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/*
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 2002 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by SuperBonBon Industries (http://www.sbbi.net/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "UPNPLib" and "SuperBonBon Industries" must not be
* used to endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* info@sbbi.net.
*
* 5. Products derived from this software may not be called
* "SuperBonBon Industries", nor may "SBBI" appear in their name,
* without prior written permission of SuperBonBon Industries.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT,INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* on behalf of SuperBonBon Industries. For more information on
* SuperBonBon Industries, please see <http://www.sbbi.net/>.
*/
package net.sbbi.upnp;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
/**
* A class to parse an HTTP response message.
* @author <a href="mailto:superbonbon@sbbi.net">SuperBonBon</a>
* @version 1.0
*/
public class HttpResponse {
private String header;
private Map fields;
private String body;
/**
* Constructor of the response, will try to parse the raw response data
* @param rawHttpResponse the raw response data
* @throws IllegalArgumentException if some error occurs during parsing
*/
protected HttpResponse( String rawHttpResponse ) throws IllegalArgumentException {
if ( rawHttpResponse == null || rawHttpResponse.trim().length() == 0 ) {
throw new IllegalArgumentException( "Empty HTTP response message" );
}
boolean bodyParsing = false;
StringBuffer bodyParsed = new StringBuffer();
fields = new HashMap();
String[] lines = rawHttpResponse.split( "\\r\\n" );
this.header = lines[0].trim();
for ( int i = 1; i < lines.length; i++ ) {
String line = lines[i];
if ( line.length() == 0 ) {
// line break before body
bodyParsing = true;
} else if ( bodyParsing ) {
// we parse the message body
bodyParsed.append( line ).append( "\r\n" );
} else {
// we parse the header
if ( line.length() > 0 ) {
int delim = line.indexOf( ':' );
if ( delim != -1 ) {
String key = line.substring( 0, delim ).toUpperCase();
String value = line.substring( delim + 1 ).trim();
fields.put( key, value );
} else {
throw new IllegalArgumentException( "Invalid HTTP message header :" + line );
}
}
}
}
if ( bodyParsing ) {
body = bodyParsed.toString();
}
}
public String getHeader() {
return header;
}
public String getBody() {
return body;
}
public String getHTTPFieldElement( String fieldName, String elementName ) throws IllegalArgumentException {
String fieldNameValue = getHTTPHeaderField( fieldName );
if ( fieldName!= null ) {
StringTokenizer tokenizer = new StringTokenizer( fieldNameValue.trim(), "," );
while (tokenizer.countTokens() > 0) {
String nextToken = tokenizer.nextToken().trim();
if ( nextToken.startsWith( elementName ) ) {
int index = nextToken.indexOf( "=" );
if ( index != -1 ) {
return nextToken.substring( index + 1 ).trim();
}
}
}
}
throw new IllegalArgumentException( "HTTP element field " + elementName + " is not present" );
}
public String getHTTPHeaderField( String fieldName ) throws IllegalArgumentException {
String field = (String)fields.get( fieldName.toUpperCase() );
if ( field == null ) {
throw new IllegalArgumentException( "HTTP field " + fieldName + " is not present");
}
return field;
}
}
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