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package it.niedermann.owncloud.notes.persistence.sync;
import android.graphics.Color;
import androidx.annotation.ColorInt;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import java.lang.reflect.Type;
import it.niedermann.android.util.ColorUtil;
import it.niedermann.owncloud.notes.shared.model.Capabilities;
/**
* Deserialization of <code><a href="https://docs.nextcloud.com/server/latest/developer_manual/client_apis/OCS/ocs-api-overview.html?highlight=ocs#theming-capabilities">OcsCapabilities</a></code> to {@link Capabilities} is more complex than just mapping the JSON values to the Pojo properties.
*
* <ul>
* <li>The supported API versions of the Notes app are checked and <code>null</code>ed in case they are not present to maintain backward compatibility</li>
* <li>The color hex codes of the theming app are sanitized and mapped to {@link ColorInt}s</li>
* </ul>
*/
public class CapabilitiesDeserializer implements JsonDeserializer<Capabilities> {
private static final String CAPABILITIES = "capabilities";
private static final String CAPABILITIES_NOTES = "notes";
private static final String CAPABILITIES_NOTES_API_VERSION = "api_version";
private static final String CAPABILITIES_THEMING = "theming";
private static final String CAPABILITIES_THEMING_COLOR = "color";
private static final String CAPABILITIES_THEMING_COLOR_TEXT = "color-text";
private static final String CAPABILITIES_FILES = "files";
private static final String CAPABILITIES_FILES_DIRECT_EDITING = "directEditing";
private static final String CAPABILITIES_FILES_DIRECT_EDITING_SUPPORTS_FILE_ID = "supportsFileId";
@Override
public Capabilities deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
final var response = new Capabilities();
final var data = json.getAsJsonObject();
if (data.has(CAPABILITIES)) {
final var capabilities = data.getAsJsonObject(CAPABILITIES);
if (capabilities.has(CAPABILITIES_NOTES)) {
final var notes = capabilities.getAsJsonObject(CAPABILITIES_NOTES);
if (notes.has(CAPABILITIES_NOTES_API_VERSION)) {
response.setApiVersion(notes.get(CAPABILITIES_NOTES_API_VERSION).toString());
}
}
if (capabilities.has(CAPABILITIES_THEMING)) {
final var theming = capabilities.getAsJsonObject(CAPABILITIES_THEMING);
if (theming.has(CAPABILITIES_THEMING_COLOR)) {
try {
response.setColor(Color.parseColor(ColorUtil.formatColorToParsableHexString(theming.get(CAPABILITIES_THEMING_COLOR).getAsString())));
} catch (Exception e) {
e.printStackTrace();
}
}
if (theming.has(CAPABILITIES_THEMING_COLOR_TEXT)) {
try {
response.setTextColor(Color.parseColor(ColorUtil.formatColorToParsableHexString(theming.get(CAPABILITIES_THEMING_COLOR_TEXT).getAsString())));
} catch (Exception e) {
e.printStackTrace();
}
}
}
response.setDirectEditingAvailable(hasDirectEditingCapability(capabilities));
}
return response;
}
private boolean hasDirectEditingCapability(final JsonObject capabilities) {
if (capabilities.has(CAPABILITIES_FILES)) {
final var files = capabilities.getAsJsonObject(CAPABILITIES_FILES);
if (files.has(CAPABILITIES_FILES_DIRECT_EDITING)) {
final var directEditing = files.getAsJsonObject(CAPABILITIES_FILES_DIRECT_EDITING);
if (directEditing.has(CAPABILITIES_FILES_DIRECT_EDITING_SUPPORTS_FILE_ID)) {
return directEditing.get(CAPABILITIES_FILES_DIRECT_EDITING_SUPPORTS_FILE_ID).getAsBoolean();
}
}
}
return false;
}
}
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