HttpAPIClient.java

package pluginbase.util.webpaste;

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

/**
 * HTTP API-client.
 */
public abstract class HttpAPIClient {
    /**
     * The URL for this API-request.
     */
    protected final String urlFormat;

    public HttpAPIClient(String urlFormat) {
        this.urlFormat = urlFormat;
    }

    /**
     * Executes this API-Request.
     * @param args Format-args.
     * @return The result (as text).
     * @throws java.io.IOException When the I/O-operation failed.
     */
    protected final String exec(Object... args) throws IOException {
        URLConnection conn = new URL(String.format(this.urlFormat, args)).openConnection();
        conn.connect();
        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        while (!reader.ready()); // wait until reader is ready, may not be necessary, SUPPRESS CHECKSTYLE: EmptyStatement

        StringBuilder ret = new StringBuilder();
        while (reader.ready()) {
            ret.append(reader.readLine()).append('\n');
        }
        reader.close();
        return ret.toString();
    }
}