Author: lgiessmann Date: Fri Sep 2 09:52:10 2011 New Revision: 826

Log: gdl-frontend: Widgets: implemented the actual request mechanism for submitting hash-object topics

Modified: branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/CommitCallback.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 Fri Sep 2 09:20:20 2011 (r825) +++ branches/gdl-frontend/src/anaToMia/GDL_Widgets/src/us/isidor/gdl/anaToMia/Widgets/isidorus/CommitCallback.java Fri Sep 2 09:52:10 2011 (r826) @@ -11,6 +11,8 @@ 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.JSONObject; +import com.google.gwt.json.client.JSONValue; import com.google.gwt.user.client.Window; import us.isidor.gdl.anaToMia.TopicMaps.TmEngineModel.ExporterException; import us.isidor.gdl.anaToMia.TopicMaps.TmEngineModel.TmEngine; @@ -28,15 +30,14 @@ 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 @Override public void commitTmConstruct(ArrayList<Pair<Construct, TopicMapsTypes>> constructs, TmEngine tmEngine, String buttonId) { try{ if("hash_object_commit_button_id".equals(buttonId)){ - this.commitCreatedHashObject(constructs, tmEngine, false); - } else if("edited_hash_object_commit_button_id".equals(buttonId)){ - this.commitCreatedHashObject(constructs, tmEngine, true); + this.commitCreatedHashObject(constructs, tmEngine, "edited_hash_object_commit_button_id".equals(buttonId)); } else if("environment_commit_button_id".equals(buttonId)){ this.commitCreatedEnvironment(constructs, tmEngine); } @@ -153,20 +154,13 @@ } String commitUrl = URL.encode(this.DELETE_REUQEST_URL); - String deleteUrl = URL.encode(this.COMMIT_REQUEST_URL); + String getUrl = URL.encode(this.GET_REQUEST_URL); RequestBuilder commitBuilder = new RequestBuilder(RequestBuilder.POST, commitUrl); commitBuilder.setHeader("Content-type", "application/json"); - RequestBuilder deleteBuilder = new RequestBuilder(RequestBuilder.DELETE, deleteUrl); - deleteBuilder.setHeader("Content-type", "application/json"); + RequestBuilder getBuilder = new RequestBuilder(RequestBuilder.GET, getUrl); try{ - if(edited){ - // get the original occurrence - // mark the original occurrence as deleted - // commit the new occurrence - deleteBuilder.sendRequest(null, new HashObjectDeleteOccurrenceRequest(null, jtm)); // TODO: set the sent data to the occurrence that must be deleted - } else{ - commitBuilder.sendRequest(jtm, new HashObjectCommitRequest(jtm)); - } + if(edited)getBuilder.sendRequest(null, new EditedHashObjectCommitRequest(null, jtm, false)); + else commitBuilder.sendRequest(jtm, new HashObjectCommitRequest(jtm)); }catch(RequestException e){ Window.alert("could not commit the topic: " + jtm + ", because(" + e.getClass() + "): " + e.getMessage()); } @@ -238,24 +232,59 @@ - private class HashObjectDeleteOccurrenceRequest implements RequestCallback{ - private String occurrenceString = null; - private String topicToCommit = null; - - private HashObjectDeleteOccurrenceRequest(String occurrenceToDelete, String topicToCommit){ - this.occurrenceString = occurrenceToDelete; - this.topicToCommit = topicToCommit; + private class EditedHashObjectCommitRequest implements RequestCallback{ + private JSONValue requestedData = null; + private String objectToBeSend = null; + private boolean deletedOldOccurrence = false; + private final String deleteUrl = URL.encode(CommitCallback.this.DELETE_REUQEST_URL); + private final String commitUrl = URL.encode(CommitCallback.this.COMMIT_REQUEST_URL); + + + @SuppressWarnings("unused") + private EditedHashObjectCommitRequest(){} + + + public EditedHashObjectCommitRequest(JSONValue requestedData, String objectToBeSend, boolean deletedOldOccurrence){ + this.requestedData = requestedData; + this.objectToBeSend = objectToBeSend; + this.deletedOldOccurrence = deletedOldOccurrence; } @Override public void onResponseReceived(Request request, Response response) { - // TODO: implement + 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()); + } + } else if(deletedOldOccurrence){ + RequestBuilder commitBuilder = new RequestBuilder(RequestBuilder.POST, this.commitUrl); + commitBuilder.setHeader("Content-type", "application/json"); + try{ + commitBuilder.sendRequest(this.objectToBeSend, new HashObjectCommitRequest(this.objectToBeSend)); + }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 + " successed"); + // TODO: reset the web page + } + } else { + Window.alert("commit operation of the object " + this.objectToBeSend + " failed: " + response.getStatusCode() + "(" + response.getStatusText() + ")\n" + response.getText()); + } }

+ @Override public void onError(Request request, Throwable exception) { - // TODO: implement + Window.alert("could not commit the data: " + this.objectToBeSend); } } }