com.google.gdt.eclipse.designer.support.http.HttpRequest.java Source code

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Here is the source code for com.google.gdt.eclipse.designer.support.http.HttpRequest.java

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/*******************************************************************************
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * 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.gdt.eclipse.designer.support.http;

import org.apache.commons.lang.StringUtils;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Locale;

/**
 * Class implementing very basics of HTTP requests
 * 
 * @author mitin_aa
 * @coverage gwt.http
 */
public class HttpRequest implements IHttpConstants {
    private String m_url;

    ////////////////////////////////////////////////////////////////////////////
    //
    // Constructor
    //
    ////////////////////////////////////////////////////////////////////////////
    public HttpRequest(InputStream inputStream) throws Exception {
        BufferedReader inputReader = new BufferedReader(new InputStreamReader(inputStream));
        // first read and parse the first line, with waiting for data
        String line = inputReader.readLine();
        int result = parseRequest(line);
        if (result != HTTP_OK) {
            throw new IllegalArgumentException("" + result);
        }
    }

    /**
     * Parses request from browser.
     * 
     * @param requestLine
     */
    private int parseRequest(String requestLine) {
        // parse the line into components, check if there are enough components
        String[] items = StringUtils.split(requestLine, " ");
        if (items.length < 2) {
            return HTTP_BAD_REQUEST;
        }
        if (!items[0].toUpperCase(Locale.ENGLISH).equals("GET")) {
            return HTTP_BAD_METHOD;
        }
        m_url = items[1];
        return HTTP_OK;
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Access
    //
    ////////////////////////////////////////////////////////////////////////////
    public String getUrl() {
        return m_url;
    }
}