org.acra.util.HttpUtils.java Source code

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Here is the source code for org.acra.util.HttpUtils.java

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/*
 *  Copyright 2010 Kevin Gaudin
 *
 *  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.acra.util;

import java.io.IOException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Map;

import org.acra.ACRA;
import org.apache.http.client.ClientProtocolException;

/**
 * Helper class to send POST data over HTTP/HTTPS.
 */
public class HttpUtils {

    /**
     * Send an HTTP(s) request with POST parameters.
     * 
     * @param parameters
     * @param url
     * @throws ClientProtocolException
     * @throws IOException
     */
    public static void doPost(Map<?, ?> parameters, URL url, String login, String password)
            throws ClientProtocolException, IOException {

        // Construct data
        final StringBuilder dataBfr = new StringBuilder();
        for (final Object key : parameters.keySet()) {
            if (dataBfr.length() != 0) {
                dataBfr.append('&');
            }
            Object value = parameters.get(key);
            if (value == null) {
                value = "";
            }
            dataBfr.append(URLEncoder.encode(key.toString(), "UTF-8")).append('=')
                    .append(URLEncoder.encode(value.toString(), "UTF-8"));
        }

        final HttpRequest req = new HttpRequest(isNull(login) ? null : login, isNull(password) ? null : password);
        req.sendPost(url.toString(), dataBfr.toString());
    }

    private static boolean isNull(String aString) {
        return aString == null || aString == ACRA.NULL_VALUE;
    }

}