1 files changed, 30 insertions, 1 deletions
diff --git a/java/src/main/java/com/google/protobuf/InvalidProtocolBufferException.java b/java/src/main/java/com/google/protobuf/InvalidProtocolBufferException.java
index 90f7ffb..367fa23 100644
--- a/java/src/main/java/com/google/protobuf/InvalidProtocolBufferException.java
+++ b/java/src/main/java/com/google/protobuf/InvalidProtocolBufferException.java
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
+// 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
@@ -40,11 +40,32 @@ import java.io.IOException;
  */
 public class InvalidProtocolBufferException extends IOException {
   private static final long serialVersionUID = -1616151763072450476L;
+  private MessageLite unfinishedMessage = null;
 
   public InvalidProtocolBufferException(final String description) {
     super(description);
   }
 
+  /**
+   * Attaches an unfinished message to the exception to support best-effort
+   * parsing in {@code Parser} interface.
+   *
+   * @return this
+   */
+  public InvalidProtocolBufferException setUnfinishedMessage(
+      MessageLite unfinishedMessage) {
+    this.unfinishedMessage = unfinishedMessage;
+    return this;
+  }
+
+  /**
+   * Returns the unfinished message attached to the exception, or null if
+   * no message is attached.
+   */
+  public MessageLite getUnfinishedMessage() {
+    return unfinishedMessage;
+  }
+
   static InvalidProtocolBufferException truncatedMessage() {
     return new InvalidProtocolBufferException(
       "While parsing a protocol message, the input ended unexpectedly " +
@@ -90,4 +111,12 @@ public class InvalidProtocolBufferException extends IOException {
       "Protocol message was too large.  May be malicious.  " +
       "Use CodedInputStream.setSizeLimit() to increase the size limit.");
   }
+
+  static InvalidProtocolBufferException parseFailure() {
+    return new InvalidProtocolBufferException("Failed to parse the message.");
+  }
+
+  static InvalidProtocolBufferException invalidUtf8() {
+    return new InvalidProtocolBufferException("Protocol message had invalid UTF-8.");
+  }
 }