StringMarshaller.java

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package io.grpc;

import static com.google.common.base.Charsets.UTF_8;

import com.google.common.io.ByteStreams;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

/** Marshalls UTF-8 encoded strings. */
public class StringMarshaller implements MethodDescriptor.Marshaller<String> {
  public static StringMarshaller INSTANCE = new StringMarshaller();

  @Override
  public InputStream stream(String value) {
    return new ByteArrayInputStream(value.getBytes(UTF_8));
  }

  @Override
  public String parse(InputStream stream) {
    try {
      return new String(ByteStreams.toByteArray(stream), UTF_8);
    } catch (IOException ex) {
      throw new RuntimeException(ex);
    }
  }
}