package org.apache.xindice.examples;
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xindice" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999-2001, The dbXML
* Group, L.L.C., http://www.dbxmlgroup.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* $Id: CorbaAPIExample.java,v 1.1.1.1 2001/12/06 19:33:52 bradford Exp $
*/
import org.apache.xindice.client.corba.*;
import org.apache.xindice.client.corba.db.Collection;
import org.apache.xindice.client.corba.db.*;
import org.apache.xindice.xml.TextWriter;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import org.w3c.dom.*;
import java.util.*;
import java.io.*;
import java.net.*;
public class CorbaAPIExample {
private static final byte[] EmptyBytes = new byte[0];
// Default ORB class. This is used to override the JDKs built in CORBA ORB.
static public final String DEFAULT_ORB_CLASS = "jacorb.orb.ORB";
// Default ORBSingleton class. This is used to override the JDKs built in CORBA ORB
static public final String DEFAULT_ORB_SINGLETON_CLASS = "jacorb.orb.ORBSingleton";
// Property name to use to set the naming service up for resolve_initial_refs
static public final String DEFAULT_ORB_NAMING_PROP_VALUE = "InitRef.NameService";
// Default location where the Name service IOR can be located.
static public final String DEFAULT_NAMING_URI = "http://localhost:4080/NamingService";
public static void main(String[] args) {
try {
// create and initialize the ORB
Properties orbConf = new Properties();
// Set the default naming location which is for OpenORB by default.
orbConf.put(DEFAULT_ORB_NAMING_PROP_VALUE, DEFAULT_NAMING_URI);
// Also set it up for JacORB 1.1 to make switching easy.
orbConf.put("jacorb.NameServerURL", DEFAULT_NAMING_URI);
// Also set it up for JacORB 1.3 to make switching easy.
orbConf.put("ORBInitRef.NameService", DEFAULT_NAMING_URI);
orbConf.put("org.omg.CORBA.ORBClass", DEFAULT_ORB_CLASS);
orbConf.put("org.omg.CORBA.ORBSingletonClass", DEFAULT_ORB_SINGLETON_CLASS);
// create and initialize the ORB
ORB orb = ORB.init(new String[0], orbConf);
// Retrieve the IOR for the naming service
URL rss = new URL(DEFAULT_NAMING_URI);
HttpURLConnection conn =
(HttpURLConnection) rss.openConnection();
BufferedReader reader = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String ior = reader.readLine();
org.omg.CORBA.Object objRef = orb.string_to_object(ior);
NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
// Get the database instance from naming, the path is dbxml/db
NameComponent root = new NameComponent("dbxml", "");
NameComponent instance = new NameComponent("db", "");
NameComponent path[] = {root, instance};
Database app = DatabaseHelper.narrow(ncRef.resolve(path));
System.out.println("Instance Name " + app.getName());
// Run the examples
listCollections(app);
String oid = insertDocument(app);
retrieveDocument(app, oid);
updateDocument(app);
//search(app, "/test");
//app.getDatabaseManager().shutdown();
} catch (Exception e) {
System.out.println("ERROR : " + e) ;
e.printStackTrace(System.out);
}
}
/**
* Lists all databases and their collections on the server
*/
public static void listCollections(Database app) throws Exception {
// Get a list of databases
String[] topcols = app.listCollections();
int i = 0;
while (i < topcols.length) {
System.out.println(topcols[i] + ":");
// Get all the collections for this database.
Collection col = app.getCollection(topcols[i]);
String [] collections = col.listCollections();
int j = 0;
while (j < collections.length) {
System.out.println("\t" + collections[j]);
j++;
}
col.remove();
i++;
}
}
/**
* Insert a new document into a collection.
*/
public static String insertDocument(Database app) throws Exception {
// Document must be a valid XML document.
String document = "<?xml version=\"1.0\"?>\n <test>Hello</test>";
// The default install includes a test database with an ocs collection
Collection col = app.getCollection("root/ocs");
// CORBA requires the document to be an EncodedBuffer
EncodedBuffer buf = new EncodedBuffer(-1, EmptyBytes, document.getBytes());
String key = col.insertDocument("testdoc", buf);
System.out.println("Document Key: " + key);
col.remove();
return key;
}
/**
* Updates an existing document using XUpdate
*/
public static void updateDocument(Database app) throws Exception {
String commands = "<xupdate:modifications version=\"1.0\" xmlns:xupdate=\"http://www.xmldb.org/xupdate\"><xupdate:remove select=\"/address/first-name\"/></xupdate:modifications>";
Collection col = app.getCollection("root");
col.queryDocument("XUpdate", commands, null, "address4", -1);
System.out.println("Document Updated");
col.remove();
}
/**
* Retrieve and print a stored document
*/
public static void retrieveDocument(Database app, String oid)
throws Exception {
// The default install includes a test database with an ocs collection
Collection col = app.getCollection("root/ocs");
System.out.println(oid);
EncodedBuffer buffer = col.getDocument(oid, -1);
// The XML data is stored in buffer.buf
System.out.println(new String(buffer.buf));
col.remove();
}
/**
* Search the database.
*/
public static void search(Database app, String xpath) throws Exception {
System.out.println("Retrieving Documents using a query.");
/*Collection col = app.getCollection("root/ocs");
DocumentSet documents = col.documentQuery(xpath);
while (documents.hasMoreDocuments()) {
printDoc(EncodedBufferConverter.convertToDocument(documents.getNextDocument()));
}
documents.remove();
col.remove();*/
}
/**
* Prints a DOM document to System.out
*/
public static void printDoc(Document doc) throws Exception {
TextWriter.write(doc, System.out);
System.out.println("");
}
}