michael@0: /*
michael@0:  * ====================================================================
michael@0:  * Licensed to the Apache Software Foundation (ASF) under one
michael@0:  * or more contributor license agreements.  See the NOTICE file
michael@0:  * distributed with this work for additional information
michael@0:  * regarding copyright ownership.  The ASF licenses this file
michael@0:  * to you under the Apache License, Version 2.0 (the
michael@0:  * "License"); you may not use this file except in compliance
michael@0:  * with the License.  You may obtain a copy of the License at
michael@0:  *
michael@0:  *   http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing,
michael@0:  * software distributed under the License is distributed on an
michael@0:  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0:  * KIND, either express or implied.  See the License for the
michael@0:  * specific language governing permissions and limitations
michael@0:  * under the License.
michael@0:  * ====================================================================
michael@0:  *
michael@0:  * This software consists of voluntary contributions made by many
michael@0:  * individuals on behalf of the Apache Software Foundation.  For more
michael@0:  * information on the Apache Software Foundation, please see
michael@0:  * <http://www.apache.org/>.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: package ch.boye.httpclientandroidlib.impl;
michael@0: 
michael@0: import ch.boye.httpclientandroidlib.HttpRequest;
michael@0: import ch.boye.httpclientandroidlib.HttpRequestFactory;
michael@0: import ch.boye.httpclientandroidlib.MethodNotSupportedException;
michael@0: import ch.boye.httpclientandroidlib.RequestLine;
michael@0: import ch.boye.httpclientandroidlib.message.BasicHttpEntityEnclosingRequest;
michael@0: import ch.boye.httpclientandroidlib.message.BasicHttpRequest;
michael@0: 
michael@0: /**
michael@0:  * Default factory for creating {@link HttpRequest} objects.
michael@0:  *
michael@0:  * @since 4.0
michael@0:  */
michael@0: public class DefaultHttpRequestFactory implements HttpRequestFactory {
michael@0: 
michael@0:     private static final String[] RFC2616_COMMON_METHODS = {
michael@0:         "GET"
michael@0:     };
michael@0: 
michael@0:     private static final String[] RFC2616_ENTITY_ENC_METHODS = {
michael@0:         "POST",
michael@0:         "PUT"
michael@0:     };
michael@0: 
michael@0:     private static final String[] RFC2616_SPECIAL_METHODS = {
michael@0:         "HEAD",
michael@0:         "OPTIONS",
michael@0:         "DELETE",
michael@0:         "TRACE",
michael@0:         "CONNECT"
michael@0:     };
michael@0: 
michael@0: 
michael@0:     public DefaultHttpRequestFactory() {
michael@0:         super();
michael@0:     }
michael@0: 
michael@0:     private static boolean isOneOf(final String[] methods, final String method) {
michael@0:         for (int i = 0; i < methods.length; i++) {
michael@0:             if (methods[i].equalsIgnoreCase(method)) {
michael@0:                 return true;
michael@0:             }
michael@0:         }
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     public HttpRequest newHttpRequest(final RequestLine requestline)
michael@0:             throws MethodNotSupportedException {
michael@0:         if (requestline == null) {
michael@0:             throw new IllegalArgumentException("Request line may not be null");
michael@0:         }
michael@0:         String method = requestline.getMethod();
michael@0:         if (isOneOf(RFC2616_COMMON_METHODS, method)) {
michael@0:             return new BasicHttpRequest(requestline);
michael@0:         } else if (isOneOf(RFC2616_ENTITY_ENC_METHODS, method)) {
michael@0:             return new BasicHttpEntityEnclosingRequest(requestline);
michael@0:         } else if (isOneOf(RFC2616_SPECIAL_METHODS, method)) {
michael@0:             return new BasicHttpRequest(requestline);
michael@0:         } else {
michael@0:             throw new MethodNotSupportedException(method +  " method not supported");
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public HttpRequest newHttpRequest(final String method, final String uri)
michael@0:             throws MethodNotSupportedException {
michael@0:         if (isOneOf(RFC2616_COMMON_METHODS, method)) {
michael@0:             return new BasicHttpRequest(method, uri);
michael@0:         } else if (isOneOf(RFC2616_ENTITY_ENC_METHODS, method)) {
michael@0:             return new BasicHttpEntityEnclosingRequest(method, uri);
michael@0:         } else if (isOneOf(RFC2616_SPECIAL_METHODS, method)) {
michael@0:             return new BasicHttpRequest(method, uri);
michael@0:         } else {
michael@0:             throw new MethodNotSupportedException(method
michael@0:                     + " method not supported");
michael@0:         }
michael@0:     }
michael@0: 
michael@0: }