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// Copyright 2016 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.testutil;
import com.google.devtools.build.lib.util.io.AnsiTerminalWriter;
import java.io.IOException;
/**
* An {@link AnsiTerminalWriter} that keeps just generates a transcript
* of the events it was exposed of.
*/
public class LoggingTerminalWriter implements AnsiTerminalWriter {
// Strings for recording the non-append calls
public static final String NEWLINE = "[NL]";
public static final String OK = "[OK]";
public static final String FAIL = "[FAIL]";
public static final String NORMAL = "[NORMAL]";
private String transcript;
private final boolean discardHighlight;
public LoggingTerminalWriter(boolean discardHighlight) {
this.transcript = "";
this.discardHighlight = discardHighlight;
}
public LoggingTerminalWriter() {
this(false);
}
@Override
public AnsiTerminalWriter append(String text) throws IOException {
transcript += text;
return this;
}
@Override
public AnsiTerminalWriter newline() throws IOException {
if (!discardHighlight) {
transcript += NEWLINE;
} else {
transcript += "\n";
}
return this;
}
@Override
public AnsiTerminalWriter okStatus() throws IOException {
if (!discardHighlight) {
transcript += OK;
}
return this;
}
@Override
public AnsiTerminalWriter failStatus() throws IOException {
if (!discardHighlight) {
transcript += FAIL;
}
return this;
}
@Override
public AnsiTerminalWriter normal() throws IOException {
if (!discardHighlight) {
transcript += NORMAL;
}
return this;
}
public String getTranscript() {
return transcript;
}
}
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