diff options
Diffstat (limited to 'java/src/main/java/com')
6 files changed, 1583 insertions, 0 deletions
diff --git a/java/src/main/java/com/google/protobuf/AbstractMessage.java b/java/src/main/java/com/google/protobuf/AbstractMessage.java new file mode 100755 index 00000000..7639efcf --- /dev/null +++ b/java/src/main/java/com/google/protobuf/AbstractMessage.java @@ -0,0 +1,646 @@ +// 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; + +import com.google.protobuf.Descriptors.EnumValueDescriptor; +import com.google.protobuf.Descriptors.FieldDescriptor; +import com.google.protobuf.Descriptors.OneofDescriptor; +import com.google.protobuf.Internal.EnumLite; + +import java.io.IOException; +import java.io.InputStream; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +/** + * A partial implementation of the {@link Message} interface which implements + * as many methods of that interface as possible in terms of other methods. + * + * @author kenton@google.com Kenton Varda + */ +public abstract class AbstractMessage + // TODO(dweis): Update GeneratedMessage to parameterize with MessageType and BuilderType. + extends AbstractMessageLite + implements Message { + + @Override + public boolean isInitialized() { + return MessageReflection.isInitialized(this); + } + + /** + * Interface for the parent of a Builder that allows the builder to + * communicate invalidations back to the parent for use when using nested + * builders. + */ + protected interface BuilderParent { + + /** + * A builder becomes dirty whenever a field is modified -- including fields + * in nested builders -- and becomes clean when build() is called. Thus, + * when a builder becomes dirty, all its parents become dirty as well, and + * when it becomes clean, all its children become clean. The dirtiness + * state is used to invalidate certain cached values. + * <br> + * To this end, a builder calls markDirty() on its parent whenever it + * transitions from clean to dirty. The parent must propagate this call to + * its own parent, unless it was already dirty, in which case the + * grandparent must necessarily already be dirty as well. The parent can + * only transition back to "clean" after calling build() on all children. + */ + void markDirty(); + } + + /** Create a nested builder. */ + protected Message.Builder newBuilderForType(BuilderParent parent) { + throw new UnsupportedOperationException("Nested builder is not supported for this type."); + } + + + @Override + public List<String> findInitializationErrors() { + return MessageReflection.findMissingFields(this); + } + + @Override + public String getInitializationErrorString() { + return MessageReflection.delimitWithCommas(findInitializationErrors()); + } + + /** TODO(jieluo): Clear it when all subclasses have implemented this method. */ + @Override + public boolean hasOneof(OneofDescriptor oneof) { + throw new UnsupportedOperationException("hasOneof() is not implemented."); + } + + /** TODO(jieluo): Clear it when all subclasses have implemented this method. */ + @Override + public FieldDescriptor getOneofFieldDescriptor(OneofDescriptor oneof) { + throw new UnsupportedOperationException( + "getOneofFieldDescriptor() is not implemented."); + } + + @Override + public final String toString() { + return TextFormat.printToString(this); + } + + @Override + public void writeTo(final CodedOutputStream output) throws IOException { + MessageReflection.writeMessageTo(this, getAllFields(), output, false); + } + + protected int memoizedSize = -1; + + @Override + public int getSerializedSize() { + int size = memoizedSize; + if (size != -1) { + return size; + } + + memoizedSize = MessageReflection.getSerializedSize(this, getAllFields()); + return memoizedSize; + } + + @Override + public boolean equals(final Object other) { + if (other == this) { + return true; + } + if (!(other instanceof Message)) { + return false; + } + final Message otherMessage = (Message) other; + if (getDescriptorForType() != otherMessage.getDescriptorForType()) { + return false; + } + return compareFields(getAllFields(), otherMessage.getAllFields()) && + getUnknownFields().equals(otherMessage.getUnknownFields()); + } + + @Override + public int hashCode() { + int hash = memoizedHashCode; + if (hash == 0) { + hash = 41; + hash = (19 * hash) + getDescriptorForType().hashCode(); + hash = hashFields(hash, getAllFields()); + hash = (29 * hash) + getUnknownFields().hashCode(); + memoizedHashCode = hash; + } + return hash; + } + + private static ByteString toByteString(Object value) { + if (value instanceof byte[]) { + return ByteString.copyFrom((byte[]) value); + } else { + return (ByteString) value; + } + } + + /** + * Compares two bytes fields. The parameters must be either a byte array or a + * ByteString object. They can be of different type though. + */ + private static boolean compareBytes(Object a, Object b) { + if (a instanceof byte[] && b instanceof byte[]) { + return Arrays.equals((byte[])a, (byte[])b); + } + return toByteString(a).equals(toByteString(b)); + } + + /** + * Converts a list of MapEntry messages into a Map used for equals() and + * hashCode(). + */ + @SuppressWarnings({"rawtypes", "unchecked"}) + private static Map convertMapEntryListToMap(List list) { + if (list.isEmpty()) { + return Collections.emptyMap(); + } + Map result = new HashMap(); + Iterator iterator = list.iterator(); + Message entry = (Message) iterator.next(); + Descriptors.Descriptor descriptor = entry.getDescriptorForType(); + Descriptors.FieldDescriptor key = descriptor.findFieldByName("key"); + Descriptors.FieldDescriptor value = descriptor.findFieldByName("value"); + Object fieldValue = entry.getField(value); + if (fieldValue instanceof EnumValueDescriptor) { + fieldValue = ((EnumValueDescriptor) fieldValue).getNumber(); + } + result.put(entry.getField(key), fieldValue); + while (iterator.hasNext()) { + entry = (Message) iterator.next(); + fieldValue = entry.getField(value); + if (fieldValue instanceof EnumValueDescriptor) { + fieldValue = ((EnumValueDescriptor) fieldValue).getNumber(); + } + result.put(entry.getField(key), fieldValue); + } + return result; + } + + /** + * Compares two map fields. The parameters must be a list of MapEntry + * messages. + */ + @SuppressWarnings({"rawtypes", "unchecked"}) + private static boolean compareMapField(Object a, Object b) { + Map ma = convertMapEntryListToMap((List) a); + Map mb = convertMapEntryListToMap((List) b); + return MapFieldLite.equals(ma, mb); + } + + /** + * Compares two set of fields. + * This method is used to implement {@link AbstractMessage#equals(Object)} + * and {@link AbstractMutableMessage#equals(Object)}. It takes special care + * of bytes fields because immutable messages and mutable messages use + * different Java type to reprensent a bytes field and this method should be + * able to compare immutable messages, mutable messages and also an immutable + * message to a mutable message. + */ + static boolean compareFields(Map<FieldDescriptor, Object> a, + Map<FieldDescriptor, Object> b) { + if (a.size() != b.size()) { + return false; + } + for (FieldDescriptor descriptor : a.keySet()) { + if (!b.containsKey(descriptor)) { + return false; + } + Object value1 = a.get(descriptor); + Object value2 = b.get(descriptor); + if (descriptor.getType() == FieldDescriptor.Type.BYTES) { + if (descriptor.isRepeated()) { + List list1 = (List) value1; + List list2 = (List) value2; + if (list1.size() != list2.size()) { + return false; + } + for (int i = 0; i < list1.size(); i++) { + if (!compareBytes(list1.get(i), list2.get(i))) { + return false; + } + } + } else { + // Compares a singular bytes field. + if (!compareBytes(value1, value2)) { + return false; + } + } + } else if (descriptor.isMapField()) { + if (!compareMapField(value1, value2)) { + return false; + } + } else { + // Compare non-bytes fields. + if (!value1.equals(value2)) { + return false; + } + } + } + return true; + } + + /** + * Calculates the hash code of a map field. {@code value} must be a list of + * MapEntry messages. + */ + @SuppressWarnings("unchecked") + private static int hashMapField(Object value) { + return MapFieldLite.calculateHashCodeForMap(convertMapEntryListToMap((List) value)); + } + + /** Get a hash code for given fields and values, using the given seed. */ + @SuppressWarnings("unchecked") + protected static int hashFields(int hash, Map<FieldDescriptor, Object> map) { + for (Map.Entry<FieldDescriptor, Object> entry : map.entrySet()) { + FieldDescriptor field = entry.getKey(); + Object value = entry.getValue(); + hash = (37 * hash) + field.getNumber(); + if (field.isMapField()) { + hash = (53 * hash) + hashMapField(value); + } else if (field.getType() != FieldDescriptor.Type.ENUM){ + hash = (53 * hash) + value.hashCode(); + } else if (field.isRepeated()) { + List<? extends EnumLite> list = (List<? extends EnumLite>) value; + hash = (53 * hash) + Internal.hashEnumList(list); + } else { + hash = (53 * hash) + Internal.hashEnum((EnumLite) value); + } + } + return hash; + } + + /** + * Package private helper method for AbstractParser to create + * UninitializedMessageException with missing field information. + */ + @Override + UninitializedMessageException newUninitializedMessageException() { + return Builder.newUninitializedMessageException(this); + } + + // ================================================================= + + /** + * A partial implementation of the {@link Message.Builder} interface which + * implements as many methods of that interface as possible in terms of + * other methods. + */ + @SuppressWarnings("unchecked") + public static abstract class Builder<BuilderType extends Builder<BuilderType>> + extends AbstractMessageLite.Builder + implements Message.Builder { + // The compiler produces an error if this is not declared explicitly. + @Override + public abstract BuilderType clone(); + + /** TODO(jieluo): Clear it when all subclasses have implemented this method. */ + @Override + public boolean hasOneof(OneofDescriptor oneof) { + throw new UnsupportedOperationException("hasOneof() is not implemented."); + } + + /** TODO(jieluo): Clear it when all subclasses have implemented this method. */ + @Override + public FieldDescriptor getOneofFieldDescriptor(OneofDescriptor oneof) { + throw new UnsupportedOperationException( + "getOneofFieldDescriptor() is not implemented."); + } + + /** TODO(jieluo): Clear it when all subclasses have implemented this method. */ + @Override + public BuilderType clearOneof(OneofDescriptor oneof) { + throw new UnsupportedOperationException("clearOneof() is not implemented."); + } + + @Override + public BuilderType clear() { + for (final Map.Entry<FieldDescriptor, Object> entry : + getAllFields().entrySet()) { + clearField(entry.getKey()); + } + return (BuilderType) this; + } + + @Override + public List<String> findInitializationErrors() { + return MessageReflection.findMissingFields(this); + } + + @Override + public String getInitializationErrorString() { + return MessageReflection.delimitWithCommas(findInitializationErrors()); + } + + @Override + protected BuilderType internalMergeFrom(AbstractMessageLite other) { + return mergeFrom((Message) other); + } + + @Override + public BuilderType mergeFrom(final Message other) { + if (other.getDescriptorForType() != getDescriptorForType()) { + throw new IllegalArgumentException( + "mergeFrom(Message) can only merge messages of the same type."); + } + + // Note: We don't attempt to verify that other's fields have valid + // types. Doing so would be a losing battle. We'd have to verify + // all sub-messages as well, and we'd have to make copies of all of + // them to insure that they don't change after verification (since + // the Message interface itself cannot enforce immutability of + // implementations). + // TODO(kenton): Provide a function somewhere called makeDeepCopy() + // which allows people to make secure deep copies of messages. + + for (final Map.Entry<FieldDescriptor, Object> entry : + other.getAllFields().entrySet()) { + final FieldDescriptor field = entry.getKey(); + if (field.isRepeated()) { + for (final Object element : (List)entry.getValue()) { + addRepeatedField(field, element); + } + } else if (field.getJavaType() == FieldDescriptor.JavaType.MESSAGE) { + final Message existingValue = (Message)getField(field); + if (existingValue == existingValue.getDefaultInstanceForType()) { + setField(field, entry.getValue()); + } else { + setField(field, + existingValue.newBuilderForType() + .mergeFrom(existingValue) + .mergeFrom((Message)entry.getValue()) + .build()); + } + } else { + setField(field, entry.getValue()); + } + } + + mergeUnknownFields(other.getUnknownFields()); + + return (BuilderType) this; + } + + @Override + public BuilderType mergeFrom(final CodedInputStream input) + throws IOException { + return mergeFrom(input, ExtensionRegistry.getEmptyRegistry()); + } + + @Override + public BuilderType mergeFrom( + final CodedInputStream input, + final ExtensionRegistryLite extensionRegistry) + throws IOException { + final UnknownFieldSet.Builder unknownFields = + UnknownFieldSet.newBuilder(getUnknownFields()); + while (true) { + final int tag = input.readTag(); + if (tag == 0) { + break; + } + + MessageReflection.BuilderAdapter builderAdapter = + new MessageReflection.BuilderAdapter(this); + if (!MessageReflection.mergeFieldFrom(input, unknownFields, + extensionRegistry, + getDescriptorForType(), + builderAdapter, + tag)) { + // end group tag + break; + } + } + setUnknownFields(unknownFields.build()); + return (BuilderType) this; + } + + @Override + public BuilderType mergeUnknownFields(final UnknownFieldSet unknownFields) { + setUnknownFields( + UnknownFieldSet.newBuilder(getUnknownFields()) + .mergeFrom(unknownFields) + .build()); + return (BuilderType) this; + } + + @Override + public Message.Builder getFieldBuilder(final FieldDescriptor field) { + throw new UnsupportedOperationException( + "getFieldBuilder() called on an unsupported message type."); + } + + @Override + public Message.Builder getRepeatedFieldBuilder(final FieldDescriptor field, int index) { + throw new UnsupportedOperationException( + "getRepeatedFieldBuilder() called on an unsupported message type."); + } + + @Override + public String toString() { + return TextFormat.printToString(this); + } + + /** + * Construct an UninitializedMessageException reporting missing fields in + * the given message. + */ + protected static UninitializedMessageException + newUninitializedMessageException(Message message) { + return new UninitializedMessageException( + MessageReflection.findMissingFields(message)); + } + + /** + * Used to support nested builders and called to mark this builder as clean. + * Clean builders will propagate the {@link BuilderParent#markDirty()} event + * to their parent builders, while dirty builders will not, as their parents + * should be dirty already. + * + * NOTE: Implementations that don't support nested builders don't need to + * override this method. + */ + void markClean() { + throw new IllegalStateException("Should be overridden by subclasses."); + } + + /** + * Used to support nested builders and called when this nested builder is + * no longer used by its parent builder and should release the reference + * to its parent builder. + * + * NOTE: Implementations that don't support nested builders don't need to + * override this method. + */ + void dispose() { + throw new IllegalStateException("Should be overridden by subclasses."); + } + + // =============================================================== + // The following definitions seem to be required in order to make javac + // not produce weird errors like: + // + // java/com/google/protobuf/DynamicMessage.java:203: types + // com.google.protobuf.AbstractMessage.Builder< + // com.google.protobuf.DynamicMessage.Builder> and + // com.google.protobuf.AbstractMessage.Builder< + // com.google.protobuf.DynamicMessage.Builder> are incompatible; both + // define mergeFrom(com.google.protobuf.ByteString), but with unrelated + // return types. + // + // Strangely, these lines are only needed if javac is invoked separately + // on AbstractMessage.java and AbstractMessageLite.java. If javac is + // invoked on both simultaneously, it works. (Or maybe the important + // point is whether or not DynamicMessage.java is compiled together with + // AbstractMessageLite.java -- not sure.) I suspect this is a compiler + // bug. + + @Override + public BuilderType mergeFrom(final ByteString data) + throws InvalidProtocolBufferException { + return (BuilderType) super.mergeFrom(data); + } + + @Override + public BuilderType mergeFrom( + final ByteString data, + final ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return (BuilderType) super.mergeFrom(data, extensionRegistry); + } + + @Override + public BuilderType mergeFrom(final byte[] data) + throws InvalidProtocolBufferException { + return (BuilderType) super.mergeFrom(data); + } + + @Override + public BuilderType mergeFrom( + final byte[] data, final int off, final int len) + throws InvalidProtocolBufferException { + return (BuilderType) super.mergeFrom(data, off, len); + } + + @Override + public BuilderType mergeFrom( + final byte[] data, + final ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return (BuilderType) super.mergeFrom(data, extensionRegistry); + } + + @Override + public BuilderType mergeFrom( + final byte[] data, final int off, final int len, + final ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return (BuilderType) super.mergeFrom(data, off, len, extensionRegistry); + } + + @Override + public BuilderType mergeFrom(final InputStream input) + throws IOException { + return (BuilderType) super.mergeFrom(input); + } + + @Override + public BuilderType mergeFrom( + final InputStream input, + final ExtensionRegistryLite extensionRegistry) + throws IOException { + return (BuilderType) super.mergeFrom(input, extensionRegistry); + } + + @Override + public boolean mergeDelimitedFrom(final InputStream input) + throws IOException { + return super.mergeDelimitedFrom(input); + } + + @Override + public boolean mergeDelimitedFrom( + final InputStream input, + final ExtensionRegistryLite extensionRegistry) + throws IOException { + return super.mergeDelimitedFrom(input, extensionRegistry); + } + } + + /** + * @deprecated from v3.0.0-beta-3+, for compatibility with v2.5.0 and v2.6.1 + * generated code. + */ + @Deprecated + protected static int hashLong(long n) { + return (int) (n ^ (n >>> 32)); + } + // + /** + * @deprecated from v3.0.0-beta-3+, for compatibility with v2.5.0 and v2.6.1 + * generated code. + */ + @Deprecated + protected static int hashBoolean(boolean b) { + return b ? 1231 : 1237; + } + // + /** + * @deprecated from v3.0.0-beta-3+, for compatibility with v2.5.0 and v2.6.1 + * generated code. + */ + @Deprecated + protected static int hashEnum(EnumLite e) { + return e.getNumber(); + } + // + /** + * @deprecated from v3.0.0-beta-3+, for compatibility with v2.5.0 and v2.6.1 + * generated code. + */ + @Deprecated + protected static int hashEnumList(List<? extends EnumLite> list) { + int hash = 1; + for (EnumLite e : list) { + hash = 31 * hash + hashEnum(e); + } + return hash; + } +} diff --git a/java/src/main/java/com/google/protobuf/AbstractMessageLite.java b/java/src/main/java/com/google/protobuf/AbstractMessageLite.java new file mode 100755 index 00000000..046030f3 --- /dev/null +++ b/java/src/main/java/com/google/protobuf/AbstractMessageLite.java @@ -0,0 +1,384 @@ +// 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; + +import java.io.FilterInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.util.Collection; + +/** + * A partial implementation of the {@link MessageLite} interface which + * implements as many methods of that interface as possible in terms of other + * methods. + * + * @author kenton@google.com Kenton Varda + */ +public abstract class AbstractMessageLite< + MessageType extends AbstractMessageLite<MessageType, BuilderType>, + BuilderType extends AbstractMessageLite.Builder<MessageType, BuilderType>> + implements MessageLite { + protected int memoizedHashCode = 0; + + @Override + public ByteString toByteString() { + try { + final ByteString.CodedBuilder out = + ByteString.newCodedBuilder(getSerializedSize()); + writeTo(out.getCodedOutput()); + return out.build(); + } catch (IOException e) { + throw new RuntimeException(getSerializingExceptionMessage("ByteString"), e); + } + } + + @Override + public byte[] toByteArray() { + try { + final byte[] result = new byte[getSerializedSize()]; + final CodedOutputStream output = CodedOutputStream.newInstance(result); + writeTo(output); + output.checkNoSpaceLeft(); + return result; + } catch (IOException e) { + throw new RuntimeException(getSerializingExceptionMessage("byte array"), e); + } + } + + @Override + public void writeTo(final OutputStream output) throws IOException { + final int bufferSize = + CodedOutputStream.computePreferredBufferSize(getSerializedSize()); + final CodedOutputStream codedOutput = + CodedOutputStream.newInstance(output, bufferSize); + writeTo(codedOutput); + codedOutput.flush(); + } + + @Override + public void writeDelimitedTo(final OutputStream output) throws IOException { + final int serialized = getSerializedSize(); + final int bufferSize = CodedOutputStream.computePreferredBufferSize( + CodedOutputStream.computeRawVarint32Size(serialized) + serialized); + final CodedOutputStream codedOutput = + CodedOutputStream.newInstance(output, bufferSize); + codedOutput.writeRawVarint32(serialized); + writeTo(codedOutput); + codedOutput.flush(); + } + + + /** + * Package private helper method for AbstractParser to create + * UninitializedMessageException. + */ + UninitializedMessageException newUninitializedMessageException() { + return new UninitializedMessageException(this); + } + + private String getSerializingExceptionMessage(String target) { + return "Serializing " + getClass().getName() + " to a " + target + + " threw an IOException (should never happen)."; + } + + protected static void checkByteStringIsUtf8(ByteString byteString) + throws IllegalArgumentException { + if (!byteString.isValidUtf8()) { + throw new IllegalArgumentException("Byte string is not UTF-8."); + } + } + + protected static <T> void addAll(final Iterable<T> values, + final Collection<? super T> list) { + Builder.addAll(values, list); + } + + /** + * A partial implementation of the {@link Message.Builder} interface which + * implements as many methods of that interface as possible in terms of + * other methods. + */ + @SuppressWarnings("unchecked") + public abstract static class Builder< + MessageType extends AbstractMessageLite<MessageType, BuilderType>, + BuilderType extends Builder<MessageType, BuilderType>> + implements MessageLite.Builder { + // The compiler produces an error if this is not declared explicitly. + @Override + public abstract BuilderType clone(); + + @Override + public BuilderType mergeFrom(final CodedInputStream input) throws IOException { + return mergeFrom(input, ExtensionRegistryLite.getEmptyRegistry()); + } + + // Re-defined here for return type covariance. + @Override + public abstract BuilderType mergeFrom( + final CodedInputStream input, final ExtensionRegistryLite extensionRegistry) + throws IOException; + + @Override + public BuilderType mergeFrom(final ByteString data) throws InvalidProtocolBufferException { + try { + final CodedInputStream input = data.newCodedInput(); + mergeFrom(input); + input.checkLastTagWas(0); + return (BuilderType) this; + } catch (InvalidProtocolBufferException e) { + throw e; + } catch (IOException e) { + throw new RuntimeException(getReadingExceptionMessage("ByteString"), e); + } + } + + @Override + public BuilderType mergeFrom( + final ByteString data, final ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + try { + final CodedInputStream input = data.newCodedInput(); + mergeFrom(input, extensionRegistry); + input.checkLastTagWas(0); + return (BuilderType) this; + } catch (InvalidProtocolBufferException e) { + throw e; + } catch (IOException e) { + throw new RuntimeException(getReadingExceptionMessage("ByteString"), e); + } + } + + @Override + public BuilderType mergeFrom(final byte[] data) throws InvalidProtocolBufferException { + return mergeFrom(data, 0, data.length); + } + + @Override + public BuilderType mergeFrom(final byte[] data, final int off, final int len) + throws InvalidProtocolBufferException { + try { + final CodedInputStream input = + CodedInputStream.newInstance(data, off, len); + mergeFrom(input); + input.checkLastTagWas(0); + return (BuilderType) this; + } catch (InvalidProtocolBufferException e) { + throw e; + } catch (IOException e) { + throw new RuntimeException(getReadingExceptionMessage("byte array"), e); + } + } + + @Override + public BuilderType mergeFrom(final byte[] data, final ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return mergeFrom(data, 0, data.length, extensionRegistry); + } + + @Override + public BuilderType mergeFrom( + final byte[] data, + final int off, + final int len, + final ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + try { + final CodedInputStream input = + CodedInputStream.newInstance(data, off, len); + mergeFrom(input, extensionRegistry); + input.checkLastTagWas(0); + return (BuilderType) this; + } catch (InvalidProtocolBufferException e) { + throw e; + } catch (IOException e) { + throw new RuntimeException(getReadingExceptionMessage("byte array"), e); + } + } + + @Override + public BuilderType mergeFrom(final InputStream input) throws IOException { + final CodedInputStream codedInput = CodedInputStream.newInstance(input); + mergeFrom(codedInput); + codedInput.checkLastTagWas(0); + return (BuilderType) this; + } + + @Override + public BuilderType mergeFrom( + final InputStream input, final ExtensionRegistryLite extensionRegistry) throws IOException { + final CodedInputStream codedInput = CodedInputStream.newInstance(input); + mergeFrom(codedInput, extensionRegistry); + codedInput.checkLastTagWas(0); + return (BuilderType) this; + } + + /** + * An InputStream implementations which reads from some other InputStream + * but is limited to a particular number of bytes. Used by + * mergeDelimitedFrom(). This is intentionally package-private so that + * UnknownFieldSet can share it. + */ + static final class LimitedInputStream extends FilterInputStream { + private int limit; + + LimitedInputStream(InputStream in, int limit) { + super(in); + this.limit = limit; + } + + @Override + public int available() throws IOException { + return Math.min(super.available(), limit); + } + + @Override + public int read() throws IOException { + if (limit <= 0) { + return -1; + } + final int result = super.read(); + if (result >= 0) { + --limit; + } + return result; + } + + @Override + public int read(final byte[] b, final int off, int len) + throws IOException { + if (limit <= 0) { + return -1; + } + len = Math.min(len, limit); + final int result = super.read(b, off, len); + if (result >= 0) { + limit -= result; + } + return result; + } + + @Override + public long skip(final long n) throws IOException { + final long result = super.skip(Math.min(n, limit)); + if (result >= 0) { + limit -= result; + } + return result; + } + } + + @Override + public boolean mergeDelimitedFrom( + final InputStream input, final ExtensionRegistryLite extensionRegistry) throws IOException { + final int firstByte = input.read(); + if (firstByte == -1) { + return false; + } + final int size = CodedInputStream.readRawVarint32(firstByte, input); + final InputStream limitedInput = new LimitedInputStream(input, size); + mergeFrom(limitedInput, extensionRegistry); + return true; + } + + @Override + public boolean mergeDelimitedFrom(final InputStream input) throws IOException { + return mergeDelimitedFrom(input, + ExtensionRegistryLite.getEmptyRegistry()); + } + + @Override + @SuppressWarnings("unchecked") // isInstance takes care of this + public BuilderType mergeFrom(final MessageLite other) { + if (!getDefaultInstanceForType().getClass().isInstance(other)) { + throw new IllegalArgumentException( + "mergeFrom(MessageLite) can only merge messages of the same type."); + } + + return internalMergeFrom((MessageType) other); + } + + protected abstract BuilderType internalMergeFrom(MessageType message); + + private String getReadingExceptionMessage(String target) { + return "Reading " + getClass().getName() + " from a " + target + + " threw an IOException (should never happen)."; + } + + /** + * Construct an UninitializedMessageException reporting missing fields in + * the given message. + */ + protected static UninitializedMessageException + newUninitializedMessageException(MessageLite message) { + return new UninitializedMessageException(message); + } + + /** + * Adds the {@code values} to the {@code list}. This is a helper method + * used by generated code. Users should ignore it. + * + * @throws NullPointerException if {@code values} or any of the elements of + * {@code values} is null. When that happens, some elements of + * {@code values} may have already been added to the result {@code list}. + */ + protected static <T> void addAll(final Iterable<T> values, + final Collection<? super T> list) { + if (values == null) { + throw new NullPointerException(); + } + if (values instanceof LazyStringList) { + // For StringOrByteStringLists, check the underlying elements to avoid + // forcing conversions of ByteStrings to Strings. + checkForNullValues(((LazyStringList) values).getUnderlyingElements()); + list.addAll((Collection<T>) values); + } else if (values instanceof Collection) { + checkForNullValues(values); + list.addAll((Collection<T>) values); + } else { + for (final T value : values) { + if (value == null) { + throw new NullPointerException(); + } + list.add(value); + } + } + } + + private static void checkForNullValues(final Iterable<?> values) { + for (final Object value : values) { + if (value == null) { + throw new NullPointerException(); + } + } + } + } +} diff --git a/java/src/main/java/com/google/protobuf/AbstractParser.java b/java/src/main/java/com/google/protobuf/AbstractParser.java new file mode 100755 index 00000000..66b0ee3b --- /dev/null +++ b/java/src/main/java/com/google/protobuf/AbstractParser.java @@ -0,0 +1,258 @@ +// 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; + +import com.google.protobuf.AbstractMessageLite.Builder.LimitedInputStream; + +import java.io.IOException; +import java.io.InputStream; + +/** + * A partial implementation of the {@link Parser} interface which implements + * as many methods of that interface as possible in terms of other methods. + * + * Note: This class implements all the convenience methods in the + * {@link Parser} interface. See {@link Parser} for related javadocs. + * Subclasses need to implement + * {@link Parser#parsePartialFrom(CodedInputStream, ExtensionRegistryLite)} + * + * @author liujisi@google.com (Pherl Liu) + */ +public abstract class AbstractParser<MessageType extends MessageLite> + implements Parser<MessageType> { + /** + * Creates an UninitializedMessageException for MessageType. + */ + private UninitializedMessageException + newUninitializedMessageException(MessageType message) { + if (message instanceof AbstractMessageLite) { + return ((AbstractMessageLite) message).newUninitializedMessageException(); + } + return new UninitializedMessageException(message); + } + + /** + * Helper method to check if message is initialized. + * + * @throws InvalidProtocolBufferException if it is not initialized. + * @return The message to check. + */ + private MessageType checkMessageInitialized(MessageType message) + throws InvalidProtocolBufferException { + if (message != null && !message.isInitialized()) { + throw newUninitializedMessageException(message) + .asInvalidProtocolBufferException() + .setUnfinishedMessage(message); + } + return message; + } + + private static final ExtensionRegistryLite EMPTY_REGISTRY + = ExtensionRegistryLite.getEmptyRegistry(); + + @Override + public MessageType parsePartialFrom(CodedInputStream input) + throws InvalidProtocolBufferException { + return parsePartialFrom(input, EMPTY_REGISTRY); + } + + @Override + public MessageType parseFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return checkMessageInitialized( + parsePartialFrom(input, extensionRegistry)); + } + + @Override + public MessageType parseFrom(CodedInputStream input) throws InvalidProtocolBufferException { + return parseFrom(input, EMPTY_REGISTRY); + } + + @Override + public MessageType parsePartialFrom(ByteString data, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + MessageType message; + try { + CodedInputStream input = data.newCodedInput(); + message = parsePartialFrom(input, extensionRegistry); + try { + input.checkLastTagWas(0); + } catch (InvalidProtocolBufferException e) { + throw e.setUnfinishedMessage(message); + } + return message; + } catch (InvalidProtocolBufferException e) { + throw e; + } + } + + @Override + public MessageType parsePartialFrom(ByteString data) throws InvalidProtocolBufferException { + return parsePartialFrom(data, EMPTY_REGISTRY); + } + + @Override + public MessageType parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return checkMessageInitialized(parsePartialFrom(data, extensionRegistry)); + } + + @Override + public MessageType parseFrom(ByteString data) throws InvalidProtocolBufferException { + return parseFrom(data, EMPTY_REGISTRY); + } + + @Override + public MessageType parsePartialFrom( + byte[] data, int off, int len, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + try { + CodedInputStream input = CodedInputStream.newInstance(data, off, len); + MessageType message = parsePartialFrom(input, extensionRegistry); + try { + input.checkLastTagWas(0); + } catch (InvalidProtocolBufferException e) { + throw e.setUnfinishedMessage(message); + } + return message; + } catch (InvalidProtocolBufferException e) { + throw e; + } + } + + @Override + public MessageType parsePartialFrom(byte[] data, int off, int len) + throws InvalidProtocolBufferException { + return parsePartialFrom(data, off, len, EMPTY_REGISTRY); + } + + @Override + public MessageType parsePartialFrom(byte[] data, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return parsePartialFrom(data, 0, data.length, extensionRegistry); + } + + @Override + public MessageType parsePartialFrom(byte[] data) throws InvalidProtocolBufferException { + return parsePartialFrom(data, 0, data.length, EMPTY_REGISTRY); + } + + @Override + public MessageType parseFrom( + byte[] data, int off, int len, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return checkMessageInitialized( + parsePartialFrom(data, off, len, extensionRegistry)); + } + + @Override + public MessageType parseFrom(byte[] data, int off, int len) + throws InvalidProtocolBufferException { + return parseFrom(data, off, len, EMPTY_REGISTRY); + } + + @Override + public MessageType parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return parseFrom(data, 0, data.length, extensionRegistry); + } + + @Override + public MessageType parseFrom(byte[] data) throws InvalidProtocolBufferException { + return parseFrom(data, EMPTY_REGISTRY); + } + + @Override + public MessageType parsePartialFrom(InputStream input, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + CodedInputStream codedInput = CodedInputStream.newInstance(input); + MessageType message = parsePartialFrom(codedInput, extensionRegistry); + try { + codedInput.checkLastTagWas(0); + } catch (InvalidProtocolBufferException e) { + throw e.setUnfinishedMessage(message); + } + return message; + } + + @Override + public MessageType parsePartialFrom(InputStream input) throws InvalidProtocolBufferException { + return parsePartialFrom(input, EMPTY_REGISTRY); + } + + @Override + public MessageType parseFrom(InputStream input, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return checkMessageInitialized( + parsePartialFrom(input, extensionRegistry)); + } + + @Override + public MessageType parseFrom(InputStream input) throws InvalidProtocolBufferException { + return parseFrom(input, EMPTY_REGISTRY); + } + + @Override + public MessageType parsePartialDelimitedFrom( + InputStream input, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + int size; + try { + int firstByte = input.read(); + if (firstByte == -1) { + return null; + } + size = CodedInputStream.readRawVarint32(firstByte, input); + } catch (IOException e) { + throw new InvalidProtocolBufferException(e.getMessage()); + } + InputStream limitedInput = new LimitedInputStream(input, size); + return parsePartialFrom(limitedInput, extensionRegistry); + } + + @Override + public MessageType parsePartialDelimitedFrom(InputStream input) + throws InvalidProtocolBufferException { + return parsePartialDelimitedFrom(input, EMPTY_REGISTRY); + } + + @Override + public MessageType parseDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry) + throws InvalidProtocolBufferException { + return checkMessageInitialized( + parsePartialDelimitedFrom(input, extensionRegistry)); + } + + @Override + public MessageType parseDelimitedFrom(InputStream input) throws InvalidProtocolBufferException { + return parseDelimitedFrom(input, EMPTY_REGISTRY); + } +} diff --git a/java/src/main/java/com/google/protobuf/AbstractProtobufList.java b/java/src/main/java/com/google/protobuf/AbstractProtobufList.java new file mode 100755 index 00000000..b17db6e0 --- /dev/null +++ b/java/src/main/java/com/google/protobuf/AbstractProtobufList.java @@ -0,0 +1,180 @@ +// 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; + +import com.google.protobuf.Internal.ProtobufList; + +import java.util.AbstractList; +import java.util.Collection; +import java.util.List; +import java.util.RandomAccess; + +/** + * An abstract implementation of {@link ProtobufList} which manages mutability semantics. All mutate + * methods must check if the list is mutable before proceeding. Subclasses must invoke + * {@link #ensureIsMutable()} manually when overriding those methods. + * <p> + * This implementation assumes all subclasses are array based, supporting random access. + */ +abstract class AbstractProtobufList<E> extends AbstractList<E> implements ProtobufList<E> { + + protected static final int DEFAULT_CAPACITY = 10; + + /** + * Whether or not this list is modifiable. + */ + private boolean isMutable; + + /** + * Constructs a mutable list by default. + */ + AbstractProtobufList() { + isMutable = true; + } + + @Override + public boolean equals(Object o) { + if (o == this) { + return true; + } + if (!(o instanceof List)) { + return false; + } + // Handle lists that do not support RandomAccess as efficiently as possible by using an iterator + // based approach in our super class. Otherwise our index based approach will avoid those + // allocations. + if (!(o instanceof RandomAccess)) { + return super.equals(o); + } + + List<?> other = (List<?>) o; + final int size = size(); + if (size != other.size()) { + return false; + } + for (int i = 0; i < size; i++) { + if (!get(i).equals(other.get(i))) { + return false; + } + } + return true; + } + + @Override + public int hashCode() { + final int size = size(); + int hashCode = 1; + for (int i = 0; i < size; i++) { + hashCode = (31 * hashCode) + get(i).hashCode(); + } + return hashCode; + } + + @Override + public boolean add(E e) { + ensureIsMutable(); + return super.add(e); + } + + @Override + public void add(int index, E element) { + ensureIsMutable(); + super.add(index, element); + } + + @Override + public boolean addAll(Collection<? extends E> c) { + ensureIsMutable(); + return super.addAll(c); + } + + @Override + public boolean addAll(int index, Collection<? extends E> c) { + ensureIsMutable(); + return super.addAll(index, c); + } + + @Override + public void clear() { + ensureIsMutable(); + super.clear(); + } + + @Override + public boolean isModifiable() { + return isMutable; + } + + @Override + public final void makeImmutable() { + isMutable = false; + } + + @Override + public E remove(int index) { + ensureIsMutable(); + return super.remove(index); + } + + @Override + public boolean remove(Object o) { + ensureIsMutable(); + return super.remove(o); + } + + @Override + public boolean removeAll(Collection<?> c) { + ensureIsMutable(); + return super.removeAll(c); + } + + @Override + public boolean retainAll(Collection<?> c) { + ensureIsMutable(); + return super.retainAll(c); + } + + @Override + public E set(int index, E element) { + ensureIsMutable(); + return super.set(index, element); + } + + /** + * Throws an {@link UnsupportedOperationException} if the list is immutable. Subclasses are + * responsible for invoking this method on mutate operations. + */ + protected void ensureIsMutable() { + if (!isMutable) { + throw new UnsupportedOperationException(); + } + } +} diff --git a/java/src/main/java/com/google/protobuf/BlockingRpcChannel.java b/java/src/main/java/com/google/protobuf/BlockingRpcChannel.java new file mode 100755 index 00000000..d535efb9 --- /dev/null +++ b/java/src/main/java/com/google/protobuf/BlockingRpcChannel.java @@ -0,0 +1,51 @@ +// 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; + +/** + * <p>Abstract interface for a blocking RPC channel. {@code BlockingRpcChannel} + * is the blocking equivalent to {@link RpcChannel}. + * + * @author kenton@google.com Kenton Varda + * @author cpovirk@google.com Chris Povirk + */ +public interface BlockingRpcChannel { + /** + * Call the given method of the remote service and blocks until it returns. + * {@code callBlockingMethod()} is the blocking equivalent to + * {@link RpcChannel#callMethod}. + */ + Message callBlockingMethod( + Descriptors.MethodDescriptor method, + RpcController controller, + Message request, + Message responsePrototype) throws ServiceException; +} diff --git a/java/src/main/java/com/google/protobuf/BlockingService.java b/java/src/main/java/com/google/protobuf/BlockingService.java new file mode 100755 index 00000000..d01f0b8f --- /dev/null +++ b/java/src/main/java/com/google/protobuf/BlockingService.java @@ -0,0 +1,64 @@ +// 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; + +/** + * Blocking equivalent to {@link Service}. + * + * @author kenton@google.com Kenton Varda + * @author cpovirk@google.com Chris Povirk + */ +public interface BlockingService { + /** + * Equivalent to {@link Service#getDescriptorForType}. + */ + Descriptors.ServiceDescriptor getDescriptorForType(); + + /** + * Equivalent to {@link Service#callMethod}, except that + * {@code callBlockingMethod()} returns the result of the RPC or throws a + * {@link ServiceException} if there is a failure, rather than passing the + * information to a callback. + */ + Message callBlockingMethod(Descriptors.MethodDescriptor method, + RpcController controller, + Message request) throws ServiceException; + + /** + * Equivalent to {@link Service#getRequestPrototype}. + */ + Message getRequestPrototype(Descriptors.MethodDescriptor method); + + /** + * Equivalent to {@link Service#getResponsePrototype}. + */ + Message getResponsePrototype(Descriptors.MethodDescriptor method); +} |