com.google.api.client.apache.ApacheHttpTransport.java Source code

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Here is the source code for com.google.api.client.apache.ApacheHttpTransport.java

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/*
 * Copyright (c) 2010 Google Inc.
 * 
 * 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.google.api.client.apache;

import com.google.api.client.http.LowLevelHttpTransport;

import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

/**
 * HTTP low-level transport based on the Apache HTTP Client library.
 * 
 * @since 2.2
 * @author Yaniv Inbar
 */
public final class ApacheHttpTransport extends LowLevelHttpTransport {

    /** Apache HTTP client. */
    private final HttpClient httpClient;

    /** Singleton instance of this transport. */
    public static final ApacheHttpTransport INSTANCE = new ApacheHttpTransport();

    ApacheHttpTransport() {
        // Turn off stale checking. Our connections break all the time anyway,
        // and it's not worth it to pay the penalty of checking every time.
        HttpParams params = new BasicHttpParams();
        HttpConnectionParams.setStaleCheckingEnabled(params, false);
        // Default connection and socket timeout of 20 seconds. Tweak to taste.
        HttpConnectionParams.setConnectionTimeout(params, 20 * 1000);
        HttpConnectionParams.setSoTimeout(params, 20 * 1000);
        HttpConnectionParams.setSocketBufferSize(params, 8192);
        this.httpClient = new DefaultHttpClient(params);
    }

    @Override
    public boolean supportsPatch() {
        return true;
    }

    @Override
    public ApacheHttpRequest buildDeleteRequest(String url) {
        return new ApacheHttpRequest(this.httpClient, new HttpDelete(url));
    }

    @Override
    public ApacheHttpRequest buildGetRequest(String url) {
        return new ApacheHttpRequest(this.httpClient, new HttpGet(url));
    }

    @Override
    public ApacheHttpRequest buildPatchRequest(String url) {
        return new ApacheHttpRequest(this.httpClient, new HttpPatch(url));
    }

    @Override
    public ApacheHttpRequest buildPostRequest(String url) {
        return new ApacheHttpRequest(this.httpClient, new HttpPost(url));
    }

    @Override
    public ApacheHttpRequest buildPutRequest(String url) {
        return new ApacheHttpRequest(this.httpClient, new HttpPut(url));
    }
}