import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
+
import com.google.gson.JsonElement;
import com.google.gson.JsonNull;
import com.google.gson.JsonObject;
private static final Map<String, ResourceLoader> resourceLoaders = new HashMap<>();
private static final Map<String, JsonObject> componentCache = new HashMap<>();
+ private static final ResourceLoader defaultResourceLoader;
static
{
+ defaultResourceLoader = ClassLoaderBasedResourceLoader.create(IndirectGUIComponentCreator.class.getClassLoader());
loadStandardComponentIDs(IndirectGUIComponentCreator.class.getResourceAsStream("standardComponentIDMapping.json"));
}
public static void addStandardComponentID(String standardComponentID, String associatedComponentID)
{
- if (!associatedComponentID.matches("(file|class|resource):.+"))
+ if (!checkIDIsValidResolvedID(associatedComponentID))
throw new IllegalArgumentException("Unrecognized component ID format: " + associatedComponentID);
standardComponentIDs.put(standardComponentID, associatedComponentID);
}
public static GUIComponent createComponent(ViewModelModifiable model, String id, JsonElement params, String name)
{
- if (id != null)
+ if (id == null)
+ throw new NullPointerException("Component ID is null");
+ if (componentCache.containsKey(id))
+ return loadComponentFromJsonObject(model, id, name, componentCache.get(id));
+ String resolvedID = resolveID(id);
+ if (resolvedID == null)
+ throw new IllegalArgumentException("Unknown standard ID or illegal resolved ID: " + id);
+ String[] parts = resolvedID.split(":");
+ String firstPart = parts[0];
+ if (firstPart.equals("jsonfile"))
{
- if (componentCache.containsKey(id))
- return loadComponentFromJsonObject(model, id, name, componentCache.get(id));
- String resolvedID = resolveID(id);
- if (resolvedID != null)
+ JsonObject jsonContents;
+ try
{
- if (resolvedID.startsWith("class:"))
- {
- String className = resolvedID.substring(6);
- tryLoadComponentClass(className);
- ComponentSupplier componentSupplier = componentSuppliers.get(className);
- if (componentSupplier != null)
- return componentSupplier.create(model, params, name);
- throw new IllegalArgumentException("Component supplier not found for ID " + id + " (resolved: " + resolvedID + ")");
- } else if (params != null && !JsonNull.INSTANCE.equals(params))
- throw new IllegalArgumentException("Can't give params to a component deserialized from a JSON file");
- if (resolvedID.startsWith("resource:"))
- {
- String[] parts = resolvedID.split(":");
- if (parts.length != 3)
- throw new IllegalArgumentException("invaild resource id: " + resolvedID);
- String rLoadID = parts[1];
- String resID = parts[2];
- try
- {
- ResourceLoader loader;
- if (!resourceLoaders.containsKey(rLoadID))
- {
- Class<?> c = Class.forName(rLoadID);
- if (ResourceLoader.class.isAssignableFrom(c))
- loader = (ResourceLoader) c.getConstructor().newInstance();
- else
- loader = (ResourceLoader) Objects.requireNonNull(c.getMethod("resourceLoader").invoke(null));
- resourceLoaders.put(rLoadID, loader);
- } else
- {
- loader = Objects.requireNonNull(resourceLoaders.get(parts[1]));
- }
- if (resID.endsWith(".json"))
- {
- JsonObject jsonContents = JsonHandler.readJson(loader.loadResource(resID), JsonObject.class);
- return loadComponentFromJsonObject(model, id, name, jsonContents);
- }
- if (!componentSuppliers.containsKey(resID))
- loader.loadClass(resID);
- ComponentSupplier componentSupplier = componentSuppliers.get(resID);
- if (componentSupplier != null)
- return componentSupplier.create(model, params, name);
- throw new IllegalArgumentException("Component supplier not found for ID " + id + " (class cannot initialize?)");
- }
- catch (IOException e)
- {
- throw new UncheckedIOException(e);
- }
- catch (ClassCastException | ReflectiveOperationException e)
- {
- throw new IllegalArgumentException("class not found / invaild resource loader specified:" + parts[1], e);
- }
- } else if (resolvedID.startsWith("file:"))
+ // don't use parts[1], because the path could contain ':'
+ jsonContents = JsonHandler.readJson(resolvedID.substring("jsonfile:".length()), JsonObject.class);
+ }
+ catch (IOException e)
+ {
+ throw new UncheckedIOException("Error loading JSON file", e);
+ }
+ return loadComponentFromJsonObject(model, id, name, jsonContents);
+ }
+ ResourceLoader loader;
+ String resTypeID;
+ String resID;
+ if (firstPart.equals("resloader"))
+ {
+ String loaderID = parts[1];
+ loader = resourceLoaders.get(loaderID);
+ if (loader == null)
+ tryLoadResourceLoader(loaderID);
+ loader = resourceLoaders.get(loaderID);
+ if (loader == null)
+ throw new IllegalArgumentException(
+ "Unknown resource loader: " + loaderID + " (but class was found. Probably the static initializer is missing)");
+ resTypeID = parts[2];
+ resID = parts[3];
+ } else
+ {
+ loader = defaultResourceLoader;
+ resTypeID = parts[0];
+ resID = parts[1];
+ }
+ if (resTypeID.equals("jsonres"))
+ {
+ JsonObject jsonContents;
+ try
+ {
+ @SuppressWarnings("resource") // jsonStream is closed in JsonHandler
+ InputStream jsonStream = Objects.requireNonNull(loader.loadResource(resID), "Error loading JSON resource: Not found");
+ jsonContents = JsonHandler.readJson(jsonStream, JsonObject.class);
+ }
+ catch (IOException e)
+ {
+ throw new UncheckedIOException("Error loading JSON resource", e);
+ }
+ return loadComponentFromJsonObject(model, id, name, jsonContents);
+ } else if (resTypeID.equals("class"))
+ {
+ ComponentSupplier componentSupplier = componentSuppliers.get(resID);
+ if (componentSupplier == null)
+ try
{
- try
- {
- String filename = resolvedID.substring(5);
- JsonObject jsonContents = JsonHandler.readJson(filename, JsonObject.class);
- return loadComponentFromJsonObject(model, id, name, jsonContents);
- }
- catch (IOException e)
- {
- throw new UncheckedIOException(e);
- }
- } else
+ loader.loadClass(resID);
+ }
+ catch (@SuppressWarnings("unused") ClassNotFoundException e)
{
- throw new IllegalArgumentException("unable to resolve/interpret id" + resolvedID);
+ throw new IllegalArgumentException("Unknown component supplier: " + resID);
}
- }
- }
- throw new RuntimeException("Could not get component supplier for ID " + id);
+ componentSupplier = componentSuppliers.get(resID);
+ if (componentSupplier == null)
+ throw new IllegalArgumentException(
+ "Unknown component supplier: " + resID + " (but class was found. Probably the static initializer is missing)");
+ return componentSupplier.create(model, params, name);
+ } else
+ throw new IllegalStateException("Unknown resource type ID: " + resTypeID);
}
public static String resolveID(String id)
{
- if (id.matches("(file|class|resource):.+"))
+ if (checkIDIsValidResolvedID(id))
return id;
return standardComponentIDs.get(id);
}
+ private static boolean checkIDIsValidResolvedID(String id)
+ {
+ return id.matches("jsonfile:(.+)|(resloader:([^:]+):)?(jsonres|class):[^:]+");
+ }
+
private static SubmodelComponent loadComponentFromJsonObject(ViewModelModifiable model, String id, String name, JsonObject jsonContents)
{
componentCache.putIfAbsent(id, jsonContents);
resourceLoaders.put(reference, Objects.requireNonNull(resourceLoader));
}
- private static void tryLoadComponentClass(String componentClassName)
+ private static void tryLoadResourceLoader(String loaderClassName)
{
- CodeSnippetSupplier.tryInvokeStaticInitializer(componentClassName, "Error loading component class %s: %s\n");
+ CodeSnippetSupplier.tryInvokeStaticInitializer(loaderClassName, "Error loading resoruce loader %s: %s\n");
}
public static interface ComponentSupplier
projects / Mograsim.git / blobdiff