| /* |
| * ==================================================================== |
| * 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.hc.core5.http.nio.entity; |
| |
| import java.io.IOException; |
| import java.nio.CharBuffer; |
| |
| import org.apache.hc.core5.http.ContentType; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.config.CharCodingConfig; |
| import org.apache.hc.core5.util.Args; |
| import org.apache.hc.core5.util.CharArrayBuffer; |
| |
| /** |
| * Basic {@link org.apache.hc.core5.http.nio.AsyncEntityConsumer} implementation |
| * that processes the data stream content into a string. |
| * |
| * @since 5.0 |
| */ |
| public class StringAsyncEntityConsumer extends AbstractCharAsyncEntityConsumer<String> { |
| |
| private final int capacityIncrement; |
| private final CharArrayBuffer content; |
| |
| public StringAsyncEntityConsumer(final int bufSize, final int capacityIncrement, final CharCodingConfig charCodingConfig) { |
| super(bufSize, charCodingConfig); |
| this.capacityIncrement = Args.positive(capacityIncrement, "Capacity increment"); |
| this.content = new CharArrayBuffer(1024); |
| } |
| |
| public StringAsyncEntityConsumer(final int capacityIncrement) { |
| this(DEF_BUF_SIZE, capacityIncrement, CharCodingConfig.DEFAULT); |
| } |
| |
| public StringAsyncEntityConsumer(final CharCodingConfig charCodingConfig) { |
| this(DEF_BUF_SIZE, Integer.MAX_VALUE, charCodingConfig); |
| } |
| |
| public StringAsyncEntityConsumer() { |
| this(Integer.MAX_VALUE); |
| } |
| |
| @Override |
| protected final void streamStart(final ContentType contentType) throws HttpException, IOException { |
| } |
| |
| @Override |
| protected int capacityIncrement() { |
| return capacityIncrement; |
| } |
| |
| @Override |
| protected final void data(final CharBuffer src, final boolean endOfStream) { |
| Args.notNull(src, "CharBuffer"); |
| final int chunk = src.remaining(); |
| content.ensureCapacity(chunk); |
| src.get(content.array(), content.length(), chunk); |
| content.setLength(content.length() + chunk); |
| } |
| |
| @Override |
| public String generateContent() { |
| return content.toString(); |
| } |
| |
| @Override |
| public void releaseResources() { |
| content.clear(); |
| } |
| |
| } |