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AmazonClient.javaAPI DocExample4737Thu Feb 13 22:22:40 GMT 2003ora.jwsnut.chapter1.client

AmazonClient

public class AmazonClient extends Object implements PropertyChangeListener

Fields Summary
private static final String
MODE
private static final String
WEBSERVICE
private static final String
TYPE
private static final String
VERSION
ora.jwsnut.chapter1.amazon.AmazonSearchPort
amazonSearch
private String
devtag
private AmazonClientGUI
gui
private int
lastType
private String
lastKey
private int
page
Constructors Summary
Methods Summary
private voidbuildGUI()

        gui = new AmazonClientGUI();

        // Register to receive notification that a search is required.
        gui.addPropertyChangeListener(this);
public voiddoSearch(int type, java.lang.String key)

        // If this search is the same as the last, increment
        // the page number.
        String newKey = key.trim();
        if (type == lastType && newKey.equals(lastKey)) {
            page++;
        } else {
            lastType = type;
            lastKey = newKey;
        }

        ProductInfo result = null;
        try {
            switch (type) {
            case AmazonClientGUI.KEYWORD_SEARCH:
                KeywordRequest keywordReq = new KeywordRequest(newKey,
                                                    String.valueOf(page), MODE,
                                                    WEBSERVICE, TYPE,
                                                    devtag, VERSION);
                result = amazonSearch.keywordSearchRequest(keywordReq);
                break;

            case AmazonClientGUI.AUTHOR_SEARCH:
                AuthorRequest authorReq = new AuthorRequest(newKey,
                                                    String.valueOf(page), MODE,
                                                    WEBSERVICE, TYPE,
                                                    devtag, VERSION);
                result = amazonSearch.authorSearchRequest(authorReq);
                break;

            case AmazonClientGUI.ASIN_SEARCH:
                AsinRequest asinReq = new AsinRequest(newKey, WEBSERVICE,
                                                    TYPE, devtag, VERSION);
                result = amazonSearch.asinSearchRequest(asinReq);
                break;
            }
        } catch (Exception ex) {
            ex.printStackTrace(System.out);
        } finally {
            gui.setResults(result);
        }
public voidexecute(java.lang.String devtag, java.lang.String address)


            

        // Save the developer's tag
        this.devtag = devtag;

        // Build the user interface
        buildGUI();

        // Get the Service object for Amazon.com
        // and configure a stub to get access to it.
        AmazonSearchService service = new AmazonSearchService_Impl();
        amazonSearch = service.getAmazonSearchPort();
        ((Stub)amazonSearch)._setProperty(Stub.ENDPOINT_ADDRESS_PROPERTY, address);
public static voidmain(java.lang.String[] args)

        if (args.length != 2) {
            System.out.println("Must supply your developer tag and service address");
            System.exit(1);
        }
        try {
            new AmazonClient().execute(args[0], args[1]);
        } catch (Throwable t) {
            t.printStackTrace(System.out);
        }
public voidpropertyChange(java.beans.PropertyChangeEvent evt)

        if (evt.getPropertyName().equals(AmazonClientGUI.SEARCH_PROPERTY)) {
            int type = gui.getSearchType();
            String key = gui.getSearchKey();
            if (type >= 0 && key != null) {
                // Need to search....
                doSearch(type, key);
            }
        }