velo.adapters.GenericHttpClientAdapter.java Source code

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Here is the source code for velo.adapters.GenericHttpClientAdapter.java

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/**
 * Copyright (c) 2000-2007, Shakarchi Asaf
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package velo.adapters;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.PostMethod;

import velo.exceptions.AdapterException;

public class GenericHttpClientAdapter extends ResourceAdapter {
    private static Logger logger = Logger.getLogger(GenericHttpClientAdapter.class.getName());
    private HttpClient httpClient;

    public boolean connect() throws AdapterException {
        logger.fine("Connecting by '" + GenericHttpClientAdapter.class.getName() + "', to Resource: '"
                + getResource().getDisplayName() + "'");
        String host = getResourceDescriptor().getString("specific.host");
        Integer port = getResourceDescriptor().getInt("specific.port");
        String protocol = getResourceDescriptor().getString("specific.protocol");

        if (logger.isLoggable(Level.FINEST)) {
            logger.finest("Connecting to host: " + host);
            logger.finest("Connecting with host: " + port);
            logger.finest("Connecting with protocol: " + protocol);
        }

        HttpClient client = new HttpClient();
        client.getHostConfiguration().setHost(host, port, protocol);
        //Set by default coockie policy to 'browser_compatibility'
        //needed?      client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);

        setConnected(true);
        setHttpClient(client);

        return true;
    }

    public boolean disconnect() {
        setConnected(false);
        return true;
    }

    /**
     * @param httpClient the httpClient to set
     */
    public void setHttpClient(HttpClient httpClient) {
        this.httpClient = httpClient;
    }

    /**
     * @return the httpClient
     */
    public HttpClient getHttpClient() {
        return httpClient;
    }

    public int executeMethod(HttpMethod pm) throws AdapterException {
        try {
            return getHttpClient().executeMethod(pm);
        } catch (HttpException he) {
            throw new AdapterException(he.getMessage());
        } catch (IOException ioe) {
            throw new AdapterException(ioe.getMessage());
        }
    }

    public PostMethod factoryPostMethod(String uri) throws IllegalArgumentException, IllegalStateException {
        PostMethod pm = new PostMethod(uri);
        return pm;
    }
}