diff options
Diffstat (limited to 'javanano/src/main/java/com/google/protobuf/nano/FieldData.java')
| -rw-r--r-- | javanano/src/main/java/com/google/protobuf/nano/FieldData.java | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/javanano/src/main/java/com/google/protobuf/nano/FieldData.java b/javanano/src/main/java/com/google/protobuf/nano/FieldData.java deleted file mode 100644 index ebebabc8..00000000 --- a/javanano/src/main/java/com/google/protobuf/nano/FieldData.java +++ /dev/null @@ -1,240 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2014 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.nano; - -import java.io.IOException; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; - -/** - * Stores unknown fields. These might be extensions or fields that the generated API doesn't - * know about yet. - */ -class FieldData implements Cloneable { - private Extension<?, ?> cachedExtension; - private Object value; - /** The serialised values for this object. Will be cleared if getValue is called */ - private List<UnknownFieldData> unknownFieldData; - - <T> FieldData(Extension<?, T> extension, T newValue) { - cachedExtension = extension; - value = newValue; - } - - FieldData() { - unknownFieldData = new ArrayList<UnknownFieldData>(); - } - - void addUnknownField(UnknownFieldData unknownField) { - unknownFieldData.add(unknownField); - } - - UnknownFieldData getUnknownField(int index) { - if (unknownFieldData == null) { - return null; - } - if (index < unknownFieldData.size()) { - return unknownFieldData.get(index); - } - return null; - } - - int getUnknownFieldSize() { - if (unknownFieldData == null) { - return 0; - } - return unknownFieldData.size(); - } - - <T> T getValue(Extension<?, T> extension) { - if (value != null){ - if (cachedExtension != extension) { // Extension objects are singletons. - throw new IllegalStateException( - "Tried to getExtension with a differernt Extension."); - } - } else { - cachedExtension = extension; - value = extension.getValueFrom(unknownFieldData); - unknownFieldData = null; - } - return (T) value; - } - - <T> void setValue(Extension<?, T> extension, T newValue) { - cachedExtension = extension; - value = newValue; - unknownFieldData = null; - } - - int computeSerializedSize() { - int size = 0; - if (value != null) { - size = cachedExtension.computeSerializedSize(value); - } else { - for (UnknownFieldData unknownField : unknownFieldData) { - size += unknownField.computeSerializedSize(); - } - } - return size; - } - - void writeTo(CodedOutputByteBufferNano output) throws IOException { - if (value != null) { - cachedExtension.writeTo(value, output); - } else { - for (UnknownFieldData unknownField : unknownFieldData) { - unknownField.writeTo(output); - } - } - } - - @Override - public boolean equals(Object o) { - if (o == this) { - return true; - } - if (!(o instanceof FieldData)) { - return false; - } - - FieldData other = (FieldData) o; - if (value != null && other.value != null) { - // If both objects have deserialized values, compare those. - // Since unknown fields are only compared if messages have generated equals methods - // we know this will be a meaningful comparison (not identity) for all values. - if (cachedExtension != other.cachedExtension) { // Extension objects are singletons. - return false; - } - if (!cachedExtension.clazz.isArray()) { - // Can't test (!cachedExtension.repeated) due to 'bytes' -> 'byte[]' - return value.equals(other.value); - } - if (value instanceof byte[]) { - return Arrays.equals((byte[]) value, (byte[]) other.value); - } else if (value instanceof int[]) { - return Arrays.equals((int[]) value, (int[]) other.value); - } else if (value instanceof long[]) { - return Arrays.equals((long[]) value, (long[]) other.value); - } else if (value instanceof float[]) { - return Arrays.equals((float[]) value, (float[]) other.value); - } else if (value instanceof double[]) { - return Arrays.equals((double[]) value, (double[]) other.value); - } else if (value instanceof boolean[]) { - return Arrays.equals((boolean[]) value, (boolean[]) other.value); - } else { - return Arrays.deepEquals((Object[]) value, (Object[]) other.value); - } - } - if (unknownFieldData != null && other.unknownFieldData != null) { - // If both objects have byte arrays compare those directly. - return unknownFieldData.equals(other.unknownFieldData); - } - try { - // As a last resort, serialize and compare the resulting byte arrays. - return Arrays.equals(toByteArray(), other.toByteArray()); - } catch (IOException e) { - // Should not happen. - throw new IllegalStateException(e); - } - } - - @Override - public int hashCode() { - int result = 17; - try { - // The only way to generate a consistent hash is to use the serialized form. - result = 31 * result + Arrays.hashCode(toByteArray()); - } catch (IOException e) { - // Should not happen. - throw new IllegalStateException(e); - } - return result; - } - - private byte[] toByteArray() throws IOException { - byte[] result = new byte[computeSerializedSize()]; - CodedOutputByteBufferNano output = CodedOutputByteBufferNano.newInstance(result); - writeTo(output); - return result; - } - - @Override - public final FieldData clone() { - FieldData clone = new FieldData(); - try { - clone.cachedExtension = cachedExtension; - if (unknownFieldData == null) { - clone.unknownFieldData = null; - } else { - clone.unknownFieldData.addAll(unknownFieldData); - } - - // Whether we need to deep clone value depends on its type. Primitive reference types - // (e.g. Integer, Long etc.) are ok, since they're immutable. We need to clone arrays - // and messages. - if (value == null) { - // No cloning required. - } else if (value instanceof MessageNano) { - clone.value = ((MessageNano) value).clone(); - } else if (value instanceof byte[]) { - clone.value = ((byte[]) value).clone(); - } else if (value instanceof byte[][]) { - byte[][] valueArray = (byte[][]) value; - byte[][] cloneArray = new byte[valueArray.length][]; - clone.value = cloneArray; - for (int i = 0; i < valueArray.length; i++) { - cloneArray[i] = valueArray[i].clone(); - } - } else if (value instanceof boolean[]) { - clone.value = ((boolean[]) value).clone(); - } else if (value instanceof int[]) { - clone.value = ((int[]) value).clone(); - } else if (value instanceof long[]) { - clone.value = ((long[]) value).clone(); - } else if (value instanceof float[]) { - clone.value = ((float[]) value).clone(); - } else if (value instanceof double[]) { - clone.value = ((double[]) value).clone(); - } else if (value instanceof MessageNano[]) { - MessageNano[] valueArray = (MessageNano[]) value; - MessageNano[] cloneArray = new MessageNano[valueArray.length]; - clone.value = cloneArray; - for (int i = 0; i < valueArray.length; i++) { - cloneArray[i] = valueArray[i].clone(); - } - } - return clone; - } catch (CloneNotSupportedException e) { - throw new AssertionError(e); - } - } -} |