| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package com.google.protobuf; |
| |
| /** Enum that identifies the Java types required to store protobuf fields. */ |
| @ExperimentalApi |
| public enum JavaType { |
| VOID(Void.class, Void.class, null), |
| INT(int.class, Integer.class, 0), |
| LONG(long.class, Long.class, 0L), |
| FLOAT(float.class, Float.class, 0F), |
| DOUBLE(double.class, Double.class, 0D), |
| BOOLEAN(boolean.class, Boolean.class, false), |
| STRING(String.class, String.class, ""), |
| BYTE_STRING(ByteString.class, ByteString.class, ByteString.EMPTY), |
| ENUM(int.class, Integer.class, null), |
| MESSAGE(Object.class, Object.class, null); |
| |
| private final Class<?> type; |
| private final Class<?> boxedType; |
| private final Object defaultDefault; |
| |
| JavaType(Class<?> type, Class<?> boxedType, Object defaultDefault) { |
| this.type = type; |
| this.boxedType = boxedType; |
| this.defaultDefault = defaultDefault; |
| } |
| |
| /** The default default value for fields of this type, if it's a primitive type. */ |
| public Object getDefaultDefault() { |
| return defaultDefault; |
| } |
| |
| /** Gets the required type for a field that would hold a value of this type. */ |
| public Class<?> getType() { |
| return type; |
| } |
| |
| /** @return the boxedType */ |
| public Class<?> getBoxedType() { |
| return boxedType; |
| } |
| |
| /** Indicates whether or not this {@link JavaType} can be applied to a field of the given type. */ |
| public boolean isValidType(Class<?> t) { |
| return type.isAssignableFrom(t); |
| } |
| } |