de.knurt.heinzelmann.util.urlcontent.HttpsUnsecuredContent.java Source code

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Here is the source code for de.knurt.heinzelmann.util.urlcontent.HttpsUnsecuredContent.java

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/*
 * Copyright 2005 - 2012 by KNURT Systeme (http://www.knurt.de)
 *
 * Licensed under the Creative Commons License Attribution-NonCommercial 3.0 Unported;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://creativecommons.org/licenses/by-nc/3.0/
 *
 * 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.
 */
/*
 * Copyright 2005 - 2009 KNURT Systeme (http://www.knurt.de)
 */
package de.knurt.heinzelmann.util.urlcontent;

import java.io.IOException;

import javax.xml.ws.http.HTTPException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.contrib.ssl.EasySSLProtocolSocketFactory;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.protocol.Protocol;

/**
 * work with content of an unsecured ssl connection. do not use if it can be a
 * safty leg!
 * 
 * @link 
 *       http://svn.apache.org/viewvc/httpcomponents/oac.hc3x/trunk/src/contrib/org
 *       /apache/commons/httpclient/contrib/ssl/EasySSLProtocolSocketFactory.
 *       java?view=markup
 * @author Daniel Oltmanns
 * @since 0.20100728
 * @version 0.20100728
 */
public class HttpsUnsecuredContent implements URLContent {

    @SuppressWarnings("deprecation")
    @Override
    public String getContent(String urlstring) throws IOException, HTTPException {
        Protocol easyhttps = new Protocol("https", new EasySSLProtocolSocketFactory(), 443);
        Protocol.registerProtocol("https", easyhttps);

        HttpClient client = new HttpClient();
        GetMethod httpget = new GetMethod(urlstring);
        client.executeMethod(httpget);
        return httpget.getResponseBodyAsString();
    }

    /** one and only instance of me */
    private volatile static HttpsUnsecuredContent me;

    /** construct me */
    private HttpsUnsecuredContent() {
    }

    /**
     * return the one and only instance of HttpsUnsecuredContent
     * 
     * @return the one and only instance of HttpsUnsecuredContent
     */
    public static HttpsUnsecuredContent getInstance() {
        if (me == null) { // no instance so far
            synchronized (HttpsUnsecuredContent.class) {
                if (me == null) { // still no instance so far
                    me = new HttpsUnsecuredContent(); // the one and only
                }
            }
        }
        return me;
    }
}