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Diffstat (limited to 'src/org/apache/http/impl/AbstractHttpClientConnection.java')
-rw-r--r-- | src/org/apache/http/impl/AbstractHttpClientConnection.java | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/src/org/apache/http/impl/AbstractHttpClientConnection.java b/src/org/apache/http/impl/AbstractHttpClientConnection.java deleted file mode 100644 index ebfaabb..0000000 --- a/src/org/apache/http/impl/AbstractHttpClientConnection.java +++ /dev/null @@ -1,212 +0,0 @@ -/* - * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/AbstractHttpClientConnection.java $ - * $Revision: 627457 $ - * $Date: 2008-02-13 07:14:19 -0800 (Wed, 13 Feb 2008) $ - * - * ==================================================================== - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - */ - -package org.apache.http.impl; - -import java.io.IOException; - -import org.apache.http.HttpClientConnection; -import org.apache.http.HttpConnectionMetrics; -import org.apache.http.HttpEntity; -import org.apache.http.HttpEntityEnclosingRequest; -import org.apache.http.HttpException; -import org.apache.http.HttpRequest; -import org.apache.http.HttpResponse; -import org.apache.http.HttpResponseFactory; -import org.apache.http.impl.entity.EntityDeserializer; -import org.apache.http.impl.entity.EntitySerializer; -import org.apache.http.impl.entity.LaxContentLengthStrategy; -import org.apache.http.impl.entity.StrictContentLengthStrategy; -import org.apache.http.impl.io.HttpRequestWriter; -import org.apache.http.impl.io.HttpResponseParser; -import org.apache.http.io.HttpMessageParser; -import org.apache.http.io.HttpMessageWriter; -import org.apache.http.io.SessionInputBuffer; -import org.apache.http.io.SessionOutputBuffer; -import org.apache.http.params.HttpParams; - -/** - * Abstract client-side HTTP connection capable of transmitting and receiving data - * using arbitrary {@link SessionInputBuffer} and {@link SessionOutputBuffer} - * - * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> - * - * @version $Revision: 627457 $ - * - * @since 4.0 - */ -public abstract class AbstractHttpClientConnection implements HttpClientConnection { - - private final EntitySerializer entityserializer; - private final EntityDeserializer entitydeserializer; - - private SessionInputBuffer inbuffer = null; - private SessionOutputBuffer outbuffer = null; - private HttpMessageParser responseParser = null; - private HttpMessageWriter requestWriter = null; - private HttpConnectionMetricsImpl metrics = null; - - - - public AbstractHttpClientConnection() { - super(); - this.entityserializer = createEntitySerializer(); - this.entitydeserializer = createEntityDeserializer(); - } - - protected abstract void assertOpen() throws IllegalStateException; - - protected EntityDeserializer createEntityDeserializer() { - return new EntityDeserializer(new LaxContentLengthStrategy()); - } - - protected EntitySerializer createEntitySerializer() { - return new EntitySerializer(new StrictContentLengthStrategy()); - } - - protected HttpResponseFactory createHttpResponseFactory() { - return new DefaultHttpResponseFactory(); - } - - protected HttpMessageParser createResponseParser( - final SessionInputBuffer buffer, - final HttpResponseFactory responseFactory, - final HttpParams params) { - // override in derived class to specify a line parser - return new HttpResponseParser(buffer, null, responseFactory, params); - } - - protected HttpMessageWriter createRequestWriter( - final SessionOutputBuffer buffer, - final HttpParams params) { - // override in derived class to specify a line formatter - return new HttpRequestWriter(buffer, null, params); - } - - protected void init( - final SessionInputBuffer inbuffer, - final SessionOutputBuffer outbuffer, - final HttpParams params) { - if (inbuffer == null) { - throw new IllegalArgumentException("Input session buffer may not be null"); - } - if (outbuffer == null) { - throw new IllegalArgumentException("Output session buffer may not be null"); - } - this.inbuffer = inbuffer; - this.outbuffer = outbuffer; - this.responseParser = createResponseParser( - inbuffer, - createHttpResponseFactory(), - params); - this.requestWriter = createRequestWriter( - outbuffer, params); - this.metrics = new HttpConnectionMetricsImpl( - inbuffer.getMetrics(), - outbuffer.getMetrics()); - } - - public boolean isResponseAvailable(int timeout) throws IOException { - assertOpen(); - return this.inbuffer.isDataAvailable(timeout); - } - - public void sendRequestHeader(final HttpRequest request) - throws HttpException, IOException { - if (request == null) { - throw new IllegalArgumentException("HTTP request may not be null"); - } - assertOpen(); - this.requestWriter.write(request); - this.metrics.incrementRequestCount(); - } - - public void sendRequestEntity(final HttpEntityEnclosingRequest request) - throws HttpException, IOException { - if (request == null) { - throw new IllegalArgumentException("HTTP request may not be null"); - } - assertOpen(); - if (request.getEntity() == null) { - return; - } - this.entityserializer.serialize( - this.outbuffer, - request, - request.getEntity()); - } - - protected void doFlush() throws IOException { - this.outbuffer.flush(); - } - - public void flush() throws IOException { - assertOpen(); - doFlush(); - } - - public HttpResponse receiveResponseHeader() - throws HttpException, IOException { - assertOpen(); - HttpResponse response = (HttpResponse) this.responseParser.parse(); - if (response.getStatusLine().getStatusCode() >= 200) { - this.metrics.incrementResponseCount(); - } - return response; - } - - public void receiveResponseEntity(final HttpResponse response) - throws HttpException, IOException { - if (response == null) { - throw new IllegalArgumentException("HTTP response may not be null"); - } - assertOpen(); - HttpEntity entity = this.entitydeserializer.deserialize(this.inbuffer, response); - response.setEntity(entity); - } - - public boolean isStale() { - if (!isOpen()) { - return true; - } - try { - this.inbuffer.isDataAvailable(1); - return false; - } catch (IOException ex) { - return true; - } - } - - public HttpConnectionMetrics getMetrics() { - return this.metrics; - } - -} |