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.message;
michael@0: 
michael@0: import ch.boye.httpclientandroidlib.HttpRequest;
michael@0: import ch.boye.httpclientandroidlib.ProtocolVersion;
michael@0: import ch.boye.httpclientandroidlib.RequestLine;
michael@0: import ch.boye.httpclientandroidlib.params.HttpParams;
michael@0: import ch.boye.httpclientandroidlib.params.HttpProtocolParams;
michael@0: 
michael@0: /**
michael@0:  * Basic implementation of {@link HttpRequest}.
michael@0:  * <p>
michael@0:  * The following parameters can be used to customize the behavior of this class:
michael@0:  * <ul>
michael@0:  *  <li>{@link ch.boye.httpclientandroidlib.params.CoreProtocolPNames#PROTOCOL_VERSION}</li>
michael@0:  * </ul>
michael@0:  *
michael@0:  * @since 4.0
michael@0:  */
michael@0: public class BasicHttpRequest extends AbstractHttpMessage implements HttpRequest {
michael@0: 
michael@0:     private final String method;
michael@0:     private final String uri;
michael@0: 
michael@0:     private RequestLine requestline;
michael@0: 
michael@0:     /**
michael@0:      * Creates an instance of this class using the given request method
michael@0:      * and URI. The HTTP protocol version will be obtained from the
michael@0:      * {@link HttpParams} instance associated with the object.
michael@0:      * The initialization will be deferred
michael@0:      * until {@link #getRequestLine()} is accessed for the first time.
michael@0:      *
michael@0:      * @param method request method.
michael@0:      * @param uri request URI.
michael@0:      */
michael@0:     public BasicHttpRequest(final String method, final String uri) {
michael@0:         super();
michael@0:         if (method == null) {
michael@0:             throw new IllegalArgumentException("Method name may not be null");
michael@0:         }
michael@0:         if (uri == null) {
michael@0:             throw new IllegalArgumentException("Request URI may not be null");
michael@0:         }
michael@0:         this.method = method;
michael@0:         this.uri = uri;
michael@0:         this.requestline = null;
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Creates an instance of this class using the given request method, URI
michael@0:      * and the HTTP protocol version.
michael@0:      *
michael@0:      * @param method request method.
michael@0:      * @param uri request URI.
michael@0:      * @param ver HTTP protocol version.
michael@0:      */
michael@0:     public BasicHttpRequest(final String method, final String uri, final ProtocolVersion ver) {
michael@0:         this(new BasicRequestLine(method, uri, ver));
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Creates an instance of this class using the given request line.
michael@0:      *
michael@0:      * @param requestline request line.
michael@0:      */
michael@0:     public BasicHttpRequest(final RequestLine requestline) {
michael@0:         super();
michael@0:         if (requestline == null) {
michael@0:             throw new IllegalArgumentException("Request line may not be null");
michael@0:         }
michael@0:         this.requestline = requestline;
michael@0:         this.method = requestline.getMethod();
michael@0:         this.uri = requestline.getUri();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Returns the HTTP protocol version to be used for this request. If an
michael@0:      * HTTP protocol version was not explicitly set at the construction time,
michael@0:      * this method will obtain it from the {@link HttpParams} instance
michael@0:      * associated with the object.
michael@0:      *
michael@0:      * @see #BasicHttpRequest(String, String)
michael@0:      */
michael@0:     public ProtocolVersion getProtocolVersion() {
michael@0:         return getRequestLine().getProtocolVersion();
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * Returns the request line of this request. If an HTTP protocol version
michael@0:      * was not explicitly set at the construction time, this method will obtain
michael@0:      * it from the {@link HttpParams} instance associated with the object.
michael@0:      *
michael@0:      * @see #BasicHttpRequest(String, String)
michael@0:      */
michael@0:     public RequestLine getRequestLine() {
michael@0:         if (this.requestline == null) {
michael@0:             ProtocolVersion ver = HttpProtocolParams.getVersion(getParams());
michael@0:             this.requestline = new BasicRequestLine(this.method, this.uri, ver);
michael@0:         }
michael@0:         return this.requestline;
michael@0:     }
michael@0: 
michael@0:     public String toString() {
michael@0:         return this.method + " " + this.uri + " " + this.headergroup;
michael@0:     }
michael@0: 
michael@0: }