1 files changed, 0 insertions, 285 deletions
diff --git a/src/com/google/common/io/protocol/ProtoBufUtil.java b/src/com/google/common/io/protocol/ProtoBufUtil.java
deleted file mode 100644
index a14bef6e..00000000
--- a/src/com/google/common/io/protocol/ProtoBufUtil.java
+++ /dev/null
@@ -1,285 +0,0 @@
-// Copyright 2008 Google Inc. All Rights Reserved.
-
-package com.google.common.io.protocol;
-
-import java.io.*;
-
-/**
- * Utility functions for dealing with ProtoBuf objects consolidated from
- * previous spot implementations across the codebase.
- *
- */
-public final class ProtoBufUtil {
-  private ProtoBufUtil() {
-  }
-
-  /** Convenience method to return a string value from of a proto or "". */
-  public static String getProtoValueOrEmpty(ProtoBuf proto, int tag) {
-    try {
-      return (proto != null && proto.has(tag)) ? proto.getString(tag) : "";
-    } catch (ClassCastException e) {
-      return "";
-    }
-  }
-
-  /** Convenience method to return a string value from of a sub-proto or "". */
-  public static String getSubProtoValueOrEmpty(
-      ProtoBuf proto, int sub, int tag) {
-    try {
-      return getProtoValueOrEmpty(getSubProtoOrNull(proto, sub), tag);
-    } catch (ClassCastException e) {
-      return "";
-    }
-  }
-
-  /** Convenience method to get a subproto if the proto has it. */
-  public static ProtoBuf getSubProtoOrNull(ProtoBuf proto, int sub) {
-    return (proto != null && proto.has(sub)) ? proto.getProtoBuf(sub) : null;
-  }
-
-  /**
-   * Get an int with "tag" from the proto buffer. If the given field can't be
-   * retrieved, return the provided default value.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   *        retrieve.
-   * @param defaultValue The value to return if the field can't be retrieved.
-   * @return The result which should be an integer.
-   */
-  public static int getProtoValueOrDefault(ProtoBuf proto, int tag,
-      int defaultValue) {
-    try {
-      return (proto != null && proto.has(tag))
-          ? proto.getInt(tag) : defaultValue;
-    } catch (IllegalArgumentException e) {
-      return defaultValue;
-    } catch (ClassCastException e) {
-      return defaultValue;
-    }
-  }
-
-  /**
-   * Get an Int with "tag" from the proto buffer.
-   * If the given field can't be retrieved, return 0.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * retrieve.
-   * @return The result which should be an integer.
-   */
-  public static int getProtoValueOrZero(ProtoBuf proto, int tag) {
-    return getProtoValueOrDefault(proto, tag, 0);
-  }
-
-  /**
-   * Get an Long with "tag" from the proto buffer.
-   * If the given field can't be retrieved, return 0.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * retrieve.
-   * @return The result which should be an integer.
-   */
-  public static long getProtoLongValueOrZero(ProtoBuf proto, int tag) {
-    try {
-      return (proto != null && proto.has(tag)) ? proto.getLong(tag) : 0L;
-    } catch (IllegalArgumentException e) {
-      return 0L;
-    } catch (ClassCastException e) {
-      return 0L;
-    }
-  }
-
-  /**
-   * Get an Int with "tag" from the proto buffer.
-   * If the given field can't be retrieved, return -1.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * retrieve.
-   * @return The result which should be a long.
-   */
-  public static long getProtoValueOrNegativeOne(ProtoBuf proto, int tag) {
-    try {
-      return (proto != null && proto.has(tag)) ? proto.getLong(tag) : -1;
-    } catch (IllegalArgumentException e) {
-      return -1;
-    } catch (ClassCastException e) {
-      return -1;
-    }
-  }
-
-  /**
-   * Returns an input stream for reading protocol buffer
-   * responses. This method reads a 32-bit signed integer from the
-   * stream, which determines the data size and compression. If the
-   * integer is negative, indicating a GZipped input stream which we
-   * do not support, an exception is thrown. Otherwise, just a
-   * BoundInputStream is returned. The input stream returned is always
-   * limited to the data available.
-   *
-   * @param dataInput the data input to read from
-   * @return an input stream, limited to the data size read from the stream
-   * @throws IOException if the incoming stream is gzipped.
-   */
-  public static InputStream getInputStreamForProtoBufResponse(
-      DataInput dataInput) throws IOException {
-
-    int size = dataInput.readInt();
-    InputStream is = new BoundInputStream((InputStream) dataInput,
-        Math.abs(size));
-
-    if (size < 0) {
-        throw new IOException("Cannot read gzipped streams");
-    }
-    return is;
-  }
-
-  /**
-   * Reads a single protocol buffer from the given input stream. This method is
-   * provided where the client needs incremental access to the contents of a
-   * protocol buffer which contains a sequence of protocol buffers.
-   * <p />
-   * Please use {@link #getInputStreamForProtoBufResponse} to obtain an input
-   * stream suitable for this method.
-   *
-   * @param umbrellaType the type of the "outer" protocol buffer containing
-   *                    the message to read
-   * @param is the stream to read the protocol buffer from
-   * @param result the result protocol buffer (must be empty, will be filled
-   *               with the data read and the type will be set)
-   * @return the tag id of the message, -1 at the end of the stream
-   */
-  public static int readNextProtoBuf(ProtoBufType umbrellaType,
-      InputStream is, ProtoBuf result) throws IOException {
-    long tagAndType = ProtoBuf.readVarInt(is, true /* permits EOF */);
-    if (tagAndType == -1) {
-      return -1;
-    }
-
-    if ((tagAndType & 7) != ProtoBuf.WIRETYPE_LENGTH_DELIMITED) {
-      throw new IOException("Message expected");
-    }
-    int tag = (int) (tagAndType >>> 3);
-
-    result.setType((ProtoBufType) umbrellaType.getData(tag));
-    int length = (int) ProtoBuf.readVarInt(is, false);
-    result.parse(is, length);
-    return tag;
-  }
-
-  /**
-   * Reads a size int and a protocol buffer from a DataInput. If the size
-   * is negative, this is interpreted as an indicator that the protocol buffer
-   * is packed with GZIP. In this case, -size bytes are read, and the data is
-   * unpacked with GZIP before constructing the protocol buffer.
-   *
-   * @param protoBufType the protocol buffer type to read
-   * @param dataInput the data input to read from
-   * @return a protocol buffer of the given type
-   * @throws IOException
-   */
-  public static ProtoBuf readProtoBufResponse(ProtoBufType protoBufType,
-      DataInput dataInput) throws IOException {
-    ProtoBuf response = new ProtoBuf(protoBufType);
-    InputStream is = getInputStreamForProtoBufResponse(dataInput);
-    response.parse(is);
-    if (is.read() != -1) {
-      throw new IOException();
-    }
-    return response;
-  }
-
-  /**
-   * A wrapper for <code> getProtoValueOrNegativeOne </code> that drills into
-   * a sub message returning the long value if it exists, returning -1 if it
-   * does not.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * retrieve.
-   * @param sub The sub tag value that identifies which protocol buffer
-   * sub-field to retrieve.n
-   * @return The result which should be a long.
-   */
-  public static long getSubProtoValueOrNegativeOne(
-      ProtoBuf proto, int sub, int tag) {
-    try {
-      return getProtoValueOrNegativeOne(getSubProtoOrNull(proto, sub), tag);
-    } catch (IllegalArgumentException e) {
-      return -1;
-    } catch (ClassCastException e) {
-      return -1;
-    }
-  }
-
-  /**
-   * A wrapper for {@link #getProtoValueOrDefault(ProtoBuf, int, int)} that
-   * drills into a sub message returning the int value if it exists, returning
-   * the given default if it does not.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * retrieve.
-   * @param sub The sub tag value that identifies which protocol buffer
-   * sub-field to retrieve.
-   * @param defaultValue The value to return if the field is not present.
-   * @return The result which should be a long.
-   */
-  public static int getSubProtoValueOrDefault(ProtoBuf proto, int sub, int tag,
-      int defaultValue) {
-    try {
-      return getProtoValueOrDefault(getSubProtoOrNull(proto, sub), tag,
-          defaultValue);
-    } catch (IllegalArgumentException e) {
-      return defaultValue;
-    } catch (ClassCastException e) {
-      return defaultValue;
-    }
-  }
-
-  /**
-   * Creates a sub ProtoBuf of the given Protobuf and sets it.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * create.
-   * @return the sub ProtoBuf generated.
-   */
-  public static ProtoBuf createProtoBuf(ProtoBuf proto, int tag) {
-    ProtoBuf child = proto.createGroup(tag);
-    proto.setProtoBuf(tag, child);
-    return child;
-  }
-
-  /**
-   * Creates a sub ProtoBuf of the given Protobuf and adds it.
-   *
-   * @param proto The proto buffer.
-   * @param tag The tag value that identifies which protocol buffer field to
-   * add.
-   * @return the sub ProtoBuf generated.
-   */
-  public static ProtoBuf addProtoBuf(ProtoBuf proto, int tag) {
-    ProtoBuf child = proto.createGroup(tag);
-    proto.addProtoBuf(tag, child);
-    return child;
-  }
-
-  /**
-   * Writes the ProtoBuf to the given DataOutput.  This is useful for unit
-   * tests.
-   *
-   * @param output The data output to write to.
-   * @param protoBuf The proto buffer.
-   */
-  public static void writeProtoBufToOutput(DataOutput output, ProtoBuf protoBuf)
-      throws IOException {
-    ByteArrayOutputStream baos = new ByteArrayOutputStream();
-    protoBuf.outputTo(baos);
-    byte[] bytes = baos.toByteArray();
-    output.writeInt(bytes.length);
-    output.write(bytes);
-  }
-}