com.intellij.diagnostic.DevelopersLoader.java Source code

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Here is the source code for com.intellij.diagnostic.DevelopersLoader.java

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/*
 * Copyright 2000-2012 JetBrains s.r.o.
 *
 * 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.intellij.diagnostic;

import com.intellij.openapi.progress.ProgressIndicator;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.GetMethod;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

class DevelopersLoader {
    private static final String DEVELOPERS_LIST_URL = "http://ea-engine.labs.intellij.net/data?category=developers";
    private static final String DATA_CHARSET = "utf-8";
    public static final int TIMEOUT = 1000;

    private DevelopersLoader() {
    }

    public static Collection<Developer> fetchDevelopers(ProgressIndicator indicator) throws IOException {
        List<Developer> developers = new LinkedList<Developer>();
        developers.add(Developer.NULL);

        HttpClient client = new HttpClient();
        client.getHttpConnectionManager().getParams().setConnectionTimeout(TIMEOUT);
        HttpMethod method = new GetMethod(DEVELOPERS_LIST_URL);

        try {
            client.executeMethod(method);

            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(method.getResponseBodyAsStream(), DATA_CHARSET));

            try {
                while (true) {
                    String line = reader.readLine();
                    if (line == null)
                        break;
                    int i = line.indexOf('\t');
                    if (i == -1)
                        throw new IOException("Protocol error");
                    int id = Integer.parseInt(line.substring(0, i));
                    String name = line.substring(i + 1);
                    developers.add(new Developer(id, name));
                    indicator.checkCanceled();
                }
                return developers;
            } finally {
                reader.close();
            }
        } finally {
            method.releaseConnection();
        }
    }
}