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183 lines
7.6 KiB
Java
183 lines
7.6 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.impl;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.Socket;
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import java.net.SocketTimeoutException;
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import java.nio.charset.CharsetDecoder;
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import java.nio.charset.CharsetEncoder;
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import ch.boye.httpclientandroidlib.HttpClientConnection;
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import ch.boye.httpclientandroidlib.HttpEntity;
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import ch.boye.httpclientandroidlib.HttpEntityEnclosingRequest;
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import ch.boye.httpclientandroidlib.HttpException;
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import ch.boye.httpclientandroidlib.HttpRequest;
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import ch.boye.httpclientandroidlib.HttpResponse;
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import ch.boye.httpclientandroidlib.HttpStatus;
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import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
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import ch.boye.httpclientandroidlib.config.MessageConstraints;
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import ch.boye.httpclientandroidlib.entity.ContentLengthStrategy;
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import ch.boye.httpclientandroidlib.impl.io.DefaultHttpRequestWriterFactory;
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import ch.boye.httpclientandroidlib.impl.io.DefaultHttpResponseParserFactory;
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import ch.boye.httpclientandroidlib.io.HttpMessageParser;
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import ch.boye.httpclientandroidlib.io.HttpMessageParserFactory;
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import ch.boye.httpclientandroidlib.io.HttpMessageWriter;
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import ch.boye.httpclientandroidlib.io.HttpMessageWriterFactory;
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import ch.boye.httpclientandroidlib.util.Args;
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/**
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* Default implementation of {@link HttpClientConnection}.
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*
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* @since 4.3
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*/
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@NotThreadSafe
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public class DefaultBHttpClientConnection extends BHttpConnectionBase
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implements HttpClientConnection {
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private final HttpMessageParser<HttpResponse> responseParser;
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private final HttpMessageWriter<HttpRequest> requestWriter;
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/**
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* Creates new instance of DefaultBHttpClientConnection.
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*
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* @param buffersize buffer size. Must be a positive number.
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* @param fragmentSizeHint fragment size hint.
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* @param chardecoder decoder to be used for decoding HTTP protocol elements.
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* If <code>null</code> simple type cast will be used for byte to char conversion.
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* @param charencoder encoder to be used for encoding HTTP protocol elements.
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* If <code>null</code> simple type cast will be used for char to byte conversion.
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* @param constraints Message constraints. If <code>null</code>
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* {@link MessageConstraints#DEFAULT} will be used.
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* @param incomingContentStrategy incoming content length strategy. If <code>null</code>
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* {@link ch.boye.httpclientandroidlib.impl.entity.LaxContentLengthStrategy#INSTANCE} will be used.
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* @param outgoingContentStrategy outgoing content length strategy. If <code>null</code>
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* {@link ch.boye.httpclientandroidlib.impl.entity.StrictContentLengthStrategy#INSTANCE} will be used.
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* @param requestWriterFactory request writer factory. If <code>null</code>
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* {@link DefaultHttpRequestWriterFactory#INSTANCE} will be used.
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* @param responseParserFactory response parser factory. If <code>null</code>
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* {@link DefaultHttpResponseParserFactory#INSTANCE} will be used.
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*/
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public DefaultBHttpClientConnection(
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final int buffersize,
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final int fragmentSizeHint,
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final CharsetDecoder chardecoder,
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final CharsetEncoder charencoder,
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final MessageConstraints constraints,
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final ContentLengthStrategy incomingContentStrategy,
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final ContentLengthStrategy outgoingContentStrategy,
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final HttpMessageWriterFactory<HttpRequest> requestWriterFactory,
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final HttpMessageParserFactory<HttpResponse> responseParserFactory) {
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super(buffersize, fragmentSizeHint, chardecoder, charencoder,
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constraints, incomingContentStrategy, outgoingContentStrategy);
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this.requestWriter = (requestWriterFactory != null ? requestWriterFactory :
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DefaultHttpRequestWriterFactory.INSTANCE).create(getSessionOutputBuffer());
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this.responseParser = (responseParserFactory != null ? responseParserFactory :
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DefaultHttpResponseParserFactory.INSTANCE).create(getSessionInputBuffer(), constraints);
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}
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public DefaultBHttpClientConnection(
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final int buffersize,
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final CharsetDecoder chardecoder,
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final CharsetEncoder charencoder,
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final MessageConstraints constraints) {
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this(buffersize, buffersize, chardecoder, charencoder, constraints, null, null, null, null);
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}
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public DefaultBHttpClientConnection(final int buffersize) {
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this(buffersize, buffersize, null, null, null, null, null, null, null);
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}
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protected void onResponseReceived(final HttpResponse response) {
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}
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protected void onRequestSubmitted(final HttpRequest request) {
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}
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@Override
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public void bind(final Socket socket) throws IOException {
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super.bind(socket);
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}
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public boolean isResponseAvailable(final int timeout) throws IOException {
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ensureOpen();
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try {
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return awaitInput(timeout);
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} catch (final SocketTimeoutException ex) {
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return false;
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}
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}
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public void sendRequestHeader(final HttpRequest request)
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throws HttpException, IOException {
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Args.notNull(request, "HTTP request");
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ensureOpen();
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this.requestWriter.write(request);
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onRequestSubmitted(request);
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incrementRequestCount();
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}
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public void sendRequestEntity(final HttpEntityEnclosingRequest request)
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throws HttpException, IOException {
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Args.notNull(request, "HTTP request");
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ensureOpen();
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final HttpEntity entity = request.getEntity();
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if (entity == null) {
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return;
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}
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final OutputStream outstream = prepareOutput(request);
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entity.writeTo(outstream);
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outstream.close();
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}
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public HttpResponse receiveResponseHeader() throws HttpException, IOException {
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ensureOpen();
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final HttpResponse response = this.responseParser.parse();
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onResponseReceived(response);
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if (response.getStatusLine().getStatusCode() >= HttpStatus.SC_OK) {
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incrementResponseCount();
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}
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return response;
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}
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public void receiveResponseEntity(
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final HttpResponse response) throws HttpException, IOException {
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Args.notNull(response, "HTTP response");
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ensureOpen();
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final HttpEntity entity = prepareInput(response);
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response.setEntity(entity);
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}
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public void flush() throws IOException {
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ensureOpen();
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doFlush();
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}
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}
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