001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.juneau.marshall.parser; 018 019import static org.apache.juneau.commons.utils.Shorts.*; 020 021import org.apache.juneau.marshall.*; 022 023/** 024 * Subclass of {@link Parser} for byte-based parsers. 025 * 026 * <h5 class='topic'>Description</h5> 027 * <p> 028 * This class is typically the parent class of all byte-based parsers. 029 * It has 1 abstract method to implement on the session object... 030 * <ul> 031 * <li>{@link ParserSession#doRead(ParserPipe, ClassMeta)} 032 * </ul> 033 * 034 * <h5 class='section'>Notes:</h5><ul> 035 * <li class='note'>This class is thread safe and reusable. 036 * </ul> 037 * 038 * <h5 class='section'>See Also:</h5><ul> 039 * <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/SerializersAndParsers">Serializers and Parsers</a> 040 041 * </ul> 042 */ 043@SuppressWarnings({ 044 "java:S1192", // Duplicated literals (argument/property names) read more clearly inline than as constants 045 "java:S9149" // Per-format static factories intentionally shadow the parent's. 046}) 047public class InputStreamParser extends Parser { 048 049 /** 050 * Builder class. 051 */ 052 @SuppressWarnings({ 053 "java:S119" // 'SELF' (CRTP self-type) is intentional and clearer than a single-letter name. 054 }) 055 public abstract static class Builder<SELF extends Builder<SELF>> extends Parser.Builder<SELF> { 056 057 /** 058 * Constructor, default settings. 059 */ 060 protected Builder() {} 061 062 /** 063 * Copy constructor. 064 * 065 * @param copyFrom The builder to copy from. 066 * <br>Cannot be <jk>null</jk>. 067 */ 068 protected Builder(Builder<?> copyFrom) { 069 super(reqnn("copyFrom", copyFrom)); 070 } 071 072 /** 073 * Copy constructor. 074 * 075 * @param copyFrom The bean to copy from. 076 * <br>Cannot be <jk>null</jk>. 077 */ 078 protected Builder(InputStreamParser copyFrom) { 079 super(reqnn("copyFrom", copyFrom)); 080 } 081 082 @Override /* Overridden from Context.Builder<?> */ 083 public InputStreamParser build() { 084 return build(InputStreamParser.class); 085 } 086 087 @Override /* Overridden from Context.Builder<?> */ 088 public abstract SELF copy(); 089 090 091 } 092 093 /** 094 * Concrete default builder leaf for the non-subclassed {@link InputStreamParser#create()} / {@link InputStreamParser#copy()} path. 095 */ 096 public static final class DefaultBuilder extends Builder<DefaultBuilder> { 097 098 DefaultBuilder() {} 099 100 DefaultBuilder(InputStreamParser copyFrom) { 101 super(copyFrom); 102 } 103 104 DefaultBuilder(Builder<?> copyFrom) { 105 super(copyFrom); 106 } 107 108 @Override /* Overridden from Context.Builder<?> */ 109 public DefaultBuilder copy() { 110 return new DefaultBuilder(this); 111 } 112 } 113 114 /** 115 * Creates a new builder for this object. 116 * 117 * @return A new builder. 118 */ 119 @SuppressWarnings({ 120 "java:S1452" // Builder<?> wildcard return intentional; callers chain via fluent API without needing the concrete type 121 }) 122 public static Builder<?> create() { 123 return new DefaultBuilder(); 124 } 125 126 /** 127 * Constructor. 128 * 129 * @param builder The builder for this object. 130 * <br>Cannot be <jk>null</jk>. 131 */ 132 protected InputStreamParser(Builder<?> builder) { 133 super(builder); 134 } 135 136 @Override /* Overridden from Context */ 137 public InputStreamParserSession.Builder<?> createSession() { 138 return InputStreamParserSession.create(this); 139 } 140 141 @Override /* Overridden from Context */ 142 public InputStreamParserSession getSession() { return createSession().build(); } 143 144 @Override /* Overridden from Parser */ 145 public final boolean isReaderParser() { return false; } 146 147 /** 148 * Binary input format. 149 * 150 * <p> 151 * Resolves from the configured {@link MarshallingContext#getBinaryFormat()}. 152 * 153 * @return The binary wire format used by this parser. 154 */ 155 protected final BinaryFormat getBinaryFormat() { return getMarshallingContext().getBinaryFormat(); } 156}