001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027package org.apache.http.impl;
028
029import org.apache.http.config.ConnectionConfig;
030
031import java.nio.charset.Charset;
032import java.nio.charset.CharsetDecoder;
033import java.nio.charset.CharsetEncoder;
034import java.nio.charset.CodingErrorAction;
035
036/**
037 * Connection support methods.
038 *
039 * @since 4.3
040 */
041public final class ConnSupport {
042
043    public static CharsetDecoder createDecoder(final ConnectionConfig cconfig) {
044        if (cconfig == null) {
045            return null;
046        }
047        final Charset charset = cconfig.getCharset();
048        final CodingErrorAction malformed = cconfig.getMalformedInputAction();
049        final CodingErrorAction unmappable = cconfig.getUnmappableInputAction();
050        if (charset != null) {
051            return charset.newDecoder()
052                    .onMalformedInput(malformed != null ? malformed : CodingErrorAction.REPORT)
053                    .onUnmappableCharacter(unmappable != null ? unmappable: CodingErrorAction.REPORT);
054        } else {
055            return null;
056        }
057    }
058
059    public static CharsetEncoder createEncoder(final ConnectionConfig cconfig) {
060        if (cconfig == null) {
061            return null;
062        }
063        final Charset charset = cconfig.getCharset();
064        if (charset != null) {
065            final CodingErrorAction malformed = cconfig.getMalformedInputAction();
066            final CodingErrorAction unmappable = cconfig.getUnmappableInputAction();
067            return charset.newEncoder()
068                .onMalformedInput(malformed != null ? malformed : CodingErrorAction.REPORT)
069                .onUnmappableCharacter(unmappable != null ? unmappable: CodingErrorAction.REPORT);
070        } else {
071            return null;
072        }
073    }
074
075}