Xbase++
Fetch ISBN XML from isbndb.com and Parse

Demonstrates sending a query to isbndb.com and parsing the XML response.
Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oHttp
LOCAL cStrXml
LOCAL oXml
LOCAL oXml2

nSuccess := 0

//  This example assumes the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

oHttp := CreateObject("Chilkat.Http")

//  The access_key in this URL is a valid access key, but limited to 100 queries per day.
//  If the key does not work, it may be that others were testing and exhausted the limit.
cStrXml := oHttp:QuickGetStr("http://isbndb.com/api/books.xml?access_key=OV8L2Y9I&results=details&index1=isbn&value1=0443074348")
IF (oHttp:LastMethodSuccess != 1)
    ? oHttp:LastErrorText
    oHttp:destroy()
    RETURN
ENDIF

oXml := CreateObject("Chilkat.Xml")
nSuccess := oXml:LoadXml(cStrXml)

//  The XML returned for this URL is the following:

//  <?xml version="1.0" encoding="UTF-8" ?>

//  <ISBNdb server_time="2007-10-25T14:07:25Z">
//      <BookList total_results="1" page_size="10" page_number="1" shown_results="1">
//          <BookData book_id="diagnostic_histopathology_of_tumors_2_volume_set_with_cd_rom" isbn="0443074348">
//              <Title>Diagnostic Histopathology of Tumors: 2-Volume Set with CD-ROMs</Title>
//              <TitleLong>Diagnostic Histopathology of Tumors: 2-Volume Set with CD-ROMs (Diagnostic Histopathology of Tumors (Fletcher))</TitleLong>
//              <AuthorsText>Christopher D. M. Fletcher (Editor)</AuthorsText>
//              <PublisherText publisher_id="churchill_livingstone">Churchill Livingstone</PublisherText>
//              <Details dewey_decimal="616" physical_description_text="2166 pages" language="" edition_info="Hardcover; 2007-03-13" dewey_decimal_normalized="616" lcc_number="" change_time="2006-12-13T14:53:42Z" price_time="2007-10-25T01:12:13Z" />
//          </BookData>
//      </BookList>
//  </ISBNdb>

//  First, navigate to the BookData node:
nSuccess := oXml:FirstChild2()
nSuccess := oXml:FirstChild2()

//  Show the Title and AuthorsText:
? oXml:GetChildContent("Title")
? oXml:GetChildContent("AuthorsText")

//  Show the publisher_id attribute of the PublisherText node:

oXml2 := oXml:FindChild("PublisherText")
? oXml2:GetAttrValue("publisher_id")

oXml2:destroy()

//  Save the XML to a file:
nSuccess := oXml:SaveXml("book.xml")

oHttp:destroy()
oXml:destroy()