private void emitConfig(ModuleMetaModel metaModel) {
JSON descriptor = new JSON();
// Application configs
for (ApplicationMetaModel application : metaModel.getChildren(ApplicationMetaModel.class)) {
//
metaModel.processingContext.log(
"Emitting application " + application.getHandle() + " config");
// Recycle
descriptor.clear();
// Emit config
for (ApplicationMetaModelPlugin plugin : context.getPlugins()) {
JSON pluginDescriptor = plugin.getDescriptor(application);
if (pluginDescriptor != null) {
descriptor.set(plugin.getName(), pluginDescriptor);
}
}
//
Writer writer = null;
try {
FileObject fo =
metaModel.processingContext.createResource(
StandardLocation.CLASS_OUTPUT, application.getName(), "config.json");
writer = fo.openWriter();
descriptor.toString(writer, 2);
} catch (IOException e) {
throw ApplicationMetaModel.CANNOT_WRITE_APPLICATION_CONFIG.failure(
e, metaModel.processingContext.get(application.getHandle()), application.getName());
} finally {
Tools.safeClose(writer);
}
}
}
private static <A extends Appendable> A toString(
Object o, A appendable, final int margin, final int indent) throws IOException {
if (o == null) {
appendable.append("null");
} else if (o instanceof JSON) {
JSON m = (JSON) o;
appendable.append('{');
for (Iterator<? extends Map.Entry<?, ?>> iterator = m.entries.entrySet().iterator();
iterator.hasNext(); ) {
Map.Entry<?, ?> entry = iterator.next();
if (indent > 0) {
appendable.append('\n');
pad(appendable, margin + indent);
}
appendable.append('"');
appendable.append(entry.getKey().toString());
appendable.append("\":");
toString(entry.getValue(), appendable, margin + indent, indent);
if (iterator.hasNext()) {
appendable.append(',');
} else if (indent > 0) {
appendable.append('\n');
pad(appendable, margin);
}
}
appendable.append('}');
} else if (o instanceof List) {
appendable.append('[');
List<?> list = (List<?>) o;
for (Iterator<?> i = list.iterator(); i.hasNext(); ) {
Object e = i.next();
toString(e, appendable, margin + indent, indent);
if (i.hasNext()) {
appendable.append(',');
}
}
appendable.append("]");
} else if (o instanceof Boolean || o instanceof Number) {
appendable.append(o.toString());
} else {
appendable.append('"');
CharSequence s = o instanceof CharSequence ? (CharSequence) o : o.toString();
for (int i = 0, len = s.length(); i < len; i++) {
char c = s.charAt(i);
switch (c) {
case '"':
appendable.append("\\\"");
break;
case '\n':
appendable.append("\\n");
break;
case '\r':
appendable.append("\\r");
break;
case '\b':
appendable.append("\\b");
break;
case '\f':
appendable.append("\\f");
break;
case '\t':
appendable.append("\\t");
break;
default:
appendable.append(c);
}
}
appendable.append('"');
}
//
return appendable;
}