org.jivesoftware.openfire.vcard.DefaultVCardProvider Maven / Gradle / Ivy

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/*
 * Copyright (C) 2004-2008 Jive Software. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jivesoftware.openfire.vcard;

import java.io.StringReader;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;

import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.jivesoftware.database.DbConnectionManager;
import org.jivesoftware.util.AlreadyExistsException;
import org.jivesoftware.util.JiveGlobals;
import org.jivesoftware.util.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Default implementation of the VCardProvider interface, which reads and writes data
 * from the ofVCard database table.
 *
 * @author Gaston Dombiak
 */
public class DefaultVCardProvider implements VCardProvider {

    private static final Logger Log = LoggerFactory.getLogger(DefaultVCardProvider.class);

    private static final String LOAD_PROPERTIES =
        "SELECT vcard FROM ofVCard WHERE username=?";
    private static final String DELETE_PROPERTIES =
        "DELETE FROM ofVCard WHERE username=?";
    private static final String UPDATE_PROPERTIES =
        "UPDATE ofVCard SET vcard=? WHERE username=?";
    private static final String INSERT_PROPERTY =
        "INSERT INTO ofVCard (username, vcard) VALUES (?, ?)";

    private static final int POOL_SIZE = 10;
    /**
     * Pool of SAX Readers. SAXReader is not thread safe so we need to have a pool of readers.
     */
    private BlockingQueue xmlReaders = new LinkedBlockingQueue<>(POOL_SIZE);


    public DefaultVCardProvider() {
        super();
        // Initialize the pool of sax readers
        for (int i=0; i