aboutsummaryrefslogtreecommitdiffhomepage
path: root/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/MessageLiteToString.java
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/MessageLiteToString.java')
-rw-r--r--third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/MessageLiteToString.java239
1 files changed, 0 insertions, 239 deletions
diff --git a/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/MessageLiteToString.java b/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/MessageLiteToString.java
deleted file mode 100644
index 23373ef4cd..0000000000
--- a/third_party/protobuf/3.2.0/java/core/src/main/java/com/google/protobuf/MessageLiteToString.java
+++ /dev/null
@@ -1,239 +0,0 @@
-// 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.lang.reflect.Method;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeSet;
-
-/**
- * Helps generate {@link String} representations of {@link MessageLite} protos.
- */
-// TODO(dweis): Fix map fields.
-final class MessageLiteToString {
-
- private static final String LIST_SUFFIX = "List";
- private static final String BUILDER_LIST_SUFFIX = "OrBuilderList";
- private static final String BYTES_SUFFIX = "Bytes";
-
- /**
- * Returns a {@link String} representation of the {@link MessageLite} object. The first line of
- * the {@code String} representation representation includes a comment string to uniquely identify
- * the objcet instance. This acts as an indicator that this should not be relied on for
- * comparisons.
- *
- * <p>For use by generated code only.
- */
- static String toString(MessageLite messageLite, String commentString) {
- StringBuilder buffer = new StringBuilder();
- buffer.append("# ").append(commentString);
- reflectivePrintWithIndent(messageLite, buffer, 0);
- return buffer.toString();
- }
-
- /**
- * Reflectively prints the {@link MessageLite} to the buffer at given {@code indent} level.
- *
- * @param buffer the buffer to write to
- * @param indent the number of spaces to indent the proto by
- */
- private static void reflectivePrintWithIndent(
- MessageLite messageLite, StringBuilder buffer, int indent) {
- // Build a map of method name to method. We're looking for methods like getFoo(), hasFoo(), and
- // getFooList() which might be useful for building an object's string representation.
- Map<String, Method> nameToNoArgMethod = new HashMap<String, Method>();
- Map<String, Method> nameToMethod = new HashMap<String, Method>();
- Set<String> getters = new TreeSet<String>();
- for (Method method : messageLite.getClass().getDeclaredMethods()) {
- nameToMethod.put(method.getName(), method);
- if (method.getParameterTypes().length == 0) {
- nameToNoArgMethod.put(method.getName(), method);
-
- if (method.getName().startsWith("get")) {
- getters.add(method.getName());
- }
- }
- }
-
- for (String getter : getters) {
- String suffix = getter.replaceFirst("get", "");
- if (suffix.endsWith(LIST_SUFFIX) && !suffix.endsWith(BUILDER_LIST_SUFFIX)) {
- String camelCase = suffix.substring(0, 1).toLowerCase()
- + suffix.substring(1, suffix.length() - LIST_SUFFIX.length());
- // Try to reflectively get the value and toString() the field as if it were repeated. This
- // only works if the method names have not be proguarded out or renamed.
- Method listMethod = nameToNoArgMethod.get("get" + suffix);
- if (listMethod != null && listMethod.getReturnType().equals(List.class)) {
- printField(
- buffer,
- indent,
- camelCaseToSnakeCase(camelCase),
- GeneratedMessageLite.invokeOrDie(listMethod, messageLite));
- continue;
- }
- }
-
- Method setter = nameToMethod.get("set" + suffix);
- if (setter == null) {
- continue;
- }
- if (suffix.endsWith(BYTES_SUFFIX)
- && nameToNoArgMethod.containsKey(
- "get" + suffix.substring(0, suffix.length() - "Bytes".length()))) {
- // Heuristic to skip bytes based accessors for string fields.
- continue;
- }
-
- String camelCase = suffix.substring(0, 1).toLowerCase() + suffix.substring(1);
-
- // Try to reflectively get the value and toString() the field as if it were optional. This
- // only works if the method names have not be proguarded out or renamed.
- Method getMethod = nameToNoArgMethod.get("get" + suffix);
- Method hasMethod = nameToNoArgMethod.get("has" + suffix);
- // TODO(dweis): Fix proto3 semantics.
- if (getMethod != null) {
- Object value = GeneratedMessageLite.invokeOrDie(getMethod, messageLite);
- final boolean hasValue = hasMethod == null
- ? !isDefaultValue(value)
- : (Boolean) GeneratedMessageLite.invokeOrDie(hasMethod, messageLite);
- // TODO(dweis): This doesn't stop printing oneof case twice: value and enum style.
- if (hasValue) {
- printField(
- buffer,
- indent,
- camelCaseToSnakeCase(camelCase),
- value);
- }
- continue;
- }
- }
-
- if (messageLite instanceof GeneratedMessageLite.ExtendableMessage) {
- Iterator<Map.Entry<GeneratedMessageLite.ExtensionDescriptor, Object>> iter =
- ((GeneratedMessageLite.ExtendableMessage<?, ?>) messageLite).extensions.iterator();
- while (iter.hasNext()) {
- Map.Entry<GeneratedMessageLite.ExtensionDescriptor, Object> entry = iter.next();
- printField(buffer, indent, "[" + entry.getKey().getNumber() + "]", entry.getValue());
- }
- }
-
- if (((GeneratedMessageLite<?, ?>) messageLite).unknownFields != null) {
- ((GeneratedMessageLite<?, ?>) messageLite).unknownFields.printWithIndent(buffer, indent);
- }
- }
-
- private static boolean isDefaultValue(Object o) {
- if (o instanceof Boolean) {
- return !((Boolean) o);
- }
- if (o instanceof Integer) {
- return ((Integer) o) == 0;
- }
- if (o instanceof Float) {
- return ((Float) o) == 0f;
- }
- if (o instanceof Double) {
- return ((Double) o) == 0d;
- }
- if (o instanceof String) {
- return o.equals("");
- }
- if (o instanceof ByteString) {
- return o.equals(ByteString.EMPTY);
- }
- if (o instanceof MessageLite) { // Can happen in oneofs.
- return o == ((MessageLite) o).getDefaultInstanceForType();
- }
- if (o instanceof java.lang.Enum<?>) { // Catches oneof enums.
- return ((java.lang.Enum<?>) o).ordinal() == 0;
- }
-
- return false;
- }
-
- /**
- * Formats a text proto field.
- *
- * <p>For use by generated code only.
- *
- * @param buffer the buffer to write to
- * @param indent the number of spaces the proto should be indented by
- * @param name the field name (in lower underscore case)
- * @param object the object value of the field
- */
- static final void printField(StringBuilder buffer, int indent, String name, Object object) {
- if (object instanceof List<?>) {
- List<?> list = (List<?>) object;
- for (Object entry : list) {
- printField(buffer, indent, name, entry);
- }
- return;
- }
-
- buffer.append('\n');
- for (int i = 0; i < indent; i++) {
- buffer.append(' ');
- }
- buffer.append(name);
-
- if (object instanceof String) {
- buffer.append(": \"").append(TextFormatEscaper.escapeText((String) object)).append('"');
- } else if (object instanceof ByteString) {
- buffer.append(": \"").append(TextFormatEscaper.escapeBytes((ByteString) object)).append('"');
- } else if (object instanceof GeneratedMessageLite) {
- buffer.append(" {");
- reflectivePrintWithIndent((GeneratedMessageLite<?, ?>) object, buffer, indent + 2);
- buffer.append("\n");
- for (int i = 0; i < indent; i++) {
- buffer.append(' ');
- }
- buffer.append("}");
- } else {
- buffer.append(": ").append(object.toString());
- }
- }
-
- private static final String camelCaseToSnakeCase(String camelCase) {
- StringBuilder builder = new StringBuilder();
- for (int i = 0; i < camelCase.length(); i++) {
- char ch = camelCase.charAt(i);
- if (Character.isUpperCase(ch)) {
- builder.append("_");
- }
- builder.append(Character.toLowerCase(ch));
- }
- return builder.toString();
- }
-}