PiHttpClient.java

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/* Copyright 2013 Eric Ptak - trouch.com
 *   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 com.trouch.webiopi.client;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class PiHttpClient extends PiClient {
    public final static int DEFAULT_PORT = 8000;

    public PiHttpClient(String host) {
        super("http", host, DEFAULT_PORT);
    }

    public PiHttpClient(String host, int port) {
        super("http", host, port);
    }

    @Override
    public String sendRequest(String method, String path) throws Exception {
        BufferedReader reader = null;
        try {
            URL url = new URL(this.urlBase + path);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod(method);
            if (this.auth != null) {
                connection.setRequestProperty("Authorization", this.auth);
            }

            // read the output from the server
            reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            StringBuilder stringBuilder = new StringBuilder();

            String line = null;
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line).append('\n');
            }
            return stringBuilder.toString();
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException ioe) {
                    ioe.printStackTrace();
                }
            }
        }
    }

}