blob: 48a1e901818c10be51b0cac2a3536be9627bd2b5 [file] [log] [blame]
// Copyright (c) 2021, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.utils;
import com.android.tools.r8.DiagnosticsHandler;
import com.android.tools.r8.StringConsumer;
import com.android.tools.r8.StringConsumer.ForwardingConsumer;
/* Joining String Consumer to join strings that it accepts. */
public class JoiningStringConsumer extends ForwardingConsumer {
private final String separator;
private final StringConsumer consumer;
private final StringBuilder builder = new StringBuilder();
/**
* @param consumer Consumer to forward to the joined input to. If null, nothing will be forwarded.
*/
public JoiningStringConsumer(StringConsumer consumer, String separator) {
super(consumer);
this.consumer = consumer;
this.separator = separator;
}
@Override
public void accept(String string, DiagnosticsHandler handler) {
if (builder.length() > 0) {
builder.append(separator);
}
builder.append(string);
}
@Override
public void finished(DiagnosticsHandler handler) {
super.accept(builder.toString(), handler);
super.finished(handler);
}
public StringConsumer getConsumer() {
return consumer;
}
}