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pt 1 in reviving the android build (copied from pm 28a1, wish me luck)
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wuggy
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291
mobile/android/thirdparty/ch/boye/httpclientandroidlib/util/EntityUtils.java
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291
mobile/android/thirdparty/ch/boye/httpclientandroidlib/util/EntityUtils.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.util;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.io.UnsupportedEncodingException;
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import java.nio.charset.Charset;
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import java.nio.charset.UnsupportedCharsetException;
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import ch.boye.httpclientandroidlib.HeaderElement;
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import ch.boye.httpclientandroidlib.HttpEntity;
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import ch.boye.httpclientandroidlib.HttpResponse;
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import ch.boye.httpclientandroidlib.NameValuePair;
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import ch.boye.httpclientandroidlib.ParseException;
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import ch.boye.httpclientandroidlib.entity.ContentType;
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import ch.boye.httpclientandroidlib.protocol.HTTP;
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/**
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* Static helpers for dealing with {@link HttpEntity}s.
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*
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* @since 4.0
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*/
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public final class EntityUtils {
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private EntityUtils() {
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}
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/**
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* Ensures that the entity content is fully consumed and the content stream, if exists,
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* is closed. The process is done, <i>quietly</i> , without throwing any IOException.
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*
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* @param entity the entity to consume.
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*
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*
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* @since 4.2
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*/
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public static void consumeQuietly(final HttpEntity entity) {
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try {
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consume(entity);
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} catch (final IOException ignore) {
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}
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}
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/**
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* Ensures that the entity content is fully consumed and the content stream, if exists,
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* is closed.
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*
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* @param entity the entity to consume.
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* @throws IOException if an error occurs reading the input stream
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*
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* @since 4.1
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*/
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public static void consume(final HttpEntity entity) throws IOException {
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if (entity == null) {
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return;
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}
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if (entity.isStreaming()) {
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final InputStream instream = entity.getContent();
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if (instream != null) {
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instream.close();
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}
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}
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}
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/**
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* Updates an entity in a response by first consuming an existing entity, then setting the new one.
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*
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* @param response the response with an entity to update; must not be null.
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* @param entity the entity to set in the response.
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* @throws IOException if an error occurs while reading the input stream on the existing
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* entity.
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* @throws IllegalArgumentException if response is null.
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*
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* @since 4.3
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*/
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public static void updateEntity(
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final HttpResponse response, final HttpEntity entity) throws IOException {
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Args.notNull(response, "Response");
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consume(response.getEntity());
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response.setEntity(entity);
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}
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/**
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* Read the contents of an entity and return it as a byte array.
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*
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* @param entity the entity to read from=
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* @return byte array containing the entity content. May be null if
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* {@link HttpEntity#getContent()} is null.
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* @throws IOException if an error occurs reading the input stream
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* @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
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*/
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public static byte[] toByteArray(final HttpEntity entity) throws IOException {
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Args.notNull(entity, "Entity");
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final InputStream instream = entity.getContent();
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if (instream == null) {
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return null;
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}
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try {
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Args.check(entity.getContentLength() <= Integer.MAX_VALUE,
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"HTTP entity too large to be buffered in memory");
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int i = (int)entity.getContentLength();
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if (i < 0) {
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i = 4096;
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}
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final ByteArrayBuffer buffer = new ByteArrayBuffer(i);
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final byte[] tmp = new byte[4096];
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int l;
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while((l = instream.read(tmp)) != -1) {
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buffer.append(tmp, 0, l);
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}
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return buffer.toByteArray();
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} finally {
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instream.close();
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}
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}
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/**
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* Obtains character set of the entity, if known.
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*
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* @param entity must not be null
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* @return the character set, or null if not found
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* @throws ParseException if header elements cannot be parsed
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* @throws IllegalArgumentException if entity is null
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*
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* @deprecated (4.1.3) use {@link ContentType#getOrDefault(HttpEntity)}
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*/
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@Deprecated
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public static String getContentCharSet(final HttpEntity entity) throws ParseException {
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Args.notNull(entity, "Entity");
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String charset = null;
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if (entity.getContentType() != null) {
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final HeaderElement values[] = entity.getContentType().getElements();
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if (values.length > 0) {
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final NameValuePair param = values[0].getParameterByName("charset");
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if (param != null) {
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charset = param.getValue();
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}
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}
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}
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return charset;
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}
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/**
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* Obtains MIME type of the entity, if known.
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*
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* @param entity must not be null
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* @return the character set, or null if not found
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* @throws ParseException if header elements cannot be parsed
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* @throws IllegalArgumentException if entity is null
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*
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* @since 4.1
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*
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* @deprecated (4.1.3) use {@link ContentType#getOrDefault(HttpEntity)}
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*/
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@Deprecated
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public static String getContentMimeType(final HttpEntity entity) throws ParseException {
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Args.notNull(entity, "Entity");
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String mimeType = null;
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if (entity.getContentType() != null) {
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final HeaderElement values[] = entity.getContentType().getElements();
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if (values.length > 0) {
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mimeType = values[0].getName();
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}
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}
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return mimeType;
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}
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/**
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* Get the entity content as a String, using the provided default character set
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* if none is found in the entity.
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* If defaultCharset is null, the default "ISO-8859-1" is used.
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*
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* @param entity must not be null
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* @param defaultCharset character set to be applied if none found in the entity
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* @return the entity content as a String. May be null if
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* {@link HttpEntity#getContent()} is null.
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* @throws ParseException if header elements cannot be parsed
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* @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
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* @throws IOException if an error occurs reading the input stream
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* @throws UnsupportedCharsetException Thrown when the named charset is not available in
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* this instance of the Java virtual machine
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*/
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public static String toString(
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final HttpEntity entity, final Charset defaultCharset) throws IOException, ParseException {
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Args.notNull(entity, "Entity");
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final InputStream instream = entity.getContent();
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if (instream == null) {
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return null;
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}
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try {
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Args.check(entity.getContentLength() <= Integer.MAX_VALUE,
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"HTTP entity too large to be buffered in memory");
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int i = (int)entity.getContentLength();
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if (i < 0) {
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i = 4096;
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}
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Charset charset = null;
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try {
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final ContentType contentType = ContentType.get(entity);
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if (contentType != null) {
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charset = contentType.getCharset();
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}
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} catch (final UnsupportedCharsetException ex) {
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throw new UnsupportedEncodingException(ex.getMessage());
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}
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if (charset == null) {
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charset = defaultCharset;
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}
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if (charset == null) {
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charset = HTTP.DEF_CONTENT_CHARSET;
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}
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final Reader reader = new InputStreamReader(instream, charset);
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final CharArrayBuffer buffer = new CharArrayBuffer(i);
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final char[] tmp = new char[1024];
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int l;
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while((l = reader.read(tmp)) != -1) {
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buffer.append(tmp, 0, l);
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}
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return buffer.toString();
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} finally {
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instream.close();
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}
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}
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/**
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* Get the entity content as a String, using the provided default character set
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* if none is found in the entity.
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* If defaultCharset is null, the default "ISO-8859-1" is used.
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*
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* @param entity must not be null
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* @param defaultCharset character set to be applied if none found in the entity
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* @return the entity content as a String. May be null if
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* {@link HttpEntity#getContent()} is null.
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* @throws ParseException if header elements cannot be parsed
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* @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
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* @throws IOException if an error occurs reading the input stream
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* @throws UnsupportedCharsetException Thrown when the named charset is not available in
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* this instance of the Java virtual machine
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*/
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public static String toString(
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final HttpEntity entity, final String defaultCharset) throws IOException, ParseException {
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return toString(entity, defaultCharset != null ? Charset.forName(defaultCharset) : null);
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}
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/**
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* Read the contents of an entity and return it as a String.
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* The content is converted using the character set from the entity (if any),
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* failing that, "ISO-8859-1" is used.
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*
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* @param entity the entity to convert to a string; must not be null
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* @return String containing the content.
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* @throws ParseException if header elements cannot be parsed
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* @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
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* @throws IOException if an error occurs reading the input stream
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* @throws UnsupportedCharsetException Thrown when the named charset is not available in
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* this instance of the Java virtual machine
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*/
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public static String toString(final HttpEntity entity)
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throws IOException, ParseException {
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return toString(entity, (Charset)null);
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}
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}
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