/*
 * Copyright 1999-2010 University of Chicago
 *
 * 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 org.globus.util.http;

import java.io.InputStream;
import java.io.IOException;

public class HTTPResponseParser extends HTTPParser {

    protected String _httpType;
    protected int _httpCode;
    protected String _httpMsg;

    public HTTPResponseParser(InputStream is)
	throws IOException {
	super(is);
    }

    public String getMessage() {
	return _httpMsg;
    }

    public int getStatusCode() {
	return _httpCode;
    }

    public boolean isOK() {
	return (_httpCode == 200);
    }

    public void parseHead(String line)
	throws IOException {
	int st = line.indexOf(" ");
	if (st == -1) {
	    throw new IOException("Bad HTTP header");
	}
	_httpType = line.substring(0, st);

	st++;
	int et = line.indexOf(" ", st);
	if (et == -1) {
	    throw new IOException("Bad HTTP header");
	}

	try {
	    _httpCode = Integer.parseInt(line.substring(st, et).trim());
	} catch(Exception e) {
	    throw new IOException("Bad HTTP header");
	}

	et++;
	_httpMsg = line.substring(et);
    }

}