bova.rtmapi.RestClient.java Source code

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Here is the source code for bova.rtmapi.RestClient.java

Source

package bova.rtmapi;
//Copyright 2012 Giovanni Pini

//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.

import java.io.BufferedReader;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;

class RestClient {

    private Request request;

    RestClient(Request request) {
        this.request = request;
    }

    JSONResponse execute() throws ServerException, RtmApiException, IOException {
        // Execute HTTP Post Request
        HttpClient httpclient = new DefaultHttpClient();
        URI uri;
        try {
            uri = new URI(this.request.getUrl());
            HttpPost httppost = new HttpPost(uri);
            HttpResponse response = httpclient.execute(httppost);
            // Get string from response
            InputStream is = response.getEntity().getContent();
            try {
                StringBuilder sb = new StringBuilder();
                BufferedReader r = new BufferedReader(new InputStreamReader(new DoneHandlerInputStream(is)));
                for (String line = r.readLine(); line != null; line = r.readLine()) {
                    sb.append(line);
                }
                // get JSON Response from string and return it
                return new JSONResponse(sb.toString());
            } finally {
                is.close();
            }
        } catch (URISyntaxException e) {
            throw new RtmApiException(e.getMessage());
        } catch (ClientProtocolException e) {
            throw new RtmApiException(e.getMessage());
        }
    }

    String test() throws ServerException, RtmApiException, IOException {
        //Rimuovere!!!!!
        // Execute HTTP Post Request
        HttpClient httpclient = new DefaultHttpClient();
        URI uri;
        try {
            uri = new URI(this.request.getUrl());
            HttpPost httppost = new HttpPost(uri);
            HttpResponse response = httpclient.execute(httppost);
            // Get string from response
            InputStream is = response.getEntity().getContent();
            StringBuilder sb = new StringBuilder();
            BufferedReader r = new BufferedReader(new InputStreamReader(new DoneHandlerInputStream(is)));
            for (String line = r.readLine(); line != null; line = r.readLine()) {
                sb.append(line);
            }
            return sb.toString();
        } catch (URISyntaxException e) {
            throw new RtmApiException(e.getMessage());
        } catch (ClientProtocolException e) {
            throw new RtmApiException(e.getMessage());
        }
    }
}

//serve per risolvere un bug android sulla 2.3, metterla come classe interna!!!
class DoneHandlerInputStream extends FilterInputStream {
    private boolean done;

    public DoneHandlerInputStream(InputStream stream) {
        super(stream);
    }

    @Override
    public int read(byte[] bytes, int offset, int count) throws IOException {
        if (!done) {
            int result = super.read(bytes, offset, count);
            if (result != -1) {
                return result;
            }
        }
        done = true;
        return -1;
    }

}