org.mobicents.servlet.sip.restcomm.util.HttpUtils.java Source code

Introduction

Here is the source code for org.mobicents.servlet.sip.restcomm.util.HttpUtils.java

Source

/*
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.mobicents.servlet.sip.restcomm.util;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;

import org.mobicents.servlet.sip.restcomm.annotations.concurrency.ThreadSafe;

/**
 * @author quintana.thomas@gmail.com (Thomas Quintana)
 */
@ThreadSafe
public final class HttpUtils {
    private HttpUtils() {
        super();
    }

    public static List<NameValuePair> toList(final String data) throws UnsupportedEncodingException {
        final List<NameValuePair> list = new ArrayList<NameValuePair>();
        final String[] tokens = data.split("&");
        for (final String token : tokens) {
            final String[] parts = token.split("=");
            if (parts.length == 1) {
                list.add(new BasicNameValuePair(parts[0], null));
            } else if (parts.length == 2) {
                list.add(new BasicNameValuePair(parts[0], URLDecoder.decode(parts[1], "UTF-8")));
            }
        }
        return list;
    }

    public static Map<String, String> toMap(final HttpEntity entity) throws IllegalStateException, IOException {
        final int length = (int) entity.getContentLength();
        final byte[] data = new byte[length];
        entity.getContent().read(data, 0, length);
        final String input = new String(data);
        final String[] tokens = input.split("&");
        final Map<String, String> map = new HashMap<String, String>();
        for (final String token : tokens) {
            final String[] parts = token.split("=");
            if (parts.length == 1) {
                map.put(parts[0], null);
            } else if (parts.length == 2) {
                map.put(parts[0], URLDecoder.decode(parts[1], "UTF-8"));
            }
        }
        return map;
    }

    public static String toString(final Header[] headers) {
        final StringBuilder buffer = new StringBuilder();
        for (int index = 0; index < headers.length; index++) {
            final Header header = headers[index];
            try {
                buffer.append(header.getName()).append("=").append(URLEncoder.encode(header.getValue(), "UTF-8"));
            } catch (final UnsupportedEncodingException ignored) {
            }
            ;
            if (index < (headers.length - 1)) {
                buffer.append("&");
            }
        }
        return buffer.toString();
    }
}