Index: third_party/protobuf/java/src/main/java/com/google/protobuf/FieldSet.java |
diff --git a/third_party/protobuf/java/src/main/java/com/google/protobuf/FieldSet.java b/third_party/protobuf/java/src/main/java/com/google/protobuf/FieldSet.java |
deleted file mode 100644 |
index 2663694fc3de2dd3fc832b29230813a6b91d62dd..0000000000000000000000000000000000000000 |
--- a/third_party/protobuf/java/src/main/java/com/google/protobuf/FieldSet.java |
+++ /dev/null |
@@ -1,861 +0,0 @@ |
-// Protocol Buffers - Google's data interchange format |
-// Copyright 2008 Google Inc. All rights reserved. |
-// http://code.google.com/p/protobuf/ |
-// |
-// 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; |
- |
-import com.google.protobuf.LazyField.LazyIterator; |
- |
-import java.io.IOException; |
-import java.util.ArrayList; |
-import java.util.Collections; |
-import java.util.Iterator; |
-import java.util.List; |
-import java.util.Map; |
- |
-/** |
- * A class which represents an arbitrary set of fields of some message type. |
- * This is used to implement {@link DynamicMessage}, and also to represent |
- * extensions in {@link GeneratedMessage}. This class is package-private, |
- * since outside users should probably be using {@link DynamicMessage}. |
- * |
- * @author kenton@google.com Kenton Varda |
- */ |
-final class FieldSet<FieldDescriptorType extends |
- FieldSet.FieldDescriptorLite<FieldDescriptorType>> { |
- /** |
- * Interface for a FieldDescriptor or lite extension descriptor. This |
- * prevents FieldSet from depending on {@link Descriptors.FieldDescriptor}. |
- */ |
- public interface FieldDescriptorLite<T extends FieldDescriptorLite<T>> |
- extends Comparable<T> { |
- int getNumber(); |
- WireFormat.FieldType getLiteType(); |
- WireFormat.JavaType getLiteJavaType(); |
- boolean isRepeated(); |
- boolean isPacked(); |
- Internal.EnumLiteMap<?> getEnumType(); |
- |
- // If getLiteJavaType() == MESSAGE, this merges a message object of the |
- // type into a builder of the type. Returns {@code to}. |
- MessageLite.Builder internalMergeFrom( |
- MessageLite.Builder to, MessageLite from); |
- } |
- |
- private final SmallSortedMap<FieldDescriptorType, Object> fields; |
- private boolean isImmutable; |
- private boolean hasLazyField = false; |
- |
- /** Construct a new FieldSet. */ |
- private FieldSet() { |
- this.fields = SmallSortedMap.newFieldMap(16); |
- } |
- |
- /** |
- * Construct an empty FieldSet. This is only used to initialize |
- * DEFAULT_INSTANCE. |
- */ |
- private FieldSet(final boolean dummy) { |
- this.fields = SmallSortedMap.newFieldMap(0); |
- makeImmutable(); |
- } |
- |
- /** Construct a new FieldSet. */ |
- public static <T extends FieldSet.FieldDescriptorLite<T>> |
- FieldSet<T> newFieldSet() { |
- return new FieldSet<T>(); |
- } |
- |
- /** Get an immutable empty FieldSet. */ |
- @SuppressWarnings("unchecked") |
- public static <T extends FieldSet.FieldDescriptorLite<T>> |
- FieldSet<T> emptySet() { |
- return DEFAULT_INSTANCE; |
- } |
- @SuppressWarnings("rawtypes") |
- private static final FieldSet DEFAULT_INSTANCE = new FieldSet(true); |
- |
- /** Make this FieldSet immutable from this point forward. */ |
- @SuppressWarnings("unchecked") |
- public void makeImmutable() { |
- if (isImmutable) { |
- return; |
- } |
- fields.makeImmutable(); |
- isImmutable = true; |
- } |
- |
- /** |
- * Returns whether the FieldSet is immutable. This is true if it is the |
- * {@link #emptySet} or if {@link #makeImmutable} were called. |
- * |
- * @return whether the FieldSet is immutable. |
- */ |
- public boolean isImmutable() { |
- return isImmutable; |
- } |
- |
- /** |
- * Clones the FieldSet. The returned FieldSet will be mutable even if the |
- * original FieldSet was immutable. |
- * |
- * @return the newly cloned FieldSet |
- */ |
- @Override |
- public FieldSet<FieldDescriptorType> clone() { |
- // We can't just call fields.clone because List objects in the map |
- // should not be shared. |
- FieldSet<FieldDescriptorType> clone = FieldSet.newFieldSet(); |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- Map.Entry<FieldDescriptorType, Object> entry = fields.getArrayEntryAt(i); |
- FieldDescriptorType descriptor = entry.getKey(); |
- clone.setField(descriptor, entry.getValue()); |
- } |
- for (Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- FieldDescriptorType descriptor = entry.getKey(); |
- clone.setField(descriptor, entry.getValue()); |
- } |
- clone.hasLazyField = hasLazyField; |
- return clone; |
- } |
- |
- // ================================================================= |
- |
- /** See {@link Message.Builder#clear()}. */ |
- public void clear() { |
- fields.clear(); |
- hasLazyField = false; |
- } |
- |
- /** |
- * Get a simple map containing all the fields. |
- */ |
- public Map<FieldDescriptorType, Object> getAllFields() { |
- if (hasLazyField) { |
- SmallSortedMap<FieldDescriptorType, Object> result = |
- SmallSortedMap.newFieldMap(16); |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- cloneFieldEntry(result, fields.getArrayEntryAt(i)); |
- } |
- for (Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- cloneFieldEntry(result, entry); |
- } |
- if (fields.isImmutable()) { |
- result.makeImmutable(); |
- } |
- return result; |
- } |
- return fields.isImmutable() ? fields : Collections.unmodifiableMap(fields); |
- } |
- |
- private void cloneFieldEntry(Map<FieldDescriptorType, Object> map, |
- Map.Entry<FieldDescriptorType, Object> entry) { |
- FieldDescriptorType key = entry.getKey(); |
- Object value = entry.getValue(); |
- if (value instanceof LazyField) { |
- map.put(key, ((LazyField) value).getValue()); |
- } else { |
- map.put(key, value); |
- } |
- } |
- |
- /** |
- * Get an iterator to the field map. This iterator should not be leaked out |
- * of the protobuf library as it is not protected from mutation when fields |
- * is not immutable. |
- */ |
- public Iterator<Map.Entry<FieldDescriptorType, Object>> iterator() { |
- if (hasLazyField) { |
- return new LazyIterator<FieldDescriptorType>( |
- fields.entrySet().iterator()); |
- } |
- return fields.entrySet().iterator(); |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message#hasField(Descriptors.FieldDescriptor)}. |
- */ |
- public boolean hasField(final FieldDescriptorType descriptor) { |
- if (descriptor.isRepeated()) { |
- throw new IllegalArgumentException( |
- "hasField() can only be called on non-repeated fields."); |
- } |
- |
- return fields.get(descriptor) != null; |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message#getField(Descriptors.FieldDescriptor)}. This method |
- * returns {@code null} if the field is not set; in this case it is up |
- * to the caller to fetch the field's default value. |
- */ |
- public Object getField(final FieldDescriptorType descriptor) { |
- Object o = fields.get(descriptor); |
- if (o instanceof LazyField) { |
- return ((LazyField) o).getValue(); |
- } |
- return o; |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message.Builder#setField(Descriptors.FieldDescriptor,Object)}. |
- */ |
- @SuppressWarnings({"unchecked", "rawtypes"}) |
- public void setField(final FieldDescriptorType descriptor, |
- Object value) { |
- if (descriptor.isRepeated()) { |
- if (!(value instanceof List)) { |
- throw new IllegalArgumentException( |
- "Wrong object type used with protocol message reflection."); |
- } |
- |
- // Wrap the contents in a new list so that the caller cannot change |
- // the list's contents after setting it. |
- final List newList = new ArrayList(); |
- newList.addAll((List) value); |
- for (final Object element : newList) { |
- verifyType(descriptor.getLiteType(), element); |
- } |
- value = newList; |
- } else { |
- verifyType(descriptor.getLiteType(), value); |
- } |
- |
- if (value instanceof LazyField) { |
- hasLazyField = true; |
- } |
- fields.put(descriptor, value); |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message.Builder#clearField(Descriptors.FieldDescriptor)}. |
- */ |
- public void clearField(final FieldDescriptorType descriptor) { |
- fields.remove(descriptor); |
- if (fields.isEmpty()) { |
- hasLazyField = false; |
- } |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message#getRepeatedFieldCount(Descriptors.FieldDescriptor)}. |
- */ |
- public int getRepeatedFieldCount(final FieldDescriptorType descriptor) { |
- if (!descriptor.isRepeated()) { |
- throw new IllegalArgumentException( |
- "getRepeatedField() can only be called on repeated fields."); |
- } |
- |
- final Object value = getField(descriptor); |
- if (value == null) { |
- return 0; |
- } else { |
- return ((List<?>) value).size(); |
- } |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message#getRepeatedField(Descriptors.FieldDescriptor,int)}. |
- */ |
- public Object getRepeatedField(final FieldDescriptorType descriptor, |
- final int index) { |
- if (!descriptor.isRepeated()) { |
- throw new IllegalArgumentException( |
- "getRepeatedField() can only be called on repeated fields."); |
- } |
- |
- final Object value = getField(descriptor); |
- |
- if (value == null) { |
- throw new IndexOutOfBoundsException(); |
- } else { |
- return ((List<?>) value).get(index); |
- } |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message.Builder#setRepeatedField(Descriptors.FieldDescriptor,int,Object)}. |
- */ |
- @SuppressWarnings("unchecked") |
- public void setRepeatedField(final FieldDescriptorType descriptor, |
- final int index, |
- final Object value) { |
- if (!descriptor.isRepeated()) { |
- throw new IllegalArgumentException( |
- "getRepeatedField() can only be called on repeated fields."); |
- } |
- |
- final Object list = getField(descriptor); |
- if (list == null) { |
- throw new IndexOutOfBoundsException(); |
- } |
- |
- verifyType(descriptor.getLiteType(), value); |
- ((List<Object>) list).set(index, value); |
- } |
- |
- /** |
- * Useful for implementing |
- * {@link Message.Builder#addRepeatedField(Descriptors.FieldDescriptor,Object)}. |
- */ |
- @SuppressWarnings("unchecked") |
- public void addRepeatedField(final FieldDescriptorType descriptor, |
- final Object value) { |
- if (!descriptor.isRepeated()) { |
- throw new IllegalArgumentException( |
- "addRepeatedField() can only be called on repeated fields."); |
- } |
- |
- verifyType(descriptor.getLiteType(), value); |
- |
- final Object existingValue = getField(descriptor); |
- List<Object> list; |
- if (existingValue == null) { |
- list = new ArrayList<Object>(); |
- fields.put(descriptor, list); |
- } else { |
- list = (List<Object>) existingValue; |
- } |
- |
- list.add(value); |
- } |
- |
- /** |
- * Verifies that the given object is of the correct type to be a valid |
- * value for the given field. (For repeated fields, this checks if the |
- * object is the right type to be one element of the field.) |
- * |
- * @throws IllegalArgumentException The value is not of the right type. |
- */ |
- private static void verifyType(final WireFormat.FieldType type, |
- final Object value) { |
- if (value == null) { |
- throw new NullPointerException(); |
- } |
- |
- boolean isValid = false; |
- switch (type.getJavaType()) { |
- case INT: isValid = value instanceof Integer ; break; |
- case LONG: isValid = value instanceof Long ; break; |
- case FLOAT: isValid = value instanceof Float ; break; |
- case DOUBLE: isValid = value instanceof Double ; break; |
- case BOOLEAN: isValid = value instanceof Boolean ; break; |
- case STRING: isValid = value instanceof String ; break; |
- case BYTE_STRING: isValid = value instanceof ByteString; break; |
- case ENUM: |
- // TODO(kenton): Caller must do type checking here, I guess. |
- isValid = value instanceof Internal.EnumLite; |
- break; |
- case MESSAGE: |
- // TODO(kenton): Caller must do type checking here, I guess. |
- isValid = |
- (value instanceof MessageLite) || (value instanceof LazyField); |
- break; |
- } |
- |
- if (!isValid) { |
- // TODO(kenton): When chaining calls to setField(), it can be hard to |
- // tell from the stack trace which exact call failed, since the whole |
- // chain is considered one line of code. It would be nice to print |
- // more information here, e.g. naming the field. We used to do that. |
- // But we can't now that FieldSet doesn't use descriptors. Maybe this |
- // isn't a big deal, though, since it would only really apply when using |
- // reflection and generally people don't chain reflection setters. |
- throw new IllegalArgumentException( |
- "Wrong object type used with protocol message reflection."); |
- } |
- } |
- |
- // ================================================================= |
- // Parsing and serialization |
- |
- /** |
- * See {@link Message#isInitialized()}. Note: Since {@code FieldSet} |
- * itself does not have any way of knowing about required fields that |
- * aren't actually present in the set, it is up to the caller to check |
- * that all required fields are present. |
- */ |
- public boolean isInitialized() { |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- if (!isInitialized(fields.getArrayEntryAt(i))) { |
- return false; |
- } |
- } |
- for (final Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- if (!isInitialized(entry)) { |
- return false; |
- } |
- } |
- return true; |
- } |
- |
- @SuppressWarnings("unchecked") |
- private boolean isInitialized( |
- final Map.Entry<FieldDescriptorType, Object> entry) { |
- final FieldDescriptorType descriptor = entry.getKey(); |
- if (descriptor.getLiteJavaType() == WireFormat.JavaType.MESSAGE) { |
- if (descriptor.isRepeated()) { |
- for (final MessageLite element: |
- (List<MessageLite>) entry.getValue()) { |
- if (!element.isInitialized()) { |
- return false; |
- } |
- } |
- } else { |
- Object value = entry.getValue(); |
- if (value instanceof MessageLite) { |
- if (!((MessageLite) value).isInitialized()) { |
- return false; |
- } |
- } else if (value instanceof LazyField) { |
- return true; |
- } else { |
- throw new IllegalArgumentException( |
- "Wrong object type used with protocol message reflection."); |
- } |
- } |
- } |
- return true; |
- } |
- |
- /** |
- * Given a field type, return the wire type. |
- * |
- * @returns One of the {@code WIRETYPE_} constants defined in |
- * {@link WireFormat}. |
- */ |
- static int getWireFormatForFieldType(final WireFormat.FieldType type, |
- boolean isPacked) { |
- if (isPacked) { |
- return WireFormat.WIRETYPE_LENGTH_DELIMITED; |
- } else { |
- return type.getWireType(); |
- } |
- } |
- |
- /** |
- * Like {@link Message.Builder#mergeFrom(Message)}, but merges from another |
- * {@link FieldSet}. |
- */ |
- public void mergeFrom(final FieldSet<FieldDescriptorType> other) { |
- for (int i = 0; i < other.fields.getNumArrayEntries(); i++) { |
- mergeFromField(other.fields.getArrayEntryAt(i)); |
- } |
- for (final Map.Entry<FieldDescriptorType, Object> entry : |
- other.fields.getOverflowEntries()) { |
- mergeFromField(entry); |
- } |
- } |
- |
- @SuppressWarnings({"unchecked", "rawtypes"}) |
- private void mergeFromField( |
- final Map.Entry<FieldDescriptorType, Object> entry) { |
- final FieldDescriptorType descriptor = entry.getKey(); |
- Object otherValue = entry.getValue(); |
- if (otherValue instanceof LazyField) { |
- otherValue = ((LazyField) otherValue).getValue(); |
- } |
- |
- if (descriptor.isRepeated()) { |
- Object value = getField(descriptor); |
- if (value == null) { |
- // Our list is empty, but we still need to make a defensive copy of |
- // the other list since we don't know if the other FieldSet is still |
- // mutable. |
- fields.put(descriptor, new ArrayList((List) otherValue)); |
- } else { |
- // Concatenate the lists. |
- ((List) value).addAll((List) otherValue); |
- } |
- } else if (descriptor.getLiteJavaType() == WireFormat.JavaType.MESSAGE) { |
- Object value = getField(descriptor); |
- if (value == null) { |
- fields.put(descriptor, otherValue); |
- } else { |
- // Merge the messages. |
- fields.put( |
- descriptor, |
- descriptor.internalMergeFrom( |
- ((MessageLite) value).toBuilder(), (MessageLite) otherValue) |
- .build()); |
- } |
- } else { |
- fields.put(descriptor, otherValue); |
- } |
- } |
- |
- // TODO(kenton): Move static parsing and serialization methods into some |
- // other class. Probably WireFormat. |
- |
- /** |
- * Read a field of any primitive type from a CodedInputStream. Enums, |
- * groups, and embedded messages are not handled by this method. |
- * |
- * @param input The stream from which to read. |
- * @param type Declared type of the field. |
- * @return An object representing the field's value, of the exact |
- * type which would be returned by |
- * {@link Message#getField(Descriptors.FieldDescriptor)} for |
- * this field. |
- */ |
- public static Object readPrimitiveField( |
- CodedInputStream input, |
- final WireFormat.FieldType type) throws IOException { |
- switch (type) { |
- case DOUBLE : return input.readDouble (); |
- case FLOAT : return input.readFloat (); |
- case INT64 : return input.readInt64 (); |
- case UINT64 : return input.readUInt64 (); |
- case INT32 : return input.readInt32 (); |
- case FIXED64 : return input.readFixed64 (); |
- case FIXED32 : return input.readFixed32 (); |
- case BOOL : return input.readBool (); |
- case STRING : return input.readString (); |
- case BYTES : return input.readBytes (); |
- case UINT32 : return input.readUInt32 (); |
- case SFIXED32: return input.readSFixed32(); |
- case SFIXED64: return input.readSFixed64(); |
- case SINT32 : return input.readSInt32 (); |
- case SINT64 : return input.readSInt64 (); |
- |
- case GROUP: |
- throw new IllegalArgumentException( |
- "readPrimitiveField() cannot handle nested groups."); |
- case MESSAGE: |
- throw new IllegalArgumentException( |
- "readPrimitiveField() cannot handle embedded messages."); |
- case ENUM: |
- // We don't handle enums because we don't know what to do if the |
- // value is not recognized. |
- throw new IllegalArgumentException( |
- "readPrimitiveField() cannot handle enums."); |
- } |
- |
- throw new RuntimeException( |
- "There is no way to get here, but the compiler thinks otherwise."); |
- } |
- |
- /** See {@link Message#writeTo(CodedOutputStream)}. */ |
- public void writeTo(final CodedOutputStream output) |
- throws IOException { |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- final Map.Entry<FieldDescriptorType, Object> entry = |
- fields.getArrayEntryAt(i); |
- writeField(entry.getKey(), entry.getValue(), output); |
- } |
- for (final Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- writeField(entry.getKey(), entry.getValue(), output); |
- } |
- } |
- |
- /** |
- * Like {@link #writeTo} but uses MessageSet wire format. |
- */ |
- public void writeMessageSetTo(final CodedOutputStream output) |
- throws IOException { |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- writeMessageSetTo(fields.getArrayEntryAt(i), output); |
- } |
- for (final Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- writeMessageSetTo(entry, output); |
- } |
- } |
- |
- private void writeMessageSetTo( |
- final Map.Entry<FieldDescriptorType, Object> entry, |
- final CodedOutputStream output) throws IOException { |
- final FieldDescriptorType descriptor = entry.getKey(); |
- if (descriptor.getLiteJavaType() == WireFormat.JavaType.MESSAGE && |
- !descriptor.isRepeated() && !descriptor.isPacked()) { |
- output.writeMessageSetExtension(entry.getKey().getNumber(), |
- (MessageLite) entry.getValue()); |
- } else { |
- writeField(descriptor, entry.getValue(), output); |
- } |
- } |
- |
- /** |
- * Write a single tag-value pair to the stream. |
- * |
- * @param output The output stream. |
- * @param type The field's type. |
- * @param number The field's number. |
- * @param value Object representing the field's value. Must be of the exact |
- * type which would be returned by |
- * {@link Message#getField(Descriptors.FieldDescriptor)} for |
- * this field. |
- */ |
- private static void writeElement(final CodedOutputStream output, |
- final WireFormat.FieldType type, |
- final int number, |
- final Object value) throws IOException { |
- // Special case for groups, which need a start and end tag; other fields |
- // can just use writeTag() and writeFieldNoTag(). |
- if (type == WireFormat.FieldType.GROUP) { |
- output.writeGroup(number, (MessageLite) value); |
- } else { |
- output.writeTag(number, getWireFormatForFieldType(type, false)); |
- writeElementNoTag(output, type, value); |
- } |
- } |
- |
- /** |
- * Write a field of arbitrary type, without its tag, to the stream. |
- * |
- * @param output The output stream. |
- * @param type The field's type. |
- * @param value Object representing the field's value. Must be of the exact |
- * type which would be returned by |
- * {@link Message#getField(Descriptors.FieldDescriptor)} for |
- * this field. |
- */ |
- private static void writeElementNoTag( |
- final CodedOutputStream output, |
- final WireFormat.FieldType type, |
- final Object value) throws IOException { |
- switch (type) { |
- case DOUBLE : output.writeDoubleNoTag ((Double ) value); break; |
- case FLOAT : output.writeFloatNoTag ((Float ) value); break; |
- case INT64 : output.writeInt64NoTag ((Long ) value); break; |
- case UINT64 : output.writeUInt64NoTag ((Long ) value); break; |
- case INT32 : output.writeInt32NoTag ((Integer ) value); break; |
- case FIXED64 : output.writeFixed64NoTag ((Long ) value); break; |
- case FIXED32 : output.writeFixed32NoTag ((Integer ) value); break; |
- case BOOL : output.writeBoolNoTag ((Boolean ) value); break; |
- case STRING : output.writeStringNoTag ((String ) value); break; |
- case GROUP : output.writeGroupNoTag ((MessageLite) value); break; |
- case MESSAGE : output.writeMessageNoTag ((MessageLite) value); break; |
- case BYTES : output.writeBytesNoTag ((ByteString ) value); break; |
- case UINT32 : output.writeUInt32NoTag ((Integer ) value); break; |
- case SFIXED32: output.writeSFixed32NoTag((Integer ) value); break; |
- case SFIXED64: output.writeSFixed64NoTag((Long ) value); break; |
- case SINT32 : output.writeSInt32NoTag ((Integer ) value); break; |
- case SINT64 : output.writeSInt64NoTag ((Long ) value); break; |
- |
- case ENUM: |
- output.writeEnumNoTag(((Internal.EnumLite) value).getNumber()); |
- break; |
- } |
- } |
- |
- /** Write a single field. */ |
- public static void writeField(final FieldDescriptorLite<?> descriptor, |
- final Object value, |
- final CodedOutputStream output) |
- throws IOException { |
- WireFormat.FieldType type = descriptor.getLiteType(); |
- int number = descriptor.getNumber(); |
- if (descriptor.isRepeated()) { |
- final List<?> valueList = (List<?>)value; |
- if (descriptor.isPacked()) { |
- output.writeTag(number, WireFormat.WIRETYPE_LENGTH_DELIMITED); |
- // Compute the total data size so the length can be written. |
- int dataSize = 0; |
- for (final Object element : valueList) { |
- dataSize += computeElementSizeNoTag(type, element); |
- } |
- output.writeRawVarint32(dataSize); |
- // Write the data itself, without any tags. |
- for (final Object element : valueList) { |
- writeElementNoTag(output, type, element); |
- } |
- } else { |
- for (final Object element : valueList) { |
- writeElement(output, type, number, element); |
- } |
- } |
- } else { |
- if (value instanceof LazyField) { |
- writeElement(output, type, number, ((LazyField) value).getValue()); |
- } else { |
- writeElement(output, type, number, value); |
- } |
- } |
- } |
- |
- /** |
- * See {@link Message#getSerializedSize()}. It's up to the caller to cache |
- * the resulting size if desired. |
- */ |
- public int getSerializedSize() { |
- int size = 0; |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- final Map.Entry<FieldDescriptorType, Object> entry = |
- fields.getArrayEntryAt(i); |
- size += computeFieldSize(entry.getKey(), entry.getValue()); |
- } |
- for (final Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- size += computeFieldSize(entry.getKey(), entry.getValue()); |
- } |
- return size; |
- } |
- |
- /** |
- * Like {@link #getSerializedSize} but uses MessageSet wire format. |
- */ |
- public int getMessageSetSerializedSize() { |
- int size = 0; |
- for (int i = 0; i < fields.getNumArrayEntries(); i++) { |
- size += getMessageSetSerializedSize(fields.getArrayEntryAt(i)); |
- } |
- for (final Map.Entry<FieldDescriptorType, Object> entry : |
- fields.getOverflowEntries()) { |
- size += getMessageSetSerializedSize(entry); |
- } |
- return size; |
- } |
- |
- private int getMessageSetSerializedSize( |
- final Map.Entry<FieldDescriptorType, Object> entry) { |
- final FieldDescriptorType descriptor = entry.getKey(); |
- Object value = entry.getValue(); |
- if (descriptor.getLiteJavaType() == WireFormat.JavaType.MESSAGE |
- && !descriptor.isRepeated() && !descriptor.isPacked()) { |
- if (value instanceof LazyField) { |
- return CodedOutputStream.computeLazyFieldMessageSetExtensionSize( |
- entry.getKey().getNumber(), (LazyField) value); |
- } else { |
- return CodedOutputStream.computeMessageSetExtensionSize( |
- entry.getKey().getNumber(), (MessageLite) value); |
- } |
- } else { |
- return computeFieldSize(descriptor, value); |
- } |
- } |
- |
- /** |
- * Compute the number of bytes that would be needed to encode a |
- * single tag/value pair of arbitrary type. |
- * |
- * @param type The field's type. |
- * @param number The field's number. |
- * @param value Object representing the field's value. Must be of the exact |
- * type which would be returned by |
- * {@link Message#getField(Descriptors.FieldDescriptor)} for |
- * this field. |
- */ |
- private static int computeElementSize( |
- final WireFormat.FieldType type, |
- final int number, final Object value) { |
- int tagSize = CodedOutputStream.computeTagSize(number); |
- if (type == WireFormat.FieldType.GROUP) { |
- tagSize *= 2; |
- } |
- return tagSize + computeElementSizeNoTag(type, value); |
- } |
- |
- /** |
- * Compute the number of bytes that would be needed to encode a |
- * particular value of arbitrary type, excluding tag. |
- * |
- * @param type The field's type. |
- * @param value Object representing the field's value. Must be of the exact |
- * type which would be returned by |
- * {@link Message#getField(Descriptors.FieldDescriptor)} for |
- * this field. |
- */ |
- private static int computeElementSizeNoTag( |
- final WireFormat.FieldType type, final Object value) { |
- switch (type) { |
- // Note: Minor violation of 80-char limit rule here because this would |
- // actually be harder to read if we wrapped the lines. |
- case DOUBLE : return CodedOutputStream.computeDoubleSizeNoTag ((Double )value); |
- case FLOAT : return CodedOutputStream.computeFloatSizeNoTag ((Float )value); |
- case INT64 : return CodedOutputStream.computeInt64SizeNoTag ((Long )value); |
- case UINT64 : return CodedOutputStream.computeUInt64SizeNoTag ((Long )value); |
- case INT32 : return CodedOutputStream.computeInt32SizeNoTag ((Integer )value); |
- case FIXED64 : return CodedOutputStream.computeFixed64SizeNoTag ((Long )value); |
- case FIXED32 : return CodedOutputStream.computeFixed32SizeNoTag ((Integer )value); |
- case BOOL : return CodedOutputStream.computeBoolSizeNoTag ((Boolean )value); |
- case STRING : return CodedOutputStream.computeStringSizeNoTag ((String )value); |
- case GROUP : return CodedOutputStream.computeGroupSizeNoTag ((MessageLite)value); |
- case BYTES : return CodedOutputStream.computeBytesSizeNoTag ((ByteString )value); |
- case UINT32 : return CodedOutputStream.computeUInt32SizeNoTag ((Integer )value); |
- case SFIXED32: return CodedOutputStream.computeSFixed32SizeNoTag((Integer )value); |
- case SFIXED64: return CodedOutputStream.computeSFixed64SizeNoTag((Long )value); |
- case SINT32 : return CodedOutputStream.computeSInt32SizeNoTag ((Integer )value); |
- case SINT64 : return CodedOutputStream.computeSInt64SizeNoTag ((Long )value); |
- |
- case MESSAGE: |
- if (value instanceof LazyField) { |
- return CodedOutputStream.computeLazyFieldSizeNoTag((LazyField) value); |
- } else { |
- return CodedOutputStream.computeMessageSizeNoTag((MessageLite) value); |
- } |
- |
- case ENUM: |
- return CodedOutputStream.computeEnumSizeNoTag( |
- ((Internal.EnumLite) value).getNumber()); |
- } |
- |
- throw new RuntimeException( |
- "There is no way to get here, but the compiler thinks otherwise."); |
- } |
- |
- /** |
- * Compute the number of bytes needed to encode a particular field. |
- */ |
- public static int computeFieldSize(final FieldDescriptorLite<?> descriptor, |
- final Object value) { |
- WireFormat.FieldType type = descriptor.getLiteType(); |
- int number = descriptor.getNumber(); |
- if (descriptor.isRepeated()) { |
- if (descriptor.isPacked()) { |
- int dataSize = 0; |
- for (final Object element : (List<?>)value) { |
- dataSize += computeElementSizeNoTag(type, element); |
- } |
- return dataSize + |
- CodedOutputStream.computeTagSize(number) + |
- CodedOutputStream.computeRawVarint32Size(dataSize); |
- } else { |
- int size = 0; |
- for (final Object element : (List<?>)value) { |
- size += computeElementSize(type, number, element); |
- } |
- return size; |
- } |
- } else { |
- return computeElementSize(type, number, value); |
- } |
- } |
-} |