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pt 1 in reviving the android build (copied from pm 28a1, wish me luck)
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319
mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/BasicLineFormatter.java
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319
mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/BasicLineFormatter.java
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/*
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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.message;
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import ch.boye.httpclientandroidlib.FormattedHeader;
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import ch.boye.httpclientandroidlib.Header;
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import ch.boye.httpclientandroidlib.ProtocolVersion;
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import ch.boye.httpclientandroidlib.RequestLine;
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import ch.boye.httpclientandroidlib.StatusLine;
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import ch.boye.httpclientandroidlib.annotation.Immutable;
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import ch.boye.httpclientandroidlib.util.Args;
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import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
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/**
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* Interface for formatting elements of the HEAD section of an HTTP message.
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* This is the complement to {@link LineParser}.
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* There are individual methods for formatting a request line, a
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* status line, or a header line. The formatting does <i>not</i> include the
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* trailing line break sequence CR-LF.
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* The formatted lines are returned in memory, the formatter does not depend
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* on any specific IO mechanism.
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* Instances of this interface are expected to be stateless and thread-safe.
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*
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* @since 4.0
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*/
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@Immutable
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public class BasicLineFormatter implements LineFormatter {
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/**
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* A default instance of this class, for use as default or fallback.
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* Note that {@link BasicLineFormatter} is not a singleton, there can
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* be many instances of the class itself and of derived classes.
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* The instance here provides non-customized, default behavior.
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*
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* @deprecated (4.3) use {@link #INSTANCE}
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*/
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@Deprecated
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public final static BasicLineFormatter DEFAULT = new BasicLineFormatter();
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public final static BasicLineFormatter INSTANCE = new BasicLineFormatter();
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public BasicLineFormatter() {
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super();
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}
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/**
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* Obtains a buffer for formatting.
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*
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* @param charBuffer a buffer already available, or <code>null</code>
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*
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* @return the cleared argument buffer if there is one, or
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* a new empty buffer that can be used for formatting
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*/
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protected CharArrayBuffer initBuffer(final CharArrayBuffer charBuffer) {
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CharArrayBuffer buffer = charBuffer;
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if (buffer != null) {
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buffer.clear();
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} else {
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buffer = new CharArrayBuffer(64);
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}
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return buffer;
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}
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/**
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* Formats a protocol version.
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*
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* @param version the protocol version to format
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* @param formatter the formatter to use, or
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* <code>null</code> for the
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* {@link #INSTANCE default}
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*
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* @return the formatted protocol version
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*/
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public static
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String formatProtocolVersion(final ProtocolVersion version,
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final LineFormatter formatter) {
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return (formatter != null ? formatter : BasicLineFormatter.INSTANCE)
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.appendProtocolVersion(null, version).toString();
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}
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// non-javadoc, see interface LineFormatter
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public CharArrayBuffer appendProtocolVersion(final CharArrayBuffer buffer,
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final ProtocolVersion version) {
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Args.notNull(version, "Protocol version");
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// can't use initBuffer, that would clear the argument!
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CharArrayBuffer result = buffer;
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final int len = estimateProtocolVersionLen(version);
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if (result == null) {
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result = new CharArrayBuffer(len);
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} else {
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result.ensureCapacity(len);
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}
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result.append(version.getProtocol());
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result.append('/');
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result.append(Integer.toString(version.getMajor()));
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result.append('.');
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result.append(Integer.toString(version.getMinor()));
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return result;
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}
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/**
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* Guesses the length of a formatted protocol version.
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* Needed to guess the length of a formatted request or status line.
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*
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* @param version the protocol version to format, or <code>null</code>
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*
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* @return the estimated length of the formatted protocol version,
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* in characters
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*/
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protected int estimateProtocolVersionLen(final ProtocolVersion version) {
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return version.getProtocol().length() + 4; // room for "HTTP/1.1"
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}
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/**
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* Formats a request line.
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*
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* @param reqline the request line to format
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* @param formatter the formatter to use, or
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* <code>null</code> for the
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* {@link #INSTANCE default}
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*
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* @return the formatted request line
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*/
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public static String formatRequestLine(final RequestLine reqline,
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final LineFormatter formatter) {
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return (formatter != null ? formatter : BasicLineFormatter.INSTANCE)
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.formatRequestLine(null, reqline).toString();
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}
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// non-javadoc, see interface LineFormatter
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public CharArrayBuffer formatRequestLine(final CharArrayBuffer buffer,
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final RequestLine reqline) {
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Args.notNull(reqline, "Request line");
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final CharArrayBuffer result = initBuffer(buffer);
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doFormatRequestLine(result, reqline);
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return result;
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}
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/**
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* Actually formats a request line.
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* Called from {@link #formatRequestLine}.
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*
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* @param buffer the empty buffer into which to format,
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* never <code>null</code>
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* @param reqline the request line to format, never <code>null</code>
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*/
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protected void doFormatRequestLine(final CharArrayBuffer buffer,
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final RequestLine reqline) {
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final String method = reqline.getMethod();
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final String uri = reqline.getUri();
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// room for "GET /index.html HTTP/1.1"
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final int len = method.length() + 1 + uri.length() + 1 +
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estimateProtocolVersionLen(reqline.getProtocolVersion());
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buffer.ensureCapacity(len);
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buffer.append(method);
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buffer.append(' ');
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buffer.append(uri);
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buffer.append(' ');
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appendProtocolVersion(buffer, reqline.getProtocolVersion());
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}
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/**
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* Formats a status line.
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*
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* @param statline the status line to format
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* @param formatter the formatter to use, or
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* <code>null</code> for the
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* {@link #INSTANCE default}
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*
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* @return the formatted status line
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*/
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public static String formatStatusLine(final StatusLine statline,
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final LineFormatter formatter) {
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return (formatter != null ? formatter : BasicLineFormatter.INSTANCE)
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.formatStatusLine(null, statline).toString();
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}
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// non-javadoc, see interface LineFormatter
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public CharArrayBuffer formatStatusLine(final CharArrayBuffer buffer,
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final StatusLine statline) {
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Args.notNull(statline, "Status line");
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final CharArrayBuffer result = initBuffer(buffer);
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doFormatStatusLine(result, statline);
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return result;
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}
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/**
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* Actually formats a status line.
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* Called from {@link #formatStatusLine}.
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*
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* @param buffer the empty buffer into which to format,
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* never <code>null</code>
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* @param statline the status line to format, never <code>null</code>
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*/
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protected void doFormatStatusLine(final CharArrayBuffer buffer,
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final StatusLine statline) {
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int len = estimateProtocolVersionLen(statline.getProtocolVersion())
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+ 1 + 3 + 1; // room for "HTTP/1.1 200 "
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final String reason = statline.getReasonPhrase();
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if (reason != null) {
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len += reason.length();
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}
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buffer.ensureCapacity(len);
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appendProtocolVersion(buffer, statline.getProtocolVersion());
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buffer.append(' ');
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buffer.append(Integer.toString(statline.getStatusCode()));
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buffer.append(' '); // keep whitespace even if reason phrase is empty
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if (reason != null) {
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buffer.append(reason);
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}
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}
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/**
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* Formats a header.
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*
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* @param header the header to format
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* @param formatter the formatter to use, or
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* <code>null</code> for the
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* {@link #INSTANCE default}
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*
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* @return the formatted header
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*/
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public static String formatHeader(final Header header,
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final LineFormatter formatter) {
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return (formatter != null ? formatter : BasicLineFormatter.INSTANCE)
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.formatHeader(null, header).toString();
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}
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// non-javadoc, see interface LineFormatter
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public CharArrayBuffer formatHeader(final CharArrayBuffer buffer,
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final Header header) {
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Args.notNull(header, "Header");
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final CharArrayBuffer result;
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if (header instanceof FormattedHeader) {
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// If the header is backed by a buffer, re-use the buffer
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result = ((FormattedHeader)header).getBuffer();
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} else {
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result = initBuffer(buffer);
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doFormatHeader(result, header);
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}
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return result;
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} // formatHeader
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/**
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* Actually formats a header.
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* Called from {@link #formatHeader}.
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*
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* @param buffer the empty buffer into which to format,
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* never <code>null</code>
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* @param header the header to format, never <code>null</code>
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*/
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protected void doFormatHeader(final CharArrayBuffer buffer,
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final Header header) {
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final String name = header.getName();
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final String value = header.getValue();
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int len = name.length() + 2;
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if (value != null) {
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len += value.length();
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}
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buffer.ensureCapacity(len);
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buffer.append(name);
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buffer.append(": ");
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if (value != null) {
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buffer.append(value);
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}
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}
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} // class BasicLineFormatter
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