Author: lgiessmann Date: Mon Sep 5 02:48:18 2011 New Revision: 829

Log: gdl-frontend: Widgets: implemented the class IsidorusConstants that contains all addresses etc. of isidorus and can be easily changed; finalised the commit-handler for instances of http://textgrid.org/serviceregistry/model/types/Hash-Object

Added: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/IsidorusConstants.java Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/CommitCallback.java branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/DeleteCallback.java branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java

Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/CommitCallback.java ============================================================================== --- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/CommitCallback.java Mon Sep 5 01:56:36 2011 (r828) +++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/CommitCallback.java Mon Sep 5 02:48:18 2011 (r829) @@ -11,7 +11,10 @@ import com.google.gwt.http.client.RequestException; import com.google.gwt.http.client.Response; import com.google.gwt.http.client.URL; +import com.google.gwt.json.client.JSONArray; import com.google.gwt.json.client.JSONObject; +import com.google.gwt.json.client.JSONParser; +import com.google.gwt.json.client.JSONString; import com.google.gwt.json.client.JSONValue; import com.google.gwt.user.client.Window; import us.isidor.gdl.anaToMia.TopicMaps.TmEngineModel.ExporterException; @@ -28,9 +31,9 @@

public class CommitCallback implements ICommitCallback{ - public final String DELETE_REUQEST_URL = ""; // TODO: set actual URL value - public final String COMMIT_REQUEST_URL = ""; // TODO: set actual URL value - public final String GET_REQUEST_URL = ""; // TODO: set actual URL value + public final String DELETE_REUQEST_URL = IsidorusConstants.DELETE_REUQEST_URL; + public final String COMMIT_REQUEST_URL = IsidorusConstants.COMMIT_REQUEST_URL; + public final String GET_REQUEST_URL = IsidorusConstants.GET_FRAGMENT_REQUEST_URL; @Override @@ -199,7 +202,6 @@ }

- private class HashObjectCommitRequest implements RequestCallback { private String objectToBeSend = null; @@ -231,7 +233,6 @@ } - private class EditedHashObjectCommitRequest implements RequestCallback{ private JSONValue requestedData = null; private String objectToBeSend = null; @@ -255,15 +256,18 @@ public void onResponseReceived(Request request, Response response) { if (200 == response.getStatusCode()) { if(this.requestedData == null){ - JSONObject occurrenceToBeDeleted = null; // TODO: get from response - - RequestBuilder deleteBuilder = new RequestBuilder(RequestBuilder.DELETE, this.deleteUrl); - deleteBuilder.setHeader("Content-type", "application/json"); - try{ - deleteBuilder.sendRequest(occurrenceToBeDeleted.toString(), new EditedHashObjectCommitRequest(occurrenceToBeDeleted, this.objectToBeSend, true)); - }catch(RequestException e){ - Window.alert("could not commit the topic: " + this.objectToBeSend + ", because(" + e.getClass() + "): " + e.getMessage()); - } + JSONObject occurrenceToBeDeleted = this.getOccurrenceTobeDeleted(response.getText()); + if(occurrenceToBeDeleted != null){ + RequestBuilder deleteBuilder = new RequestBuilder(RequestBuilder.DELETE, this.deleteUrl); + deleteBuilder.setHeader("Content-type", "application/json"); + try{ + deleteBuilder.sendRequest(occurrenceToBeDeleted.toString(), new EditedHashObjectCommitRequest(occurrenceToBeDeleted, this.objectToBeSend, true)); + }catch(RequestException e){ + Window.alert("could not commit the topic: " + this.objectToBeSend + ", because(" + e.getClass() + "): " + e.getMessage()); + } + } else { + Window.alert("commit operation of the object " + this.objectToBeSend + " failed, because: the occurrence http://textgrid.org/serviceregistry/model/hash-type could not be updated"); + } } else if(deletedOldOccurrence){ RequestBuilder commitBuilder = new RequestBuilder(RequestBuilder.POST, this.commitUrl); commitBuilder.setHeader("Content-type", "application/json"); @@ -286,5 +290,36 @@ public void onError(Request request, Throwable exception) { Window.alert("could not commit the data: " + this.objectToBeSend); } + + + private JSONObject getOccurrenceTobeDeleted(String json){ + if(json == null) return null; + + JSONValue jsonValue = JSONParser.parseStrict(json); + JSONObject fragment = jsonValue.isObject(); + JSONObject topic = null; + if(fragment != null){ + JSONValue val = fragment.get("topic"); + if(val != null) topic = val.isObject(); + } + if(topic != null){ + JSONValue occs = topic.get("occurrences"); + JSONArray occsArray = null; + if(occs != null) occsArray = occs.isArray(); + if(occsArray != null) { + for(int i = 0; i != occsArray.size(); ++i){ + JSONValue val = occsArray.get(i); + JSONObject occ = val.isObject(); + if(occ == null) continue; + + JSONValue type = occ.get("type"); + JSONString typeStr = type.isString(); + if(typeStr.stringValue().endsWith("hash-type")) return occ; // fr our purpose this soft check is sufficient enough, so the prefix need not to be varified + } + } + } + + return null; + } } }

Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/DeleteCallback.java ============================================================================== --- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/DeleteCallback.java Mon Sep 5 01:56:36 2011 (r828) +++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/DeleteCallback.java Mon Sep 5 02:48:18 2011 (r829) @@ -19,7 +19,7 @@

public class DeleteCallback implements IDeleteCallback { - public final String REUQEST_URL = ""; // TODO: set actual URL value + public final String REUQEST_URL = IsidorusConstants.DELETE_REUQEST_URL;

@Override

Added: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/IsidorusConstants.java ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/IsidorusConstants.java Mon Sep 5 02:48:18 2011 (r829) @@ -0,0 +1,9 @@ +package us.isidor.gdl.anaToMia.Widgets.isidorus; + +public class IsidorusConstants { + // TODO: set the actual values + public final static String DELETE_REUQEST_URL = ""; + public final static String COMMIT_REQUEST_URL = ""; + public final static String GET_FRAGMENT_REQUEST_URL = ""; + public final static String GET_SCHEMA_REQUEST_URL = "TextGrid_ServiceRegistry_required_TMCL_and_GDL_Schema_with_test_data.jtm"; +}

Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java ============================================================================== --- branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java Mon Sep 5 01:56:36 2011 (r828) +++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/LoadSchemaCallback.java Mon Sep 5 02:48:18 2011 (r829) @@ -23,7 +23,7 @@ // this class can be used as a callback that requests the Topic Map data // addressable by the URI isidorusUrl public class LoadSchemaCallback implements ILoadSchemaCallback{ - private final String isidorusUrl = URL.encode(GWT.getModuleBaseURL() + "TextGrid_ServiceRegistry_required_TMCL_and_GDL_Schema_with_test_data.jtm"); // TODO: replace with the correct URL + private final String isidorusUrl = URL.encode(GWT.getModuleBaseURL() + IsidorusConstants.GET_SCHEMA_REQUEST_URL); private ArrayList<Pair<String, TopicIdentifierTypes>> requestedTopicsToCreate = new ArrayList<Pair<String,TopicIdentifierTypes>>(); private Pair<String, TopicIdentifierTypes> requestedTopicToEdit = null; private RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, isidorusUrl);