/** {@inheritDoc} */
@Override
public ActionForward execute(
@SuppressWarnings("unused") ActionMapping mapping,
@SuppressWarnings("unused") ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
HttpSession session = request.getSession();
final InterMineAPI im = SessionMethods.getInterMineAPI(session);
ObjectStore os = im.getObjectStore();
WebConfig webConfig = SessionMethods.getWebConfig(request);
Integer objectId = new Integer(request.getParameter("object"));
String fieldName = request.getParameter("field");
String fileType = request.getParameter("type");
InterMineObject object = os.getObjectById(objectId);
FieldExporter fieldExporter = null;
Set classes = DynamicUtil.decomposeClass(object.getClass());
Iterator classIter = classes.iterator();
while (classIter.hasNext()) {
Class c = (Class) classIter.next();
Type thisTypeConfig = webConfig.getTypes().get(c.getName());
FieldConfig fc = thisTypeConfig.getFieldConfigMap().get(fieldName);
if (fc != null) {
String fieldExporterClassName = fc.getFieldExporter();
if (fieldExporterClassName != null) {
fieldExporter = (FieldExporter) Class.forName(fieldExporterClassName).newInstance();
break;
}
}
}
if (fieldExporter == null) {
Object fieldValue = object.getFieldValue(fieldName);
if (fileType == null || fileType.length() == 0) {
response.setContentType("text/plain; charset=UTF-8");
response.setHeader("Content-Disposition ", "inline; filename=" + fieldName + ".txt");
} else {
response.setContentType("text/" + fileType);
response.setHeader(
"Content-Disposition ", "inline; filename=" + fieldName + "." + fileType);
}
PrintStream out = new PrintStream(response.getOutputStream());
if (fieldValue instanceof ClobAccess) {
((ClobAccess) fieldValue).drainToPrintStream(out);
} else {
out.print(fieldValue);
}
out.flush();
} else {
fieldExporter.exportField(object, fieldName, os, response);
}
return null;
}
// In a future Java8 world, this should produce a Stream<FieldConfig>, to avoid the double loop.
private static Collection<FieldConfig> resultConfigs(WebConfig webConfig, ClassDescriptor cld) {
final List<FieldConfig> fieldConfigs = getClassFieldConfigs(webConfig, cld);
Iterator<FieldConfig> it = fieldConfigs.iterator();
while (it.hasNext()) {
FieldConfig f = it.next();
if (!f.getShowInResults()) {
it.remove();
}
}
return fieldConfigs;
}
/**
* Return a list of string paths that are defined as WebConfig to be shown in results. This will
* include only attributes of the given class and not follow references. Optionally provide a
* prefix to for creating a view for references/collections.
*
* @param type the class name to create a view for
* @param model the model
* @param webConfig we configuration
* @param startingPath a path to prefix the class, can be null
* @return the configured view paths for the class
*/
public static List<String> getDefaultViewForClass(
String type, Model model, WebConfig webConfig, String startingPath) {
String prefix = startingPath;
List<String> view = new ArrayList<String>();
ClassDescriptor cld = model.getClassDescriptorByName(type);
List<FieldConfig> fieldConfigs = getClassFieldConfigs(webConfig, cld);
if (!StringUtils.isEmpty(prefix)) {
try {
// we can't add a subclass constraint, type must be same as the end of the prefix
Path prefixPath = new Path(model, prefix);
String prefixEndType = TypeUtil.unqualifiedName(prefixPath.getEndType().getName());
if (!prefixEndType.equals(type)) {
throw new IllegalArgumentException(
"Mismatch between end type of prefix: "
+ prefixEndType
+ " and type parameter: "
+ type);
}
} catch (PathException e) {
LOG.error("Invalid path configured in webconfig for class: " + type);
}
} else {
prefix = type;
}
for (FieldConfig fieldConfig : fieldConfigs) {
String relPath = fieldConfig.getFieldExpr();
// only add attributes, don't follow references, following references can be problematic
// when subclasses get involved.
if (fieldConfig.getShowInResults()) {
try {
Path path = new Path(model, prefix + "." + relPath);
// use type (e.g. Protein) not prefix (e.g. Gene.proteins) to do
// attribute check
Path checkIsOnlyAttribute = new Path(model, type + "." + relPath);
if (checkIsOnlyAttribute.isOnlyAttribute()) {
view.add(path.getNoConstraintsString());
}
} catch (PathException e) {
LOG.error("Invalid path configured in webconfig for class: " + type);
}
}
}
if (view.size() == 0) {
for (AttributeDescriptor att : cld.getAllAttributeDescriptors()) {
if (!"id".equals(att.getName())) {
view.add(prefix + "." + att.getName());
}
}
}
return view;
}
private static List<String> getSubview(WebConfig webConfig, Model m, Path path)
throws PathException {
List<String> subview = new ArrayList<String>();
String basePath = path.toStringNoConstraints() + ".";
List<FieldConfig> subconfs = getClassFieldConfigs(webConfig, path.getEndClassDescriptor());
for (FieldConfig fc : subconfs) {
String pathString = basePath + fc.getFieldExpr();
Path pathToAdd = new Path(m, pathString);
if (pathToAdd.endIsAttribute() && (fc.getDisplayer() == null && fc.getShowInSummary())) {
subview.add(pathToAdd.getNoConstraintsString());
}
}
return subview;
}
private Map<String, Object> getObjectDetails(InterMineObject imo) {
WebConfig webConfig = InterMineContext.getWebConfig();
Model m = im.getModel();
Map<String, Object> objectDetails = new HashMap<String, Object>();
String className = DynamicUtil.getSimpleClassName(imo.getClass());
ClassDescriptor cd = m.getClassDescriptorByName(className);
for (FieldConfig fc : FieldConfigHelper.getClassFieldConfigs(webConfig, cd)) {
try {
Path p = new Path(m, cd.getUnqualifiedName() + "." + fc.getFieldExpr());
if (p.endIsAttribute() && fc.getShowInSummary()) {
objectDetails.put(
p.getNoConstraintsString().replaceAll("^[^.]*\\.", ""), PathUtil.resolvePath(p, imo));
}
} catch (PathException e) {
LOG.error(e);
}
}
return objectDetails;
}
/**
* Used for making a query for a reference or collection. Only used when a user clicks on [show
* all] under an inline table on an Object's report page. The type of that object is
* "startingPath", eg. Department. This path will be prepended to every path in the query. The
* "type" is the type of the reference/collection, eg. Employee.
*
* <p>TODO use getDefaultViewForClass() instead
*
* @param objType class of object we are querying for eg. Manager
* @param model the model
* @param webConfig the webconfig
* @param fieldType the type of the field this object is in, eg Employee
* @return query, eg. Department.employees.name
*/
protected static PathQuery getQueryWithDefaultView(
String objType, Model model, WebConfig webConfig, String fieldType) {
String prefix = fieldType;
PathQuery query = new PathQuery(model);
ClassDescriptor cld = model.getClassDescriptorByName(objType);
List<FieldConfig> fieldConfigs = getClassFieldConfigs(webConfig, cld);
if (!StringUtils.isBlank(prefix)) {
try {
// if the type is different to the end of the prefix path, add a subclass constraint
Path fieldPath = new Path(model, fieldType);
String fieldEndType = TypeUtil.unqualifiedName(fieldPath.getEndType().getName());
if (!fieldEndType.equals(objType)) {
query.addConstraint(Constraints.type(fieldType, objType));
}
} catch (PathException e) {
LOG.error("Invalid path configured in webconfig for class: " + objType);
}
}
for (FieldConfig fieldConfig : fieldConfigs) {
if (fieldConfig.getShowInResults()) {
String path = prefix + "." + fieldConfig.getFieldExpr();
int from = prefix.length() + 1;
while (path.indexOf('.', from) != -1) {
int dotPos = path.indexOf('.', from);
int nextDot = path.indexOf('.', dotPos + 1);
String outerJoin = nextDot == -1 ? path.substring(0, dotPos) : path.substring(0, nextDot);
query.setOuterJoinStatus(outerJoin, OuterJoinStatus.OUTER);
from = dotPos + 1;
}
query.addView(path);
}
}
if (query.getView().size() == 0) {
for (AttributeDescriptor att : cld.getAllAttributeDescriptors()) {
if (!"id".equals(att.getName())) {
query.addView(prefix + "." + att.getName());
}
}
}
return query;
}
/** {@inheritDoc} */
@Override
public ActionForward execute(
ComponentContext context,
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
HttpSession session = request.getSession();
final InterMineAPI im = SessionMethods.getInterMineAPI(session);
InterMineBag imBag = (InterMineBag) request.getAttribute("bag");
WebConfig webConfig = SessionMethods.getWebConfig(request);
Model model = im.getModel();
TemplateManager templateManager = im.getTemplateManager();
Map<Class, ApiTemplate> conversionTypesMap =
TypeConverter.getConversionTemplates(
templateManager.getConversionTemplates(),
TypeUtil.instantiate(model.getPackageName() + "." + imBag.getType()));
ArrayList<String> conversionTypes = new ArrayList<String>();
Map<Type, Boolean> fastaMap = new HashMap<Type, Boolean>();
for (Class<?> clazz : conversionTypesMap.keySet()) {
conversionTypes.add(TypeUtil.unqualifiedName(clazz.getName()));
Type type = webConfig.getTypes().get(clazz.getName());
FieldConfig fieldConfig = type.getFieldConfigMap().get("length");
if (fieldConfig != null && fieldConfig.getDisplayer() != null) {
fastaMap.put(type, Boolean.TRUE);
} else {
fastaMap.put(type, Boolean.FALSE);
}
}
// Use custom converters
BagQueryConfig bagQueryConfig = im.getBagQueryConfig();
String bagType = imBag.getType();
Set<AdditionalConverter> additionalConverters = bagQueryConfig.getAdditionalConverters(bagType);
request.setAttribute("customConverters", additionalConverters);
request.setAttribute("conversionTypes", conversionTypes);
request.setAttribute("fastaMap", fastaMap);
return null;
}
/**
* Get the view as configured in the webconfig. Guarantees to return a non-empty non-null list.
*
* @param type The type we are trying to get a view for.
* @param model The data model
* @param webConfig The web-configuration.
* @param fieldConfigs
* @return The list of paths that we can use to construct a query.
* @throws UnconfiguredException if the class has not configured view.
*/
private static List<String> getConfiguredView(ClassDescriptor cld, WebConfig webConfig)
throws UnconfiguredException {
Collection<String> view = new LinkedHashSet<String>(); // Preserve order and uniqueness.
Model m = cld.getModel();
for (FieldConfig fieldConfig : resultConfigs(webConfig, cld)) {
try {
Path p = new Path(m, cld.getUnqualifiedName() + "." + fieldConfig.getFieldExpr());
// add subpaths of references and roots, attrs themselves, ignore collections.
if (p.isRootPath() || p.endIsReference()) {
view.addAll(getSubview(webConfig, m, p));
} else if (p.endIsAttribute()) {
view.add(p.getNoConstraintsString());
}
} catch (PathException e) {
LOG.error("Invalid path configured in webconfig for class: " + cld);
}
}
if (view.isEmpty()) {
throw new UnconfiguredException();
}
return new ArrayList<String>(view);
}
/**
* Return a list of string paths that are defined as WebConfig to be shown in results. This will
* include attributes of the given class and follow references.
*
* @param type the class name to create a view for
* @param model the model
* @param webConfig we configuration
* @return the configured view paths for the class
*/
public static List<String> getDefaultViewForClass(String type, Model model, WebConfig webConfig) {
List<String> view = new ArrayList<String>();
ClassDescriptor cld = model.getClassDescriptorByName(type);
List<FieldConfig> fieldConfigs = FieldConfigHelper.getClassFieldConfigs(webConfig, cld);
for (FieldConfig fieldConfig : fieldConfigs) {
String relPath = fieldConfig.getFieldExpr();
// only add attributes, don't follow references, following references can be problematic
// when subclasses get involved.
if (fieldConfig.getShowInResults()) {
try {
Path path = new Path(model, type + "." + relPath);
// add references
if (path.isRootPath() || path.endIsReference()) {
for (FieldConfig fc :
FieldConfigHelper.getClassFieldConfigs(webConfig, path.getEndClassDescriptor())) {
Path pathToAdd =
new Path(model, path.toStringNoConstraints() + "." + fc.getFieldExpr());
if (pathToAdd.endIsAttribute()
&& (!view.contains(pathToAdd.getNoConstraintsString()))
&& (fc.getDisplayer() == null && fc.getShowInSummary())) {
view.add(pathToAdd.getNoConstraintsString());
}
}
// add collections
} else if (!path.endIsCollection()) {
view.add(path.getNoConstraintsString());
}
} catch (PathException e) {
LOG.error("Invalid path configured in webconfig for class: " + type);
}
}
}
if (view.size() == 0) {
for (AttributeDescriptor att : cld.getAllAttributeDescriptors()) {
if (!"id".equals(att.getName())) {
view.add(type + "." + att.getName());
}
}
}
return view;
}
