available.
*
* <p>If the user provided a non-default name for "toString", that method will be returned.
*
* @return the "toString" method declared on this type or that will be introduced (or null if
* undeclared and not introduced)
*/
public MethodMetadata getToStringMethod() {
// Compute the relevant toString method name
JavaSymbolName methodName = new JavaSymbolName("toString");
if (!this.toStringMethod.equals("")) {
methodName = new JavaSymbolName(this.toStringMethod);
}
// See if the type itself declared the method
MethodMetadata result =
MemberFindingUtils.getDeclaredMethod(governorTypeDetails, methodName, null);
if (result != null) {
return result;
}
// Decide whether we need to produce the toString method
if (this.toStringMethod.equals("")) {
return null;
}
InvocableMemberBodyBuilder bodyBuilder = new InvocableMemberBodyBuilder();
bodyBuilder.appendFormalLine("StringBuilder sb = new StringBuilder();");
/** Key: field name, Value: accessor name */
Map<String, String> map = new LinkedHashMap<String, String>();
/** Field names */
List<String> order = new ArrayList<String>();
Set<String> excludeFieldsSet = new LinkedHashSet<String>();
if (excludeFields != null && excludeFields.length > 0) {
Collections.addAll(excludeFieldsSet, excludeFields);
}
for (MethodMetadata accessor : locatedAccessors) {
String accessorName = accessor.getMethodName().getSymbolName();
String fieldName = BeanInfoUtils.getPropertyNameForJavaBeanMethod(accessor).getSymbolName();
if (!excludeFieldsSet.contains(StringUtils.uncapitalize(fieldName))
&& !map.containsKey(fieldName)) {
String accessorText = accessorName + "()";
if (accessor.getReturnType().isCommonCollectionType()) {
accessorText = accessorName + "() == null ? \"null\" : " + accessorName + "().size()";
} else if (accessor.getReturnType().isArray()) {
accessorText = "java.util.Arrays.toString(" + accessorName + "())";
} else if (Calendar.class
.getName()
.equals(accessor.getReturnType().getFullyQualifiedTypeName())) {
accessorText = accessorName + "() == null ? \"null\" : " + accessorName + "().getTime()";
}
map.put(fieldName, accessorText);
order.add(fieldName);
}
}
if (!order.isEmpty()) {
int index = 0;
int size = map.keySet().size();
for (String fieldName : order) {
index++;
String accessorText = map.get(fieldName);
StringBuilder string = new StringBuilder();
string
.append("sb.append(\"")
.append(fieldName)
.append(": \").append(")
.append(accessorText)
.append(")");
if (index < size) {
string.append(".append(\", \")");
}
string.append(";");
bodyBuilder.appendFormalLine(string.toString());
}
bodyBuilder.appendFormalLine("return sb.toString();");
MethodMetadataBuilder methodBuilder =
new MethodMetadataBuilder(getId(), Modifier.PUBLIC, methodName, STRING, bodyBuilder);
result = methodBuilder.build();
}
return result;
}
