169 lines
4.5 KiB
Java
169 lines
4.5 KiB
Java
/*
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* Copyright 2011 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "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, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import io.netty.buffer.ChannelBuffer;
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import io.netty.buffer.ChannelBuffers;
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import io.netty.util.internal.StringUtil;
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/**
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* The default {@link HttpMessage} implementation.
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*/
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public class DefaultHttpMessage implements HttpMessage {
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private final HttpHeaders headers = new HttpHeaders();
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private HttpVersion version;
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private ChannelBuffer content = ChannelBuffers.EMPTY_BUFFER;
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private boolean chunked;
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/**
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* Creates a new instance.
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*/
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protected DefaultHttpMessage(final HttpVersion version) {
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setProtocolVersion(version);
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}
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@Override
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public void addHeader(final String name, final Object value) {
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headers.addHeader(name, value);
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}
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@Override
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public void setHeader(final String name, final Object value) {
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headers.setHeader(name, value);
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}
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@Override
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public void setHeader(final String name, final Iterable<?> values) {
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headers.setHeader(name, values);
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}
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@Override
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public void removeHeader(final String name) {
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headers.removeHeader(name);
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}
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@Override
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public boolean isChunked() {
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if (chunked) {
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return true;
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} else {
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return HttpCodecUtil.isTransferEncodingChunked(this);
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}
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}
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@Override
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public void setChunked(boolean chunked) {
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this.chunked = chunked;
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if (chunked) {
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setContent(ChannelBuffers.EMPTY_BUFFER);
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}
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}
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@Override
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public void clearHeaders() {
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headers.clearHeaders();
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}
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@Override
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public void setContent(ChannelBuffer content) {
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if (content == null) {
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content = ChannelBuffers.EMPTY_BUFFER;
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}
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if (content.readable() && isChunked()) {
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throw new IllegalArgumentException(
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"non-empty content disallowed if this.chunked == true");
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}
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this.content = content;
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}
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@Override
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public String getHeader(final String name) {
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List<String> values = getHeaders(name);
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return values.size() > 0 ? values.get(0) : null;
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}
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@Override
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public List<String> getHeaders(final String name) {
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return headers.getHeaders(name);
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}
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@Override
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public List<Map.Entry<String, String>> getHeaders() {
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return headers.getHeaders();
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}
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@Override
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public boolean containsHeader(final String name) {
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return headers.containsHeader(name);
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}
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@Override
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public Set<String> getHeaderNames() {
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return headers.getHeaderNames();
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}
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@Override
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public HttpVersion getProtocolVersion() {
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return version;
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}
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@Override
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public void setProtocolVersion(HttpVersion version) {
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if (version == null) {
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throw new NullPointerException("version");
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}
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this.version = version;
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}
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@Override
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public ChannelBuffer getContent() {
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return content;
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}
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@Override
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public String toString() {
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StringBuilder buf = new StringBuilder();
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buf.append(getClass().getSimpleName());
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buf.append("(version: ");
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buf.append(getProtocolVersion().getText());
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buf.append(", keepAlive: ");
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buf.append(HttpHeaders.isKeepAlive(this));
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buf.append(", chunked: ");
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buf.append(isChunked());
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buf.append(')');
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buf.append(StringUtil.NEWLINE);
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appendHeaders(buf);
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// Remove the last newline.
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buf.setLength(buf.length() - StringUtil.NEWLINE.length());
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return buf.toString();
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}
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void appendHeaders(StringBuilder buf) {
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for (Map.Entry<String, String> e: getHeaders()) {
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buf.append(e.getKey());
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buf.append(": ");
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buf.append(e.getValue());
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buf.append(StringUtil.NEWLINE);
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}
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}
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}
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