Search a registry for organizations that offer services based on technical specifications that take the form of WSDL documents : XML Registry « XML « Java






Search a registry for organizations that offer services based on technical specifications that take the form of WSDL documents

 
 
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 * http://developer.sun.com/berkeley_license.html
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import javax.xml.registry.Connection;
import javax.xml.registry.ConnectionFactory;
import javax.xml.registry.RegistryService;
import javax.xml.registry.BusinessLifeCycleManager;
import javax.xml.registry.LifeCycleManager;
import javax.xml.registry.BusinessQueryManager;
import javax.xml.registry.BulkResponse;
import javax.xml.registry.JAXRException;
import javax.xml.registry.infomodel.RegistryObject;
import javax.xml.registry.infomodel.Organization;
import javax.xml.registry.infomodel.ClassificationScheme;
import javax.xml.registry.infomodel.Classification;
import javax.xml.registry.infomodel.Concept;
import javax.xml.registry.infomodel.ExternalLink;
import java.util.ResourceBundle;
import java.util.Properties;
import java.util.Collection;
import java.util.ArrayList;


/**
 * The JAXRQueryByWSDLClassification class consists of a main
 * method, a makeConnection method, an executeQuery method, and
 * some private helper methods. It searches a registry for
 * information about organizations that offer services based
 * on technical specifications that take the form of WSDL
 * documents. Use the query-string argument to limit the search
 * to certain specification concept names.
 */
public class JAXRQueryByWSDLClassification {
    Connection connection = null;

    public JAXRQueryByWSDLClassification() {
    }

    public static void main(String[] args) {
        ResourceBundle bundle = ResourceBundle.getBundle("JAXRExamples");

        String queryURL = bundle.getString("query.url");
        String publishURL = bundle.getString("publish.url");

        if (args.length < 1) {
            System.out.println(
                    "Argument required: " + "-Dquery-string=<value>");
            System.exit(1);
        }

        String queryString = args[0];
        System.out.println("Query string is " + queryString);

        JAXRQueryByWSDLClassification jq = new JAXRQueryByWSDLClassification();

        jq.makeConnection(queryURL, publishURL);

        jq.executeQuery(queryString);
    }

    /**
     * Establishes a connection to a registry.
     *
     * @param queryUrl        the URL of the query registry
     * @param publishUrl        the URL of the publish registry
     */
    public void makeConnection(
        String queryUrl,
        String publishUrl) {
        /*
         * Specify proxy information in case you
         *  are going beyond your firewall.
         */
        ResourceBundle bundle = ResourceBundle.getBundle("JAXRExamples");
        String httpProxyHost = bundle.getString("http.proxyHost");
        String httpProxyPort = bundle.getString("http.proxyPort");
        String httpsProxyHost = bundle.getString("https.proxyHost");
        String httpsProxyPort = bundle.getString("https.proxyPort");

        /*
         * Define connection configuration properties.
         * For simple queries, you need the query URL.
         * To use a life cycle manager, you need the publish URL.
         */
        Properties props = new Properties();
        props.setProperty("javax.xml.registry.queryManagerURL", queryUrl);
        props.setProperty("javax.xml.registry.lifeCycleManagerURL", publishUrl);
        props.setProperty("com.sun.xml.registry.http.proxyHost", httpProxyHost);
        props.setProperty("com.sun.xml.registry.http.proxyPort", httpProxyPort);
        props.setProperty(
                "com.sun.xml.registry.https.proxyHost",
                httpsProxyHost);
        props.setProperty(
                "com.sun.xml.registry.https.proxyPort",
                httpsProxyPort);

        try {
            // Create the connection, passing it the 
            // configuration properties
            ConnectionFactory factory = ConnectionFactory.newInstance();
            factory.setProperties(props);
            connection = factory.createConnection();
            System.out.println("Created connection to registry");
        } catch (Exception e) {
            e.printStackTrace();

            if (connection != null) {
                try {
                    connection.close();
                } catch (JAXRException je) {
                }
            }
        }
    }

    /**
     * Searches for organizations using a WSDL
     * classification and displays data about them.
     *
     * @param qString        the string argument
     */
    public void executeQuery(String qString) {
        RegistryService rs = null;
        BusinessQueryManager bqm = null;
        BusinessLifeCycleManager blcm = null;

        try {
            // Get registry service and managers
            rs = connection.getRegistryService();
            bqm = rs.getBusinessQueryManager();
            blcm = rs.getBusinessLifeCycleManager();
            System.out.println(
                    "Got registry service, query "
                    + "manager, and lifecycle manager");

            ResourceBundle bundle = ResourceBundle.getBundle("JAXRExamples");

            /*
             * Find the uddi-org:types classification scheme defined
             * by the UDDI specification, using well-known key id.
             */
            String uuid_types = "uuid:C1ACF26D-9672-4404-9D70-39B756E62AB4";
            ClassificationScheme uddiOrgTypes = (ClassificationScheme) bqm
                .getRegistryObject(
                        uuid_types,
                        LifeCycleManager.CLASSIFICATION_SCHEME);

            // Define name pattern
            Collection<String> namePatterns = new ArrayList<String>();
            namePatterns.add("%" + qString + "%");

            /*
             * Create a classification, specifying the scheme
             *  and the taxonomy name and value defined for WSDL
             *  documents by the UDDI specification.
             */
            Classification wsdlSpecClassification = blcm.createClassification(
                        uddiOrgTypes,
                        blcm.createInternationalString("wsdlSpec"),
                        "wsdlSpec");

            Collection<Classification> classifications = new ArrayList<Classification>();
            classifications.add(wsdlSpecClassification);

            // Find concepts
            BulkResponse br = bqm.findConcepts(
                        null,
                        namePatterns,
                        classifications,
                        null,
                        null);
            Collection specConcepts = br.getCollection();

            // Display information about the concepts found
            int numConcepts = 0;

            if (specConcepts.isEmpty()) {
                System.out.println("No WSDL specification concepts found");
            } else {
                for (Object sc : specConcepts) {
                    numConcepts++;

                    Concept concept = (Concept) sc;

                    String name = getName(concept);

                    Collection links = concept.getExternalLinks();

                    System.out.println(
                            "\nSpecification Concept:\n\tName: " + name
                            + "\n\tKey: " + getKey(concept)
                            + "\n\tDescription: " + getDescription(concept));

                    if (links.size() > 0) {
                        ExternalLink link = (ExternalLink) links.iterator()
                                                                .next();
                        System.out.println(
                                "\tURL of WSDL document: '"
                                + link.getExternalURI() + "'");
                    }

                    // Find organizations that use this concept
                    Collection<Concept> specConcepts1 = new ArrayList<Concept>();
                    specConcepts1.add(concept);

                    br = bqm.findOrganizations(
                                null,
                                null,
                                null,
                                specConcepts1,
                                null,
                                null);

                    Collection orgs = br.getCollection();

                    // Display information about organizations
                    if (!(orgs.isEmpty())) {
                        System.out.println(
                                "Organizations using the '" + name
                                + "' WSDL Specification:");
                    } else {
                        System.out.println(
                                "No Organizations using the '" + name
                                + "' WSDL Specification");
                    }

                    for (Object o : orgs) {
                        Organization org = (Organization) o;
                        System.out.println(
                                "\tName: " + getName(org) + "\n\tKey: "
                                + getKey(org) + "\n\tDescription: "
                                + getDescription(org));
                    }
                }
            }

            System.out.println("Found " + numConcepts + " concepts");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // At end, close connection to registry
            if (connection != null) {
                try {
                    connection.close();
                } catch (JAXRException je) {
                }
            }
        }
    }

    /**
     * Returns the name value for a registry object.
     *
     * @param ro        a RegistryObject
     * @return                the String value
     */
    private String getName(RegistryObject ro) throws JAXRException {
        try {
            return ro.getName()
                     .getValue();
        } catch (NullPointerException npe) {
            return "No Name";
        }
    }

    /**
     * Returns the description value for a registry object.
     *
     * @param ro        a RegistryObject
     * @return                the String value
     */
    private String getDescription(RegistryObject ro) throws JAXRException {
        try {
            return ro.getDescription()
                     .getValue();
        } catch (NullPointerException npe) {
            return "No Description";
        }
    }

    /**
     * Returns the key id value for a registry object.
     *
     * @param ro        a RegistryObject
     * @return                the String value
     */
    private String getKey(RegistryObject ro) throws JAXRException {
        try {
            return ro.getKey()
                     .getId();
        } catch (NullPointerException npe) {
            return "No Key";
        }
    }
}



//////////////////////////////
//
//    File: JAXRExamples.properties
//
//////////////////////////////
## Registry Server:
query.url=http://localhost:8080/RegistryServer/
publish.url=http://localhost:8080/RegistryServer/
registry.username=testuser
registry.password=testuser
## HTTP and HTTPS proxy host and port
http.proxyHost=
http.proxyPort=8080
https.proxyHost=
https.proxyPort=8080
## Values used by publish examples
org.name=The Coffee Break
org.description=Purveyor of the finest coffees. Established 1950
person.name=Jane Doe
phone.number=(800) 555-1212
email.address=jane.doe@TheCoffeeBreak.com
classification.scheme=ntis-gov:naics:1997
classification.name=All Other Specialty Food Stores
classification.value=445299
service.name=My Service Name
service.description=My Service Description
svcbinding.description=My Service Binding Description
svcbinding.accessURI=http://TheCoffeeBreak.com:8080/sb/
## Values used by postal address examples
postal.taxonomy.filenames=postalconcepts.xml
postal.scheme.name=MyPostalAddressScheme
postal.scheme.description=A ClassificationScheme for My PostalAddressMappings
postal.classification.name=postalAddress
postal.classification.value=postalAddress
postal.scheme.link=http://unrealcompany.com/PostalScheme.html
postal.scheme.linkdesc=My PostalAddress Scheme
postal.org.name=The Postal Coffee Break
postal.person.name=Jane Postal
postal.email.address=jane.postal@ThePostalCoffeeBreak.com
postal.streetNumber=99
postal.street=Imaginary Ave. Suite 33
postal.city=Imaginary City
postal.state=NY
postal.country=USA
postal.postalCode=00000
postal.type=
# Values used by JAXRPublishConcept example
concept.name=HelloConcept
concept.description=Concept for Hello Service
link.uri=http://localhost:8080/hello-jaxws/hello?WSDL
link.description=Hello WSDL document
# Values used by JAXRPublishHelloOrg example
wsdlorg.name=Hello Organization
wsdlorg.description=Organization with a Hello Service
wsdlorg.person.name=Duke
wsdlorg.person.description=Owner of Hello Service
wsdlorg.phone=111-222-3333
wsdlorg.email.address=duke@hello.com
wsdlorg.svc.name=JAX-RPC Hello Service
wsdlorg.svc.description=Says Hello
wsdlorg.svcbnd.description=Service binding for Hello Service
wsdlorg.svcbnd.uri=http://localhost:8080/hello-jaxws/hello

        








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