org.soulwing.oaq.OAQManagedConnectionFactory.java Source code

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Here is the source code for org.soulwing.oaq.OAQManagedConnectionFactory.java

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/*
 * File created on Nov 26, 2013 
 *
 * Copyright (c) 2013 Carl Harris, Jr.
 *
 * 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.soulwing.oaq;

import java.io.PrintWriter;
import java.util.Iterator;
import java.util.Set;

import javax.jms.JMSException;
import javax.resource.ResourceException;
import javax.resource.spi.ConnectionManager;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.ManagedConnection;
import javax.resource.spi.ManagedConnectionFactory;
import javax.resource.spi.ResourceAdapter;
import javax.resource.spi.ResourceAdapterAssociation;
import javax.security.auth.Subject;

import org.apache.commons.lang.Validate;

/**
 * A {@link ManagedConnectionFactory} that provides access to Oracle AQ.
 *
 * @author Carl Harris
 */
public class OAQManagedConnectionFactory implements ManagedConnectionFactory, ResourceAdapterAssociation {

    private static final long serialVersionUID = -3798948417121742603L;

    private PrintWriter logWriter;
    private MessageResourceAdapter resourceAdapter;

    /**
     * {@inheritDoc}
     */
    @Override
    public Object createConnectionFactory() throws ResourceException {
        throw new UnsupportedOperationException();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object createConnectionFactory(ConnectionManager connectionManager) throws ResourceException {
        throw new UnsupportedOperationException();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ManagedConnection createManagedConnection(Subject subject, ConnectionRequestInfo connectionRequestInfo)
            throws ResourceException {
        OAQConnectionRequestInfo info = resourceAdapter.getConnectionRequestInfo();
        if (connectionRequestInfo instanceof OAQConnectionRequestInfo) {
            info = (OAQConnectionRequestInfo) connectionRequestInfo;
        }
        try {
            OAQManagedConnection connection = new OAQManagedConnection(subject, info,
                    resourceAdapter.createConnection(info));

            connection.setLogWriter(getLogWriter());
            return connection;
        } catch (JMSException ex) {
            throw new ResourceException("failed to create connection", ex);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    @SuppressWarnings("rawtypes")
    public ManagedConnection matchManagedConnections(Set connectionSet, Subject subject, ConnectionRequestInfo info)
            throws ResourceException {
        Iterator i = connectionSet.iterator();
        while (i.hasNext()) {
            OAQManagedConnection connection = (OAQManagedConnection) i.next();
            if (connection.matches(subject, info)) {
                connection.setLogWriter(getLogWriter());
                return connection;
            }
        }
        return null;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public PrintWriter getLogWriter() throws ResourceException {
        return logWriter;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setLogWriter(PrintWriter logWriter) throws ResourceException {
        this.logWriter = logWriter;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ResourceAdapter getResourceAdapter() {
        return resourceAdapter;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setResourceAdapter(ResourceAdapter resourceAdapter) throws ResourceException {
        Validate.isTrue(resourceAdapter instanceof MessageResourceAdapter, "unrecognized resource adapter type");
        this.resourceAdapter = (MessageResourceAdapter) resourceAdapter;
    }

}