Delphi DLL
Delphi DLL
SCIS Search
See more SCiS Schools Catalogue Examples
Demonstrates the SCIS (Schools Catalogue Information Service) search API call.Chilkat Delphi DLL Downloads
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, JsonObject;
...
procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
sbQuery: HCkStringBuilder;
sbUrl: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
v_index: PWideChar;
v_type: PWideChar;
v_sourceDateIssuedMarc: Integer;
v_sourceIsbn13: PWideChar;
v_sourceImageFileName: PWideChar;
v_sourcePublicationDetails: PWideChar;
v_sourceIsbn10: PWideChar;
v_sourceId: PWideChar;
v_id: PWideChar;
v_score: PWideChar;
j: Integer;
count_j: Integer;
strVal: PWideChar;
dataHitsTotal: Integer;
dataHitsMax_score: PWideChar;
dataTook: Integer;
dataTimed_out: Boolean;
i: Integer;
count_i: Integer;
begin
success := False;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := CkHttp_Create();
// Implements the following CURL command:
// curl -i -X GET --url 'https://api.scisdata.com/catalogue/api/search?query=titleSearch%3Adogs%20AND%20publicationYear%3A2015&from=0&size=20&sort=author&order=asc' -H 'Authorization: Basic ****'
// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code
// This causes the "Authorization: Basic ****" to be added to each request.
CkHttp_putLogin(http,'myLogin');
CkHttp_putPassword(http,'myPassword');
CkHttp_putBasicAuth(http,True);
sbQuery := CkStringBuilder_Create();
CkStringBuilder_Append(sbQuery,'titleSearch:dogs AND publicationYear:2015');
sbUrl := CkStringBuilder_Create();
CkStringBuilder_Append(sbUrl,'https://api.scisdata.com/catalogue/api/search?query=');
// If non-usascii chars are included in the search, we don't know if utf-8 or windows-1252 is desired by the server. You'll need to find out..
CkStringBuilder_Append(sbUrl,CkStringBuilder__getEncoded(sbQuery,'url','utf-8'));
CkStringBuilder_Append(sbUrl,'&from=0&size=20&sort=author&order=asc');
sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,CkStringBuilder__getAsString(sbUrl),sbResponseBody);
if (success = False) then
begin
Memo1.Lines.Add(CkHttp__lastErrorText(http));
Exit;
end;
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));
respStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
begin
Memo1.Lines.Add('Response Header:');
Memo1.Lines.Add(CkHttp__lastHeader(http));
Memo1.Lines.Add('Failed.');
Exit;
end;
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "data": {
// "hits": {
// "hits": [
// {
// "_index": "scisdata2",
// "_type": "bibdatatype",
// "_source": {
// "isbn": [
// "9781517638160"
// ],
// "languageTermCode": [
// "eng"
// ],
// "mainAuthor": {
// "namePersonalPrimary": [
// "Abbott, Eleanor Hallowell."
// ]
// },
// "title": {
// "titlePrimary": [
// "Peace on Earth, good-will to dogs"
// ],
// "noteStmOfResponsibility": [
// "by Eleanor Hallowell Abbott."
// ]
// },
// "scisType": [
// "Book"
// ],
// "dateIssuedMarc": 2015,
// "languageTermValue": [
// "English"
// ],
// "contributor": {},
// "isbn13": "9781517638160",
// "imageFileName": "9781517638160.jpg",
// "publicationDetails": "United States, Create Space Independent Publishing Platform, 2015",
// "isbn10": "151763816X",
// "id": "1867852"
// },
// "_id": "1867852",
// "sort": [
// "abbott, eleanor hallowell."
// ],
// "_score": null
// },
// {
// "_index": "scisdata2",
// "_type": "bibdatatype",
// "_source": {
// "isbn": [
// "9781780747910"
// ],
// "languageTermCode": [
// "eng"
// ],
// "mainAuthor": {
// "namePersonalPrimary": [
// "Adams, Richard."
// ]
// },
// "title": {
// "titlePrimary": [
// "The plague dogs"
// ],
// "noteStmOfResponsibility": [
// "Richard Adams."
// ]
// },
// "scisType": [
// "Book"
// ],
// "dateIssuedMarc": 2015,
// "languageTermValue": [
// "English"
// ],
// "contributor": {},
// "isbn13": "9781780747910",
// "imageFileName": "9781780747910.jpg",
// "publicationDetails": "New York, Rock the Boat, 2015",
// "isbn10": "1780747918",
// "id": "1749228"
// },
// "_id": "1749228",
// "sort": [
// "adams, richard."
// ],
// "_score": null
// },
// ...
// ],
// "total": 84,
// "max_score": null
// },
// "took": 585,
// "timed_out": false
// },
// "subscriptionStatus": {}
// }
// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
dataHitsTotal := CkJsonObject_IntOf(jResp,'data.hits.total');
dataHitsMax_score := CkJsonObject__stringOf(jResp,'data.hits.max_score');
dataTook := CkJsonObject_IntOf(jResp,'data.took');
dataTimed_out := CkJsonObject_BoolOf(jResp,'data.timed_out');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'data.hits.hits');
while i < count_i do
begin
CkJsonObject_putI(jResp,i);
v_index := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._index');
v_type := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._type');
v_sourceDateIssuedMarc := CkJsonObject_IntOf(jResp,'data.hits.hits[i]._source.dateIssuedMarc');
v_sourceIsbn13 := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.isbn13');
v_sourceImageFileName := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.imageFileName');
v_sourcePublicationDetails := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.publicationDetails');
v_sourceIsbn10 := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.isbn10');
v_sourceId := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.id');
v_id := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._id');
v_score := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._score');
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.isbn');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.isbn[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.languageTermCode');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.languageTermCode[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.mainAuthor.namePersonalPrimary');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.mainAuthor.namePersonalPrimary[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.title.titlePrimary');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.title.titlePrimary[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.title.noteStmOfResponsibility');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.title.noteStmOfResponsibility[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.scisType');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.scisType[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.languageTermValue');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.languageTermValue[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i].sort');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i].sort[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.contributor.namePersonalOther');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.contributor.namePersonalOther[j]');
j := j + 1;
end;
j := 0;
count_j := CkJsonObject_SizeOfArray(jResp,'data.hits.hits[i]._source.contributor.nameCorporateOther');
while j < count_j do
begin
CkJsonObject_putJ(jResp,j);
strVal := CkJsonObject__stringOf(jResp,'data.hits.hits[i]._source.contributor.nameCorporateOther[j]');
j := j + 1;
end;
i := i + 1;
end;
CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbQuery);
CkStringBuilder_Dispose(sbUrl);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
end;